diff options
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index be56f3efa413..4910194acaa6 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -85,6 +85,7 @@ struct report { bool group_set; bool stitch_lbr; bool disable_order; + bool skip_empty; int max_stack; struct perf_read_values show_threads_values; struct annotation_options annotation_opts; @@ -530,6 +531,9 @@ static int evlist__tty_browse_hists(struct evlist *evlist, struct report *rep, c if (symbol_conf.event_group && !evsel__is_group_leader(pos)) continue; + if (rep->skip_empty && !hists->stats.nr_samples) + continue; + hists__fprintf_nr_sample_events(hists, rep, evname, stdout); if (rep->total_cycles_mode) { @@ -731,8 +735,8 @@ static int stats_print(struct report *rep) { struct perf_session *session = rep->session; - perf_session__fprintf_nr_events(session, stdout); - perf_evlist__fprintf_nr_events(session->evlist, stdout); + perf_session__fprintf_nr_events(session, stdout, rep->skip_empty); + evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty); return 0; } @@ -944,8 +948,10 @@ static int __cmd_report(struct report *rep) perf_session__fprintf_dsos(session, stdout); if (dump_trace) { - perf_session__fprintf_nr_events(session, stdout); - evlist__fprintf_nr_events(session->evlist, stdout); + perf_session__fprintf_nr_events(session, stdout, + rep->skip_empty); + evlist__fprintf_nr_events(session->evlist, stdout, + rep->skip_empty); return 0; } } @@ -1313,6 +1319,8 @@ int cmd_report(int argc, const char **argv) "Sort all blocks by 'Sampled Cycles%'"), OPT_BOOLEAN(0, "disable-order", &report.disable_order, "Disable raw trace ordering"), + OPT_BOOLEAN(0, "skip-empty", &report.skip_empty, + "Do not display empty (or dummy) events in the output"), OPT_END() }; struct perf_data data = { |