diff options
| -rw-r--r-- | tools/perf/builtin-report.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index f9a99a1ce60..dddcc7ea2be 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -350,6 +350,12 @@ static int __cmd_report(void) perf_session__fprintf_dsos(session, stdout); next = rb_first(&session->hists_tree); + + if (next == NULL) { + ui__warning("The %s file has no samples!\n", input_name); + goto out_delete; + } + while (next) { struct hists *hists; |