From: Riku Voipio Date: Fri, 29 May 2015 15:36:11 +0000 (-0300) Subject: perf tests: Aename open*.c to openat*.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fbb2df231e11d8086dc51df73376b16407463de1;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git perf tests: Aename open*.c to openat*.c Since the test being tested is now openat rather than open, rename the files to make it explicit. The patch is separeted from the first to make it simpler to deal with any potential conflicts in the Makefile Signed-off-by: Riku Voipio Reviewed-by: Ingo Molnar Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429192375-13706-3-git-send-email-riku.voipio@linaro.org [ Fixed it up wrt Build files ] Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 67f48e6620e1..ee41e705b2eb 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -3,9 +3,9 @@ perf-y += parse-events.o perf-y += dso-data.o perf-y += attr.o perf-y += vmlinux-kallsyms.o -perf-y += open-syscall.o -perf-y += open-syscall-all-cpus.o -perf-y += open-syscall-tp-fields.o +perf-y += openat-syscall.o +perf-y += openat-syscall-all-cpus.o +perf-y += openat-syscall-tp-fields.o perf-y += mmap-basic.o perf-y += perf-record.o perf-y += rdpmc.o diff --git a/tools/perf/tests/open-syscall-all-cpus.c b/tools/perf/tests/open-syscall-all-cpus.c deleted file mode 100644 index e34dfdf96b5a..000000000000 --- a/tools/perf/tests/open-syscall-all-cpus.c +++ /dev/null @@ -1,115 +0,0 @@ -#include "evsel.h" -#include "tests.h" -#include "thread_map.h" -#include "cpumap.h" -#include "debug.h" - -int test__openat_syscall_event_on_all_cpus(void) -{ - int err = -1, fd, cpu; - struct cpu_map *cpus; - struct perf_evsel *evsel; - unsigned int nr_openat_calls = 111, i; - cpu_set_t cpu_set; - struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); - char sbuf[STRERR_BUFSIZE]; - - 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); - - evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); - if (evsel == NULL) { - if (tracefs_configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs_configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\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_r(errno, sbuf, sizeof(sbuf))); - goto out_evsel_delete; - } - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int ncalls = nr_openat_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_r(errno, sbuf, sizeof(sbuf))); - goto out_close_fd; - } - for (i = 0; i < ncalls; ++i) { - fd = openat(0, "/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_openat_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; - } - } - - perf_evsel__free_counts(evsel); -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; -} diff --git a/tools/perf/tests/open-syscall-tp-fields.c b/tools/perf/tests/open-syscall-tp-fields.c deleted file mode 100644 index 6245221479d7..000000000000 --- a/tools/perf/tests/open-syscall-tp-fields.c +++ /dev/null @@ -1,121 +0,0 @@ -#include "perf.h" -#include "evlist.h" -#include "evsel.h" -#include "thread_map.h" -#include "tests.h" -#include "debug.h" - -int test__syscall_openat_tp_fields(void) -{ - struct record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .no_buffering = 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(); - struct perf_evsel *evsel; - int err = -1, i, nr_events = 0, nr_polls = 0; - char sbuf[STRERR_BUFSIZE]; - - if (evlist == NULL) { - pr_debug("%s: perf_evlist__new\n", __func__); - goto out; - } - - evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); - 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); - - evlist->threads->map[0] = getpid(); - - err = perf_evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); - goto out_delete_evlist; - } - - err = perf_evlist__mmap(evlist, UINT_MAX, false); - if (err < 0) { - pr_debug("perf_evlist__mmap: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); - goto out_delete_evlist; - } - - perf_evlist__enable(evlist); - - /* - * Generate the event: - */ - openat(AT_FDCWD, 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) { - perf_evlist__mmap_consume(evlist, i); - continue; - } - - err = perf_evsel__parse_sample(evsel, event, &sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto out_delete_evlist; - } - - 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_delete_evlist; - } - - goto out_ok; - } - } - - if (nr_events == before) - perf_evlist__poll(evlist, 10); - - if (++nr_polls > 5) { - pr_debug("%s: no events!