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charset="UTF-8" In count_lost_samples_events try to avoid searching for the evsel for the sample, just use the variable within the sample. Signed-off-by: Ian Rogers --- tools/perf/builtin-report.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ff7117c5470f..3deb21f4d781 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -788,9 +788,11 @@ static int count_lost_samples_event(const struct perf_tool *tool, struct machine *machine __maybe_unused) { struct report *rep = container_of(tool, struct report, tool); - struct evsel *evsel; + struct evsel *evsel = sample->evsel; + + if (!evsel) + evsel = evlist__id2evsel(rep->session->evlist, sample->id); - evsel = evlist__id2evsel(rep->session->evlist, sample->id); if (evsel) { struct hists *hists = evsel__hists(evsel); u32 count = event->lost_samples.lost; -- 2.53.0.1213.gd9a14994de-goog