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-rw-r--r--include/linux/perf_event.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index de2c41758e2..cbf04cc1e63 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -969,6 +969,11 @@ extern int perf_event_overflow(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs);
+static inline bool is_sampling_event(struct perf_event *event)
+{
+ return event->attr.sample_period != 0;
+}
+
/*
* Return 1 for a software event, 0 for a hardware event
*/