[tip:perfcounters/core] perf tools: Add some comments to the event definitions

[tip-bot for Peter Zijlstra <a.p.zijlstra@chello.nl>]

Commit-ID:  18408ddc01136f505ae357c03f0d8e50b10e0db6
Gitweb:     http://git.kernel.org/tip/18408ddc01136f505ae357c03f0d8e50b10e0db6
Author:     Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Thu, 13 Aug 2009 11:47:55 +0200
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Sat, 15 Aug 2009 12:00:09 +0200

perf tools: Add some comments to the event definitions

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>
Cc: Corey J Ashford <cjashfor@us.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: stephane eranian <eranian@googlemail.com>
LKML-Reference: <20090813103655.334194326@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
 tools/perf/util/event.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index d26dc88..fa7c50b 100644
--- a/tools/perf/util/event.h
+++ b/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;