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From: Dave Chinner <david@fromorbit.com>
To: Juerg Haefliger <juergh@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: Still seeing hangs in xlog_grant_log_space
Date: Tue, 8 May 2012 08:59:44 +1000	[thread overview]
Message-ID: <20120507225944.GA5091@dastard> (raw)
In-Reply-To: <CADLDEKs4YbNzj2c0HKHwSdUfKy0efdQRe1rOsWDkWUgd+BOGHw@mail.gmail.com>

On Sat, May 05, 2012 at 09:44:35AM +0200, Juerg Haefliger wrote:
> >> But better would be to use the device number of the relevant
> >> filesystem to filter the events. The device is 252:2, which means in
> >> kernel terms is it:
> >>
> >>        dev = (major << 20) | minor
> >>            = 0xfc00002
> >>
> >> So you should be able to get just the xfs-hang events via:
> >>
> >> # trace-cmd record -e xfs\* -d 'dev == 0xfc00002'
> >>
> >> and as long as you don't host log files on /xfs-hang, it'll only
> >> record the workload running on the xfs-hang filesystem.
> >
> > Third try: https://region-a.geo-1.objects.hpcloudsvc.com:443/v1.0/AUTH_9630ead2-6194-40df-afd3-7395448d4536/xfs-hang/report-2012-04-27-180secs.tgz
> > Filtered by device, trace events go to a different filesystem.
> 
> Did anybody have a chance to look at the data?

I've had a quick look, but I need to write scripts to visualise it
(i.e. graph it) to determine if there's any pattern to the issue.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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  parent reply	other threads:[~2012-05-07 22:59 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-23 12:09 Still seeing hangs in xlog_grant_log_space Juerg Haefliger
2012-04-23 14:38 ` Dave Chinner
2012-04-23 15:33   ` Juerg Haefliger
2012-04-23 23:58     ` Dave Chinner
2012-04-24  8:55       ` Juerg Haefliger
2012-04-24 12:07         ` Dave Chinner
2012-04-24 18:26           ` Juerg Haefliger
2012-04-25 22:38             ` Dave Chinner
2012-04-26 12:37               ` Juerg Haefliger
2012-04-26 22:44                 ` Dave Chinner
2012-04-26 23:00                   ` Juerg Haefliger
2012-04-26 23:07                     ` Dave Chinner
2012-04-27  9:04                       ` Juerg Haefliger
2012-04-27 11:09                         ` Dave Chinner
2012-04-27 13:07                           ` Juerg Haefliger
2012-05-05  7:44                             ` Juerg Haefliger
2012-05-07 17:19                               ` Ben Myers
2012-05-09  7:54                                 ` Juerg Haefliger
2012-05-10 16:11                                   ` Chris J Arges
2012-05-10 21:53                                     ` Mark Tinguely
2012-05-16 18:42                                     ` Ben Myers
2012-05-16 19:03                                       ` Chris J Arges
2012-05-16 21:29                                         ` Mark Tinguely
2012-05-18 10:10                                           ` Dave Chinner
2012-05-18 14:42                                             ` Mark Tinguely
2012-05-22 22:59                                               ` Dave Chinner
2012-06-06 15:00                                             ` Chris J Arges
2012-06-07  0:49                                               ` Dave Chinner
2012-05-17 20:55                                       ` Chris J Arges
2012-05-18 16:53                                         ` Chris J Arges
2012-05-18 17:19                                   ` Ben Myers
2012-05-19  7:28                                     ` Juerg Haefliger
2012-05-21 17:11                                       ` Ben Myers
2012-05-24  5:45                                         ` Juerg Haefliger
2012-05-24 14:23                                           ` Ben Myers
2012-05-07 22:59                               ` Dave Chinner [this message]
2012-05-09  7:35                                 ` Dave Chinner
2012-05-09 21:07                                   ` Mark Tinguely
2012-05-10  2:10                                     ` Mark Tinguely
2012-05-18  9:37                                       ` Dave Chinner
2012-05-18  9:31                                     ` Dave Chinner
2012-05-24 20:18 ` Peter Watkins
2012-05-25  6:28   ` Juerg Haefliger
2012-05-25 17:03     ` Peter Watkins
2012-06-05 23:54       ` Dave Chinner
2012-06-06 13:40         ` Brian Foster
2012-06-06 17:41           ` Mark Tinguely
2012-06-11 20:42             ` Chris J Arges
2012-06-11 23:53               ` Dave Chinner
2012-06-12 13:28                 ` Chris J Arges
2012-06-06 22:03           ` Mark Tinguely
2012-06-06 23:04             ` Brian Foster
2012-06-07  1:35           ` Dave Chinner
2012-06-07 14:16             ` Brian Foster
2012-06-08  0:28               ` Dave Chinner
2012-06-08 17:09                 ` Ben Myers
2012-06-11 20:59         ` Mark Tinguely
2012-06-05 15:21   ` Chris J Arges

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