Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755322Ab0ANCPC (ORCPT ); Wed, 13 Jan 2010 21:15:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751754Ab0ANCPB (ORCPT ); Wed, 13 Jan 2010 21:15:01 -0500 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:44473 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115Ab0ANCPA (ORCPT ); Wed, 13 Jan 2010 21:15:00 -0500 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Masami Hiramatsu , LKML , Ingo Molnar Subject: [resend][PATCH 1/2] kprobetrace,doc: shell need single quote to use $ character Cc: kosaki.motohiro@jp.fujitsu.com Message-Id: <20100114111032.D720.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Thu, 14 Jan 2010 11:14:57 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1868 Lines: 46 shell interpret $val is as shell variable. thus we need quote if we use echo command. Signed-off-by: KOSAKI Motohiro Acked-by: Masami Hiramatsu --- Documentation/trace/kprobetrace.txt | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index 47aabee..2be6e19 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -82,13 +82,13 @@ Usage examples To add a probe as a new event, write a new definition to kprobe_events as below. - echo p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3 > /sys/kernel/debug/tracing/kprobe_events + echo 'p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3' > /sys/kernel/debug/tracing/kprobe_events This sets a kprobe on the top of do_sys_open() function with recording 1st to 4th arguments as "myprobe" event. As this example shows, users can choose more familiar names for each arguments. - echo r:myretprobe do_sys_open $retval >> /sys/kernel/debug/tracing/kprobe_events + echo 'r:myretprobe do_sys_open $retval' >> /sys/kernel/debug/tracing/kprobe_events This sets a kretprobe on the return point of do_sys_open() function with recording return value as "myretprobe" event. -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/