perf tools: A thread's machine can be found via thread->mg->machine

So stop passing both machine and thread to several thread methods,
reducing function signature length.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ckcy19dcp1jfkmdihdjcqdn1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
index 9892b0f0bec440bf513f8ba7737e4329e1a6a038..3bb50eac5542fc62c4482c92f4478806e731a9f7 100644 (file)
--- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c
+++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
@@ -232,8 +232,7 @@ out:
  *     index:  of callchain entry that needs to be ignored (if any)
  *     -1      if no entry needs to be ignored or in case of errors
  */
-int arch_skip_callchain_idx(struct machine *machine, struct thread *thread,
-                               struct ip_callchain *chain)
+int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
 {
        struct addr_location al;
        struct dso *dso = NULL;
@@ -246,7 +245,7 @@ int arch_skip_callchain_idx(struct machine *machine, struct thread *thread,
 
        ip = chain->ips[2];
 
-       thread__find_addr_location(thread, machine, PERF_RECORD_MISC_USER,
+       thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
                        MAP__FUNCTION, ip, &al);
 
        if (al.map)

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index de99ca1bb94268d01c1baebb5757490c367ec912..06f1758951f19743a4e86ff2097d36c24af653b5 100644 (file)
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -217,8 +217,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
                goto repipe;
        }
 
-       thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-                             sample->ip, &al);
+       thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, &al);
 
        if (al.map != NULL) {
                if (!al.map->dso->hit) {

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 9708a12905715e78759c88c397dcf27d5c5a863b..b35517f2ceb57014e1fb35f2d65f89e8c50e4f05 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -379,7 +379,6 @@ static void print_sample_start(struct perf_sample *sample,
 
 static void print_sample_addr(union perf_event *event,
                          struct perf_sample *sample,
-                         struct machine *machine,
                          struct thread *thread,
                          struct perf_event_attr *attr)
 {
@@ -390,7 +389,7 @@ static void print_sample_addr(union perf_event *event,
        if (!sample_addr_correlates_sym(attr))
                return;
 
-       perf_event__preprocess_sample_addr(event, sample, machine, thread, &al);
+       perf_event__preprocess_sample_addr(event, sample, thread, &al);
 
        if (PRINT_FIELD(SYM)) {
                printf(" ");
@@ -438,7 +437,7 @@ static void print_sample_bts(union perf_event *event,
            ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
             !output[attr->type].user_set)) {
                printf(" => ");
-               print_sample_addr(event, sample, al->machine, thread, attr);
+               print_sample_addr(event, sample, thread, attr);
        }
 
        if (print_srcline_last)
@@ -475,7 +474,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
                event_format__print(evsel->tp_format, sample->cpu,
                                    sample->raw_data, sample->raw_size);
        if (PRINT_FIELD(ADDR))
-               print_sample_addr(event, sample, al->machine, thread, attr);
+               print_sample_addr(event, sample, thread, attr);
 
        if (PRINT_FIELD(IP)) {
                if (!symbol_conf.use_callchain)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 35b425b6293f759b5119d8fb6a07d2ab2303d6f7..f5fb256d90d55825fc9e0ecfbd57e1a84eb9806d 100644 (file)
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -528,7 +528,7 @@ static const char *cat_backtrace(union perf_event *event,
                }
 
                tal.filtered = 0;
-               thread__find_addr_location(al.thread, machine, cpumode,
+               thread__find_addr_location(al.thread, cpumode,
                                           MAP__FUNCTION, ip, &tal);
 
                if (tal.sym)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index fb126459b134ace86ab70b167b67d836a5bd2000..83a4835c8118c5d4fa45aa9f4010e6e4cf33e45d 100644 (file)
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1846,7 +1846,7 @@ static int trace__pgfault(struct trace *trace,
        if (trace->summary_only)
                return 0;
 
-       thread__find_addr_location(thread, trace->host, cpumode, MAP__FUNCTION,
+       thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
                              sample->ip, &al);
 
        trace__fprintf_entry_head(trace, thread, 0, sample->time, trace->output);
@@ -1859,11 +1859,11 @@ static int trace__pgfault(struct trace *trace,
 
        fprintf(trace->output, "] => ");
 
-       thread__find_addr_location(thread, trace->host, cpumode, MAP__VARIABLE,
+       thread__find_addr_location(thread, cpumode, MAP__VARIABLE,
                                   sample->addr, &al);
 
        if (!al.map) {
-               thread__find_addr_location(thread, trace->host, cpumode,
+               thread__find_addr_location(thread, cpumode,
                                           MAP__FUNCTION, sample->addr, &al);
 
                if (al.map)

diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 67f2d63235587be7a6c3b7725727d28c1d4022f0..144a412364560de944723dad91ae494eb67cb1bf 100644 (file)
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -145,8 +145,7 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
 
        pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr);
 
