[PATCH 3/4] perf tools: Add some comments to the event definitions

[Peter Zijlstra <a.p.zijlstra@chello.nl>]

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Just to make it clear that these are _not_ generic event structures
but do rely on the counter configuration.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
 tools/perf/util/event.h |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux-2.6/tools/perf/util/event.h
===================================================================
--- linux-2.6.orig/tools/perf/util/event.h
+++ linux-2.6/tools/perf/util/event.h
@@ -4,6 +4,9 @@
 #include "util.h"
 #include <linux/list.h>
 
+/*
+ * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
+ */
 struct ip_event {
 	struct perf_event_header header;
 	u64 ip;
@@ -38,6 +41,9 @@ struct lost_event {
 	u64 lost;
 };
 
+/*
+ * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
+ */
 struct read_event {
 	struct perf_event_header header;
 	u32 pid,tid;

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