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-rw-r--r--tools/perf/builtin-record.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index a01c8ae1ee07..5e01c070dbf2 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -637,17 +637,25 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
* Let the child rip
*/
if (forks) {
- union perf_event event;
+ union perf_event *event;
+
+ event = malloc(sizeof(event->comm) + machine->id_hdr_size);
+ if (event == NULL) {
+ err = -ENOMEM;
+ goto out_child;
+ }
+
/*
* Some H/W events are generated before COMM event
* which is emitted during exec(), so perf script
* cannot see a correct process name for those events.
* Synthesize COMM event to prevent it.
*/
- perf_event__synthesize_comm(tool, &event,
+ perf_event__synthesize_comm(tool, event,
rec->evlist->workload.pid,
process_synthesized_event,
machine);
+ free(event);
perf_evlist__start_workload(rec->evlist);
}