-       thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, addr,
-                             &al);
+       thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
        if (!al.map || !al.map->dso) {
                pr_debug("thread__find_addr_map failed\n");
                return -1;

diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c
index 4a456fef66ca06ab05cb76ccd9d79b18746ee9f0..2113f1c8611fb569b0fb6bc7f676477e7de0a666 100644 (file)
--- a/tools/perf/tests/mmap-thread-lookup.c
+++ b/tools/perf/tests/mmap-thread-lookup.c
@@ -187,7 +187,7 @@ static int mmap_events(synth_cb synth)
 
                pr_debug("looking for map %p\n", td->map);
 
-               thread__find_addr_map(thread, machine,
+               thread__find_addr_map(thread,
                                      PERF_RECORD_MISC_USER, MAP__FUNCTION,
                                      (unsigned long) (td->map + 1), &al);
 

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index a904a4cfe7d3902e0a8075cc34285c7bc9cf1318..2e7c68e39330d46638111adb8145eb9b9735c64f 100644 (file)
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -33,8 +33,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
                return -1;
        }
 
-       thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-                             sample->ip, &al);
+       thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, &al);
 
        if (al.map != NULL)
                al.map->dso->hit = 1;

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 94cfefddf4db033eb2af2f7a4adad6e6c6147227..3caccc2c173c32b1baef5b59f9366cf4aa09f9fb 100644 (file)
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -184,11 +184,9 @@ static inline void callchain_cursor_snapshot(struct callchain_cursor *dest,
 }
 
 #ifdef HAVE_SKIP_CALLCHAIN_IDX
-extern int arch_skip_callchain_idx(struct machine *machine,
-                       struct thread *thread, struct ip_callchain *chain);
+extern int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain);
 #else
-static inline int arch_skip_callchain_idx(struct machine *machine __maybe_unused,
-                       struct thread *thread __maybe_unused,
+static inline int arch_skip_callchain_idx(struct thread *thread __maybe_unused,
                        struct ip_callchain *chain __maybe_unused)
 {
        return -1;

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 4af6b279e34a94881da3e838ff41f407aeb0cbfc..e00a29fb099f3405ff18cea5a4997c5270668f84 100644 (file)
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -730,12 +730,12 @@ int perf_event__process(struct perf_tool *tool __maybe_unused,
        return machine__process_event(machine, event, sample);
 }
 
-void thread__find_addr_map(struct thread *thread,
-                          struct machine *machine, u8 cpumode,
+void thread__find_addr_map(struct thread *thread, u8 cpumode,
                           enum map_type type, u64 addr,
                           struct addr_location *al)
 {
        struct map_groups *mg = thread->mg;
+       struct machine *machine = mg->machine;
        bool load_map = false;
 
        al->machine = machine;
@@ -806,14 +806,14 @@ try_again:
        }
 }
 
-void thread__find_addr_location(struct thread *thread, struct machine *machine,
+void thread__find_addr_location(struct thread *thread,
                                u8 cpumode, enum map_type type, u64 addr,
                                struct addr_location *al)
 {
-       thread__find_addr_map(thread, machine, cpumode, type, addr, al);
+       thread__find_addr_map(thread, cpumode, type, addr, al);
        if (al->map != NULL)
                al->sym = map__find_symbol(al->map, al->addr,
-                                          machine->symbol_filter);
+                                          thread->mg->machine->symbol_filter);
        else
                al->sym = NULL;
 }
@@ -842,8 +842,7 @@ int perf_event__preprocess_sample(const union perf_event *event,
            machine->vmlinux_maps[MAP__FUNCTION] == NULL)
                machine__create_kernel_maps(machine);
 
-       thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-                             sample->ip, al);
+       thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, al);
        dump_printf(" ...... dso: %s\n",
                    al->map ? al->map->dso->long_name :
                        al->level == 'H' ? "[hypervisor]" : "<not found>");
@@ -902,16 +901,14 @@ bool sample_addr_correlates_sym(struct perf_event_attr *attr)
 
 void perf_event__preprocess_sample_addr(union perf_event *event,
                                        struct perf_sample *sample,
-                                       struct machine *machine,
                                        struct thread *thread,
                                        struct addr_location *al)
 {
        u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
 
-       thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-                             sample->addr, al);
+       thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->addr, al);
        if (!al->map)
-               thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
+               thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
                                      sample->addr, al);
 
        al->cpu = sample->cpu;

