[PATCH 2/3] perf tools: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample()

[Adrian Hunter]

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@xxxxxxxxx>
---
 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