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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-09-26 12:28:26 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-26 12:28:26 -0300
commit0b80f8b32f31f80e001fb6355fd86769555c4a3c (patch)
tree7cd416d7b770b9765f506e73ded95f30691798c3
parenta91f408e4435d4f572392295ee47756b6f5011c7 (diff)
downloadlinux-linaro-stable-0b80f8b32f31f80e001fb6355fd86769555c4a3c.tar.gz
perf evsel: Improve tracepoint constructor setup
It needs to properly set the sample_type, sample_period and the KVM related perf_event_attr fields. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-v9x3q9rv4caxtox7wtjpchq5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/evsel.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 00936ad29ff2..2467eaf2968f 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -117,14 +117,18 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
if (evsel != NULL) {
struct perf_event_attr attr = {
- .type = PERF_TYPE_TRACEPOINT,
+ .type = PERF_TYPE_TRACEPOINT,
+ .sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
};
evsel->tp_format = event_format__new(sys, name);
if (evsel->tp_format == NULL)
goto out_free;
+ event_attr_init(&attr);
attr.config = evsel->tp_format->id;
+ attr.sample_period = 1;
perf_evsel__init(evsel, &attr, idx);
evsel->name = evsel->tp_format->name;
}