linux-kernel - [PATCH 01/10] perf util: Save page size in a trace file to pevent

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Message-Id: <1366002698-10728-2-git-send-email-namhyung@kernel.org>
Date:	Mon, 15 Apr 2013 14:11:29 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: [PATCH 01/10] perf util: Save page size in a trace file to pevent

From: Namhyung Kim <namhyung.kim@....com>

We now have page_size field in struct pevent, save the actual size of
the system.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/trace-event-read.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index af215c0d2379..c6b491bcb8cd 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -349,6 +349,7 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
 	int show_funcs = 0;
 	int show_printk = 0;
 	ssize_t size = -1;
+	int file_page_size;
 	struct pevent *pevent;
 	int err;
 
@@ -393,10 +394,12 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
 		goto out;
 	long_size = buf[0];
 
-	page_size = read4(pevent);
-	if (!page_size)
+	file_page_size = read4(pevent);
+	if (!file_page_size)
 		goto out;
 
+	pevent_set_page_size(pevent, file_page_size);
+
 	err = read_header_files(pevent);
 	if (err)
 		goto out;
-- 
1.7.11.7

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