Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932609Ab0AFSkS (ORCPT ); Wed, 6 Jan 2010 13:40:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932271Ab0AFSkQ (ORCPT ); Wed, 6 Jan 2010 13:40:16 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:46874 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932602Ab0AFSkO (ORCPT ); Wed, 6 Jan 2010 13:40:14 -0500 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 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.89.75 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" Organization: Kihon Technologies Inc. Date: Wed, 06 Jan 2010 13:40:11 -0500 Message-ID: <1262803211.28171.3075.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2962 Lines: 72 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. > > > -- 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/