Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756238Ab0ATHOf (ORCPT ); Wed, 20 Jan 2010 02:14:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756143Ab0ATHOb (ORCPT ); Wed, 20 Jan 2010 02:14:31 -0500 Received: from hera.kernel.org ([140.211.167.34]:40220 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723Ab0ATHO2 (ORCPT ); Wed, 20 Jan 2010 02:14:28 -0500 Date: Wed, 20 Jan 2010 07:12:38 GMT From: tip-bot for Motohiro KOSAKI Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, dle-develop@lists.sourceforge.net, tglx@linutronix.de, kosaki.motohiro@jp.fujitsu.com, mhiramat@redhat.com, mingo@elte.hu, systemtap@sources.redhat.com Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, dle-develop@lists.sourceforge.net, tglx@linutronix.de, kosaki.motohiro@jp.fujitsu.com, mhiramat@redhat.com, mingo@elte.hu, systemtap@sources.redhat.com In-Reply-To: <20100119023505.31880.17367.stgit@localhost6.localdomain6> References: <20100119023505.31880.17367.stgit@localhost6.localdomain6> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] kprobetrace, doc: Shell needs single quote to use $ character Message-ID: Git-Commit-ID: 580d9e00fdfb85e65c5097dcd739c6efcdbadc96 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Wed, 20 Jan 2010 07:12:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2351 Lines: 49 Commit-ID: 580d9e00fdfb85e65c5097dcd739c6efcdbadc96 Gitweb: http://git.kernel.org/tip/580d9e00fdfb85e65c5097dcd739c6efcdbadc96 Author: Motohiro KOSAKI AuthorDate: Mon, 18 Jan 2010 21:35:05 -0500 Committer: Ingo Molnar CommitDate: Wed, 20 Jan 2010 07:18:14 +0100 kprobetrace, doc: Shell needs single quote to use $ character Shell interprets $val as shell variable, thus we need quote if we use the echo command. Signed-off-by: KOSAKI Motohiro Signed-off-by: Masami Hiramatsu Cc: systemtap Cc: DLE LKML-Reference: <20100119023505.31880.17367.stgit@localhost6.localdomain6> Signed-off-by: Ingo Molnar --- Documentation/trace/kprobetrace.txt | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index f30978e..ab57f02 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -79,7 +79,7 @@ Usage examples To add a probe as a new event, write a new definition to kprobe_events as below. - echo p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack) > /sys/kernel/debug/tracing/kprobe_events + echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /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. Note, which register/stack entry is @@ -88,7 +88,7 @@ the ABI, please try to use probe subcommand of perf-tools (you can find it under tools/perf/). 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. -- 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/