Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757637AbZLZEGO (ORCPT ); Fri, 25 Dec 2009 23:06:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757578AbZLZEGO (ORCPT ); Fri, 25 Dec 2009 23:06:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46310 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751654AbZLZEGN (ORCPT ); Fri, 25 Dec 2009 23:06:13 -0500 Message-ID: <4B358BB2.7090700@redhat.com> Date: Fri, 25 Dec 2009 23:06:10 -0500 From: Masami Hiramatsu User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-3.fc11 Thunderbird/3.0 MIME-Version: 1.0 To: KOSAKI Motohiro CC: LKML Subject: Re: [PATCH] doc: kprobetrace: Add the explanation to remove probe points References: <20091224103912.68AC.A69D9226@jp.fujitsu.com> <20091224110840.68B2.A69D9226@jp.fujitsu.com> In-Reply-To: <20091224110840.68B2.A69D9226@jp.fujitsu.com> X-Enigmail-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1776 Lines: 58 KOSAKI Motohiro wrote: > Latest kprobetrace can remove probe points selectively. thus > documentation should be updated too. Ah, right. > > Signed-off-by: KOSAKI Motohiro Acked-by: Masami Hiramatsu Thank you very much! > 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. > -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- 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/