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authorAdrian Hunter <adrian.hunter@intel.com>2018-01-16 15:14:51 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-01-18 09:00:45 -0300
commit59a87fdad1467d228acc5cb1303b0b568a9e86a8 (patch)
tree74f556f50cf636b268fc112b0c9bffb297abc0b7 /tools/perf
parenta10eb530ae497e2411525fc1f5ec73f39eb11c11 (diff)
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>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/evsel.c1
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