From: Stan Hoeppner <stan@hardwarefreak.com>
To: Dave Hall <kdhall@binghamton.edu>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: xfs_fsr, sunit, and swidth
Date: Wed, 27 Mar 2013 16:16:37 -0500 [thread overview]
Message-ID: <515361B5.8050603@hardwarefreak.com> (raw)
In-Reply-To: <515082C3.2000006@binghamton.edu>
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.
--
Stan
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next prev parent reply other threads:[~2013-03-27 21:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 18:11 xfs_fsr, sunit, and swidth Dave Hall
2013-03-13 23:57 ` Dave Chinner
2013-03-14 0:03 ` Stan Hoeppner
[not found] ` <514153ED.3000405@binghamton.edu>
2013-03-14 12:26 ` Stan Hoeppner
2013-03-14 12:55 ` Stan Hoeppner
2013-03-14 14:59 ` Dave Hall
2013-03-14 18:07 ` Stefan Ring
2013-03-15 5:14 ` Stan Hoeppner
2013-03-15 11:45 ` Dave Chinner
2013-03-16 4:47 ` Stan Hoeppner
2013-03-16 7:21 ` Dave Chinner
2013-03-16 11:45 ` Stan Hoeppner
2013-03-25 17:00 ` Dave Hall
2013-03-27 21:16 ` Stan Hoeppner [this message]
2013-03-29 19:59 ` Dave Hall
2013-03-31 1:22 ` Dave Chinner
2013-04-02 10:34 ` Hans-Peter Jansen
2013-04-03 14:25 ` Dave Hall
2013-04-12 17:25 ` Dave Hall
2013-04-13 0:45 ` Dave Chinner
2013-04-13 0:51 ` Stan Hoeppner
2013-04-15 20:35 ` Dave Hall
2013-04-16 1:45 ` Stan Hoeppner
2013-04-16 16:18 ` Dave Chinner
2015-02-22 23:35 ` XFS/LVM/Multipath on a single RAID volume Dave Hall
2015-02-23 11:18 ` Emmanuel Florac
2015-02-24 22:04 ` Dave Hall
2015-02-24 22:33 ` Dave Chinner
[not found] ` <54ED01BC.6080302@binghamton.edu>
2015-02-24 23:33 ` Dave Chinner
2015-02-25 11:49 ` Emmanuel Florac
2015-02-25 11:21 ` Emmanuel Florac
2013-03-28 1:38 ` xfs_fsr, sunit, and swidth Dave Chinner
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