Re: [performance bug] kernel building regression on 64 LCPUsmachine

[Alex,Shi]

On Wed, 2011-03-23 at 01:46 +0800, Jeff Moyer wrote:
> Jan Kara <jack@xxxxxxx> 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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