linux-ext4 - Re: [ltt-dev] LTTng 0.74 for Linux 2.6.28 (ext4 tracepoints)

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Message-ID: <2f11576a0901131433h31056e34n82588a9c643224de@mail.gmail.com>
Date:	Wed, 14 Jan 2009 07:33:58 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
Cc:	ltt-dev@...ts.casi.polymtl.ca, linux-kernel@...r.kernel.org,
	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	Theodore Tso <tytso@....edu>
Subject: Re: [ltt-dev] LTTng 0.74 for Linux 2.6.28 (ext4 tracepoints)

Hi Mathieu

2009/1/11 Mathieu Desnoyers <compudj@...stal.dyndns.org>:
> Hi,
>
> LTTng 0.74 fixes the probe Makefile to build the net-trace probe module.
> It also adds jbd2 and ext4 tracepoints, and jbd2 probe module.

-ECANTBUILD

fs/jbd2/commit.c:27:24: error: trace/jbd2.h: No such file or directory
fs/jbd2/commit.c:29: warning: data definition has no type or storage class
fs/jbd2/commit.c:29: warning: type defaults to 'int' in declaration of
'DEFINE_TRACE'
fs/jbd2/commit.c:29: warning: parameter names (without types) in
function declaration
fs/jbd2/commit.c:30: warning: data definition has no type or storage class
fs/jbd2/commit.c:30: warning: type defaults to 'int' in declaration of
'DEFINE_TRACE'
fs/jbd2/commit.c:30: warning: parameter names (without types) in
function declaration
fs/jbd2/commit.c: In function 'jbd2_journal_commit_transaction':
fs/jbd2/commit.c:374: error: implicit declaration of function
'trace_jbd2_start_commit'
fs/jbd2/commit.c:1003: error: implicit declaration of function
'trace_jbd2_end_commit'
make[2]: *** [fs/jbd2/commit.o] Error 1

because

jbd2-instrumentation-move-to-tracepoints patch only change following two files.
it didn't create trace/jbd2.h

  fs/jbd2/checkpoint.c 		
  fs/jbd2/commit.c 		

>
> A new version including ext4 probe module should be available shortly.
>
> Installation QUICKSTART :
> http://ltt.polymtl.ca/svn/trunk/lttv/QUICKSTART
>
> git url :
>
> http://git.kernel.org/?p=linux/kernel/git/compudj/linux-2.6-lttng.git;a=shortlog;h=2.6.28-lttng-0.74
>
> tarball :
>
> http://ltt.polymtl.ca/lttng/patch-2.6.28-lttng-0.74.tar.gz
>
> jbd2/ext4 patches within the tarball :
>
> ext4-instrumentation-add-tracepoints.patch
> jbd2-instrumentation-move-to-tracepoints.patch
> lttng-instrumentation-jbd2-probes.patch
>
> Mathieu
>
> * Mathieu Desnoyers (compudj@...stal.dyndns.org) wrote:
>> Hi everyone,
>>
>> I just ported LTTng to 2.6.28. Enjoy !
>>
>> You may also want to upgrade to lttv 0.12.5 which puts back the syscall
>> and softirq names in the event list.
>>
>> For newcomers, instructions to install LTTng can be found at :
>> http://ltt.polymtl.ca/svn/trunk/lttv/QUICKSTART
>>
>> (I just updated the QUICKSTART guide. Please feel free to try it and
>> report inconsistencies.)
>>
>> Mathieu
>>
>>
>> --
>> Mathieu Desnoyers
>> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
>>
>> _______________________________________________
>> ltt-dev mailing list
>> ltt-dev@...ts.casi.polymtl.ca
>> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>>
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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