xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf tools: Add event_update event scale type

Browse Source 
A__allocdding scale type 'event update' event, that stores/transfer
events scale value. The PMU events can define the scale
value which is used to multiply events data.

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/1445784728-21732-23-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:38 +01:00
committed by Arnaldo Carvalho de Melo
parent a6e5281780
commit daeecbc0c4
4 changed files with 55 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
tools/perf/tests/event_update.c
View File

@@ -18,6 +18,22 @@ static int process_event_unit(struct perf_tool *tool __maybe_unused,
return 0;
}
static int process_event_scale(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct event_update_event *ev = (struct event_update_event *) event;
struct event_update_event_scale *ev_data;
ev_data = (struct event_update_event_scale *) ev->data;
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
TEST_ASSERT_VAL("wrong scale", ev_data->scale = 0.123);
return 0;
}
int test__event_update(int subtest __maybe_unused)
{
struct perf_evlist *evlist;
@@ -38,5 +54,10 @@ int test__event_update(int subtest __maybe_unused)
TEST_ASSERT_VAL("failed to synthesize attr update unit",
!perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
evsel->scale = 0.123;
TEST_ASSERT_VAL("failed to synthesize attr update scale",
!perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
return 0;
}