### --- END CONFIGURATION SECTION ---
-BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -Iutil -I. -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
BASIC_LDFLAGS =
ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
LIB_OBJS += $(OUTPUT)util/levenshtein.o
LIB_OBJS += $(OUTPUT)util/parse-options.o
LIB_OBJS += $(OUTPUT)util/parse-events.o
-LIB_OBJS += $(OUTPUT)util/parse-events-test.o
LIB_OBJS += $(OUTPUT)util/path.o
LIB_OBJS += $(OUTPUT)util/rbtree.o
LIB_OBJS += $(OUTPUT)util/bitmap.o
LIB_OBJS += $(OUTPUT)util/dso.o
LIB_OBJS += $(OUTPUT)util/symbol.o
LIB_OBJS += $(OUTPUT)util/symbol-elf.o
-LIB_OBJS += $(OUTPUT)util/dso-test-data.o
LIB_OBJS += $(OUTPUT)util/color.o
LIB_OBJS += $(OUTPUT)util/pager.o
LIB_OBJS += $(OUTPUT)util/header.o
LIB_OBJS += $(OUTPUT)arch/common.o
+LIB_OBJS += $(OUTPUT)tests/parse-events.o
+LIB_OBJS += $(OUTPUT)tests/dso-data.o
+
BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
# Benchmark modules
BUILTIN_OBJS += $(OUTPUT)builtin-kmem.o
BUILTIN_OBJS += $(OUTPUT)builtin-lock.o
BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o
-BUILTIN_OBJS += $(OUTPUT)builtin-test.o
BUILTIN_OBJS += $(OUTPUT)builtin-inject.o
+BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o
PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT)
+++ /dev/null
-/*
- * builtin-test.c
- *
- * Builtin regression testing command: ever growing number of sanity tests
- */
-#include "builtin.h"
-
-#include "util/cache.h"
-#include "util/color.h"
-#include "util/debug.h"
-#include "util/debugfs.h"
-#include "util/evlist.h"
-#include "util/parse-options.h"
-#include "util/parse-events.h"
-#include "util/symbol.h"
-#include "util/thread_map.h"
-#include "util/pmu.h"
-#include "event-parse.h"
-#include "../../include/linux/hw_breakpoint.h"
-
-#include <sys/mman.h>
-
-static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused,
- struct symbol *sym)
-{
- bool *visited = symbol__priv(sym);
- *visited = true;
- return 0;
-}
-
-static int test__vmlinux_matches_kallsyms(void)
-{
- int err = -1;
- struct rb_node *nd;
- struct symbol *sym;
- struct map *kallsyms_map, *vmlinux_map;
- struct machine kallsyms, vmlinux;
- enum map_type type = MAP__FUNCTION;
- struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", };
-
- /*
- * Step 1:
- *
- * Init the machines that will hold kernel, modules obtained from
- * both vmlinux + .ko files and from /proc/kallsyms split by modules.
- */
- machine__init(&kallsyms, "", HOST_KERNEL_ID);
- machine__init(&vmlinux, "", HOST_KERNEL_ID);
-
- /*
- * Step 2:
- *
- * Create the kernel maps for kallsyms and the DSO where we will then
- * load /proc/kallsyms. Also create the modules maps from /proc/modules
- * and find the .ko files that match them in /lib/modules/`uname -r`/.
- */
- if (machine__create_kernel_maps(&kallsyms) < 0) {
- pr_debug("machine__create_kernel_maps ");
- return -1;
- }
-
- /*
- * Step 3:
- *
- * Load and split /proc/kallsyms into multiple maps, one per module.
- */
- if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) {
- pr_debug("dso__load_kallsyms ");
- goto out;
- }
-
- /*
- * Step 4:
- *
- * kallsyms will be internally on demand sorted by name so that we can
- * find the reference relocation * symbol, i.e. the symbol we will use
- * to see if the running kernel was relocated by checking if it has the
- * same value in the vmlinux file we load.
- */
- kallsyms_map = machine__kernel_map(&kallsyms, type);
-
- sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL);
- if (sym == NULL) {
- pr_debug("dso__find_symbol_by_name ");
- goto out;
- }
-
- ref_reloc_sym.addr = sym->start;
-
- /*
- * Step 5:
- *
- * Now repeat step 2, this time for the vmlinux file we'll auto-locate.
- */
- if (machine__create_kernel_maps(&vmlinux) < 0) {
- pr_debug("machine__create_kernel_maps ");
- goto out;
- }
-
- vmlinux_map = machine__kernel_map(&vmlinux, type);
- map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym;
-
- /*
- * Step 6:
- *
- * Locate a vmlinux file in the vmlinux path that has a buildid that
- * matches the one of the running kernel.
- *
- * While doing that look if we find the ref reloc symbol, if we find it
- * we'll have its ref_reloc_symbol.unrelocated_addr and then
- * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines
- * to fixup the symbols.
- */
- if (machine__load_vmlinux_path(&vmlinux, type,
- vmlinux_matches_kallsyms_filter) <= 0) {
- pr_debug("machine__load_vmlinux_path ");
- goto out;
- }
-
- err = 0;
- /*
- * Step 7:
- *
- * Now look at the symbols in the vmlinux DSO and check if we find all of them
- * in the kallsyms dso. For the ones that are in both, check its names and
- * end addresses too.
- */
- for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) {
- struct symbol *pair, *first_pair;
- bool backwards = true;
-
- sym = rb_entry(nd, struct symbol, rb_node);
-
- if (sym->start == sym->end)
- continue;
-
- first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL);
- pair = first_pair;
-
- if (pair && pair->start == sym->start) {
-next_pair:
- if (strcmp(sym->name, pair->name) == 0) {
- /*
- * kallsyms don't have the symbol end, so we
- * set that by using the next symbol start - 1,
- * in some cases we get this up to a page
- * wrong, trace_kmalloc when I was developing
- * this code was one such example, 2106 bytes
- * off the real size. More than that and we
- * _really_ have a problem.
- */
- s64 skew = sym->end - pair->end;
- if (llabs(skew) < page_size)
- continue;
-
- pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n",
- sym->start, sym->name, sym->end, pair->end);
- } else {
- struct rb_node *nnd;
-detour:
- nnd = backwards ? rb_prev(&pair->rb_node) :
- rb_next(&pair->rb_node);
- if (nnd) {
- struct symbol *next = rb_entry(nnd, struct symbol, rb_node);
-
- if (next->start == sym->start) {
- pair = next;
- goto next_pair;
- }
- }
-
- if (backwards) {
- backwards = false;
- pair = first_pair;
- goto detour;
- }
-
- pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n",
- sym->start, sym->name, pair->name);
- }
- } else
- pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name);
-
- err = -1;
- }
-
- if (!verbose)
- goto out;
-
- pr_info("Maps only in vmlinux:\n");
-
- for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
- struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
- /*
- * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while
- * the kernel will have the path for the vmlinux file being used,
- * so use the short name, less descriptive but the same ("[kernel]" in
- * both cases.
- */
- pair = map_groups__find_by_name(&kallsyms.kmaps, type,
- (pos->dso->kernel ?
- pos->dso->short_name :
- pos->dso->name));
- if (pair)
- pair->priv = 1;
- else
- map__fprintf(pos, stderr);
- }
-
- pr_info("Maps in vmlinux with a different name in kallsyms:\n");
-
- for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
- struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
-
- pair = map_groups__find(&kallsyms.kmaps, type, pos->start);
- if (pair == NULL || pair->priv)
- continue;
-
- if (pair->start == pos->start) {
- pair->priv = 1;
- pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",
- pos->start, pos->end, pos->pgoff, pos->dso->name);
- if (pos->pgoff != pair->pgoff || pos->end != pair->end)
- pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "",
- pair->start, pair->end, pair->pgoff);
- pr_info(" %s\n", pair->dso->name);
- pair->priv = 1;
- }
- }
-
- pr_info("Maps only in kallsyms:\n");
-
- for (nd = rb_first(&kallsyms.kmaps.maps[type]);
- nd; nd = rb_next(nd)) {
- struct map *pos = rb_entry(nd, struct map, rb_node);
-
- if (!pos->priv)
- map__fprintf(pos, stderr);
- }
-out:
- return err;
-}
-
-#include "util/cpumap.h"
-#include "util/evsel.h"
-#include <sys/types.h>
-
-static int trace_event__id(const char *evname)
-{
- char *filename;
- int err = -1, fd;
-
- if (asprintf(&filename,
- "%s/syscalls/%s/id",
- tracing_events_path, evname) < 0)
- return -1;
-
- fd = open(filename, O_RDONLY);
- if (fd >= 0) {
- char id[16];
- if (read(fd, id, sizeof(id)) > 0)
- err = atoi(id);
- close(fd);
- }
-
- free(filename);
- return err;
-}
-
-static int test__open_syscall_event(void)
-{
- int err = -1, fd;
- struct thread_map *threads;
- struct perf_evsel *evsel;
- struct perf_event_attr attr;
- unsigned int nr_open_calls = 111, i;
- int id = trace_event__id("sys_enter_open");
-
- if (id < 0) {
- pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
- return -1;
- }
-
- threads = thread_map__new(-1, getpid(), UINT_MAX);
- if (threads == NULL) {
- pr_debug("thread_map__new\n");
- return -1;
- }
-
- memset(&attr, 0, sizeof(attr));
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.config = id;
- evsel = perf_evsel__new(&attr, 0);
- if (evsel == NULL) {
- pr_debug("perf_evsel__new\n");
- goto out_thread_map_delete;
- }
-
- if (perf_evsel__open_per_thread(evsel, threads) < 0) {
- pr_debug("failed to open counter: %s, "
- "tweak /proc/sys/kernel/perf_event_paranoid?\n",
- strerror(errno));
- goto out_evsel_delete;
- }
-
- for (i = 0; i < nr_open_calls; ++i) {
- fd = open("/etc/passwd", O_RDONLY);
- close(fd);
- }
-
- if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) {
- pr_debug("perf_evsel__read_on_cpu\n");
- goto out_close_fd;
- }
-
- if (evsel->counts->cpu[0].val != nr_open_calls) {
- pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
- nr_open_calls, evsel->counts->cpu[0].val);
- goto out_close_fd;
- }
-
- err = 0;
-out_close_fd:
- perf_evsel__close_fd(evsel, 1, threads->nr);
-out_evsel_delete:
- perf_evsel__delete(evsel);
-out_thread_map_delete:
- thread_map__delete(threads);
- return err;
-}
-
-#include <sched.h>
-
-static int test__open_syscall_event_on_all_cpus(void)
-{
- int err = -1, fd, cpu;
- struct thread_map *threads;
- struct cpu_map *cpus;
- struct perf_evsel *evsel;
- struct perf_event_attr attr;
- unsigned int nr_open_calls = 111, i;
- cpu_set_t cpu_set;
- int id = trace_event__id("sys_enter_open");
-
- if (id < 0) {
- pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
- return -1;
- }
-
- threads = thread_map__new(-1, getpid(), UINT_MAX);
- if (threads == NULL) {
- pr_debug("thread_map__new\n");
- return -1;
- }
-
- cpus = cpu_map__new(NULL);
- if (cpus == NULL) {
- pr_debug("cpu_map__new\n");
- goto out_thread_map_delete;
- }
-
-
- CPU_ZERO(&cpu_set);
-
- memset(&attr, 0, sizeof(attr));
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.config = id;
- evsel = perf_evsel__new(&attr, 0);
- if (evsel == NULL) {
- pr_debug("perf_evsel__new\n");
- goto out_thread_map_delete;
- }
-
- if (perf_evsel__open(evsel, cpus, threads) < 0) {
- pr_debug("failed to open counter: %s, "
- "tweak /proc/sys/kernel/perf_event_paranoid?\n",
- strerror(errno));
- goto out_evsel_delete;
- }
-
- for (cpu = 0; cpu < cpus->nr; ++cpu) {
- unsigned int ncalls = nr_open_calls + cpu;
- /*
- * XXX eventually lift this restriction in a way that
- * keeps perf building on older glibc installations
- * without CPU_ALLOC. 1024 cpus in 2010 still seems
- * a reasonable upper limit tho :-)
- */
- if (cpus->map[cpu] >= CPU_SETSIZE) {
- pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);
- continue;
- }
-
- CPU_SET(cpus->map[cpu], &cpu_set);
- if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
- pr_debug("sched_setaffinity() failed on CPU %d: %s ",
- cpus->map[cpu],
- strerror(errno));
- goto out_close_fd;
- }
- for (i = 0; i < ncalls; ++i) {
- fd = open("/etc/passwd", O_RDONLY);
- close(fd);
- }
- CPU_CLR(cpus->map[cpu], &cpu_set);
- }
-
- /*
- * Here we need to explicitely preallocate the counts, as if
- * we use the auto allocation it will allocate just for 1 cpu,
- * as we start by cpu 0.
- */
- if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) {
- pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr);
- goto out_close_fd;
- }
-
- err = 0;
-
- for (cpu = 0; cpu < cpus->nr; ++cpu) {
- unsigned int expected;
-
- if (cpus->map[cpu] >= CPU_SETSIZE)
- continue;
-
- if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
- pr_debug("perf_evsel__read_on_cpu\n");
- err = -1;
- break;
- }
-
- expected = nr_open_calls + cpu;
- if (evsel->counts->cpu[cpu].val != expected) {
- pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
- expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
- err = -1;
- }
- }
-
-out_close_fd:
- perf_evsel__close_fd(evsel, 1, threads->nr);
-out_evsel_delete:
- perf_evsel__delete(evsel);
-out_thread_map_delete:
- thread_map__delete(threads);
- return err;
-}
-
-/*
- * This test will generate random numbers of calls to some getpid syscalls,
- * then establish an mmap for a group of events that are created to monitor
- * the syscalls.
- *
- * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated
- * sample.id field to map back to its respective perf_evsel instance.
- *
- * Then it checks if the number of syscalls reported as perf events by
- * the kernel corresponds to the number of syscalls made.
