[tip:perf/core] perf util: Skip reading header_event file

[tip-bot for Namhyung Kim <tipbot@zytor.com>]

Commit-ID:  2b2efc7fb8a3ede936580e870c5f809e491c925c
Gitweb:     http://git.kernel.org/tip/2b2efc7fb8a3ede936580e870c5f809e491c925c
Author:     Namhyung Kim <namhyung.kim@lge.com>
AuthorDate: Tue, 4 Jun 2013 14:20:25 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 12 Jul 2013 13:52:23 -0300

perf util: Skip reading header_event file

It seems perf does not parse header_event file so we can skip it as we
do for header_page file.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1370323231-14022-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/trace-event-read.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 0dd9fbd..fa45fca 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -212,7 +212,6 @@ static int read_ftrace_printk(struct pevent *pevent)
 static int read_header_files(struct pevent *pevent)
 {
 	unsigned long long size;
-	char *header_event;
 	char buf[BUFSIZ];
 	int ret = 0;
 
@@ -236,14 +235,8 @@ static int read_header_files(struct pevent *pevent)
 	}
 
 	size = read8(pevent);
-	header_event = malloc(size);
-	if (header_event == NULL)
-		return -1;
-
-	if (do_read(header_event, size) < 0)
-		ret = -1;
+	skip(size);
 
-	free(header_event);
 	return ret;
 }