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authorJin Yao <yao.jin@linux.intel.com>2017-12-05 22:03:09 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-12-27 12:15:46 -0300
commit73c0ca1eee3d2c96898e05a16be49da2a6d590b2 (patch)
tree7fd69611c5c1c26ba0ee8fae4b3246d6c4881f81 /tools/perf
parent14e72a21c783654ca7b6c897b6d6508c1abccd7d (diff)
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: 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>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/tests/thread-map.c2
-rw-r--r--tools/perf/util/evlist.c3
-rw-r--r--tools/perf/util/thread_map.c5
-rw-r--r--tools/perf/util/thread_map.h2
4 files changed, 8 insertions, 4 deletions
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index dbcb6a19b375..4de1939b58ba 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -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);
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 3570355bcf39..f0a5e09c4071 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -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;
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 2b653853eec2..3e1038f6491c 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -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);
}
diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h
index 07a765fb22bb..0a806b99e73c 100644
--- a/tools/perf/util/thread_map.h
+++ b/tools/perf/util/thread_map.h
@@ -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);