- */
-static int test__basic_mmap(void)
-{
- int err = -1;
- union perf_event *event;
- struct thread_map *threads;
- struct cpu_map *cpus;
- struct perf_evlist *evlist;
- struct perf_event_attr attr = {
- .type = PERF_TYPE_TRACEPOINT,
- .read_format = PERF_FORMAT_ID,
- .sample_type = PERF_SAMPLE_ID,
- .watermark = 0,
- };
- cpu_set_t cpu_set;
- const char *syscall_names[] = { "getsid", "getppid", "getpgrp",
- "getpgid", };
- pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp,
- (void*)getpgid };
-#define nsyscalls ARRAY_SIZE(syscall_names)
- int ids[nsyscalls];
- unsigned int nr_events[nsyscalls],
- expected_nr_events[nsyscalls], i, j;
- struct perf_evsel *evsels[nsyscalls], *evsel;
-
- for (i = 0; i < nsyscalls; ++i) {
- char name[64];
-
- snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]);
- ids[i] = trace_event__id(name);
- if (ids[i] < 0) {
- pr_debug("Is debugfs mounted on /sys/kernel/debug?\n");
- return -1;
- }
- nr_events[i] = 0;
- expected_nr_events[i] = random() % 257;
- }
-
- threads = thread_map__new(-1, getpid(), UINT_MAX);
- if (threads == NULL) {
- pr_debug("thread_map__new\n");
- return -1;
- }
-
- cpus = cpu_map__new(NULL);
- if (cpus == NULL) {
- pr_debug("cpu_map__new\n");
- goto out_free_threads;
- }
-
- CPU_ZERO(&cpu_set);
- CPU_SET(cpus->map[0], &cpu_set);
- sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
- if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
- pr_debug("sched_setaffinity() failed on CPU %d: %s ",
- cpus->map[0], strerror(errno));
- goto out_free_cpus;
- }
-
- evlist = perf_evlist__new(cpus, threads);
- if (evlist == NULL) {
- pr_debug("perf_evlist__new\n");
- goto out_free_cpus;
- }
-
- /* anonymous union fields, can't be initialized above */
- attr.wakeup_events = 1;
- attr.sample_period = 1;
-
- for (i = 0; i < nsyscalls; ++i) {
- attr.config = ids[i];
- evsels[i] = perf_evsel__new(&attr, i);
- if (evsels[i] == NULL) {
- pr_debug("perf_evsel__new\n");
- goto out_free_evlist;
- }
-
- perf_evlist__add(evlist, evsels[i]);
-
- if (perf_evsel__open(evsels[i], cpus, threads) < 0) {
- pr_debug("failed to open counter: %s, "
- "tweak /proc/sys/kernel/perf_event_paranoid?\n",
- strerror(errno));
- goto out_close_fd;
- }
- }
-
- if (perf_evlist__mmap(evlist, 128, true) < 0) {
- pr_debug("failed to mmap events: %d (%s)\n", errno,
- strerror(errno));
- goto out_close_fd;
- }
-
- for (i = 0; i < nsyscalls; ++i)
- for (j = 0; j < expected_nr_events[i]; ++j) {
- int foo = syscalls[i]();
- ++foo;
- }
-
- while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) {
- struct perf_sample sample;
-
- if (event->header.type != PERF_RECORD_SAMPLE) {
- pr_debug("unexpected %s event\n",
- perf_event__name(event->header.type));
- goto out_munmap;
- }
-
- err = perf_evlist__parse_sample(evlist, event, &sample);
- if (err) {
- pr_err("Can't parse sample, err = %d\n", err);
- goto out_munmap;
- }
-
- evsel = perf_evlist__id2evsel(evlist, sample.id);
- if (evsel == NULL) {
- pr_debug("event with id %" PRIu64
- " doesn't map to an evsel\n", sample.id);
- goto out_munmap;
- }
- nr_events[evsel->idx]++;
- }
-
- list_for_each_entry(evsel, &evlist->entries, node) {
- if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
- pr_debug("expected %d %s events, got %d\n",
- expected_nr_events[evsel->idx],
- perf_evsel__name(evsel), nr_events[evsel->idx]);
- goto out_munmap;
- }
- }
-
- err = 0;
-out_munmap:
- perf_evlist__munmap(evlist);
-out_close_fd:
- for (i = 0; i < nsyscalls; ++i)
- perf_evsel__close_fd(evsels[i], 1, threads->nr);
-out_free_evlist:
- perf_evlist__delete(evlist);
-out_free_cpus:
- cpu_map__delete(cpus);
-out_free_threads:
- thread_map__delete(threads);
- return err;
-#undef nsyscalls
-}
-
-static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t **maskp,
- size_t *sizep)
-{
- cpu_set_t *mask;
- size_t size;
- int i, cpu = -1, nrcpus = 1024;
-realloc:
- mask = CPU_ALLOC(nrcpus);
- size = CPU_ALLOC_SIZE(nrcpus);
- CPU_ZERO_S(size, mask);
-
- if (sched_getaffinity(pid, size, mask) == -1) {
- CPU_FREE(mask);
- if (errno == EINVAL && nrcpus < (1024 << 8)) {
- nrcpus = nrcpus << 2;
- goto realloc;
- }
- perror("sched_getaffinity");
- return -1;
- }
-
- for (i = 0; i < nrcpus; i++) {
- if (CPU_ISSET_S(i, size, mask)) {
- if (cpu == -1) {
- cpu = i;
- *maskp = mask;
- *sizep = size;
- } else
- CPU_CLR_S(i, size, mask);
- }
- }
-
- if (cpu == -1)
- CPU_FREE(mask);
-
- return cpu;
-}
-
-static int test__PERF_RECORD(void)
-{
- struct perf_record_opts opts = {
- .target = {
- .uid = UINT_MAX,
- .uses_mmap = true,
- },
- .no_delay = true,
- .freq = 10,
- .mmap_pages = 256,
- };
- cpu_set_t *cpu_mask = NULL;
- size_t cpu_mask_size = 0;
- struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
- struct perf_evsel *evsel;
- struct perf_sample sample;
- const char *cmd = "sleep";
- const char *argv[] = { cmd, "1", NULL, };
- char *bname;
- u64 prev_time = 0;
- bool found_cmd_mmap = false,
- found_libc_mmap = false,
- found_vdso_mmap = false,
- found_ld_mmap = false;
- int err = -1, errs = 0, i, wakeups = 0;
- u32 cpu;
- int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, };
-
- if (evlist == NULL || argv == NULL) {
- pr_debug("Not enough memory to create evlist\n");
- goto out;
- }
-
- /*
- * We need at least one evsel in the evlist, use the default
- * one: "cycles".
- */
- err = perf_evlist__add_default(evlist);
- if (err < 0) {
- pr_debug("Not enough memory to create evsel\n");
- goto out_delete_evlist;
- }
-
- /*
- * Create maps of threads and cpus to monitor. In this case
- * we start with all threads and cpus (-1, -1) but then in
- * perf_evlist__prepare_workload we'll fill in the only thread
- * we're monitoring, the one forked there.
- */
- err = perf_evlist__create_maps(evlist, &opts.target);
- if (err < 0) {
- pr_debug("Not enough memory to create thread/cpu maps\n");
- goto out_delete_evlist;
- }
-
- /*
- * Prepare the workload in argv[] to run, it'll fork it, and then wait
- * for perf_evlist__start_workload() to exec it. This is done this way
- * so that we have time to open the evlist (calling sys_perf_event_open
- * on all the fds) and then mmap them.
- */
- err = perf_evlist__prepare_workload(evlist, &opts, argv);
- if (err < 0) {
- pr_debug("Couldn't run the workload!\n");
- goto out_delete_evlist;
- }
-
- /*
- * Config the evsels, setting attr->comm on the first one, etc.
- */
- evsel = perf_evlist__first(evlist);
- evsel->attr.sample_type |= PERF_SAMPLE_CPU;
- evsel->attr.sample_type |= PERF_SAMPLE_TID;
- evsel->attr.sample_type |= PERF_SAMPLE_TIME;
- perf_evlist__config_attrs(evlist, &opts);
-
- err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask,
- &cpu_mask_size);
- if (err < 0) {
- pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno));
- goto out_delete_evlist;
- }
-
- cpu = err;
-
- /*
- * So that we can check perf_sample.cpu on all the samples.
- */
- if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, cpu_mask) < 0) {
- pr_debug("sched_setaffinity: %s\n", strerror(errno));
- goto out_free_cpu_mask;
- }
-
- /*
- * Call sys_perf_event_open on all the fds on all the evsels,
- * grouping them if asked to.
- */
- err = perf_evlist__open(evlist);
- if (err < 0) {
- pr_debug("perf_evlist__open: %s\n", strerror(errno));
- goto out_delete_evlist;
- }
-
- /*
- * mmap the first fd on a given CPU and ask for events for the other
- * fds in the same CPU to be injected in the same mmap ring buffer
- * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)).
- */
- err = perf_evlist__mmap(evlist, opts.mmap_pages, false);
- if (err < 0) {
- pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
- goto out_delete_evlist;
- }
-
- /*
- * Now that all is properly set up, enable the events, they will
- * count just on workload.pid, which will start...
- */
- perf_evlist__enable(evlist);
-
- /*
- * Now!
- */
- perf_evlist__start_workload(evlist);
-
- while (1) {
- int before = total_events;
-
- for (i = 0; i < evlist->nr_mmaps; i++) {
- union perf_event *event;
-
- while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
- const u32 type = event->header.type;
- const char *name = perf_event__name(type);
-
- ++total_events;
- if (type < PERF_RECORD_MAX)
- nr_events[type]++;
-
- err = perf_evlist__parse_sample(evlist, event, &sample);
- if (err < 0) {
- if (verbose)
- perf_event__fprintf(event, stderr);
- pr_debug("Couldn't parse sample\n");
- goto out_err;
- }
-
- if (verbose) {
- pr_info("%" PRIu64" %d ", sample.time, sample.cpu);
- perf_event__fprintf(event, stderr);
- }
-
- if (prev_time > sample.time) {
- pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n",
- name, prev_time, sample.time);
- ++errs;
- }
-
- prev_time = sample.time;
-
- if (sample.cpu != cpu) {
- pr_debug("%s with unexpected cpu, expected %d, got %d\n",
- name, cpu, sample.cpu);
- ++errs;
- }
-
- if ((pid_t)sample.pid != evlist->workload.pid) {
- pr_debug("%s with unexpected pid, expected %d, got %d\n",
- name, evlist->workload.pid, sample.pid);
- ++errs;
- }
-
- if ((pid_t)sample.tid != evlist->workload.pid) {
- pr_debug("%s with unexpected tid, expected %d, got %d\n",
- name, evlist->workload.pid, sample.tid);
- ++errs;
- }
-
- if ((type == PERF_RECORD_COMM ||
- type == PERF_RECORD_MMAP ||
- type == PERF_RECORD_FORK ||
- type == PERF_RECORD_EXIT) &&
- (pid_t)event->comm.pid != evlist->workload.pid) {
- pr_debug("%s with unexpected pid/tid\n", name);
- ++errs;
- }
-
- if ((type == PERF_RECORD_COMM ||
- type == PERF_RECORD_MMAP) &&
- event->comm.pid != event->comm.tid) {
- pr_debug("%s with different pid/tid!\n", name);
- ++errs;
- }
-
- switch (type) {
- case PERF_RECORD_COMM:
- if (strcmp(event->comm.comm, cmd)) {
- pr_debug("%s with unexpected comm!\n", name);
- ++errs;
- }
- break;
- case PERF_RECORD_EXIT:
- goto found_exit;
- case PERF_RECORD_MMAP:
- bname = strrchr(event->mmap.filename, '/');
- if (bname != NULL) {
- if (!found_cmd_mmap)
- found_cmd_mmap = !strcmp(bname + 1, cmd);
- if (!found_libc_mmap)
- found_libc_mmap = !strncmp(bname + 1, "libc", 4);
- if (!found_ld_mmap)
- found_ld_mmap = !strncmp(bname + 1, "ld", 2);
- } else if (!found_vdso_mmap)
- found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]");
- break;
-
- case PERF_RECORD_SAMPLE:
- /* Just ignore samples for now */
- break;
- default:
- pr_debug("Unexpected perf_event->header.type %d!\n",
- type);
- ++errs;
- }
- }
- }
-
- /*
- * We don't use poll here because at least at 3.1 times the
- * PERF_RECORD_{!SAMPLE} events don't honour
- * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does.
- */
- if (total_events == before && false)
- poll(evlist->pollfd, evlist->nr_fds, -1);
-
- sleep(1);
- if (++wakeups > 5) {
- pr_debug("No PERF_RECORD_EXIT event!\n");
- break;
- }
- }
-
-found_exit:
- if (nr_events[PERF_RECORD_COMM] > 1) {
- pr_debug("Excessive number of PERF_RECORD_COMM events!\n");
- ++errs;
- }
-
- if (nr_events[PERF_RECORD_COMM] == 0) {
- pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd);
- ++errs;
- }
-
- if (!found_cmd_mmap) {
- pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd);
- ++errs;
- }
-
- if (!found_libc_mmap) {
- pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc");
- ++errs;
- }
-
- if (!found_ld_mmap) {
- pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld");
- ++errs;
- }
-
- if (!found_vdso_mmap) {
- pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]");
- ++errs;
- }
-out_err:
- perf_evlist__munmap(evlist);
-out_free_cpu_mask:
- CPU_FREE(cpu_mask);
-out_delete_evlist:
- perf_evlist__delete(evlist);
-out:
- return (err < 0 || errs > 0) ? -1 : 0;
-}
-
-
-#if defined(__x86_64__) || defined(__i386__)
-
-#define barrier() asm volatile("" ::: "memory")
-
-static u64 rdpmc(unsigned int counter)
-{
- unsigned int low, high;
-
- asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter));
-
- return low | ((u64)high) << 32;
-}
-
-static u64 rdtsc(void)
-{
- unsigned int low, high;
-
- asm volatile("rdtsc" : "=a" (low), "=d" (high));
-
- return low | ((u64)high) << 32;
-}
-
-static u64 mmap_read_self(void *addr)
-{
- struct perf_event_mmap_page *pc = addr;
- u32 seq, idx, time_mult = 0, time_shift = 0;
- u64 count, cyc = 0, time_offset = 0, enabled, running, delta;
-
- do {
- seq = pc->lock;
- barrier();
-
- enabled = pc->time_enabled;
- running = pc->time_running;
-
- if (enabled != running) {
- cyc = rdtsc();
- time_mult = pc->time_mult;
- time_shift = pc->time_shift;
- time_offset = pc->time_offset;
- }
-
- idx = pc->index;
- count = pc->offset;
- if (idx)
- count += rdpmc(idx - 1);
-
- barrier();
- } while (pc->lock != seq);
-
- if (enabled != running) {
- u64 quot, rem;
-
- quot = (cyc >> time_shift);
- rem = cyc & ((1 << time_shift) - 1);
- delta = time_offset + quot * time_mult +
- ((rem * time_mult) >> time_shift);
-
- enabled += delta;
- if (idx)
- running += delta;
-
- quot = count / running;
- rem = count % running;
- count = quot * enabled + (rem * enabled) / running;
- }
-
- return count;
-}
-
-/*
- * If the RDPMC instruction faults then signal this back to the test parent task:
- */
-static void segfault_handler(int sig __maybe_unused,
- siginfo_t *info __maybe_unused,
- void *uc __maybe_unused)
-{
- exit(-1);
-}
-
-static int __test__rdpmc(void)
-{
- volatile int tmp = 0;
- u64 i, loops = 1000;
- int n;
- int fd;
- void *addr;
- struct perf_event_attr attr = {
- .type = PERF_TYPE_HARDWARE,
- .config = PERF_COUNT_HW_INSTRUCTIONS,
- .exclude_kernel = 1,
- };
- u64 delta_sum = 0;
- struct sigaction sa;
-
- sigfillset(&sa.sa_mask);
- sa.sa_sigaction = segfault_handler;
- sigaction(SIGSEGV, &sa, NULL);
-
- fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
- if (fd < 0) {
- pr_err("Error: sys_perf_event_open() syscall returned "
- "with %d (%s)\n", fd, strerror(errno));
- return -1;
- }
-
- addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
- if (addr == (void *)(-1)) {
- pr_err("Error: mmap() syscall returned with (%s)\n",
- strerror(errno));
- goto out_close;
- }
-
- for (n = 0; n < 6; n++) {
- u64 stamp, now, delta;
-
- stamp = mmap_read_self(addr);
-
- for (i = 0; i < loops; i++)
- tmp++;
-
- now = mmap_read_self(addr);
- loops *= 10;
-
- delta = now - stamp;
- pr_debug("%14d: %14Lu\n", n, (long long)delta);
-
- delta_sum += delta;
- }
-
- munmap(addr, page_size);
- pr_debug(" ");
-out_close:
- close(fd);
-
- if (!delta_sum)
