Commit-ID: 59a87fdad1467d228acc5cb1303b0b568a9e86a8 Gitweb: https://git.kernel.org/tip/59a87fdad1467d228acc5cb1303b0b568a9e86a8 Author: Adrian Hunter <[email protected]> AuthorDate: Tue, 16 Jan 2018 15:14:51 +0200 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Thu, 18 Jan 2018 09:00:45 -0300
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 <[email protected]> Acked-by: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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 85eb84d..4403267 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
