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authorDmitry Koshelev <karaghiozis@gmail.com>2021-05-06 13:11:49 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-05-10 09:01:00 -0300
commita11c9a6e472457cf9eeafb585fc5c912f51d1b23 (patch)
treeda235c9b870b40c221e702bdd69d16e2016c1cc9 /tools
parent7aa3c9eabdf76017679e975e2ffd50cde3c010b8 (diff)
perf session: Fix swapping of cpu_map and stat_config records
'data' field in perf_record_cpu_map_data struct is 16-bit wide and so should be swapped using bswap_16(). 'nr' field in perf_record_stat_config struct should be swapped before being used for size calculation. Signed-off-by: Dmitry Koshelev <karaghiozis@gmail.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210506131244.13328-1-karaghiozis@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/session.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index a12cf4f0e97a..106b3d60881a 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -904,7 +904,7 @@ static void perf_event__cpu_map_swap(union perf_event *event,
struct perf_record_record_cpu_map *mask;
unsigned i;
- data->type = bswap_64(data->type);
+ data->type = bswap_16(data->type);
switch (data->type) {
case PERF_CPU_MAP__CPUS:
@@ -937,7 +937,7 @@ static void perf_event__stat_config_swap(union perf_event *event,
{
u64 size;
- size = event->stat_config.nr * sizeof(event->stat_config.data[0]);
+ size = bswap_64(event->stat_config.nr) * sizeof(event->stat_config.data[0]);
size += 1; /* nr item itself */
mem_bswap_64(&event->stat_config.nr, size);
}