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-rw-r--r--tools/perf/util/event.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 9b7d4d333111..752709ccfb00 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -75,6 +75,9 @@ struct throttle_event {
PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
PERF_SAMPLE_IDENTIFIER)
+/* perf sample has 16 bits size limit */
+#define PERF_SAMPLE_MAX_SIZE (1 << 16)
+
struct sample_event {
struct perf_event_header header;
u64 array[];