diff options
| -rw-r--r-- | tools/perf/builtin-report.c | 17 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 10 |
2 files changed, 24 insertions, 3 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 91ed41cc7d88..8361890176c2 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -752,6 +752,22 @@ static int count_sample_event(struct perf_tool *tool __maybe_unused, return 0; } +static int count_lost_samples_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine __maybe_unused) +{ + struct report *rep = container_of(tool, struct report, tool); + struct evsel *evsel; + + evsel = evlist__id2evsel(rep->session->evlist, sample->id); + if (evsel) { + hists__inc_nr_lost_samples(evsel__hists(evsel), + event->lost_samples.lost); + } + return 0; +} + static int process_attr(struct perf_tool *tool __maybe_unused, union perf_event *event, struct evlist **pevlist); @@ -761,6 +777,7 @@ static void stats_setup(struct report *rep) memset(&rep->tool, 0, sizeof(rep->tool)); rep->tool.attr = process_attr; rep->tool.sample = count_sample_event; + rep->tool.lost_samples = count_lost_samples_event; rep->tool.no_warn = true; } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 8cab049f7119..06f5dbf213ad 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -2683,12 +2683,16 @@ size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp, evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); - if (skip_empty && !hists->stats.nr_samples) + if (skip_empty && !hists->stats.nr_samples && !hists->stats.nr_lost_samples) continue; ret += fprintf(fp, "%s stats:\n", evsel__name(pos)); - ret += fprintf(fp, "%16s events: %10d\n", - "SAMPLE", hists->stats.nr_samples); + if (hists->stats.nr_samples) + ret += fprintf(fp, "%16s events: %10d\n", + "SAMPLE", hists->stats.nr_samples); + if (hists->stats.nr_lost_samples) + ret += fprintf(fp, "%16s events: %10d\n", + "LOST_SAMPLES", hists->stats.nr_lost_samples); } return ret; |