perf tools: Add stat user level event

Adding a stat event to store a 'struct perf_counter_values' for a given
event/cpu/thread.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-15-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 4e87be2e1afa..f23f464c680a 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -229,6 +229,7 @@ enum perf_user_event_type { /* above any possible kernel type */
 	PERF_RECORD_THREAD_MAP			= 73,
 	PERF_RECORD_CPU_MAP			= 74,
 	PERF_RECORD_STAT_CONFIG			= 75,
+	PERF_RECORD_STAT			= 76,
 	PERF_RECORD_HEADER_MAX
 };
 
@@ -414,6 +415,23 @@ struct stat_config_event {
 	struct stat_config_event_entry	data[];
 };
 
+struct stat_event {
+	struct perf_event_header	header;
+
+	u64	id;
+	u32	cpu;
+	u32	thread;
+
+	union {
+		struct {
+			u64 val;
+			u64 ena;
+			u64 run;
+		};
+		u64 values[3];
+	};
+};
+
 union perf_event {
 	struct perf_event_header	header;
 	struct mmap_event		mmap;
@@ -439,6 +457,7 @@ union perf_event {
 	struct thread_map_event		thread_map;
 	struct cpu_map_event		cpu_map;
 	struct stat_config_event	stat_config;
+	struct stat_event		stat;
 };
 
 void perf_event__print_totals(void);