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-rw-r--r--include/linux/perf_counter.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index bcbf1c43ed42..6a384f04755a 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -335,6 +335,18 @@ enum perf_event_type {
PERF_EVENT_FORK = 7,
/*
+ * struct {
+ * struct perf_event_header header;
+ * u32 pid, tid;
+ * u64 value;
+ * { u64 time_enabled; } && PERF_FORMAT_ENABLED
+ * { u64 time_running; } && PERF_FORMAT_RUNNING
+ * { u64 parent_id; } && PERF_FORMAT_ID
+ * };
+ */
+ PERF_EVENT_READ = 8,
+
+ /*
* When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field
* will be PERF_SAMPLE_*
*