- return -1;
-
- return 0;
-}
-
-static int test__rdpmc(void)
-{
- int status = 0;
- int wret = 0;
- int ret;
- int pid;
-
- pid = fork();
- if (pid < 0)
- return -1;
-
- if (!pid) {
- ret = __test__rdpmc();
-
- exit(ret);
- }
-
- wret = waitpid(pid, &status, 0);
- if (wret < 0 || status)
- return -1;
-
- return 0;
-}
-
-#endif
-
-static int test__perf_pmu(void)
-{
- return perf_pmu__test();
-}
-
-static int perf_evsel__roundtrip_cache_name_test(void)
-{
- char name[128];
- int type, op, err = 0, ret = 0, i, idx;
- struct perf_evsel *evsel;
- struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
-
- if (evlist == NULL)
- return -ENOMEM;
-
- for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
- for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
- /* skip invalid cache type */
- if (!perf_evsel__is_cache_op_valid(type, op))
- continue;
-
- for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- __perf_evsel__hw_cache_type_op_res_name(type, op, i,
- name, sizeof(name));
- err = parse_events(evlist, name, 0);
- if (err)
- ret = err;
- }
- }
- }
-
- idx = 0;
- evsel = perf_evlist__first(evlist);
-
- for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
- for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
- /* skip invalid cache type */
- if (!perf_evsel__is_cache_op_valid(type, op))
- continue;
-
- for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- __perf_evsel__hw_cache_type_op_res_name(type, op, i,
- name, sizeof(name));
- if (evsel->idx != idx)
- continue;
-
- ++idx;
-
- if (strcmp(perf_evsel__name(evsel), name)) {
- pr_debug("%s != %s\n", perf_evsel__name(evsel), name);
- ret = -1;
- }
-
- evsel = perf_evsel__next(evsel);
- }
- }
- }
-
- perf_evlist__delete(evlist);
- return ret;
-}
-
-static int __perf_evsel__name_array_test(const char *names[], int nr_names)
-{
- int i, err;
- struct perf_evsel *evsel;
- struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
-
- if (evlist == NULL)
- return -ENOMEM;
-
- for (i = 0; i < nr_names; ++i) {
- err = parse_events(evlist, names[i], 0);
- if (err) {
- pr_debug("failed to parse event '%s', err %d\n",
- names[i], err);
- goto out_delete_evlist;
- }
- }
-
- err = 0;
- list_for_each_entry(evsel, &evlist->entries, node) {
- if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) {
- --err;
- pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]);
- }
- }
-
-out_delete_evlist:
- perf_evlist__delete(evlist);
- return err;
-}
-
-#define perf_evsel__name_array_test(names) \
- __perf_evsel__name_array_test(names, ARRAY_SIZE(names))
-
-static int perf_evsel__roundtrip_name_test(void)
-{
- int err = 0, ret = 0;
-
- err = perf_evsel__name_array_test(perf_evsel__hw_names);
- if (err)
- ret = err;
-
- err = perf_evsel__name_array_test(perf_evsel__sw_names);
- if (err)
- ret = err;
-
- err = perf_evsel__roundtrip_cache_name_test();
- if (err)
- ret = err;
-
- return ret;
-}
-
-static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name,
- int size, bool should_be_signed)
-{
- struct format_field *field = perf_evsel__field(evsel, name);
- int is_signed;
- int ret = 0;
-
- if (field == NULL) {
- pr_debug("%s: \"%s\" field not found!\n", evsel->name, name);
- return -1;
- }
-
- is_signed = !!(field->flags | FIELD_IS_SIGNED);
- if (should_be_signed && !is_signed) {
- pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
- evsel->name, name, is_signed, should_be_signed);
- ret = -1;
- }
-
- if (field->size != size) {
- pr_debug("%s: \"%s\" size (%d) should be %d!\n",
- evsel->name, name, field->size, size);
- ret = -1;
- }
-
- return ret;
-}
-
-static int perf_evsel__tp_sched_test(void)
-{
- struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0);
- int ret = 0;
-
- if (evsel == NULL) {
- pr_debug("perf_evsel__new\n");
- return -1;
- }
-
- if (perf_evsel__test_field(evsel, "prev_comm", 16, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "prev_pid", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "prev_prio", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "prev_state", 8, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "next_comm", 16, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "next_pid", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "next_prio", 4, true))
- ret = -1;
-
- perf_evsel__delete(evsel);
-
- evsel = perf_evsel__newtp("sched", "sched_wakeup", 0);
-
- if (perf_evsel__test_field(evsel, "comm", 16, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "pid", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "prio", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "success", 4, true))
- ret = -1;
-
- if (perf_evsel__test_field(evsel, "target_cpu", 4, true))
- ret = -1;
-
- return ret;
-}
-
-static int test__syscall_open_tp_fields(void)
-{
- struct perf_record_opts opts = {
- .target = {
- .uid = UINT_MAX,
- .uses_mmap = true,
- },
- .no_delay = true,
- .freq = 1,
- .mmap_pages = 256,
- .raw_samples = true,
- };
- const char *filename = "/etc/passwd";
- int flags = O_RDONLY | O_DIRECTORY;
- struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
- struct perf_evsel *evsel;
- int err = -1, i, nr_events = 0, nr_polls = 0;
-
- if (evlist == NULL) {
- pr_debug("%s: perf_evlist__new\n", __func__);
- goto out;
- }
-
- evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0);
- if (evsel == NULL) {
- pr_debug("%s: perf_evsel__newtp\n", __func__);
- goto out_delete_evlist;
- }
-
- perf_evlist__add(evlist, evsel);
-
- err = perf_evlist__create_maps(evlist, &opts.target);
- if (err < 0) {
- pr_debug("%s: perf_evlist__create_maps\n", __func__);
- goto out_delete_evlist;
- }
-
- perf_evsel__config(evsel, &opts, evsel);
-
- evlist->threads->map[0] = getpid();
-
- err = perf_evlist__open(evlist);
- if (err < 0) {
- pr_debug("perf_evlist__open: %s\n", strerror(errno));
- goto out_delete_evlist;
- }
-
- err = perf_evlist__mmap(evlist, UINT_MAX, false);
- if (err < 0) {
- pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
- goto out_delete_evlist;
- }
-
- perf_evlist__enable(evlist);
-
- /*
- * Generate the event:
- */
- open(filename, flags);
-
- while (1) {
- int before = nr_events;
-
- for (i = 0; i < evlist->nr_mmaps; i++) {
- union perf_event *event;
-
- while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
- const u32 type = event->header.type;
- int tp_flags;
- struct perf_sample sample;
-
- ++nr_events;
-
- if (type != PERF_RECORD_SAMPLE)
- continue;
-
- err = perf_evsel__parse_sample(evsel, event, &sample);
- if (err) {
- pr_err("Can't parse sample, err = %d\n", err);
- goto out_munmap;
- }
-
- tp_flags = perf_evsel__intval(evsel, &sample, "flags");
-
- if (flags != tp_flags) {
- pr_debug("%s: Expected flags=%#x, got %#x\n",
- __func__, flags, tp_flags);
- goto out_munmap;
- }
-
- goto out_ok;
- }
- }
-
- if (nr_events == before)
- poll(evlist->pollfd, evlist->nr_fds, 10);
-
- if (++nr_polls > 5) {
- pr_debug("%s: no events!\n", __func__);
- goto out_munmap;
- }
- }
-out_ok:
- err = 0;
-out_munmap:
- perf_evlist__munmap(evlist);
-out_delete_evlist:
- perf_evlist__delete(evlist);
-out:
- return err;
-}
-
-static struct test {
- const char *desc;
- int (*func)(void);
-} tests[] = {
- {
- .desc = "vmlinux symtab matches kallsyms",
- .func = test__vmlinux_matches_kallsyms,
- },
- {
- .desc = "detect open syscall event",
- .func = test__open_syscall_event,
- },
- {
- .desc = "detect open syscall event on all cpus",
- .func = test__open_syscall_event_on_all_cpus,
- },
- {
- .desc = "read samples using the mmap interface",
- .func = test__basic_mmap,
- },
- {
- .desc = "parse events tests",
- .func = parse_events__test,
- },
-#if defined(__x86_64__) || defined(__i386__)
- {
- .desc = "x86 rdpmc test",
- .func = test__rdpmc,
- },
-#endif
- {
- .desc = "Validate PERF_RECORD_* events & perf_sample fields",
- .func = test__PERF_RECORD,
- },
- {
- .desc = "Test perf pmu format parsing",
- .func = test__perf_pmu,
- },
- {
- .desc = "Test dso data interface",
- .func = dso__test_data,
- },
- {
- .desc = "roundtrip evsel->name check",
- .func = perf_evsel__roundtrip_name_test,
- },
- {
- .desc = "Check parsing of sched tracepoints fields",
- .func = perf_evsel__tp_sched_test,
- },
- {
- .desc = "Generate and check syscalls:sys_enter_open event fields",
- .func = test__syscall_open_tp_fields,
- },
- {
- .func = NULL,
- },
-};
-
-static bool perf_test__matches(int curr, int argc, const char *argv[])
-{
- int i;
-
- if (argc == 0)
- return true;
-
- for (i = 0; i < argc; ++i) {
- char *end;
- long nr = strtoul(argv[i], &end, 10);
-
- if (*end == '\0') {
- if (nr == curr + 1)
- return true;
- continue;
- }
-
- if (strstr(tests[curr].desc, argv[i]))
- return true;
- }
-
- return false;
-}
-
-static int __cmd_test(int argc, const char *argv[])
-{
- int i = 0;
- int width = 0;
-
- while (tests[i].func) {
- int len = strlen(tests[i].desc);
-
- if (width < len)
- width = len;
- ++i;
- }
-
- i = 0;
- while (tests[i].func) {
- int curr = i++, err;
-
- if (!perf_test__matches(curr, argc, argv))
- continue;
-
- pr_info("%2d: %-*s:", i, width, tests[curr].desc);
- pr_debug("\n--- start ---\n");
- err = tests[curr].func();
- pr_debug("---- end ----\n%s:", tests[curr].desc);
- if (err)
- color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
- else
- pr_info(" Ok\n");
- }
-
- return 0;
-}
-
-static int perf_test__list(int argc, const char **argv)
-{
- int i = 0;
-
- while (tests[i].func) {
- int curr = i++;
-
- if (argc > 1 && !strstr(tests[curr].desc, argv[1]))
- continue;
-
- pr_info("%2d: %s\n", i, tests[curr].desc);
- }
-
- return 0;
-}
-
-int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
-{
- const char * const test_usage[] = {
- "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
- NULL,
- };
- const struct option test_options[] = {
- OPT_INCR('v', "verbose", &verbose,
- "be more verbose (show symbol address, etc)"),
- OPT_END()
- };
-
- argc = parse_options(argc, argv, test_options, test_usage, 0);
- if (argc >= 1 && !strcmp(argv[0], "list"))
- return perf_test__list(argc, argv);
-
- symbol_conf.priv_size = sizeof(int);
- symbol_conf.sort_by_name = true;
- symbol_conf.try_vmlinux_path = true;
-
- if (symbol__init() < 0)
- return -1;
-
- return __cmd_test(argc, argv);
-}
--- /dev/null
+/*
+ * builtin-test.c
+ *
+ * Builtin regression testing command: ever growing number of sanity tests
+ */
+#include "builtin.h"
+
+#include "util/cache.h"
+#include "util/color.h"
+#include "util/debug.h"
+#include "util/debugfs.h"
+#include "util/evlist.h"
+#include "util/parse-options.h"
+#include "util/parse-events.h"
+#include "util/symbol.h"
+#include "util/thread_map.h"
+#include "util/pmu.h"
+#include "event-parse.h"
+#include "../../include/linux/hw_breakpoint.h"
+
+#include <sys/mman.h>
+
+static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused,
+ struct symbol *sym)
+{
+ bool *visited = symbol__priv(sym);
+ *visited = true;
+ return 0;
+}
+
+static int test__vmlinux_matches_kallsyms(void)
+{
+ int err = -1;
+ struct rb_node *nd;
+ struct symbol *sym;
+ struct map *kallsyms_map, *vmlinux_map;
+ struct machine kallsyms, vmlinux;
+ enum map_type type = MAP__FUNCTION;
+ struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", };
+
+ /*
+ * Step 1:
+ *
+ * Init the machines that will hold kernel, modules obtained from
+ * both vmlinux + .ko files and from /proc/kallsyms split by modules.
+ */
+ machine__init(&kallsyms, "", HOST_KERNEL_ID);
+ machine__init(&vmlinux, "", HOST_KERNEL_ID);
+
+ /*
+ * Step 2:
+ *
+ * Create the kernel maps for kallsyms and the DSO where we will then
+ * load /proc/kallsyms. Also create the modules maps from /proc/modules
+ * and find the .ko files that match them in /lib/modules/`uname -r`/.
+ */
+ if (machine__create_kernel_maps(&kallsyms) < 0) {
+ pr_debug("machine__create_kernel_maps ");
+ return -1;
+ }
+
+ /*
+ * Step 3:
+ *
+ * Load and split /proc/kallsyms into multiple maps, one per module.
+ */
+ if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) {
+ pr_debug("dso__load_kallsyms ");
+ goto out;
+ }
+
+ /*
+ * Step 4:
+ *
+ * kallsyms will be internally on demand sorted by name so that we can
+ * find the reference relocation * symbol, i.e. the symbol we will use
+ * to see if the running kernel was relocated by checking if it has the
+ * same value in the vmlinux file we load.
+ */
+ kallsyms_map = machine__kernel_map(&kallsyms, type);
+
+ sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL);
+ if (sym == NULL) {
+ pr_debug("dso__find_symbol_by_name ");
+ goto out;
+ }
+
+ ref_reloc_sym.addr = sym->start;
+
+ /*
+ * Step 5:
+ *
+ * Now repeat step 2, this time for the vmlinux file we'll auto-locate.
+ */
+ if (machine__create_kernel_maps(&vmlinux) < 0) {
+ pr_debug("machine__create_kernel_maps ");
+ goto out;
+ }
+
+ vmlinux_map = machine__kernel_map(&vmlinux, type);
+ map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym;
+
+ /*
+ * Step 6:
+ *
+ * Locate a vmlinux file in the vmlinux path that has a buildid that
+ * matches the one of the running kernel.
+ *
+ * While doing that look if we find the ref reloc symbol, if we find it
+ * we'll have its ref_reloc_symbol.unrelocated_addr and then
+ * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines
+ * to fixup the symbols.
+ */
+ if (machine__load_vmlinux_path(&vmlinux, type,
+ vmlinux_matches_kallsyms_filter) <= 0) {
+ pr_debug("machine__load_vmlinux_path ");
+ goto out;
+ }
+
+ err = 0;
+ /*
+ * Step 7:
+ *
+ * Now look at the symbols in the vmlinux DSO and check if we find all of them
+ * in the kallsyms dso. For the ones that are in both, check its names and
+ * end addresses too.
+ */
+ for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) {
+ struct symbol *pair, *first_pair;
+ bool backwards = true;
+
+ sym = rb_entry(nd, struct symbol, rb_node);
+
+ if (sym->start == sym->end)
+ continue;
+
+ first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL);
+ pair = first_pair;
+
+ if (pair && pair->start == sym->start) {
+next_pair:
+ if (strcmp(sym->name, pair->name) == 0) {
+ /*
+ * kallsyms don't have the symbol end, so we
+ * set that by using the next symbol start - 1,
+ * in some cases we get this up to a page
+ * wrong, trace_kmalloc when I was developing
+ * this code was one such example, 2106 bytes
+ * off the real size. More than that and we
+ * _really_ have a problem.
