Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH 2/3] perf tools: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample() | Date | Tue, 16 Jan 2018 15:14:51 +0200 |
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PERF_SAMPLE_CPU contains the cpu number in the first 4 bytes and the second 4 bytes are reserved. Ensure the reserved bytes are zero in perf_event__synthesize_sample().
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/util/evsel.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8f971a2301d1..7d066e83abe8 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2523,6 +2523,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, if (type & PERF_SAMPLE_CPU) { u.val32[0] = sample->cpu; + u.val32[1] = 0; if (swapped) { /* * Inverse of what is done in perf_evsel__parse_sample -- 1.9.1
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