From: Mathieu Desnoyers Subject: Re: [ltt-dev] LTTng 0.74 for Linux 2.6.28 (ext4 tracepoints) (fixed in LTTng 0.78) Date: Wed, 14 Jan 2009 20:45:21 -0500 Message-ID: <20090115014521.GG7458@Krystal> References: <20090109235449.GA21999@Krystal> <20090110161137.GA20526@Krystal> <2f11576a0901131433h31056e34n82588a9c643224de@mail.gmail.com> <20090113225827.GA5791@Krystal> <20090114001346.GB14730@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE To: Theodore Tso , KOSAKI Motohiro , Ext4 Developers List , ltt-dev@lists.casi.polymtl.ca, linux-kernel@vger.kernel.org Return-path: Received: from tomts25.bellnexxia.net ([209.226.175.188]:46581 "EHLO tomts25-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752687AbZAOBpX convert rfc822-to-8bit (ORCPT ); Wed, 14 Jan 2009 20:45:23 -0500 Content-Disposition: inline In-Reply-To: <20090114001346.GB14730@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: * Theodore Tso (tytso@mit.edu) wrote: > On Tue, Jan 13, 2009 at 05:58:27PM -0500, Mathieu Desnoyers wrote: > > >=20 > > > -ECANTBUILD > > >=20 > > Thanks for the report. This should be fixed in LTTng 0.78 now. >=20 > Out of curiosity, do you maintain a branch of LTTNG versus any of the > -rc kernels, or do you only track the stable kernels? I tried pullin= g > LTTNG 0.78 against the most recent Linus mainline and got a whole pil= e > of conflicts. >=20 > I then tried building LTTng 0.78 and got build failures: >=20 > CC arch/x86/kernel/init_task.o > distcc[27501] ERROR: compile /var/cache/ccache/init_task.tmp.closure.= 27497.i on localhost failed > /usr/projects/linux/ext4/arch/x86/kernel/init_task.c:35: error: unkno= wn field =E2=80=98user_markers_mutex=E2=80=99 specified in initializer > /usr/projects/linux/ext4/arch/x86/kernel/init_task.c:35: warning: bra= ces around scalar initializer > /usr/projects/linux/ext4/arch/x86/kernel/init_task.c:35: warning: (ne= ar initialization for =E2=80=98init_task.latency_record_count=E2=80=99) > /usr/projects/linux/ext4/arch/x86/kernel/init_task.c:35: error: field= name not in record or union initializer > /usr/projects/linux/ext4/arch/x86/kernel/init_task.c:35: error: (near= initialization for =E2=80=98init_task.latency_record_count=E2=80=99) >=20 > Looks like CONFIG_MARKERS_USERSPAC is busted.... >=20 Hi Ted, I'm currently integrating Lai's work to the 2.6.28 lttng branch (ascii output !) :) and the next step will be to move to 2.6.29-rc1. I'll keep you posted. Note that you can just leave the=20 #New revamped userspace markers markers-userspace.patch markers-userspace-x86.patch markers-userspace-x86_64.patch sparc64-support-userspace-tracing.patch Out of the patchset and it should not hurt the kernel tracing part at all.=C2=A0Note that these 4 patches are planned to be heavily reworked = before lkml submission. Mathieu > - Ted >=20 --=20 Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE = 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html