+ */
+ s64 skew = sym->end - pair->end;
+ if (llabs(skew) < page_size)
+ continue;
+
+ pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n",
+ sym->start, sym->name, sym->end, pair->end);
+ } else {
+ struct rb_node *nnd;
+detour:
+ nnd = backwards ? rb_prev(&pair->rb_node) :
+ rb_next(&pair->rb_node);
+ if (nnd) {
+ struct symbol *next = rb_entry(nnd, struct symbol, rb_node);
+
+ if (next->start == sym->start) {
+ pair = next;
+ goto next_pair;
+ }
+ }
+
+ if (backwards) {
+ backwards = false;
+ pair = first_pair;
+ goto detour;
+ }
+
+ pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n",
+ sym->start, sym->name, pair->name);
+ }
+ } else
+ pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name);
+
+ err = -1;
+ }
+
+ if (!verbose)
+ goto out;
+
+ pr_info("Maps only in vmlinux:\n");
+
+ for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
+ struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
+ /*
+ * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while
+ * the kernel will have the path for the vmlinux file being used,
+ * so use the short name, less descriptive but the same ("[kernel]" in
+ * both cases.
+ */
+ pair = map_groups__find_by_name(&kallsyms.kmaps, type,
+ (pos->dso->kernel ?
+ pos->dso->short_name :
+ pos->dso->name));
+ if (pair)
+ pair->priv = 1;
+ else
+ map__fprintf(pos, stderr);
+ }
+
+ pr_info("Maps in vmlinux with a different name in kallsyms:\n");
+
+ for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
+ struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
+
+ pair = map_groups__find(&kallsyms.kmaps, type, pos->start);
+ if (pair == NULL || pair->priv)
+ continue;
+
+ if (pair->start == pos->start) {
+ pair->priv = 1;
+ pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",
+ pos->start, pos->end, pos->pgoff, pos->dso->name);
+ if (pos->pgoff != pair->pgoff || pos->end != pair->end)
+ pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "",
+ pair->start, pair->end, pair->pgoff);
+ pr_info(" %s\n", pair->dso->name);
+ pair->priv = 1;
+ }
+ }
+
+ pr_info("Maps only in kallsyms:\n");
+
+ for (nd = rb_first(&kallsyms.kmaps.maps[type]);
+ nd; nd = rb_next(nd)) {
+ struct map *pos = rb_entry(nd, struct map, rb_node);
+
+ if (!pos->priv)
+ map__fprintf(pos, stderr);
+ }
+out:
+ return err;
+}
+
+#include "util/cpumap.h"
+#include "util/evsel.h"
+#include <sys/types.h>
+
+static int trace_event__id(const char *evname)
+{
+ char *filename;
+ int err = -1, fd;
+
+ if (asprintf(&filename,
+ "%s/syscalls/%s/id",
+ tracing_events_path, evname) < 0)
+ return -1;
+
+ fd = open(filename, O_RDONLY);
+ if (fd >= 0) {
+ char id[16];
+ if (read(fd, id, sizeof(id)) > 0)
+ err = atoi(id);
+ close(fd);
+ }
+
+ free(filename);
+ return err;
+}
+
+static int test__open_syscall_event(void)
+{
+ int err = -1, fd;
+ struct thread_map *threads;
+ struct perf_evsel *evsel;
+ struct perf_event_attr attr;
+ unsigned int nr_open_calls = 111, i;
+ int id = trace_event__id("sys_enter_open");
+
+ if (id < 0) {
+ pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
+ return -1;
+ }
+
+ threads = thread_map__new(-1, getpid(), UINT_MAX);
+ if (threads == NULL) {
+ pr_debug("thread_map__new\n");
+ return -1;
+ }
+
+ memset(&attr, 0, sizeof(attr));
+ attr.type = PERF_TYPE_TRACEPOINT;
+ attr.config = id;
+ evsel = perf_evsel__new(&attr, 0);
+ if (evsel == NULL) {
+ pr_debug("perf_evsel__new\n");
+ goto out_thread_map_delete;
+ }
+
+ if (perf_evsel__open_per_thread(evsel, threads) < 0) {
+ pr_debug("failed to open counter: %s, "
+ "tweak /proc/sys/kernel/perf_event_paranoid?\n",
+ strerror(errno));
+ goto out_evsel_delete;
+ }
+
+ for (i = 0; i < nr_open_calls; ++i) {
+ fd = open("/etc/passwd", O_RDONLY);
+ close(fd);
+ }
+
+ if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) {
+ pr_debug("perf_evsel__read_on_cpu\n");
+ goto out_close_fd;
+ }
+
+ if (evsel->counts->cpu[0].val != nr_open_calls) {
+ pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
+ nr_open_calls, evsel->counts->cpu[0].val);
+ goto out_close_fd;
+ }
+
+ err = 0;
+out_close_fd:
+ perf_evsel__close_fd(evsel, 1, threads->nr);
+out_evsel_delete:
+ perf_evsel__delete(evsel);
+out_thread_map_delete:
+ thread_map__delete(threads);
+ return err;
+}
+
+#include <sched.h>
+
+static int test__open_syscall_event_on_all_cpus(void)
+{
+ int err = -1, fd, cpu;
+ struct thread_map *threads;
+ struct cpu_map *cpus;
+ struct perf_evsel *evsel;
+ struct perf_event_attr attr;
+ unsigned int nr_open_calls = 111, i;
+ cpu_set_t cpu_set;
+ int id = trace_event__id("sys_enter_open");
+
+ if (id < 0) {
+ pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
+ return -1;
+ }
+
+ threads = thread_map__new(-1, getpid(), UINT_MAX);
+ if (threads == NULL) {
+ pr_debug("thread_map__new\n");
+ return -1;
+ }
+
+ cpus = cpu_map__new(NULL);
+ if (cpus == NULL) {
+ pr_debug("cpu_map__new\n");
+ goto out_thread_map_delete;
+ }
+
+
+ CPU_ZERO(&cpu_set);
+
+ memset(&attr, 0, sizeof(attr));
+ attr.type = PERF_TYPE_TRACEPOINT;
+ attr.config = id;
+ evsel = perf_evsel__new(&attr, 0);
+ if (evsel == NULL) {
+ pr_debug("perf_evsel__new\n");
+ goto out_thread_map_delete;
+ }
+
+ if (perf_evsel__open(evsel, cpus, threads) < 0) {
+ pr_debug("failed to open counter: %s, "
+ "tweak /proc/sys/kernel/perf_event_paranoid?\n",
+ strerror(errno));
+ goto out_evsel_delete;
+ }
+
+ for (cpu = 0; cpu < cpus->nr; ++cpu) {
+ unsigned int ncalls = nr_open_calls + cpu;
+ /*
+ * XXX eventually lift this restriction in a way that
+ * keeps perf building on older glibc installations
+ * without CPU_ALLOC. 1024 cpus in 2010 still seems
+ * a reasonable upper limit tho :-)
+ */
+ if (cpus->map[cpu] >= CPU_SETSIZE) {
+ pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);
+ continue;
+ }
+
+ CPU_SET(cpus->map[cpu], &cpu_set);
+ if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
+ pr_debug("sched_setaffinity() failed on CPU %d: %s ",
+ cpus->map[cpu],
+ strerror(errno));
+ goto out_close_fd;
+ }
+ for (i = 0; i < ncalls; ++i) {
+ fd = open("/etc/passwd", O_RDONLY);
+ close(fd);
+ }
+ CPU_CLR(cpus->map[cpu], &cpu_set);
+ }
+
+ /*
+ * Here we need to explicitely preallocate the counts, as if
+ * we use the auto allocation it will allocate just for 1 cpu,
+ * as we start by cpu 0.
+ */
+ if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) {
+ pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr);
+ goto out_close_fd;
+ }
+
+ err = 0;
+
+ for (cpu = 0; cpu < cpus->nr; ++cpu) {
+ unsigned int expected;
+
+ if (cpus->map[cpu] >= CPU_SETSIZE)
+ continue;
+
+ if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
+ pr_debug("perf_evsel__read_on_cpu\n");
+ err = -1;
+ break;
+ }
+
+ expected = nr_open_calls + cpu;
+ if (evsel->counts->cpu[cpu].val != expected) {
+ pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
+ expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
+ err = -1;
+ }
+ }
+
+out_close_fd:
+ perf_evsel__close_fd(evsel, 1, threads->nr);
+out_evsel_delete:
+ perf_evsel__delete(evsel);
+out_thread_map_delete:
+ thread_map__delete(threads);
+ return err;
+}
+
+/*
+ * This test will generate random numbers of calls to some getpid syscalls,
+ * then establish an mmap for a group of events that are created to monitor
+ * the syscalls.
+ *
+ * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated
+ * sample.id field to map back to its respective perf_evsel instance.
+ *
+ * Then it checks if the number of syscalls reported as perf events by
+ * the kernel corresponds to the number of syscalls made.
+ */
+static int test__basic_mmap(void)
+{
+ int err = -1;
+ union perf_event *event;
+ struct thread_map *threads;
+ struct cpu_map *cpus;
+ struct perf_evlist *evlist;
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_TRACEPOINT,
+ .read_format = PERF_FORMAT_ID,
+ .sample_type = PERF_SAMPLE_ID,
+ .watermark = 0,
+ };
+ cpu_set_t cpu_set;
+ const char *syscall_names[] = { "getsid", "getppid", "getpgrp",
+ "getpgid", };
+ pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp,
+ (void*)getpgid };
+#define nsyscalls ARRAY_SIZE(syscall_names)
+ int ids[nsyscalls];
+ unsigned int nr_events[nsyscalls],
+ expected_nr_events[nsyscalls], i, j;
+ struct perf_evsel *evsels[nsyscalls], *evsel;
+
+ for (i = 0; i < nsyscalls; ++i) {
+ char name[64];
+
+ snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]);
+ ids[i] = trace_event__id(name);
+ if (ids[i] < 0) {
+ pr_debug("Is debugfs mounted on /sys/kernel/debug?\n");
+ return -1;
+ }
+ nr_events[i] = 0;
+ expected_nr_events[i] = random() % 257;
+ }
+
+ threads = thread_map__new(-1, getpid(), UINT_MAX);
+ if (threads == NULL) {
+ pr_debug("thread_map__new\n");
+ return -1;
+ }
+
+ cpus = cpu_map__new(NULL);
+ if (cpus == NULL) {
+ pr_debug("cpu_map__new\n");
+ goto out_free_threads;
+ }
+
+ CPU_ZERO(&cpu_set);
+ CPU_SET(cpus->map[0], &cpu_set);
+ sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
+ if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
+ pr_debug("sched_setaffinity() failed on CPU %d: %s ",
+ cpus->map[0], strerror(errno));
+ goto out_free_cpus;
+ }
+
+ evlist = perf_evlist__new(cpus, threads);
+ if (evlist == NULL) {
+ pr_debug("perf_evlist__new\n");
+ goto out_free_cpus;
+ }
+
+ /* anonymous union fields, can't be initialized above */
+ attr.wakeup_events = 1;
+ attr.sample_period = 1;
+
+ for (i = 0; i < nsyscalls; ++i) {
+ attr.config = ids[i];
+ evsels[i] = perf_evsel__new(&attr, i);
+ if (evsels[i] == NULL) {
+ pr_debug("perf_evsel__new\n");
+ goto out_free_evlist;
+ }
+
+ perf_evlist__add(evlist, evsels[i]);
+
+ if (perf_evsel__open(evsels[i], cpus, threads) < 0) {
+ pr_debug("failed to open counter: %s, "
+ "tweak /proc/sys/kernel/perf_event_paranoid?\n",
+ strerror(errno));
+ goto out_close_fd;
+ }
+ }
+
+ if (perf_evlist__mmap(evlist, 128, true) < 0) {
+ pr_debug("failed to mmap events: %d (%s)\n", errno,
+ strerror(errno));
+ goto out_close_fd;
+ }
+
+ for (i = 0; i < nsyscalls; ++i)
+ for (j = 0; j < expected_nr_events[i]; ++j) {
+ int foo = syscalls[i]();
+ ++foo;
+ }
+
+ while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) {
+ struct perf_sample sample;
+
+ if (event->header.type != PERF_RECORD_SAMPLE) {
+ pr_debug("unexpected %s event\n",
+ perf_event__name(event->header.type));
+ goto out_munmap;
+ }
+
+ err = perf_evlist__parse_sample(evlist, event, &sample);
+ if (err) {
+ pr_err("Can't parse sample, err = %d\n", err);
+ goto out_munmap;
+ }
+
+ evsel = perf_evlist__id2evsel(evlist, sample.id);
+ if (evsel == NULL) {
+ pr_debug("event with id %" PRIu64
+ " doesn't map to an evsel\n", sample.id);
+ goto out_munmap;
+ }
+ nr_events[evsel->idx]++;
+ }
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
+ pr_debug("expected %d %s events, got %d\n",
+ expected_nr_events[evsel->idx],
+ perf_evsel__name(evsel), nr_events[evsel->idx]);
+ goto out_munmap;
+ }
+ }
+
+ err = 0;
+out_munmap:
+ perf_evlist__munmap(evlist);
+out_close_fd:
+ for (i = 0; i < nsyscalls; ++i)
+ perf_evsel__close_fd(evsels[i], 1, threads->nr);
+out_free_evlist:
+ perf_evlist__delete(evlist);
+out_free_cpus:
+ cpu_map__delete(cpus);
+out_free_threads:
+ thread_map__delete(threads);
+ return err;
+#undef nsyscalls
+}
+
+static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t **maskp,
+ size_t *sizep)
+{
+ cpu_set_t *mask;
+ size_t size;
+ int i, cpu = -1, nrcpus = 1024;
+realloc:
+ mask = CPU_ALLOC(nrcpus);
+ size = CPU_ALLOC_SIZE(nrcpus);
+ CPU_ZERO_S(size, mask);
+
+ if (sched_getaffinity(pid, size, mask) == -1) {
+ CPU_FREE(mask);
+ if (errno == EINVAL && nrcpus < (1024 << 8)) {
+ nrcpus = nrcpus << 2;
+ goto realloc;
+ }
+ perror("sched_getaffinity");
+ return -1;
+ }
+
+ for (i = 0; i < nrcpus; i++) {
+ if (CPU_ISSET_S(i, size, mask)) {
+ if (cpu == -1) {
+ cpu = i;
+ *maskp = mask;
+ *sizep = size;
+ } else
+ CPU_CLR_S(i, size, mask);
+ }
+ }
+
+ if (cpu == -1)
+ CPU_FREE(mask);
+
+ return cpu;
+}
+
+static int test__PERF_RECORD(void)
+{
+ struct perf_record_opts opts = {
+ .target = {
+ .uid = UINT_MAX,
+ .uses_mmap = true,
+ },
+ .no_delay = true,
+ .freq = 10,
+ .mmap_pages = 256,
+ };
+ cpu_set_t *cpu_mask = NULL;
+ size_t cpu_mask_size = 0;
+ struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+ struct perf_evsel *evsel;
+ struct perf_sample sample;
+ const char *cmd = "sleep";
+ const char *argv[] = { cmd, "1", NULL, };
+ char *bname;
+ u64 prev_time = 0;
+ bool found_cmd_mmap = false,
+ found_libc_mmap = false,
+ found_vdso_mmap = false,
+ found_ld_mmap = false;
+ int err = -1, errs = 0, i, wakeups = 0;
+ u32 cpu;
+ int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, };
+
+ if (evlist == NULL || argv == NULL) {
+ pr_debug("Not enough memory to create evlist\n");
+ goto out;
+ }
+
+ /*
+ * We need at least one evsel in the evlist, use the default
+ * one: "cycles".
+ */
+ err = perf_evlist__add_default(evlist);
+ if (err < 0) {
+ pr_debug("Not enough memory to create evsel\n");
+ goto out_delete_evlist;
+ }
+
+ /*
+ * Create maps of threads and cpus to monitor. In this case
+ * we start with all threads and cpus (-1, -1) but then in
+ * perf_evlist__prepare_workload we'll fill in the only thread
+ * we're monitoring, the one forked there.