\n", __func__); - goto out_delete_evlist; - } - } -out_ok: - err = 0; -out_delete_evlist: - perf_evlist__delete(evlist); -out: - return err; -} diff --git a/tools/perf/tests/open-syscall.c b/tools/perf/tests/open-syscall.c deleted file mode 100644 index 9f9491bb8e48..000000000000 --- a/tools/perf/tests/open-syscall.c +++ /dev/null @@ -1,61 +0,0 @@ -#include "thread_map.h" -#include "evsel.h" -#include "debug.h" -#include "tests.h" - -int test__openat_syscall_event(void) -{ - int err = -1, fd; - struct perf_evsel *evsel; - unsigned int nr_openat_calls = 111, i; - struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); - char sbuf[STRERR_BUFSIZE]; - - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); - if (evsel == NULL) { - if (tracefs_configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs_configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\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_r(errno, sbuf, sizeof(sbuf))); - goto out_evsel_delete; - } - - for (i = 0; i < nr_openat_calls; ++i) { - fd = openat(0, "/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_openat_calls) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", - nr_openat_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; -} diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c new file mode 100644 index 000000000000..e34dfdf96b5a --- /dev/null +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -0,0 +1,115 @@ +#include "evsel.h" +#include "tests.h" +#include "thread_map.h" +#include "cpumap.h" +#include "debug.h" + +int test__openat_syscall_event_on_all_cpus(void) +{ + int err = -1, fd, cpu; + struct cpu_map *cpus; + struct perf_evsel *evsel; + unsigned int nr_openat_calls = 111, i; + cpu_set_t cpu_set; + struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); + char sbuf[STRERR_BUFSIZE]; + + 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); + + evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); + if (evsel == NULL) { + if (tracefs_configured()) + pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); + else if (debugfs_configured()) + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + else + pr_debug("Neither tracefs or debugfs is enabled in this kernel\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_r(errno, sbuf, sizeof(sbuf))); + goto out_evsel_delete; + } + + for (cpu = 0; cpu < cpus->nr; ++cpu) { + unsigned int ncalls = nr_openat_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_r(errno, sbuf, sizeof(sbuf))); + goto out_close_fd; + } + for (i = 0; i < ncalls; ++i) { + fd = openat(0, "/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_openat_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; + } + } + + perf_evsel__free_counts(evsel); +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; +} diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c new file mode 100644 index 000000000000..6245221479d7 --- /dev/null +++ b/tools/perf/tests/openat-syscall-tp-fields.c @@ -0,0 +1,121 @@ +#include "perf.h" +#include "evlist.h" +#include "evsel.h" +#include "thread_map.h" +#include "tests.h" +#include "debug.h" + +int test__syscall_openat_tp_fields(void) +{ + struct record_opts opts = { + .target = { + .uid = UINT_MAX, + .uses_mmap = true, + }, + .no_buffering = 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(); + struct perf_evsel *evsel; + int err = -1, i, nr_events = 0, nr_polls = 0; + char sbuf[STRERR_BUFSIZE]; + + if (evlist == NULL) { + pr_debug("%s: perf_evlist__new\n", __func__); + goto out; + } + + evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); + 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); + + evlist->threads->map[0] = getpid(); + + err = perf_evlist__open(evlist); + if (err < 0) { + pr_debug("perf_evlist__open: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); + goto out_delete_evlist; + } + + err = perf_evlist__mmap(evlist, UINT_MAX, false); + if (err < 0) { + pr_debug("perf_evlist__mmap: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); + goto out_delete_evlist; + } + + perf_evlist__enable(evlist); + + /* + * Generate the event: + */ + openat(AT_FDCWD, 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) { + perf_evlist__mmap_consume(evlist, i); + continue; + } + + err = perf_evsel__parse_sample(evsel, event, &sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto out_delete_evlist; + } + + 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_delete_evlist; + } + + goto out_ok; + } + } + + if (nr_events == before) + perf_evlist__poll(evlist, 10); + + if (++nr_polls > 5) { + pr_debug("%s: no events!\n", __func__); + goto out_delete_evlist; + } + } +out_ok: + err = 0; +out_delete_evlist: + perf_evlist__delete(evlist); +out: + return err; +} diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c new file mode 100644 index 000000000000..9f9491bb8e48 --- /dev/null +++ b/tools/perf/tests/openat-syscall.c @@ -0,0 +1,61 @@ +#include "thread_map.h" +#include "evsel.h" +#include "debug.h" +#include "tests.h" + +int test__openat_syscall_event(void) +{ + int err = -1, fd; + struct perf_evsel *evsel; + unsigned int nr_openat_calls = 111, i; + struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); + char sbuf[STRERR_BUFSIZE]; + + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); + if (evsel == NULL) { + if (tracefs_configured()) + pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); + else if (debugfs_configured()) + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + else + pr_debug("Neither tracefs or debugfs is enabled in this kernel\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_r(errno, sbuf, sizeof(sbuf))); + goto out_evsel_delete; + } + + for (i = 0; i < nr_openat_calls; ++i) { + fd = openat(0, "/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_openat_calls) { + pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", + nr_openat_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; +}