Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756160Ab0ATHOd (ORCPT ); Wed, 20 Jan 2010 02:14:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756132Ab0ATHOa (ORCPT ); Wed, 20 Jan 2010 02:14:30 -0500 Received: from hera.kernel.org ([140.211.167.34]:40219 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756164Ab0ATHO1 (ORCPT ); Wed, 20 Jan 2010 02:14:27 -0500 Date: Wed, 20 Jan 2010 07:12:54 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: <20100119023512.31880.35535.stgit@localhost6.localdomain6> References: <20100119023512.31880.35535.stgit@localhost6.localdomain6> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] kprobetrace, doc: Add the explanation to remove probe points Message-ID: Git-Commit-ID: df3ab708b787a2b35de5101452bd51d4a8ae0ded 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 07:12:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2029 Lines: 52 Commit-ID: df3ab708b787a2b35de5101452bd51d4a8ae0ded Gitweb: http://git.kernel.org/tip/df3ab708b787a2b35de5101452bd51d4a8ae0ded Author: Motohiro KOSAKI AuthorDate: Mon, 18 Jan 2010 21:35:12 -0500 Committer: Ingo Molnar CommitDate: Wed, 20 Jan 2010 07:18:15 +0100 kprobetrace, doc: Add the explanation to remove probe points Latest kprobetrace can remove probe points selectively, thus the documentation should be updated too. Signed-off-by: KOSAKI Motohiro Signed-off-by: Masami Hiramatsu Cc: systemtap Cc: DLE LKML-Reference: <20100119023512.31880.35535.stgit@localhost6.localdomain6> Signed-off-by: Ingo Molnar --- Documentation/trace/kprobetrace.txt | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index ab57f02..a9100b2 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -24,6 +24,7 @@ Synopsis of kprobe_events ------------------------- p[:[GRP/]EVENT] SYMBOL[+offs]|MEMADDR [FETCHARGS] : Set a probe r[:[GRP/]EVENT] SYMBOL[+0] [FETCHARGS] : Set a return probe + -:[GRP/]EVENT : Clear a probe GRP : Group name. If omitted, use "kprobes" for it. EVENT : Event name. If omitted, the event name is generated @@ -122,6 +123,12 @@ REC->dfd, REC->filename, REC->flags, REC->mode This clears all probe points. + Or, + + echo -:myprobe >> kprobe_events + + This clears probe points selectively. + Right after definition, each event is disabled by default. For tracing these events, you need to enable it. -- 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/