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| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-01-16 15:14:51 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-01-18 09:00:45 -0300 |
| commit | 59a87fdad1467d228acc5cb1303b0b568a9e86a8 (patch) | |
| tree | 74f556f50cf636b268fc112b0c9bffb297abc0b7 | |
| parent | a10eb530ae497e2411525fc1f5ec73f39eb11c11 (diff) | |
| download | linux-59a87fdad1467d228acc5cb1303b0b568a9e86a8.tar.bz2 | |
perf evsel: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample()
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>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1516108492-21401-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/evsel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 85eb84dfdf91..44032679180f 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2533,6 +2533,7 @@ 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 |