From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20216 invoked by alias); 6 Jan 2010 18:40:20 -0000 Received: (qmail 20203 invoked by uid 22791); 6 Jan 2010 18:40:19 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from hrndva-omtalb.mail.rr.com (HELO hrndva-omtalb.mail.rr.com) (71.74.56.125) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 06 Jan 2010 18:40:14 +0000 X-Authority-Analysis: v=1.0 c=1 a=mahBh0N2zCAA:10 a=7U3hwN5JcxgA:10 a=20KFwNOVAAAA:8 a=meVymXHHAAAA:8 a=pGLkceISAAAA:8 a=ARn-LFdWU5p5GJSKDg0A:9 a=g65HEgVbpi3XwqBkGOnP9APKujcA:4 a=jEp0ucaQiEUA:10 a=jeBq3FmKZ4MA:10 a=MSl-tDqOz04A:10 Received: from [74.67.89.75] ([74.67.89.75:44077] helo=[192.168.23.10]) by hrndva-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 5D/5F-19791-C09D44B4; Wed, 06 Jan 2010 18:40:12 +0000 Subject: Re: [PATCH -tip 1/8] tracing/kprobe: Update example output in documentation From: Steven Rostedt Reply-To: rostedt@goodmis.org To: Masami Hiramatsu Cc: Ingo Molnar , lkml , Frederic Weisbecker , Arnaldo Carvalho de Melo , systemtap , DLE In-Reply-To: <20100105224641.19431.34967.stgit@dhcp-100-2-132.bos.redhat.com> References: <20100105224634.19431.3259.stgit@dhcp-100-2-132.bos.redhat.com> <20100105224641.19431.34967.stgit@dhcp-100-2-132.bos.redhat.com> Content-Type: text/plain; charset="ISO-8859-15" Date: Wed, 06 Jan 2010 18:40:00 -0000 Message-ID: <1262803211.28171.3075.camel@gandalf.stny.rr.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2010-q1/txt/msg00036.txt.bz2 On Tue, 2010-01-05 at 17:46 -0500, Masami Hiramatsu wrote: > Update example output in documentation accroding to current > implementation. > > Signed-off-by: Masami Hiramatsu > Cc: Ingo Molnar > Cc: Steven Rostedt Acked-by: Steven Rostedt -- Steve > Cc: Frederic Weisbecker > --- > > Documentation/trace/kprobetrace.txt | 33 +++++++++++++++++---------------- > 1 files changed, 17 insertions(+), 16 deletions(-) > > diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt > index 47aabee..c3eff6f 100644 > --- a/Documentation/trace/kprobetrace.txt > +++ b/Documentation/trace/kprobetrace.txt > @@ -97,23 +97,24 @@ recording return value as "myretprobe" event. > > cat /sys/kernel/debug/tracing/events/kprobes/myprobe/format > name: myprobe > -ID: 75 > +ID: 780 > format: > - field:unsigned short common_type; offset:0; size:2; > - field:unsigned char common_flags; offset:2; size:1; > - field:unsigned char common_preempt_count; offset:3; size:1; > - field:int common_pid; offset:4; size:4; > - field:int common_tgid; offset:8; size:4; > - > - field: unsigned long ip; offset:16;tsize:8; > - field: int nargs; offset:24;tsize:4; > - field: unsigned long dfd; offset:32;tsize:8; > - field: unsigned long filename; offset:40;tsize:8; > - field: unsigned long flags; offset:48;tsize:8; > - field: unsigned long mode; offset:56;tsize:8; > - > -print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->ip, REC->dfd, REC->filename, REC->flags, REC->mode > - > + field:unsigned short common_type; offset:0; size:2; signed:0; > + field:unsigned char common_flags; offset:2; size:1; signed:0; > + field:unsigned char common_preempt_count; offset:3; size:1;signed:0; > + field:int common_pid; offset:4; size:4; signed:1; > + field:int common_lock_depth; offset:8; size:4; signed:1; > + > + field:unsigned long __probe_ip; offset:12; size:4; signed:0; > + field:int __probe_nargs; offset:16; size:4; signed:1; > + field:unsigned long dfd; offset:20; size:4; signed:0; > + field:unsigned long filename; offset:24; size:4; signed:0; > + field:unsigned long flags; offset:28; size:4; signed:0; > + field:unsigned long mode; offset:32; size:4; signed:0; > + > + > +print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->__probe_ip, > +REC->dfd, REC->filename, REC->flags, REC->mode > > You can see that the event has 4 arguments as in the expressions you specified. > > >