Re: [lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec

From: Jeff Layton
Date: Tue Sep 29 2015 - 20:06:24 EST


On Wed, 30 Sep 2015 07:27:54 +0800
"Huang\, Ying" <ying.huang@xxxxxxxxxxxxxxx> wrote:

> Jeff Layton <jeff.layton@xxxxxxxxxxxxxxx> writes:
>
> > On Mon, 28 Sep 2015 14:49:32 +0800
> > kernel test robot <ying.huang@xxxxxxxxx> wrote:
> >
> >> FYI, we noticed the below changes on
> >>
> >> =========================================================================================
> >> tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/fs2/filesize/test_size/sync_method/nr_directories/nr_files_per_directory:
> >> lkp-ne04/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/xfs/nfsv4/5K/400M/fsyncBeforeClose/16d/256fpd
> >>
> >> commit:
> >> cd2d35ff27c4fda9ba73b0aa84313e8e20ce4d2c
> >> 4aac1bf05b053a201a4b392dd9a684fb2b7e6103
> >>
> >
> > A question...
> >
> > I think my tree should now contain a fix for this, but with a
> > performance regression like this it's difficult to know for sure.
> >
> > Is there some (automated) way to request that the KTR redo this test?
> > If not, will I get a note saying "problem seems to now be fixed" or do
> > I just take a lack of further emails from the KTR about this as a sign
> > that it's resolved?
>
> Can you provide the branch name and commit ID for your tree with fix? I
> can confirm whether it is fixed for you.
>
Sure:

git://git.samba.org/jlayton/linux.git nfsd-4.4

The tip commit is ed3d7c1e01a76f5ecc7444067704a82af4c2f76e.

Many thanks!
--
Jeff Layton <jeff.layton@xxxxxxxxxxxxxxx>
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