+ */
+ err = perf_evlist__create_maps(evlist, &opts.target);
+ if (err < 0) {
+ pr_debug("Not enough memory to create thread/cpu maps\n");
+ goto out_delete_evlist;
+ }
+
+ /*
+ * Prepare the workload in argv[] to run, it'll fork it, and then wait
+ * for perf_evlist__start_workload() to exec it. This is done this way
+ * so that we have time to open the evlist (calling sys_perf_event_open
+ * on all the fds) and then mmap them.
+ */
+ err = perf_evlist__prepare_workload(evlist, &opts, argv);
+ if (err < 0) {
+ pr_debug("Couldn't run the workload!\n");
+ goto out_delete_evlist;
+ }
+
+ /*
+ * Config the evsels, setting attr->comm on the first one, etc.
+ */
+ evsel = perf_evlist__first(evlist);
+ evsel->attr.sample_type |= PERF_SAMPLE_CPU;
+ evsel->attr.sample_type |= PERF_SAMPLE_TID;
+ evsel->attr.sample_type |= PERF_SAMPLE_TIME;
+ perf_evlist__config_attrs(evlist, &opts);
+
+ err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask,
+ &cpu_mask_size);
+ if (err < 0) {
+ pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno));
+ goto out_delete_evlist;
+ }
+
+ cpu = err;
+
+ /*
+ * So that we can check perf_sample.cpu on all the samples.
+ */
+ if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, cpu_mask) < 0) {
+ pr_debug("sched_setaffinity: %s\n", strerror(errno));
+ goto out_free_cpu_mask;
+ }
+
+ /*
+ * Call sys_perf_event_open on all the fds on all the evsels,
+ * grouping them if asked to.
+ */
+ err = perf_evlist__open(evlist);
+ if (err < 0) {
+ pr_debug("perf_evlist__open: %s\n", strerror(errno));
+ goto out_delete_evlist;
+ }
+
+ /*
+ * mmap the first fd on a given CPU and ask for events for the other
+ * fds in the same CPU to be injected in the same mmap ring buffer
+ * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)).
+ */
+ err = perf_evlist__mmap(evlist, opts.mmap_pages, false);
+ if (err < 0) {
+ pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
+ goto out_delete_evlist;
+ }
+
+ /*
+ * Now that all is properly set up, enable the events, they will
+ * count just on workload.pid, which will start...
+ */
+ perf_evlist__enable(evlist);
+
+ /*
+ * Now!
+ */
+ perf_evlist__start_workload(evlist);
+
+ while (1) {
+ int before = total_events;
+
+ for (i = 0; i < evlist->nr_mmaps; i++) {
+ union perf_event *event;
+
+ while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
+ const u32 type = event->header.type;
+ const char *name = perf_event__name(type);
+
+ ++total_events;
+ if (type < PERF_RECORD_MAX)
+ nr_events[type]++;
+
+ err = perf_evlist__parse_sample(evlist, event, &sample);
+ if (err < 0) {
+ if (verbose)
+ perf_event__fprintf(event, stderr);
+ pr_debug("Couldn't parse sample\n");
+ goto out_err;
+ }
+
+ if (verbose) {
+ pr_info("%" PRIu64" %d ", sample.time, sample.cpu);
+ perf_event__fprintf(event, stderr);
+ }
+
+ if (prev_time > sample.time) {
+ pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n",
+ name, prev_time, sample.time);
+ ++errs;
+ }
+
+ prev_time = sample.time;
+
+ if (sample.cpu != cpu) {
+ pr_debug("%s with unexpected cpu, expected %d, got %d\n",
+ name, cpu, sample.cpu);
+ ++errs;
+ }
+
+ if ((pid_t)sample.pid != evlist->workload.pid) {
+ pr_debug("%s with unexpected pid, expected %d, got %d\n",
+ name, evlist->workload.pid, sample.pid);
+ ++errs;
+ }
+
+ if ((pid_t)sample.tid != evlist->workload.pid) {
+ pr_debug("%s with unexpected tid, expected %d, got %d\n",
+ name, evlist->workload.pid, sample.tid);
+ ++errs;
+ }
+
+ if ((type == PERF_RECORD_COMM ||
+ type == PERF_RECORD_MMAP ||
+ type == PERF_RECORD_FORK ||
+ type == PERF_RECORD_EXIT) &&
+ (pid_t)event->comm.pid != evlist->workload.pid) {
+ pr_debug("%s with unexpected pid/tid\n", name);
+ ++errs;
+ }
+
+ if ((type == PERF_RECORD_COMM ||
+ type == PERF_RECORD_MMAP) &&
+ event->comm.pid != event->comm.tid) {
+ pr_debug("%s with different pid/tid!\n", name);
+ ++errs;
+ }
+
+ switch (type) {
+ case PERF_RECORD_COMM:
+ if (strcmp(event->comm.comm, cmd)) {
+ pr_debug("%s with unexpected comm!\n", name);
+ ++errs;
+ }
+ break;
+ case PERF_RECORD_EXIT:
+ goto found_exit;
+ case PERF_RECORD_MMAP:
+ bname = strrchr(event->mmap.filename, '/');
+ if (bname != NULL) {
+ if (!found_cmd_mmap)
+ found_cmd_mmap = !strcmp(bname + 1, cmd);
+ if (!found_libc_mmap)
+ found_libc_mmap = !strncmp(bname + 1, "libc", 4);
+ if (!found_ld_mmap)
+ found_ld_mmap = !strncmp(bname + 1, "ld", 2);
+ } else if (!found_vdso_mmap)
+ found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]");
+ break;
+
+ case PERF_RECORD_SAMPLE:
+ /* Just ignore samples for now */
+ break;
+ default:
+ pr_debug("Unexpected perf_event->header.type %d!\n",
+ type);
+ ++errs;
+ }
+ }
+ }
+
+ /*
+ * We don't use poll here because at least at 3.1 times the
+ * PERF_RECORD_{!SAMPLE} events don't honour
+ * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does.
+ */
+ if (total_events == before && false)
+ poll(evlist->pollfd, evlist->nr_fds, -1);
+
+ sleep(1);
+ if (++wakeups > 5) {
+ pr_debug("No PERF_RECORD_EXIT event!\n");
+ break;
+ }
+ }
+
+found_exit:
+ if (nr_events[PERF_RECORD_COMM] > 1) {
+ pr_debug("Excessive number of PERF_RECORD_COMM events!\n");
+ ++errs;
+ }
+
+ if (nr_events[PERF_RECORD_COMM] == 0) {
+ pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd);
+ ++errs;
+ }
+
+ if (!found_cmd_mmap) {
+ pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd);
+ ++errs;
+ }
+
+ if (!found_libc_mmap) {
+ pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc");
+ ++errs;
+ }
+
+ if (!found_ld_mmap) {
+ pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld");
+ ++errs;
+ }
+
+ if (!found_vdso_mmap) {
+ pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]");
+ ++errs;
+ }
+out_err:
+ perf_evlist__munmap(evlist);
+out_free_cpu_mask:
+ CPU_FREE(cpu_mask);
+out_delete_evlist:
+ perf_evlist__delete(evlist);
+out:
+ return (err < 0 || errs > 0) ? -1 : 0;
+}
+
+
+#if defined(__x86_64__) || defined(__i386__)
+
+#define barrier() asm volatile("" ::: "memory")
+
+static u64 rdpmc(unsigned int counter)
+{
+ unsigned int low, high;
+
+ asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter));
+
+ return low | ((u64)high) << 32;
+}
+
+static u64 rdtsc(void)
+{
+ unsigned int low, high;
+
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+
+ return low | ((u64)high) << 32;
+}
+
+static u64 mmap_read_self(void *addr)
+{
+ struct perf_event_mmap_page *pc = addr;
+ u32 seq, idx, time_mult = 0, time_shift = 0;
+ u64 count, cyc = 0, time_offset = 0, enabled, running, delta;
+
+ do {
+ seq = pc->lock;
+ barrier();
+
+ enabled = pc->time_enabled;
+ running = pc->time_running;
+
+ if (enabled != running) {
+ cyc = rdtsc();
+ time_mult = pc->time_mult;
+ time_shift = pc->time_shift;
+ time_offset = pc->time_offset;
+ }
+
+ idx = pc->index;
+ count = pc->offset;
+ if (idx)
+ count += rdpmc(idx - 1);
+
+ barrier();
+ } while (pc->lock != seq);
+
+ if (enabled != running) {
+ u64 quot, rem;
+
+ quot = (cyc >> time_shift);
+ rem = cyc & ((1 << time_shift) - 1);
+ delta = time_offset + quot * time_mult +
+ ((rem * time_mult) >> time_shift);
+
+ enabled += delta;
+ if (idx)
+ running += delta;
+
+ quot = count / running;
+ rem = count % running;
+ count = quot * enabled + (rem * enabled) / running;
+ }
+
+ return count;
+}
+
+/*
+ * If the RDPMC instruction faults then signal this back to the test parent task:
+ */
+static void segfault_handler(int sig __maybe_unused,
+ siginfo_t *info __maybe_unused,
+ void *uc __maybe_unused)
+{
+ exit(-1);
+}
+
+static int __test__rdpmc(void)
+{
+ volatile int tmp = 0;
+ u64 i, loops = 1000;
+ int n;
+ int fd;
+ void *addr;
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_INSTRUCTIONS,
+ .exclude_kernel = 1,
+ };
+ u64 delta_sum = 0;
+ struct sigaction sa;
+
+ sigfillset(&sa.sa_mask);
+ sa.sa_sigaction = segfault_handler;
+ sigaction(SIGSEGV, &sa, NULL);
+
+ fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
+ if (fd < 0) {
+ pr_err("Error: sys_perf_event_open() syscall returned "
+ "with %d (%s)\n", fd, strerror(errno));
+ return -1;
+ }
+
+ addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (addr == (void *)(-1)) {
+ pr_err("Error: mmap() syscall returned with (%s)\n",
+ strerror(errno));
+ goto out_close;
+ }
+
+ for (n = 0; n < 6; n++) {
+ u64 stamp, now, delta;
+
+ stamp = mmap_read_self(addr);
+
+ for (i = 0; i < loops; i++)
+ tmp++;
+
+ now = mmap_read_self(addr);
+ loops *= 10;
+
+ delta = now - stamp;
+ pr_debug("%14d: %14Lu\n", n, (long long)delta);
+
+ delta_sum += delta;
+ }
+
+ munmap(addr, page_size);
+ pr_debug(" ");
+out_close:
+ close(fd);
+
+ if (!delta_sum)
+ return -1;
+
+ return 0;
+}
+
+static int test__rdpmc(void)
+{
+ int status = 0;
+ int wret = 0;
+ int ret;
+ int pid;
+
+ pid = fork();
+ if (pid < 0)
+ return -1;
+
+ if (!pid) {
+ ret = __test__rdpmc();
+
+ exit(ret);
+ }
+
+ wret = waitpid(pid, &status, 0);
+ if (wret < 0 || status)
+ return -1;
+
+ return 0;
+}
+
+#endif
+
+static int test__perf_pmu(void)
+{
+ return perf_pmu__test();
+}
+
+static int perf_evsel__roundtrip_cache_name_test(void)
+{
+ char name[128];
+ int type, op, err = 0, ret = 0, i, idx;
+ struct perf_evsel *evsel;
+ struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+
+ if (evlist == NULL)
+ return -ENOMEM;
+
+ for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!perf_evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+ __perf_evsel__hw_cache_type_op_res_name(type, op, i,
+ name, sizeof(name));
+ err = parse_events(evlist, name, 0);
+ if (err)
+ ret = err;
+ }
+ }
+ }
+
+ idx = 0;
+ evsel = perf_evlist__first(evlist);
+
+ for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!perf_evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+ __perf_evsel__hw_cache_type_op_res_name(type, op, i,
+ name, sizeof(name));
+ if (evsel->idx != idx)
+ continue;
+
+ ++idx;
+
+ if (strcmp(perf_evsel__name(evsel), name)) {
+ pr_debug("%s != %s\n", perf_evsel__name(evsel), name);
+ ret = -1;
+ }
+
+ evsel = perf_evsel__next(evsel);
+ }
+ }
+ }
+
+ perf_evlist__delete(evlist);
+ return ret;
+}
+
+static int __perf_evsel__name_array_test(const char *names[], int nr_names)
+{
+ int i, err;
+ struct perf_evsel *evsel;
+ struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+
+ if (evlist == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < nr_names; ++i) {
+ err = parse_events(evlist, names[i], 0);
+ if (err) {
+ pr_debug("failed to parse event '%s', err %d\n",
+ names[i], err);
+ goto out_delete_evlist;
+ }
+ }
+
+ err = 0;
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) {
+ --err;
+ pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]);
+ }
+ }
+
+out_delete_evlist:
+ perf_evlist__delete(evlist);
+ return err;
+}
+
+#define perf_evsel__name_array_test(names) \
+ __perf_evsel__name_array_test(names, ARRAY_SIZE(names))
+
+static int perf_evsel__roundtrip_name_test(void)
+{
+ int err = 0, ret = 0;
+
+ err = perf_evsel__name_array_test(perf_evsel__hw_names);
+ if (err)
+ ret = err;
+
+ err = perf_evsel__name_array_test(perf_evsel__sw_names);
+ if (err)
+ ret = err;
+
+ err = perf_evsel__roundtrip_cache_name_test();
+ if (err)
+ ret = err;
+
+ return ret;
+}
+
+static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name,
+ int size, bool should_be_signed)
+{
+ struct format_field *field = perf_evsel__field(evsel, name);
+ int is_signed;
+ int ret = 0;
+
+ if (field == NULL) {
+ pr_debug("%s: \"%s\" field not found!\n", evsel->name, name);
+ return -1;
+ }
+
+ is_signed = !!(field->flags | FIELD_IS_SIGNED);
+ if (should_be_signed && !is_signed) {
+ pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
+ evsel->name, name, is_signed, should_be_signed);
+ ret = -1;
+ }
+
+ if (field->size != size) {
+ pr_debug("%s: \"%s\" size (%d) should be %d!\n",
+ evsel->name, name, field->size, size);
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static int perf_evsel__tp_sched_test(void)
+{
+ struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0);
+ int ret = 0;
+
+ if (evsel == NULL) {
+ pr_debug("perf_evsel__new\n");
+ return -1;
+ }
+
+ if (perf_evsel__test_field(evsel, "prev_comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_prio", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_state", 8, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_prio", 4, true))
+ ret = -1;
+
+ perf_evsel__delete(evsel);
+
+ evsel = perf_evsel__newtp("sched", "sched_wakeup", 0);
+
+ if (perf_evsel__test_field(evsel, "comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prio", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "success", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "target_cpu", 4, true))
+ ret = -1;
+
+ return ret;
+}
+
+static int test__syscall_open_tp_fields(void)
+{
+ struct perf_record_opts opts = {
+ .target = {
+ .uid = UINT_MAX,
+ .uses_mmap = true,
+ },
+ .no_delay = true,
+ .freq = 1,
+ .mmap_pages = 256,
+ .raw_samples = true,
+ };
+ const char *filename = "/etc/passwd";
+ int flags = O_RDONLY | O_DIRECTORY;
+ struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+ struct perf_evsel *evsel;
+ int err = -1, i, nr_events = 0, nr_polls = 0;
+
+ if (evlist == NULL) {
+ pr_debug("%s: perf_evlist__new\n", __func__);
+ goto out;
+ }
+
+ evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0);
+ if (evsel == NULL) {
+ pr_debug("%s: perf_evsel__newtp\n", __func__);
+ goto out_delete_evlist;
+ }
+
+ perf_evlist__add(evlist, evsel);
+
+ err = perf_evlist__create_maps(evlist, &opts.target);
+ if (err < 0) {
+ pr_debug("%s: perf_evlist__create_maps\n", __func__);
+ goto out_delete_evlist;
+ }
+
+ perf_evsel__config(evsel, &opts, evsel);
+
+ evlist->threads->map[0] = getpid();
+
+ err = perf_evlist__open(evlist);
+ if (err < 0) {
+ pr_debug("perf_evlist__open: %s\n", strerror(errno));
+ goto out_delete_evlist;
+ }
+
+ err = perf_evlist__mmap(evlist, UINT_MAX, false);
+ if (err < 0) {
+ pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
+ goto out_delete_evlist;
+ }
+
+ perf_evlist__enable(evlist);
+
+ /*
+ * Generate the event:
+ */
+ open(filename, flags);
+
+ while (1) {
+ int before = nr_events;
+
+ for (i = 0; i < evlist->nr_mmaps; i++) {
+ union perf_event *event;
+
+ while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
+ const u32 type = event->header.type;
+ int tp_flags;
+ struct perf_sample sample;
+
+ ++nr_events;
+
+ if (type != PERF_RECORD_SAMPLE)
+ continue;
+
+ err = perf_evsel__parse_sample(evsel, event, &sample);
+ if (err) {
+ pr_err("Can't parse sample, err = %d\n", err);
+ goto out_munmap;
+ }
+
+ tp_flags = perf_evsel__intval(evsel, &sample, "flags");
+
+ if (flags != tp_flags) {
+ pr_debug("%s: Expected flags=%#x, got %#x\n",
+ __func__, flags, tp_flags);
+ goto out_munmap;
+ }
+
+ goto out_ok;
+ }
+ }
+
+ if (nr_events == before)
+ poll(evlist->pollfd, evlist->nr_fds, 10);
+
+ if (++nr_polls > 5) {
+ pr_debug("%s: no events!\n", __func__);
+ goto out_munmap;
+ }
+ }
+out_ok:
+ err = 0;
+out_munmap:
+ perf_evlist__munmap(evlist);
+out_delete_evlist:
+ perf_evlist__delete(evlist);
+out:
+ return err;
+}
+
+static struct test {
+ const char *desc;
+ int (*func)(void);
+} tests[] = {
+ {
+ .desc = "vmlinux symtab matches kallsyms",
+ .func = test__vmlinux_matches_kallsyms,
+ },
+ {
+ .desc = "detect open syscall event",
+ .func = test__open_syscall_event,
+ },
+ {
+ .desc = "detect open syscall event on all cpus",
