Signed-off-by: Andrew Vagin <ava...@openvz.org>
---
tools/perf/builtin-record.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6ab58cc..e3b7fc4 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -62,6 +62,7 @@ static bool no_samples
= false;
static bool sample_address = false;
static bool sample_time = false;
static bool no_buildid = false;
+static bool period = false;
static bool no_buildid_cache = false;
static struct perf_evlist *evsel_list;
@@ -185,6 +186,9 @@ static void config_attr(struct perf_evsel *evsel, struct
perf_evlist *evlist)
if (evlist->nr_entries > 1)
attr->sample_type |= PERF_SAMPLE_ID;
+ if (period)
+ attr->sample_type |= PERF_SAMPLE_PERIOD;
+
/*
* We default some events to a 1 default interval. But keep
* it a weak assumption overridable by the user.
@@ -803,6 +807,7 @@ const struct option record_options[] = {
OPT_BOOLEAN('d', "data", &sample_address,
"Sample addresses"),
OPT_BOOLEAN('T', "timestamp", &sample_time, "Sample timestamps"),
+ OPT_BOOLEAN('P', "period", &period, "Sample period"),
OPT_BOOLEAN('n', "no-samples", &no_samples,
"don't sample"),
OPT_BOOLEAN('N', "no-buildid-cache", &no_buildid_cache,
--
1.7.1
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