Re: Still seeing hangs in xlog_grant_log_space

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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@xxxxxxxxxxxxx

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