+ .func = test__open_syscall_event_on_all_cpus,
+ },
+ {
+ .desc = "read samples using the mmap interface",
+ .func = test__basic_mmap,
+ },
+ {
+ .desc = "parse events tests",
+ .func = parse_events__test,
+ },
+#if defined(__x86_64__) || defined(__i386__)
+ {
+ .desc = "x86 rdpmc test",
+ .func = test__rdpmc,
+ },
+#endif
+ {
+ .desc = "Validate PERF_RECORD_* events & perf_sample fields",
+ .func = test__PERF_RECORD,
+ },
+ {
+ .desc = "Test perf pmu format parsing",
+ .func = test__perf_pmu,
+ },
+ {
+ .desc = "Test dso data interface",
+ .func = dso__test_data,
+ },
+ {
+ .desc = "roundtrip evsel->name check",
+ .func = perf_evsel__roundtrip_name_test,
+ },
+ {
+ .desc = "Check parsing of sched tracepoints fields",
+ .func = perf_evsel__tp_sched_test,
+ },
+ {
+ .desc = "Generate and check syscalls:sys_enter_open event fields",
+ .func = test__syscall_open_tp_fields,
+ },
+ {
+ .func = NULL,
+ },
+};
+
+static bool perf_test__matches(int curr, int argc, const char *argv[])
+{
+ int i;
+
+ if (argc == 0)
+ return true;
+
+ for (i = 0; i < argc; ++i) {
+ char *end;
+ long nr = strtoul(argv[i], &end, 10);
+
+ if (*end == '\0') {
+ if (nr == curr + 1)
+ return true;
+ continue;
+ }
+
+ if (strstr(tests[curr].desc, argv[i]))
+ return true;
+ }
+
+ return false;
+}
+
+static int __cmd_test(int argc, const char *argv[])
+{
+ int i = 0;
+ int width = 0;
+
+ while (tests[i].func) {
+ int len = strlen(tests[i].desc);
+
+ if (width < len)
+ width = len;
+ ++i;
+ }
+
+ i = 0;
+ while (tests[i].func) {
+ int curr = i++, err;
+
+ if (!perf_test__matches(curr, argc, argv))
+ continue;
+
+ pr_info("%2d: %-*s:", i, width, tests[curr].desc);
+ pr_debug("\n--- start ---\n");
+ err = tests[curr].func();
+ pr_debug("---- end ----\n%s:", tests[curr].desc);
+ if (err)
+ color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
+ else
+ pr_info(" Ok\n");
+ }
+
+ return 0;
+}
+
+static int perf_test__list(int argc, const char **argv)
+{
+ int i = 0;
+
+ while (tests[i].func) {
+ int curr = i++;
+
+ if (argc > 1 && !strstr(tests[curr].desc, argv[1]))
+ continue;
+
+ pr_info("%2d: %s\n", i, tests[curr].desc);
+ }
+
+ return 0;
+}
+
+int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
+{
+ const char * const test_usage[] = {
+ "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
+ NULL,
+ };
+ const struct option test_options[] = {
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show symbol address, etc)"),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, test_options, test_usage, 0);
+ if (argc >= 1 && !strcmp(argv[0], "list"))
+ return perf_test__list(argc, argv);
+
+ symbol_conf.priv_size = sizeof(int);
+ symbol_conf.sort_by_name = true;
+ symbol_conf.try_vmlinux_path = true;
+
+ if (symbol__init() < 0)
+ return -1;
+
+ return __cmd_test(argc, argv);
+}
--- /dev/null
+#include "util.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "symbol.h"
+
+#define TEST_ASSERT_VAL(text, cond) \
+do { \
+ if (!(cond)) { \
+ pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+ return -1; \
+ } \
+} while (0)
+
+static char *test_file(int size)
+{
+ static char buf_templ[] = "/tmp/test-XXXXXX";
+ char *templ = buf_templ;
+ int fd, i;
+ unsigned char *buf;
+
+ fd = mkstemp(templ);
+
+ buf = malloc(size);
+ if (!buf) {
+ close(fd);
+ return NULL;
+ }
+
+ for (i = 0; i < size; i++)
+ buf[i] = (unsigned char) ((int) i % 10);
+
+ if (size != write(fd, buf, size))
+ templ = NULL;
+
+ close(fd);
+ return templ;
+}
+
+#define TEST_FILE_SIZE (DSO__DATA_CACHE_SIZE * 20)
+
+struct test_data_offset {
+ off_t offset;
+ u8 data[10];
+ int size;
+};
+
+struct test_data_offset offsets[] = {
+ /* Fill first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read first cache page. */
+ {
+ .offset = 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read cache boundary pages. */
+ {
+ .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Fill final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 10,
+ .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
+ .size = 10,
+ },
+ /* Read final cache page. */
+ {
+ .offset = TEST_FILE_SIZE - 3,
+ .data = { 7, 8, 9, 0, 0, 0, 0, 0, 0, 0 },
+ .size = 3,
+ },
+};
+
+int dso__test_data(void)
+{
+ struct machine machine;
+ struct dso *dso;
+ char *file = test_file(TEST_FILE_SIZE);
+ size_t i;
+
+ TEST_ASSERT_VAL("No test file", file);
+
+ memset(&machine, 0, sizeof(machine));
+
+ dso = dso__new((const char *)file);
+
+ /* Basic 10 bytes tests. */
+ for (i = 0; i < ARRAY_SIZE(offsets); i++) {
+ struct test_data_offset *data = &offsets[i];
+ ssize_t size;
+ u8 buf[10];
+
+ memset(buf, 0, 10);
+ size = dso__data_read_offset(dso, &machine, data->offset,
+ buf, 10);
+
+ TEST_ASSERT_VAL("Wrong size", size == data->size);
+ TEST_ASSERT_VAL("Wrong data", !memcmp(buf, data->data, 10));
+ }
+
+ /* Read cross multiple cache pages. */
+ {
+ ssize_t size;
+ int c;
+ u8 *buf;
+
+ buf = malloc(TEST_FILE_SIZE);
+ TEST_ASSERT_VAL("ENOMEM\n", buf);
+
+ /* First iteration to fill caches, second one to read them. */
+ for (c = 0; c < 2; c++) {
+ memset(buf, 0, TEST_FILE_SIZE);
+ size = dso__data_read_offset(dso, &machine, 10,
+ buf, TEST_FILE_SIZE);
+
+ TEST_ASSERT_VAL("Wrong size",
+ size == (TEST_FILE_SIZE - 10));
+
+ for (i = 0; i < (size_t)size; i++)
+ TEST_ASSERT_VAL("Wrong data",
+ buf[i] == (i % 10));
+ }
+
+ free(buf);
+ }
+
+ dso__delete(dso);
+ unlink(file);
+ return 0;
+}
--- /dev/null
+
+#include "parse-events.h"
+#include "evsel.h"
+#include "evlist.h"
+#include "sysfs.h"
+#include "../../../include/linux/hw_breakpoint.h"
+
+#define TEST_ASSERT_VAL(text, cond) \
+do { \
+ if (!(cond)) { \
+ pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+ return -1; \
+ } \
+} while (0)
+
+#define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
+ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
+
+static int test__checkevent_tracepoint(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong sample_type",
+ PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
+ TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
+ return 0;
+}
+
+static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1);
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ TEST_ASSERT_VAL("wrong type",
+ PERF_TYPE_TRACEPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong sample_type",
+ PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
+ TEST_ASSERT_VAL("wrong sample_period",
+ 1 == evsel->attr.sample_period);
+ }
+ return 0;
+}
+
+static int test__checkevent_raw(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0x1a == evsel->attr.config);
+ return 0;
+}
+
+static int test__checkevent_numeric(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
+ return 0;
+}
+
+static int test__checkevent_symbolic_name(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ return 0;
+}
+
+static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong period",
+ 100000 == evsel->attr.sample_period);
+ TEST_ASSERT_VAL("wrong config1",
+ 0 == evsel->attr.config1);
+ TEST_ASSERT_VAL("wrong config2",
+ 1 == evsel->attr.config2);
+ return 0;
+}
+
+static int test__checkevent_symbolic_alias(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_SW_PAGE_FAULTS == evsel->attr.config);
+ return 0;
+}
+
+static int test__checkevent_genhw(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", (1 << 16) == evsel->attr.config);
+ return 0;
+}
+
+static int test__checkevent_breakpoint(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) ==
+ evsel->attr.bp_type);
+ TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_4 ==
+ evsel->attr.bp_len);
+ return 0;
+}
+
+static int test__checkevent_breakpoint_x(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong bp_type",
+ HW_BREAKPOINT_X == evsel->attr.bp_type);
+ TEST_ASSERT_VAL("wrong bp_len", sizeof(long) == evsel->attr.bp_len);
+ return 0;
+}
+
+static int test__checkevent_breakpoint_r(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type",
+ PERF_TYPE_BREAKPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong bp_type",
+ HW_BREAKPOINT_R == evsel->attr.bp_type);
+ TEST_ASSERT_VAL("wrong bp_len",
+ HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
+ return 0;
+}
+
+static int test__checkevent_breakpoint_w(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type",
+ PERF_TYPE_BREAKPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong bp_type",
+ HW_BREAKPOINT_W == evsel->attr.bp_type);
+ TEST_ASSERT_VAL("wrong bp_len",
+ HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
+ return 0;
+}
+
+static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type",
+ PERF_TYPE_BREAKPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong bp_type",
+ (HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->attr.bp_type);
+ TEST_ASSERT_VAL("wrong bp_len",
+ HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
+ return 0;
+}
+
+static int test__checkevent_tracepoint_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ return test__checkevent_tracepoint(evlist);
+}
+
+static int
+test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1);
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ TEST_ASSERT_VAL("wrong exclude_user",
+ !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel",
+ evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ }
+
+ return test__checkevent_tracepoint_multi(evlist);
+}
+
+static int test__checkevent_raw_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+
+ return test__checkevent_raw(evlist);
+}
+
+static int test__checkevent_numeric_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+
+ return test__checkevent_numeric(evlist);
+}
+
+static int test__checkevent_symbolic_name_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ return test__checkevent_symbolic_name(evlist);
+}
+
+static int test__checkevent_exclude_host_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+
+ return test__checkevent_symbolic_name(evlist);
+}
+
+static int test__checkevent_exclude_guest_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+
+ return test__checkevent_symbolic_name(evlist);
+}
+
+static int test__checkevent_symbolic_alias_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ return test__checkevent_symbolic_alias(evlist);
+}
+
+static int test__checkevent_genhw_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+
+ return test__checkevent_genhw(evlist);
+}
+
+static int test__checkevent_breakpoint_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "mem:0:u"));
+
+ return test__checkevent_breakpoint(evlist);
+}
+
+static int test__checkevent_breakpoint_x_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "mem:0:x:k"));
+
+ return test__checkevent_breakpoint_x(evlist);
+}
+
+static int test__checkevent_breakpoint_r_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "mem:0:r:hp"));
+
+ return test__checkevent_breakpoint_r(evlist);
+}
+
+static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "mem:0:w:up"));
+
+ return test__checkevent_breakpoint_w(evlist);
+}
+
+static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "mem:0:rw:kp"));
+
+ return test__checkevent_breakpoint_rw(evlist);
+}
+
+static int test__checkevent_pmu(struct perf_evlist *evlist)
+{
+
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 10 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong config1", 1 == evsel->attr.config1);
+ TEST_ASSERT_VAL("wrong config2", 3 == evsel->attr.config2);
+ TEST_ASSERT_VAL("wrong period", 1000 == evsel->attr.sample_period);
+
+ return 0;
+}
+
+static int test__checkevent_list(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
+
+ /* r1 */
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong config1", 0 == evsel->attr.config1);
+ TEST_ASSERT_VAL("wrong config2", 0 == evsel->attr.config2);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ /* syscalls:sys_enter_open:k */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong sample_type",
+ PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
+ TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ /* 1:1:hp */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
+
+ return 0;
+}
+
+static int test__checkevent_pmu_name(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ /* cpu/config=1,name=krava/u */
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong name", !strcmp(perf_evsel__name(evsel), "krava"));
+
+ /* cpu/config=2/u" */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong name",
+ !strcmp(perf_evsel__name(evsel), "cpu/config=2/u"));
+
+ return 0;
+}
+
+static int test__checkevent_pmu_events(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ evsel = list_entry(evlist->entries.next, struct perf_evsel, node);
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong exclude_user",
+ !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel",
+ evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ return 0;
+}
+
+static int test__checkterms_simple(struct list_head *terms)
+{
+ struct parse_events__term *term;
+
+ /* config=10 */
+ term = list_entry(terms->next, struct parse_events__term, list);
+ TEST_ASSERT_VAL("wrong type term",
+ term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG);
+ TEST_ASSERT_VAL("wrong type val",
+ term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ TEST_ASSERT_VAL("wrong val", term->val.num == 10);
+ TEST_ASSERT_VAL("wrong config", !term->config);
+
+ /* config1 */
+ term = list_entry(term->list.next, struct parse_events__term, list);
+ TEST_ASSERT_VAL("wrong type term",
+ term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG1);
+ TEST_ASSERT_VAL("wrong type val",
+ term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ TEST_ASSERT_VAL("wrong val", term->val.num == 1);
+ TEST_ASSERT_VAL("wrong config", !term->config);
+
+ /* config2=3 */
+ term = list_entry(term->list.next, struct parse_events__term, list);
+ TEST_ASSERT_VAL("wrong type term",
+ term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG2);
+ TEST_ASSERT_VAL("wrong type val",
+ term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ TEST_ASSERT_VAL("wrong val", term->val.num == 3);
+ TEST_ASSERT_VAL("wrong config", !term->config);
+
+ /* umask=1*/
+ term = list_entry(term->list.next, struct parse_events__term, list);
+ TEST_ASSERT_VAL("wrong type term",
+ term->type_term == PARSE_EVENTS__TERM_TYPE_USER);
+ TEST_ASSERT_VAL("wrong type val",
+ term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ TEST_ASSERT_VAL("wrong val", term->val.num == 1);
+ TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "umask"));
+
+ return 0;
+}
+
+static int test__group1(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+
+ /* instructions:k */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* cycles:upp */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ /* use of precise requires exclude_guest */
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ return 0;
+}
+
+static int test__group2(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
+
+ /* faults + :ku modifier */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_SW_PAGE_FAULTS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* cache-references + :u modifier */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CACHE_REFERENCES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles:k */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
