From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 664767F93 for ; Fri, 29 Mar 2013 14:59:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E608CAC001 for ; Fri, 29 Mar 2013 12:59:52 -0700 (PDT) Received: from mail-ve0-f173.google.com (mail-ve0-f173.google.com [209.85.128.173]) by cuda.sgi.com with ESMTP id 6KhYNwqsrO9WCSMP (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 29 Mar 2013 12:59:50 -0700 (PDT) Received: by mail-ve0-f173.google.com with SMTP id cy12so861863veb.4 for ; Fri, 29 Mar 2013 12:59:49 -0700 (PDT) Message-ID: <5155F2B2.1010308@binghamton.edu> Date: Fri, 29 Mar 2013 15:59:46 -0400 From: Dave Hall MIME-Version: 1.0 Subject: Re: xfs_fsr, sunit, and swidth References: <5140C147.7070205@binghamton.edu> <514113C6.9090602@hardwarefreak.com> <514153ED.3000405@binghamton.edu> <5141C1FC.4060209@hardwarefreak.com> <5141C8C1.2080903@hardwarefreak.com> <5141E5CF.10101@binghamton.edu> <5142AE40.6040408@hardwarefreak.com> <20130315114538.GF6369@dastard> <5143F94C.1020708@hardwarefreak.com> <20130316072126.GG6369@dastard> <515082C3.2000006@binghamton.edu> <515361B5.8050603@hardwarefreak.com> In-Reply-To: <515361B5.8050603@hardwarefreak.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: stan@hardwarefreak.com Cc: "xfs@oss.sgi.com" Dave, Stan, Here is the link for perf top -U: http://pastebin.com/JYLXYWki. The ag report is at http://pastebin.com/VzziSa4L. Interestingly, the backups ran fast a couple times this week. Once under 9 hours. Today it looks like it's running long again. -Dave Dave Hall Binghamton University kdhall@binghamton.edu 607-760-2328 (Cell) 607-777-4641 (Office) On 03/27/2013 05:16 PM, Stan Hoeppner wrote: > On 3/25/2013 12:00 PM, Dave Hall wrote: > >> On 03/16/2013 03:21 AM, Dave Chinner wrote: >> >>> Using perf to profile the kernel while the cp -al workload is >>> running will tell use exactly where the CPU is being burnt. That >>> will confirm the analysis, or point us at some other issue that is >>> causing excessive CPU burn... >>> >>> >> Dave, which perf command(s) would you like me to run. (I'm familiar >> with the concept behind this kind of tool, but I haven't worked with >> this one before). >> > I'll let Dave answer this one. > > >> Also, what would you like me to do with the xfs_db freesp output for 26 >> agroups? >> > A pastebin link should be fine. Only a couple of people will be looking > at it. I don't see value in free space maps of 26 AGs being archived. > > FWIW, it's probably best to reply-all instead of just to the list. > Sometimes posts get lost in the noise. Not sure if that's the case > here, but it's been a couple of days with no response from Dave C, and > the answers to these questions are very short. Thus I'm guessing he > missed your post, so I'm CC'ing him here. > > _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs