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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 <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1512482591-4646-10-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2017-12-05 22:03:09 +08:00 committed by Arnaldo Carvalho de Melo
parent 14e72a21c7
commit 73c0ca1eee
4 changed files with 8 additions and 4 deletions
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2
tools/perf/tests/thread-map.c
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);

3
tools/perf/util/evlist.c
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;

5
tools/perf/util/thread_map.c
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);
}

2
tools/perf/util/thread_map.h
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);