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-rw-r--r--include/linux/perf_event.h6
-rw-r--r--include/uapi/linux/perf_event.h1
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index f291275ffd71..b8b195fbe787 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -838,6 +838,12 @@ extern void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs);
+static inline bool
+is_default_overflow_handler(struct perf_event *event)
+{
+ return (event->overflow_handler == perf_event_output);
+}
+
extern void
perf_event_header__init_id(struct perf_event_header *header,
struct perf_sample_data *data,
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 1afe9623c1a7..a3c19034d5f8 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -401,6 +401,7 @@ struct perf_event_attr {
#define PERF_EVENT_IOC_SET_FILTER _IOW('$', 6, char *)
#define PERF_EVENT_IOC_ID _IOR('$', 7, __u64 *)
#define PERF_EVENT_IOC_SET_BPF _IOW('$', 8, __u32)
+#define PERF_EVENT_IOC_PAUSE_OUTPUT _IOW('$', 9, __u32)
enum perf_event_ioc_flags {
PERF_IOC_FLAG_GROUP = 1U << 0,
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