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);
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;
}
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;