[PATCH 5/6] perf trace: increase MAX_EVENT_LENGTH

[Li Zefan]

The name length of some trace events is longer than 30, like
sys_enter_sched_get_priority_max, ext4_mb_discard_preallocations.

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
 tools/perf/util/parse-events.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index a587d41..892d931 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -139,7 +139,7 @@ static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
 	   (strcmp(evt_dirent.d_name, "..")) &&				       \
 	   (!tp_event_has_id(&sys_dirent, &evt_dirent)))
 
-#define MAX_EVENT_LENGTH 30
+#define MAX_EVENT_LENGTH 40
 
 int valid_debugfs_mount(const char *debugfs)
 {
-- 1.6.3 
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