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perf thread_map: Enumerate all threads from /proc

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This patch calls thread_map__new_all_cpus() to enumerate all threads
from /proc if per-thread flag is enabled.

Signed-off-by: Jin Yao <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jin Yao authored and Arnaldo Carvalho de Melo committed 2017-12-27 12:15:46 -03:00
1 parent 14e72a21c7
commit 73c0ca1eee
4 files changed
+8 -4
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tools/perf/tests/thread-map.c
+1 -1
View File
@@ -105,7 +105,7 @@ int test__thread_map_remove(struct test *test __maybe_unused, int subtest __mayb
TEST_ASSERT_VAL("failed to allocate map string",
asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
threads = thread_map__new_str(str, NULL, 0);
threads = thread_map__new_str(str, NULL, 0, false);
TEST_ASSERT_VAL("failed to allocate thread_map",
threads);
tools/perf/util/evlist.c
+2 -1
View File
@@ -1105,7 +1105,8 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
struct cpu_map *cpus;
struct thread_map *threads;
threads = thread_map__new_str(target->pid, target->tid, target->uid);
threads = thread_map__new_str(target->pid, target->tid, target->uid,
target->per_thread);
if (!threads)
return -1;
tools/perf/util/thread_map.c
+4 -1
View File
@@ -323,7 +323,7 @@ out_free_threads:
}
struct thread_map *thread_map__new_str(const char *pid, const char *tid,
uid_t uid)
uid_t uid, bool per_thread)
{
if (pid)
return thread_map__new_by_pid_str(pid);
@@ -331,6 +331,9 @@ struct thread_map *thread_map__new_str(const char *pid, const char *tid,
if (!tid && uid != UINT_MAX)
return thread_map__new_by_uid(uid);
if (per_thread)
return thread_map__new_all_cpus();
return thread_map__new_by_tid_str(tid);
}
tools/perf/util/thread_map.h
+1 -1
View File
@@ -31,7 +31,7 @@ struct thread_map *thread_map__get(struct thread_map *map);
void thread_map__put(struct thread_map *map);
struct thread_map *thread_map__new_str(const char *pid,
const char *tid, uid_t uid);
const char *tid, uid_t uid, bool per_thread);
struct thread_map *thread_map__new_by_tid_str(const char *tid_str);