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 5699e7e2a7909e04ddfa40c59c8459109d8b1d46..5f0e0b89e130649fec5329b739b40380817e7550 100644 (file)
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -322,7 +322,6 @@ bool is_bts_event(struct perf_event_attr *attr);
 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
 void perf_event__preprocess_sample_addr(union perf_event *event,
                                        struct perf_sample *sample,
-                                       struct machine *machine,
                                        struct thread *thread,
                                        struct addr_location *al);
 

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index c70b3ff7b28929edb13f53ae03f57942b7546baf..08e63fdbd14fb6cb04128173c9346119640487cb 100644 (file)
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1289,7 +1289,7 @@ static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
        return 0;
 }
 
-static void ip__resolve_ams(struct machine *machine, struct thread *thread,
+static void ip__resolve_ams(struct thread *thread,
                            struct addr_map_symbol *ams,
                            u64 ip)
 {
@@ -1303,7 +1303,7 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread,
         * Thus, we have to try consecutively until we find a match
         * or else, the symbol is unknown
         */
-       thread__find_cpumode_addr_location(thread, machine, MAP__FUNCTION, ip, &al);
+       thread__find_cpumode_addr_location(thread, MAP__FUNCTION, ip, &al);
 
        ams->addr = ip;
        ams->al_addr = al.addr;
@@ -1311,23 +1311,21 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread,
        ams->map = al.map;
 }
 
-static void ip__resolve_data(struct machine *machine, struct thread *thread,
+static void ip__resolve_data(struct thread *thread,
                             u8 m, struct addr_map_symbol *ams, u64 addr)
 {
        struct addr_location al;
 
        memset(&al, 0, sizeof(al));
 
-       thread__find_addr_location(thread, machine, m, MAP__VARIABLE, addr,
-                                  &al);
+       thread__find_addr_location(thread, m, MAP__VARIABLE, addr, &al);
        if (al.map == NULL) {
                /*
                 * some shared data regions have execute bit set which puts
                 * their mapping in the MAP__FUNCTION type array.
                 * Check there as a fallback option before dropping the sample.
                 */
-               thread__find_addr_location(thread, machine, m, MAP__FUNCTION, addr,
-                                          &al);
+               thread__find_addr_location(thread, m, MAP__FUNCTION, addr, &al);
        }
 
        ams->addr = addr;
@@ -1344,9 +1342,8 @@ struct mem_info *sample__resolve_mem(struct perf_sample *sample,
        if (!mi)
                return NULL;
 
-       ip__resolve_ams(al->machine, al->thread, &mi->iaddr, sample->ip);
-       ip__resolve_data(al->machine, al->thread, al->cpumode,
-                        &mi->daddr, sample->addr);
+       ip__resolve_ams(al->thread, &mi->iaddr, sample->ip);
+       ip__resolve_data(al->thread, al->cpumode, &mi->daddr, sample->addr);
        mi->data_src.val = sample->data_src;
 
        return mi;
@@ -1363,15 +1360,14 @@ struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
                return NULL;
 
        for (i = 0; i < bs->nr; i++) {
-               ip__resolve_ams(al->machine, al->thread, &bi[i].to, bs->entries[i].to);
-               ip__resolve_ams(al->machine, al->thread, &bi[i].from, bs->entries[i].from);
+               ip__resolve_ams(al->thread, &bi[i].to, bs->entries[i].to);
+               ip__resolve_ams(al->thread, &bi[i].from, bs->entries[i].from);
                bi[i].flags = bs->entries[i].flags;
        }
        return bi;
 }
 
-static int machine__resolve_callchain_sample(struct machine *machine,
-                                            struct thread *thread,
+static int thread__resolve_callchain_sample(struct thread *thread,
                                             struct ip_callchain *chain,
                                             struct symbol **parent,
                                             struct addr_location *root_al,
@@ -1395,7 +1391,7 @@ static int machine__resolve_callchain_sample(struct machine *machine,
         * Based on DWARF debug information, some architectures skip
         * a callchain entry saved by the kernel.
         */
-       skip_idx = arch_skip_callchain_idx(machine, thread, chain);
+       skip_idx = arch_skip_callchain_idx(thread, chain);
 
        for (i = 0; i < chain_nr; i++) {
                u64 ip;
@@ -1437,7 +1433,7 @@ static int machine__resolve_callchain_sample(struct machine *machine,
                }
 
                al.filtered = 0;
-               thread__find_addr_location(thread, machine, cpumode,
+               thread__find_addr_location(thread, cpumode,
                                           MAP__FUNCTION, ip, &al);
                if (al.sym != NULL) {
                        if (sort__has_parent && !*parent &&
@@ -1476,11 +1472,8 @@ int machine__resolve_callchain(struct machine *machine,
                               struct addr_location *root_al,
                               int max_stack)
 {
-       int ret;
-
-       ret = machine__resolve_callchain_sample(machine, thread,
-                                               sample->callchain, parent,
-                                               root_al, max_stack);
+       int ret = thread__resolve_callchain_sample(thread, sample->callchain,
+                                                  parent, root_al, max_stack);
        if (ret)
                return ret;
 

