Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754679Ab0ASEUJ (ORCPT ); Mon, 18 Jan 2010 23:20:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753608Ab0ASEUG (ORCPT ); Mon, 18 Jan 2010 23:20:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:29067 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753260Ab0ASEUF (ORCPT ); Mon, 18 Jan 2010 23:20:05 -0500 Message-ID: <4B553383.9070107@redhat.com> Date: Mon, 18 Jan 2010 23:22:27 -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: Masami Hiramatsu CC: Ingo Molnar , lkml , systemtap , DLE , KOSAKI Motohiro Subject: Re: [PATCH -tip 2/2] kprobetrace, doc: Add the explanation to remove probe points References: <20100117071411.GD19512@elte.hu> <20100119023512.31880.35535.stgit@localhost6.localdomain6> In-Reply-To: <20100119023512.31880.35535.stgit@localhost6.localdomain6> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2025 Lines: 63 Masami Hiramatsu wrote: > From: Motohiro KOSAKI > > Latest kprobetrace can remove probe points selectively. thus > documentation should be updated too. > > Signed-off-by: KOSAKI Motohiro Signed-off-by: Masami Hiramatsu Since I've delivered this patch.:-) > --- > > 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/ -- 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/