Messages in this thread | | | Subject | Re: [performance bug] kernel building regression on 64 LCPUs machine | From | "Alex,Shi" <> | Date | Thu, 24 Mar 2011 14:45:39 +0800 |
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On Wed, 2011-03-23 at 01:46 +0800, Jeff Moyer wrote: > Jan Kara <jack@suse.cz> writes: > > > Jeff, I suppose the log files of fs_mark processes are on the same > > device as the test directory, aren't they - that might explain the > > flusher thread doing IO? The patch below > > No. My test environments are sane. The file system is on a completely > separate disk and it is unmounted and remounted in between each run. > That should take care of any lost flushes.
Jeff, why not give a try with Jan's fs_mark patch? Maybe the result show something change. :)
> > Did you receive my last couple of private emails commenting on the trace > data? > > Cheers, > Jeff
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