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 8db9626f68358db95917e90f3865d80613cccb35..bf5bf858b7f6342c3381ac5e54a43776d67629e1 100644 (file)
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -198,7 +198,6 @@ int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
 }
 
 void thread__find_cpumode_addr_location(struct thread *thread,
-                                       struct machine *machine,
                                        enum map_type type, u64 addr,
                                        struct addr_location *al)
 {
@@ -211,8 +210,7 @@ void thread__find_cpumode_addr_location(struct thread *thread,
        };
 
        for (i = 0; i < ARRAY_SIZE(cpumodes); i++) {
-               thread__find_addr_location(thread, machine, cpumodes[i], type,
-                                          addr, al);
+               thread__find_addr_location(thread, cpumodes[i], type, addr, al);
                if (al->map)
                        break;
        }

diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 8c75fa774706352d22e2c4aa3390fb3350c89195..6ef9fe6ff8da2b8ea7a78ac0cdea95a4e3d25e7f 100644 (file)
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -54,16 +54,15 @@ void thread__insert_map(struct thread *thread, struct map *map);
 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
 size_t thread__fprintf(struct thread *thread, FILE *fp);
 
-void thread__find_addr_map(struct thread *thread, struct machine *machine,
+void thread__find_addr_map(struct thread *thread,
                           u8 cpumode, enum map_type type, u64 addr,
                           struct addr_location *al);
 
-void thread__find_addr_location(struct thread *thread, struct machine *machine,
+void thread__find_addr_location(struct thread *thread,
                                u8 cpumode, enum map_type type, u64 addr,
                                struct addr_location *al);
 
 void thread__find_cpumode_addr_location(struct thread *thread,
-                                       struct machine *machine,
                                        enum map_type type, u64 addr,
                                        struct addr_location *al);
 

diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 7419768c38b1f750fc756d370ab08a5d2b791429..f24b350ab192fa39332ee4d19ed54daabb05dc5c 100644 (file)
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -26,7 +26,7 @@ static int __report_module(struct addr_location *al, u64 ip,
        Dwfl_Module *mod;
        struct dso *dso = NULL;
 
-       thread__find_addr_location(ui->thread, ui->machine,
+       thread__find_addr_location(ui->thread,
                                   PERF_RECORD_MISC_USER,
                                   MAP__FUNCTION, ip, al);
 
@@ -89,7 +89,7 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr,
        struct addr_location al;
        ssize_t size;
 
-       thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+       thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
                              MAP__FUNCTION, addr, &al);
        if (!al.map) {
                pr_debug("unwind: no map for %lx\n", (unsigned long)addr);

diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 4d45c0dfe34347ef57527dd90f132e9067eb57e9..29acc8cccb5643d962ef42e05734516adedf466f 100644 (file)
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -284,7 +284,7 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
 {
        struct addr_location al;
 
-       thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+       thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
                              MAP__FUNCTION, ip, &al);
        return al.map;
 }
@@ -374,7 +374,7 @@ static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
        struct addr_location al;
        ssize_t size;
 
-       thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+       thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
                              MAP__FUNCTION, addr, &al);
        if (!al.map) {
                pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
@@ -476,14 +476,13 @@ static void put_unwind_info(unw_addr_space_t __maybe_unused as,
        pr_debug("unwind: put_unwind_info called\n");
 }
 
-static int entry(u64 ip, struct thread *thread, struct machine *machine,
+static int entry(u64 ip, struct thread *thread,
                 unwind_entry_cb_t cb, void *arg)
 {
        struct unwind_entry e;
        struct addr_location al;
 
-       thread__find_addr_location(thread, machine,
-                                  PERF_RECORD_MISC_USER,
+       thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
                                   MAP__FUNCTION, ip, &al);
 
        e.ip = ip;
@@ -586,7 +585,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
                unw_word_t ip;
 
                unw_get_reg(&c, UNW_REG_IP, &ip);
-               ret = ip ? entry(ip, ui->thread, ui->machine, cb, arg) : 0;
+               ret = ip ? entry(ip, ui->thread, cb, arg) : 0;
        }
 
        return ret;
@@ -611,7 +610,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
        if (ret)
                return ret;
 
-       ret = entry(ip, thread, machine, cb, arg);
+       ret = entry(ip, thread, cb, arg);
        if (ret)
                return -ENOMEM;