+static int test__group3(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
+
+ /* group1 syscalls:sys_enter_open:H */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong sample_type",
+ PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
+ TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong group name",
+ !strcmp(leader->group_name, "group1"));
+
+ /* group1 cycles:kppp */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ /* use of precise requires exclude_guest */
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 3);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+
+ /* group2 cycles + G modifier */
+ evsel = leader = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong group name",
+ !strcmp(leader->group_name, "group2"));
+
+ /* group2 1:3 + G modifier */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 3 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* instructions:u */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
+static int test__group4(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+
+ /* cycles:u + p */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ /* use of precise requires exclude_guest */
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions:kp + p */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ /* use of precise requires exclude_guest */
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ return 0;
+}
+
+static int test__group5(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
+
+ /* cycles + G */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions + G */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles:G */
+ evsel = leader = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions:G */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
+struct test__event_st {
+ const char *name;
+ __u32 type;
+ int (*check)(struct perf_evlist *evlist);
+};
+
+static struct test__event_st test__events[] = {
+ [0] = {
+ .name = "syscalls:sys_enter_open",
+ .check = test__checkevent_tracepoint,
+ },
+ [1] = {
+ .name = "syscalls:*",
+ .check = test__checkevent_tracepoint_multi,
+ },
+ [2] = {
+ .name = "r1a",
+ .check = test__checkevent_raw,
+ },
+ [3] = {
+ .name = "1:1",
+ .check = test__checkevent_numeric,
+ },
+ [4] = {
+ .name = "instructions",
+ .check = test__checkevent_symbolic_name,
+ },
+ [5] = {
+ .name = "cycles/period=100000,config2/",
+ .check = test__checkevent_symbolic_name_config,
+ },
+ [6] = {
+ .name = "faults",
+ .check = test__checkevent_symbolic_alias,
+ },
+ [7] = {
+ .name = "L1-dcache-load-miss",
+ .check = test__checkevent_genhw,
+ },
+ [8] = {
+ .name = "mem:0",
+ .check = test__checkevent_breakpoint,
+ },
+ [9] = {
+ .name = "mem:0:x",
+ .check = test__checkevent_breakpoint_x,
+ },
+ [10] = {
+ .name = "mem:0:r",
+ .check = test__checkevent_breakpoint_r,
+ },
+ [11] = {
+ .name = "mem:0:w",
+ .check = test__checkevent_breakpoint_w,
+ },
+ [12] = {
+ .name = "syscalls:sys_enter_open:k",
+ .check = test__checkevent_tracepoint_modifier,
+ },
+ [13] = {
+ .name = "syscalls:*:u",
+ .check = test__checkevent_tracepoint_multi_modifier,
+ },
+ [14] = {
+ .name = "r1a:kp",
+ .check = test__checkevent_raw_modifier,
+ },
+ [15] = {
+ .name = "1:1:hp",
+ .check = test__checkevent_numeric_modifier,
+ },
+ [16] = {
+ .name = "instructions:h",
+ .check = test__checkevent_symbolic_name_modifier,
+ },
+ [17] = {
+ .name = "faults:u",
+ .check = test__checkevent_symbolic_alias_modifier,
+ },
+ [18] = {
+ .name = "L1-dcache-load-miss:kp",
+ .check = test__checkevent_genhw_modifier,
+ },
+ [19] = {
+ .name = "mem:0:u",
+ .check = test__checkevent_breakpoint_modifier,
+ },
+ [20] = {
+ .name = "mem:0:x:k",
+ .check = test__checkevent_breakpoint_x_modifier,
+ },
+ [21] = {
+ .name = "mem:0:r:hp",
+ .check = test__checkevent_breakpoint_r_modifier,
+ },
+ [22] = {
+ .name = "mem:0:w:up",
+ .check = test__checkevent_breakpoint_w_modifier,
+ },
+ [23] = {
+ .name = "r1,syscalls:sys_enter_open:k,1:1:hp",
+ .check = test__checkevent_list,
+ },
+ [24] = {
+ .name = "instructions:G",
+ .check = test__checkevent_exclude_host_modifier,
+ },
+ [25] = {
+ .name = "instructions:H",
+ .check = test__checkevent_exclude_guest_modifier,
+ },
+ [26] = {
+ .name = "mem:0:rw",
+ .check = test__checkevent_breakpoint_rw,
+ },
+ [27] = {
+ .name = "mem:0:rw:kp",
+ .check = test__checkevent_breakpoint_rw_modifier,
+ },
+ [28] = {
+ .name = "{instructions:k,cycles:upp}",
+ .check = test__group1,
+ },
+ [29] = {
+ .name = "{faults:k,cache-references}:u,cycles:k",
+ .check = test__group2,
+ },
+ [30] = {
+ .name = "group1{syscalls:sys_enter_open:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u",
+ .check = test__group3,
+ },
+ [31] = {
+ .name = "{cycles:u,instructions:kp}:p",
+ .check = test__group4,
+ },
+ [32] = {
+ .name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles",
+ .check = test__group5,
+ },
+};
+
+static struct test__event_st test__events_pmu[] = {
+ [0] = {
+ .name = "cpu/config=10,config1,config2=3,period=1000/u",
+ .check = test__checkevent_pmu,
+ },
+ [1] = {
+ .name = "cpu/config=1,name=krava/u,cpu/config=2/u",
+ .check = test__checkevent_pmu_name,
+ },
+};
+
+struct test__term {
+ const char *str;
+ __u32 type;
+ int (*check)(struct list_head *terms);
+};
+
+static struct test__term test__terms[] = {
+ [0] = {
+ .str = "config=10,config1,config2=3,umask=1",
+ .check = test__checkterms_simple,
+ },
+};
+
+static int test_event(struct test__event_st *e)
+{
+ struct perf_evlist *evlist;
+ int ret;
+
+ evlist = perf_evlist__new(NULL, NULL);
+ if (evlist == NULL)
+ return -ENOMEM;
+
+ ret = parse_events(evlist, e->name, 0);
+ if (ret) {
+ pr_debug("failed to parse event '%s', err %d\n",
+ e->name, ret);
+ return ret;
+ }
+
+ ret = e->check(evlist);
+ perf_evlist__delete(evlist);
+
+ return ret;
+}
+
+static int test_events(struct test__event_st *events, unsigned cnt)
+{
+ int ret1, ret2 = 0;
+ unsigned i;
+
+ for (i = 0; i < cnt; i++) {
+ struct test__event_st *e = &events[i];
+
+ pr_debug("running test %d '%s'\n", i, e->name);
+ ret1 = test_event(e);
+ if (ret1)
+ ret2 = ret1;
+ }
+
+ return ret2;
+}
+
+static int test_term(struct test__term *t)
+{
+ struct list_head *terms;
+ int ret;
+
+ terms = malloc(sizeof(*terms));
+ if (!terms)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(terms);
+
+ ret = parse_events_terms(terms, t->str);
+ if (ret) {
+ pr_debug("failed to parse terms '%s', err %d\n",
+ t->str , ret);
+ return ret;
+ }
+
+ ret = t->check(terms);
+ parse_events__free_terms(terms);
+
+ return ret;
+}
+
+static int test_terms(struct test__term *terms, unsigned cnt)
+{
+ int ret = 0;
+ unsigned i;
+
+ for (i = 0; i < cnt; i++) {
+ struct test__term *t = &terms[i];
+
+ pr_debug("running test %d '%s'\n", i, t->str);
+ ret = test_term(t);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+static int test_pmu(void)
+{
+ struct stat st;
+ char path[PATH_MAX];
+ int ret;
+
+ snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/format/",
+ sysfs_find_mountpoint());
+
+ ret = stat(path, &st);
+ if (ret)
+ pr_debug("omitting PMU cpu tests\n");
+ return !ret;
+}
+
+static int test_pmu_events(void)
+{
+ struct stat st;
+ char path[PATH_MAX];
+ struct dirent *ent;
+ DIR *dir;
+ int ret;
+
+ snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/",
+ sysfs_find_mountpoint());
+
+ ret = stat(path, &st);
+ if (ret) {
+ pr_debug("ommiting PMU cpu events tests\n");
+ return 0;
+ }
+
+ dir = opendir(path);
+ if (!dir) {
+ pr_debug("can't open pmu event dir");
+ return -1;
+ }
+
+ while (!ret && (ent = readdir(dir))) {
+#define MAX_NAME 100
+ struct test__event_st e;
+ char name[MAX_NAME];
+
+ if (!strcmp(ent->d_name, ".") ||
+ !strcmp(ent->d_name, ".."))
+ continue;
+
+ snprintf(name, MAX_NAME, "cpu/event=%s/u", ent->d_name);
+
+ e.name = name;
+ e.check = test__checkevent_pmu_events;
+
+ ret = test_event(&e);
+#undef MAX_NAME
+ }
+
+ closedir(dir);
+ return ret;
+}
+
+int parse_events__test(void)
+{
+ int ret1, ret2 = 0;
+
+#define TEST_EVENTS(tests) \
+do { \
+ ret1 = test_events(tests, ARRAY_SIZE(tests)); \
+ if (!ret2) \
+ ret2 = ret1; \
+} while (0)
+
+ TEST_EVENTS(test__events);
+
+ if (test_pmu())
+ TEST_EVENTS(test__events_pmu);
+
+ if (test_pmu()) {
+ int ret = test_pmu_events();
+ if (ret)
+ return ret;
+ }
+
+ ret1 = test_terms(test__terms, ARRAY_SIZE(test__terms));
+ if (!ret2)
+ ret2 = ret1;
+
+ return ret2;
+}
+++ /dev/null
-#include "util.h"
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include "symbol.h"
-
-#define TEST_ASSERT_VAL(text, cond) \
-do { \
- if (!(cond)) { \
- pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
- return -1; \
- } \
-} while (0)
-
-static char *test_file(int size)
-{
- static char buf_templ[] = "/tmp/test-XXXXXX";
- char *templ = buf_templ;
- int fd, i;
- unsigned char *buf;
-
- fd = mkstemp(templ);
-
- buf = malloc(size);
- if (!buf) {
- close(fd);
- return NULL;
- }
-
- for (i = 0; i < size; i++)
- buf[i] = (unsigned char) ((int) i % 10);
-
- if (size != write(fd, buf, size))
- templ = NULL;
-
- close(fd);
- return templ;
-}
-
-#define TEST_FILE_SIZE (DSO__DATA_CACHE_SIZE * 20)
-
-struct test_data_offset {
- off_t offset;
- u8 data[10];
- int size;
-};
-
-struct test_data_offset offsets[] = {
- /* Fill first cache page. */
- {
- .offset = 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Read first cache page. */
- {
- .offset = 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Fill cache boundary pages. */
- {
- .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Read cache boundary pages. */
- {
- .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Fill final cache page. */
- {
- .offset = TEST_FILE_SIZE - 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Read final cache page. */
- {
- .offset = TEST_FILE_SIZE - 10,
- .data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
- .size = 10,
- },
- /* Read final cache page. */
- {
- .offset = TEST_FILE_SIZE - 3,
- .data = { 7, 8, 9, 0, 0, 0, 0, 0, 0, 0 },
- .size = 3,
- },
-};
-
-int dso__test_data(void)
-{
- struct machine machine;
- struct dso *dso;
- char *file = test_file(TEST_FILE_SIZE);
- size_t i;
-
- TEST_ASSERT_VAL("No test file", file);
-
- memset(&machine, 0, sizeof(machine));
-
- dso = dso__new((const char *)file);
-
- /* Basic 10 bytes tests. */
- for (i = 0; i < ARRAY_SIZE(offsets); i++) {
- struct test_data_offset *data = &offsets[i];
- ssize_t size;
- u8 buf[10];
-
- memset(buf, 0, 10);
- size = dso__data_read_offset(dso, &machine, data->offset,
- buf, 10);
-
- TEST_ASSERT_VAL("Wrong size", size == data->size);
- TEST_ASSERT_VAL("Wrong data", !memcmp(buf, data->data, 10));
- }
-
- /* Read cross multiple cache pages. */
- {
- ssize_t size;
- int c;
- u8 *buf;
-
- buf = malloc(TEST_FILE_SIZE);
- TEST_ASSERT_VAL("ENOMEM\n", buf);
-
- /* First iteration to fill caches, second one to read them. */
- for (c = 0; c < 2; c++) {
- memset(buf, 0, TEST_FILE_SIZE);
- size = dso__data_read_offset(dso, &machine, 10,
- buf, TEST_FILE_SIZE);
-
- TEST_ASSERT_VAL("Wrong size",
- size == (TEST_FILE_SIZE - 10));
-
- for (i = 0; i < (size_t)size; i++)
- TEST_ASSERT_VAL("Wrong data",
- buf[i] == (i % 10));
- }
-
- free(buf);
- }
-
- dso__delete(dso);
- unlink(file);
- return 0;
-}
+++ /dev/null
-
-#include "parse-events.h"
-#include "evsel.h"
-#include "evlist.h"
-#include "sysfs.h"
-#include "../../../include/linux/hw_breakpoint.h"
-
-#define TEST_ASSERT_VAL(text, cond) \
-do { \
- if (!(cond)) { \
- pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
- return -1; \
- } \
-} while (0)
-
-#define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
- PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
-
-static int test__checkevent_tracepoint(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong sample_type",
- PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
- TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
- return 0;
-}
-
-static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel;
-
- TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1);
-
- list_for_each_entry(evsel, &evlist->entries, node) {
- TEST_ASSERT_VAL("wrong type",
- PERF_TYPE_TRACEPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong sample_type",
- PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
- TEST_ASSERT_VAL("wrong sample_period",
- 1 == evsel->attr.sample_period);
- }
- return 0;
-}
-
-static int test__checkevent_raw(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0x1a == evsel->attr.config);
- return 0;
-}
-
-static int test__checkevent_numeric(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
- return 0;
-}
-
-static int test__checkevent_symbolic_name(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- return 0;
-}
-
-static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong period",
- 100000 == evsel->attr.sample_period);
- TEST_ASSERT_VAL("wrong config1",
- 0 == evsel->attr.config1);
- TEST_ASSERT_VAL("wrong config2",
- 1 == evsel->attr.config2);
- return 0;
-}
-
-static int test__checkevent_symbolic_alias(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_SW_PAGE_FAULTS == evsel->attr.config);
- return 0;
-}
-
-static int test__checkevent_genhw(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", (1 << 16) == evsel->attr.config);
- return 0;
-}
-
-static int test__checkevent_breakpoint(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) ==
- evsel->attr.bp_type);
- TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_4 ==
- evsel->attr.bp_len);
- return 0;
-}
-
-static int test__checkevent_breakpoint_x(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong bp_type",
- HW_BREAKPOINT_X == evsel->attr.bp_type);
- TEST_ASSERT_VAL("wrong bp_len", sizeof(long) == evsel->attr.bp_len);
- return 0;
-}
-
-static int test__checkevent_breakpoint_r(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type",
- PERF_TYPE_BREAKPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong bp_type",
- HW_BREAKPOINT_R == evsel->attr.bp_type);
- TEST_ASSERT_VAL("wrong bp_len",
- HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
- return 0;
-}
-
-static int test__checkevent_breakpoint_w(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type",
- PERF_TYPE_BREAKPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong bp_type",
- HW_BREAKPOINT_W == evsel->attr.bp_type);
- TEST_ASSERT_VAL("wrong bp_len",
- HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
- return 0;
-}
-
-static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type",
- PERF_TYPE_BREAKPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong bp_type",
- (HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->attr.bp_type);
- TEST_ASSERT_VAL("wrong bp_len",
- HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
- return 0;
-}
-
-static int test__checkevent_tracepoint_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- return test__checkevent_tracepoint(evlist);
-}
-
-static int
-test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel;
-
- TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1);
-
- list_for_each_entry(evsel, &evlist->entries, node) {
- TEST_ASSERT_VAL("wrong exclude_user",
- !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel",
- evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- }
-
- return test__checkevent_tracepoint_multi(evlist);
