linux-kernel - [tip:perf/core] perf util: Skip reading header

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Message-ID: <tip-2b2efc7fb8a3ede936580e870c5f809e491c925c@git.kernel.org>
Date:	Fri, 19 Jul 2013 00:47:02 -0700
From:	tip-bot for Namhyung Kim <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung.kim@....com, namhyung@...nel.org, jolsa@...hat.com,
	fweisbec@...il.com, rostedt@...dmis.org, dsahern@...il.com,
	tglx@...utronix.de
Subject: [tip:perf/core] perf util: Skip reading header_event file

Commit-ID:  2b2efc7fb8a3ede936580e870c5f809e491c925c
Gitweb:     http://git.kernel.org/tip/2b2efc7fb8a3ede936580e870c5f809e491c925c
Author:     Namhyung Kim <namhyung.kim@....com>
AuthorDate: Tue, 4 Jun 2013 14:20:25 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.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@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/r/1370323231-14022-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.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;
 }
 
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