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-rw-r--r--include/linux/perf_event.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 0dcfd265beed..ba9467972c09 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -130,6 +130,15 @@ struct hw_perf_event_extra {
};
/**
+ * hw_perf_event::flag values
+ *
+ * PERF_EVENT_FLAG_ARCH bits are reserved for architecture-specific
+ * usage.
+ */
+#define PERF_EVENT_FLAG_ARCH 0x0000ffff
+#define PERF_EVENT_FLAG_USER_READ_CNT 0x80000000
+
+/**
* struct hw_perf_event - performance event hardware details:
*/
struct hw_perf_event {