Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755726AbZLXCJJ (ORCPT ); Wed, 23 Dec 2009 21:09:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751246AbZLXCJH (ORCPT ); Wed, 23 Dec 2009 21:09:07 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:56944 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115AbZLXCJF (ORCPT ); Wed, 23 Dec 2009 21:09:05 -0500 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Masami Hiramatsu , LKML Subject: [PATCH] doc: kprobetrace: Add the explanation to remove probe points Cc: kosaki.motohiro@jp.fujitsu.com In-Reply-To: <20091224103912.68AC.A69D9226@jp.fujitsu.com> References: <20091224103912.68AC.A69D9226@jp.fujitsu.com> Message-Id: <20091224110840.68B2.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, 24 Dec 2009 11:09:02 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1473 Lines: 44 Latest kprobetrace can remove probe points selectively. thus documentation should be updated too. Signed-off-by: KOSAKI Motohiro Cc: Masami Hiramatsu --- 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 2be6e19..8c88930 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 @@ -121,6 +122,12 @@ print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->ip, REC->dfd, R 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. -- 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/