1:35 a.m.
Jeff Layton <jeff.layton(a)primarydata.com> writes:
On Wed, 30 Sep 2015 07:27:54 +0800
"Huang\, Ying" <ying.huang(a)linux.intel.com> wrote:
> Jeff Layton <jeff.layton(a)primarydata.com> writes:
>
> > On Mon, 28 Sep 2015 14:49:32 +0800
> > kernel test robot <ying.huang(a)intel.com> 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.
It seems that the regression is fixed at that commit. Thanks!
=========================================================================================
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
ed3d7c1e01a76f5ecc7444067704a82af4c2f76e
cd2d35ff27c4fda9 4aac1bf05b053a201a4b392dd9 ed3d7c1e01a76f5ecc74440677
---------------- -------------------------- --------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
14415356 ± 0% +2.6% 14788625 ± 1% +4.1% 15008301 ± 0%
fsmark.app_overhead
441.60 ± 0% -2.9% 428.80 ± 0% -0.4% 439.68 ± 0%
fsmark.files_per_sec
185.78 ± 0% +2.9% 191.26 ± 0% +0.3% 186.37 ± 0%
fsmark.time.elapsed_time
185.78 ± 0% +2.9% 191.26 ± 0% +0.3% 186.37 ± 0%
fsmark.time.elapsed_time.max
97472 ± 0% -2.8% 94713 ± 0% -0.8% 96657 ± 0%
fsmark.time.involuntary_context_switches
Best Regards,
Huang, Ying