From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n6GMMCLS040470 for ; Thu, 16 Jul 2009 17:22:12 -0500 Message-ID: <4A5FA82F.6050903@sandeen.net> Date: Thu, 16 Jul 2009 17:22:39 -0500 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: [PATCH, RFC] xfs: event tracing support References: <20090616214844.GA12310@infradead.org> <4E752C93-A674-4725-AF23-C227C0A1E659@sgi.com> <20090622205904.GA1855@infradead.org> In-Reply-To: <20090622205904.GA1855@infradead.org> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Christoph Hellwig Cc: linux-ia64@vger.kernel.org, Steven Rostedt , xfs@oss.sgi.com Christoph Hellwig wrote: > On Mon, Jun 22, 2009 at 01:01:35PM -0500, Felix Blyakher wrote: >>> To use it make sure CONFIG_EVENT_TRACING is enabled and then enable >>> all >>> xfs trace channels by: >>> >>> echo 1 > /sys/kernel/debug/tracing/events/xfs/enable >> Does event tracing work on ia64 platform? >> I spent some time on it over weekend, but was not able even >> to force "CONFIG_EVENT_TRACING=y" setting in the .config. >> Seems to build ok on x86_64, which does have CONFIG_TRACING >> in defconfig, and allows to set CONFIG_EVENT_TRACING. > > IA64 ftrace support was added earlier this year, but it seems it can't > be enabled anymore since the big config option reshuffle. Now tracing > support requires the architecture to define the TRACE_IRQFLAGS_SUPPORT > and STACKTRACE_SUPPORT symbols, which seems to be missing on ia64. Where are we at with this one, I'd like to get this in for XFS but I agree w/ Felix that throwing out a "working" trace infrastructure w/ nothing to replace it on ia64 would not be great. Is this just config confusion, or is the functionality actually missing on ia64? Thanks, -Eric _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs