Commit 73c0ca1e authored by Jin Yao's avatar Jin Yao Committed by Arnaldo Carvalho de Melo
Browse files

perf thread_map: Enumerate all threads from /proc 



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

Signed-off-by: default avatarJin Yao <yao.jin@linux.intel.com>
Acked-by: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 14e72a21

tools/perf/tests/thread-map.c

+1 −1
Original line number Diff line number Diff line
@@ -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
Original line number Diff line number Diff line
@@ -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
Original line number Diff line number Diff line
@@ -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
Original line number Diff line number Diff line
@@ -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);

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