-}
-
-static int test__checkevent_raw_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
-
- return test__checkevent_raw(evlist);
-}
-
-static int test__checkevent_numeric_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
-
- return test__checkevent_numeric(evlist);
-}
-
-static int test__checkevent_symbolic_name_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- return test__checkevent_symbolic_name(evlist);
-}
-
-static int test__checkevent_exclude_host_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
-
- return test__checkevent_symbolic_name(evlist);
-}
-
-static int test__checkevent_exclude_guest_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
-
- return test__checkevent_symbolic_name(evlist);
-}
-
-static int test__checkevent_symbolic_alias_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- return test__checkevent_symbolic_alias(evlist);
-}
-
-static int test__checkevent_genhw_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
-
- return test__checkevent_genhw(evlist);
-}
-
-static int test__checkevent_breakpoint_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
-
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:u"));
-
- return test__checkevent_breakpoint(evlist);
-}
-
-static int test__checkevent_breakpoint_x_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:x:k"));
-
- return test__checkevent_breakpoint_x(evlist);
-}
-
-static int test__checkevent_breakpoint_r_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:r:hp"));
-
- return test__checkevent_breakpoint_r(evlist);
-}
-
-static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:w:up"));
-
- return test__checkevent_breakpoint_w(evlist);
-}
-
-static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:rw:kp"));
-
- return test__checkevent_breakpoint_rw(evlist);
-}
-
-static int test__checkevent_pmu(struct perf_evlist *evlist)
-{
-
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 10 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong config1", 1 == evsel->attr.config1);
- TEST_ASSERT_VAL("wrong config2", 3 == evsel->attr.config2);
- TEST_ASSERT_VAL("wrong period", 1000 == evsel->attr.sample_period);
-
- return 0;
-}
-
-static int test__checkevent_list(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
-
- /* r1 */
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong config1", 0 == evsel->attr.config1);
- TEST_ASSERT_VAL("wrong config2", 0 == evsel->attr.config2);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- /* syscalls:sys_enter_open:k */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong sample_type",
- PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
- TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- /* 1:1:hp */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
-
- return 0;
-}
-
-static int test__checkevent_pmu_name(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel = perf_evlist__first(evlist);
-
- /* cpu/config=1,name=krava/u */
- TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong name", !strcmp(perf_evsel__name(evsel), "krava"));
-
- /* cpu/config=2/u" */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "cpu/config=2/u"));
-
- return 0;
-}
-
-static int test__checkevent_pmu_events(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel;
-
- evsel = list_entry(evlist->entries.next, struct perf_evsel, node);
- TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
- TEST_ASSERT_VAL("wrong exclude_user",
- !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel",
- evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
-
- return 0;
-}
-
-static int test__checkterms_simple(struct list_head *terms)
-{
- struct parse_events__term *term;
-
- /* config=10 */
- term = list_entry(terms->next, struct parse_events__term, list);
- TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG);
- TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 10);
- TEST_ASSERT_VAL("wrong config", !term->config);
-
- /* config1 */
- term = list_entry(term->list.next, struct parse_events__term, list);
- TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG1);
- TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 1);
- TEST_ASSERT_VAL("wrong config", !term->config);
-
- /* config2=3 */
- term = list_entry(term->list.next, struct parse_events__term, list);
- TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG2);
- TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 3);
- TEST_ASSERT_VAL("wrong config", !term->config);
-
- /* umask=1*/
- term = list_entry(term->list.next, struct parse_events__term, list);
- TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_USER);
- TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 1);
- TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "umask"));
-
- return 0;
-}
-
-static int test__group1(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel, *leader;
-
- TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
-
- /* instructions:k */
- evsel = leader = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- /* cycles:upp */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- /* use of precise requires exclude_guest */
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- return 0;
-}
-
-static int test__group2(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel, *leader;
-
- TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
-
- /* faults + :ku modifier */
- evsel = leader = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_SW_PAGE_FAULTS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- /* cache-references + :u modifier */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CACHE_REFERENCES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- /* cycles:k */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- return 0;
-}
-
-static int test__group3(struct perf_evlist *evlist __maybe_unused)
-{
- struct perf_evsel *evsel, *leader;
-
- TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
-
- /* group1 syscalls:sys_enter_open:H */
- evsel = leader = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
- TEST_ASSERT_VAL("wrong sample_type",
- PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
- TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
- TEST_ASSERT_VAL("wrong group name",
- !strcmp(leader->group_name, "group1"));
-
- /* group1 cycles:kppp */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- /* use of precise requires exclude_guest */
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 3);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
-
- /* group2 cycles + G modifier */
- evsel = leader = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
- TEST_ASSERT_VAL("wrong group name",
- !strcmp(leader->group_name, "group2"));
-
- /* group2 1:3 + G modifier */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config", 3 == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- /* instructions:u */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- return 0;
-}
-
-static int test__group4(struct perf_evlist *evlist __maybe_unused)
-{
- struct perf_evsel *evsel, *leader;
-
- TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
-
- /* cycles:u + p */
- evsel = leader = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- /* use of precise requires exclude_guest */
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1);
- TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- /* instructions:kp + p */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
- /* use of precise requires exclude_guest */
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- return 0;
-}
-
-static int test__group5(struct perf_evlist *evlist __maybe_unused)
-{
- struct perf_evsel *evsel, *leader;
-
- TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
-
- /* cycles + G */
- evsel = leader = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- /* instructions + G */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- /* cycles:G */
- evsel = leader = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- /* instructions:G */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-
- /* cycles */
- evsel = perf_evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
- TEST_ASSERT_VAL("wrong config",
- PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
- TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
- TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
- TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
- TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
- TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
- TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
-
- return 0;
-}
-
-struct test__event_st {
- const char *name;
- __u32 type;
- int (*check)(struct perf_evlist *evlist);
-};
-
-static struct test__event_st test__events[] = {
- [0] = {
- .name = "syscalls:sys_enter_open",
- .check = test__checkevent_tracepoint,
- },
- [1] = {
- .name = "syscalls:*",
- .check = test__checkevent_tracepoint_multi,
- },
- [2] = {
- .name = "r1a",
- .check = test__checkevent_raw,
- },
- [3] = {
- .name = "1:1",
- .check = test__checkevent_numeric,
- },
- [4] = {
- .name = "instructions",
- .check = test__checkevent_symbolic_name,
- },
- [5] = {
- .name = "cycles/period=100000,config2/",
- .check = test__checkevent_symbolic_name_config,
- },
- [6] = {
- .name = "faults",
- .check = test__checkevent_symbolic_alias,
- },
- [7] = {
- .name = "L1-dcache-load-miss",
- .check = test__checkevent_genhw,
- },
- [8] = {
- .name = "mem:0",
- .check = test__checkevent_breakpoint,
- },
- [9] = {
- .name = "mem:0:x",
- .check = test__checkevent_breakpoint_x,
- },
- [10] = {
- .name = "mem:0:r",
- .check = test__checkevent_breakpoint_r,
- },
- [11] = {
- .name = "mem:0:w",
- .check = test__checkevent_breakpoint_w,
- },
- [12] = {
- .name = "syscalls:sys_enter_open:k",
- .check = test__checkevent_tracepoint_modifier,
- },
- [13] = {
- .name = "syscalls:*:u",
- .check = test__checkevent_tracepoint_multi_modifier,
- },
- [14] = {
- .name = "r1a:kp",
- .check = test__checkevent_raw_modifier,
- },
- [15] = {
- .name = "1:1:hp",
- .check = test__checkevent_numeric_modifier,
- },
- [16] = {
- .name = "instructions:h",
- .check = test__checkevent_symbolic_name_modifier,
- },
- [17] = {
- .name = "faults:u",
- .check = test__checkevent_symbolic_alias_modifier,
- },
- [18] = {
- .name = "L1-dcache-load-miss:kp",
- .check = test__checkevent_genhw_modifier,
- },
- [19] = {
- .name = "mem:0:u",
- .check = test__checkevent_breakpoint_modifier,
- },
- [20] = {
- .name = "mem:0:x:k",
- .check = test__checkevent_breakpoint_x_modifier,
- },
- [21] = {
- .name = "mem:0:r:hp",
- .check = test__checkevent_breakpoint_r_modifier,
- },
- [22] = {
- .name = "mem:0:w:up",
- .check = test__checkevent_breakpoint_w_modifier,
- },
- [23] = {
- .name = "r1,syscalls:sys_enter_open:k,1:1:hp",
- .check = test__checkevent_list,
- },
- [24] = {
- .name = "instructions:G",
- .check = test__checkevent_exclude_host_modifier,
- },
- [25] = {
- .name = "instructions:H",
- .check = test__checkevent_exclude_guest_modifier,
- },
- [26] = {
- .name = "mem:0:rw",
- .check = test__checkevent_breakpoint_rw,
- },
- [27] = {
- .name = "mem:0:rw:kp",
- .check = test__checkevent_breakpoint_rw_modifier,
- },
- [28] = {
- .name = "{instructions:k,cycles:upp}",
- .check = test__group1,
- },
- [29] = {
- .name = "{faults:k,cache-references}:u,cycles:k",
- .check = test__group2,
- },
- [30] = {
- .name = "group1{syscalls:sys_enter_open:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u",
- .check = test__group3,
- },
- [31] = {
- .name = "{cycles:u,instructions:kp}:p",
- .check = test__group4,
- },
- [32] = {
- .name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles",
- .check = test__group5,
- },
-};
-
-static struct test__event_st test__events_pmu[] = {
- [0] = {
- .name = "cpu/config=10,config1,config2=3,period=1000/u",
- .check = test__checkevent_pmu,
- },
- [1] = {
- .name = "cpu/config=1,name=krava/u,cpu/config=2/u",
- .check = test__checkevent_pmu_name,
- },
-};
-
-struct test__term {
- const char *str;
- __u32 type;
- int (*check)(struct list_head *terms);
-};
-
-static struct test__term test__terms[] = {
- [0] = {
- .str = "config=10,config1,config2=3,umask=1",
- .check = test__checkterms_simple,
- },
-};
-
-static int test_event(struct test__event_st *e)
-{
- struct perf_evlist *evlist;
- int ret;
-
- evlist = perf_evlist__new(NULL, NULL);
- if (evlist == NULL)
- return -ENOMEM;
-
- ret = parse_events(evlist, e->name, 0);
- if (ret) {
- pr_debug("failed to parse event '%s', err %d\n",
- e->name, ret);
- return ret;
- }
-
- ret = e->check(evlist);
- perf_evlist__delete(evlist);
-
- return ret;
-}
-
-static int test_events(struct test__event_st *events, unsigned cnt)
-{
- int ret1, ret2 = 0;
- unsigned i;
-
- for (i = 0; i < cnt; i++) {
- struct test__event_st *e = &events[i];
-
- pr_debug("running test %d '%s'\n", i, e->name);
- ret1 = test_event(e);
- if (ret1)
- ret2 = ret1;
- }
-
- return ret2;
-}
-
-static int test_term(struct test__term *t)
-{
- struct list_head *terms;
- int ret;
-
- terms = malloc(sizeof(*terms));
- if (!terms)
- return -ENOMEM;
-
- INIT_LIST_HEAD(terms);
-
- ret = parse_events_terms(terms, t->str);
- if (ret) {
- pr_debug("failed to parse terms '%s', err %d\n",
- t->str , ret);
- return ret;
- }
-
- ret = t->check(terms);
- parse_events__free_terms(terms);
-
- return ret;
-}
-
-static int test_terms(struct test__term *terms, unsigned cnt)
-{
- int ret = 0;
- unsigned i;
-
- for (i = 0; i < cnt; i++) {
- struct test__term *t = &terms[i];
-
- pr_debug("running test %d '%s'\n", i, t->str);
- ret = test_term(t);
- if (ret)
- break;
- }
-
- return ret;
-}
-
-static int test_pmu(void)
-{
- struct stat st;
- char path[PATH_MAX];
- int ret;
-
- snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/format/",
- sysfs_find_mountpoint());
-
- ret = stat(path, &st);
- if (ret)
- pr_debug("omitting PMU cpu tests\n");
- return !ret;
-}
-
-static int test_pmu_events(void)
-{
- struct stat st;
- char path[PATH_MAX];
- struct dirent *ent;
- DIR *dir;
- int ret;
-
- snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/",
- sysfs_find_mountpoint());
-
- ret = stat(path, &st);
- if (ret) {
- pr_debug("ommiting PMU cpu events tests\n");
- return 0;
- }
-
- dir = opendir(path);
- if (!dir) {
- pr_debug("can't open pmu event dir");
- return -1;
- }
-
- while (!ret && (ent = readdir(dir))) {
-#define MAX_NAME 100
- struct test__event_st e;
- char name[MAX_NAME];
-
- if (!strcmp(ent->d_name, ".") ||
- !strcmp(ent->d_name, ".."))
- continue;
-
- snprintf(name, MAX_NAME, "cpu/event=%s/u", ent->d_name);
-
- e.name = name;
- e.check = test__checkevent_pmu_events;
-
- ret = test_event(&e);
-#undef MAX_NAME
- }
-
- closedir(dir);
- return ret;
-}
-
-int parse_events__test(void)
-{
- int ret1, ret2 = 0;
-
-#define TEST_EVENTS(tests) \
-do { \
- ret1 = test_events(tests, ARRAY_SIZE(tests)); \
- if (!ret2) \
- ret2 = ret1; \
-} while (0)
-
- TEST_EVENTS(test__events);
-
- if (test_pmu())
- TEST_EVENTS(test__events_pmu);
-
- if (test_pmu()) {
- int ret = test_pmu_events();
- if (ret)
- return ret;
- }
-
- ret1 = test_terms(test__terms, ARRAY_SIZE(test__terms));
- if (!ret2)
- ret2 = ret1;
-
- return ret2;
-}
projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commitdiff