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-rw-r--r--tools/perf/builtin-timechart.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index b42f337c17d9..825283794985 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1034,17 +1034,19 @@ static struct perf_event_ops event_ops = {
1034 .process_fork_event = process_fork_event, 1034 .process_fork_event = process_fork_event,
1035 .process_exit_event = process_exit_event, 1035 .process_exit_event = process_exit_event,
1036 .process_sample_event = queue_sample_event, 1036 .process_sample_event = queue_sample_event,
1037 .sample_type_check = perf_session__has_traces,
1038}; 1037};
1039 1038
1040static int __cmd_timechart(void) 1039static int __cmd_timechart(void)
1041{ 1040{
1042 struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0); 1041 struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
1043 int ret; 1042 int ret = -EINVAL;
1044 1043
1045 if (session == NULL) 1044 if (session == NULL)
1046 return -ENOMEM; 1045 return -ENOMEM;
1047 1046
1047 if (!perf_session__has_traces(session, "timechart record"))
1048 goto out_delete;
1049
1048 ret = perf_session__process_events(session, &event_ops); 1050 ret = perf_session__process_events(session, &event_ops);
1049 if (ret) 1051 if (ret)
1050 goto out_delete; 1052 goto out_delete;