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authorJiri Olsa <jolsa@kernel.org>2015-10-25 15:51:38 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-17 15:11:59 -0300
commitdaeecbc0c431f15f492fb8d704080a02de6e2918 (patch)
tree519f4a04bef273b00954c04fdd7f199e7ddfc222 /tools/perf/tests
parenta6e5281780d1da65c15ce529707f43eb4a6df856 (diff)
downloadlinux-daeecbc0c431f15f492fb8d704080a02de6e2918.tar.gz
perf tools: Add event_update event scale type
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>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r--tools/perf/tests/event_update.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c
index 9cdf4c934977..a91fcefc9f67 100644
--- a/tools/perf/tests/event_update.c
+++ b/tools/perf/tests/event_update.c
@@ -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;
}