linux-kernel - [tip:tracing/core] blktrace: fix output of unknown events

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Message-ID: <tip-b78825d608f30a47e3154ab6872a03f0de0c9d45@git.kernel.org>
Date:	Mon, 13 Apr 2009 22:22:22 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
	mingo@...hat.com, lizf@...fujitsu.com, jens.axboe@...cle.com,
	fweisbec@...il.com, rostedt@...dmis.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:tracing/core] blktrace: fix output of unknown events

Commit-ID:  b78825d608f30a47e3154ab6872a03f0de0c9d45
Gitweb:     http://git.kernel.org/tip/b78825d608f30a47e3154ab6872a03f0de0c9d45
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Wed, 1 Apr 2009 16:18:53 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 12 Apr 2009 15:32:45 +0200

blktrace: fix output of unknown events

Not all events are pc (packet command) events. An event is a pc
event only if it has BLK_TC_PC bit set.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Acked-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jens Axboe <jens.axboe@...cle.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <49D3236D.3090705@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/trace/blktrace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 921ef5d..e45e1af 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1182,7 +1182,7 @@ static enum print_line_t print_one_line(struct trace_iterator *iter,
 	}
 
 	if (unlikely(what == 0 || what >= ARRAY_SIZE(what2act)))
-		ret = trace_seq_printf(s, "Bad pc action %x\n", what);
+		ret = trace_seq_printf(s, "Unknown action %x\n", what);
 	else {
 		ret = log_action(iter, what2act[what].act[long_act]);
 		if (ret)
--
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