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authorJiri Olsa <jolsa@kernel.org>2015-10-25 15:51:20 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-17 14:38:16 -0300
commit99471c967a00c875bb5d61f377d4267904545499 (patch)
tree5f8a482dfb284dfb7a9972c1a77f40e4bc76dc46 /tools/perf/tests
parent5f3339d2e83ca587c2e13c3e37e1b5fb7c68ebe5 (diff)
downloadlinux-99471c967a00c875bb5d61f377d4267904545499.tar.gz
perf thread_map: Add thread_map event sythesize function
Introduce the perf_event__synthesize_thread_map2 function to synthesize struct thread_map. The perf_event__synthesize_thread_map name is already taken for synthesizing the complete threads data (comm/mmap/fork). Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Kan Liang <kan.liang@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1445784728-21732-5-git-send-email-jolsa@kernel.org [ Rename thread_map_data_event to thread_map_event_entry ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r--tools/perf/tests/builtin-test.c4
-rw-r--r--tools/perf/tests/tests.h1
-rw-r--r--tools/perf/tests/thread-map.c29
3 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 0372d5945910..745bdb02d22b 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -180,6 +180,10 @@ static struct test generic_tests[] = {
},
},
{
+ .desc = "Test thread map synthesize",
+ .func = test__thread_map_synthesize,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index a0733aaad081..3fe52ccc4d05 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -79,6 +79,7 @@ int test__bpf(int subtest);
const char *test__bpf_subtest_get_desc(int subtest);
int test__bpf_subtest_get_nr(void);
int test_session_topology(int subtest);
+int test__thread_map_synthesize(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index 2be02d303e82..ac5be2578367 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -40,3 +40,32 @@ int test__thread_map(int subtest __maybe_unused)
thread_map__put(map);
return 0;
}
+
+static int process_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct thread_map_event *map = &event->thread_map;
+
+ TEST_ASSERT_VAL("wrong nr", map->nr == 1);
+ TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
+ TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, "perf"));
+ return 0;
+}
+
+int test__thread_map_synthesize(int subtest __maybe_unused)
+{
+ struct thread_map *threads;
+
+ /* test map on current pid */
+ threads = thread_map__new_by_pid(getpid());
+ TEST_ASSERT_VAL("failed to alloc map", threads);
+
+ thread_map__read_comms(threads);
+
+ TEST_ASSERT_VAL("failed to synthesize map",
+ !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
+
+ return 0;
+}