1 files changed, 27 insertions, 0 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 1beb3e360521..c02ea537d5a7 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -800,6 +800,29 @@ static void perf_event__process_sample(struct perf_tool *tool,
 	addr_location__put(&al);
 }
 
+static void
+perf_top__process_lost(struct perf_top *top, union perf_event *event,
+		       struct perf_evsel *evsel)
+{
+	struct hists *hists = evsel__hists(evsel);
+
+	top->lost += event->lost.lost;
+	top->lost_total += event->lost.lost;
+	hists->stats.total_lost += event->lost.lost;
+}
+
+static void
+perf_top__process_lost_samples(struct perf_top *top,
+			       union perf_event *event,
+			       struct perf_evsel *evsel)
+{
+	struct hists *hists = evsel__hists(evsel);
+
+	top->lost += event->lost_samples.lost;
+	top->lost_total += event->lost_samples.lost;
+	hists->stats.total_lost_samples += event->lost_samples.lost;
+}
+
 static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
 {
 	struct record_opts *opts = &top->record_opts;
@@ -865,6 +888,10 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
 		if (event->header.type == PERF_RECORD_SAMPLE) {
 			perf_event__process_sample(&top->tool, event, evsel,
 						   &sample, machine);
+		} else if (event->header.type == PERF_RECORD_LOST) {
+			perf_top__process_lost(top, event, evsel);
+		} else if (event->header.type == PERF_RECORD_LOST_SAMPLES) {
+			perf_top__process_lost_samples(top, event, evsel);
 		} else if (event->header.type < PERF_RECORD_MAX) {
 			hists__inc_nr_events(evsel__hists(evsel), event->header.type);
 			machine__process_event(machine, event, &sample);