Re: [lkp-robot] [fs] 3deb642f0d: will-it-scale.per_process_ops -8.8% regression

Christoph Hellwig
2018-06-27T06:57:45Z

On Tue, Jun 26, 2018 at 02:03:38PM +0800, Ye Xiaolong wrote:
> Hi,
>
> On 06/22, Christoph Hellwig wrote:
> >Hi Xiaolong,
> >
> >can you retest this workload on the following branch:
> >
> > git://git.infradead.org/users/hch/vfs.git remove-get-poll-head
> >
> >Gitweb:
> >
> > http://git.infradead.org/users/hch/vfs.git/shortlog/refs/heads/remove-get-poll-head
>
> Here is the comparison for commit 3deb642f0d and commit 8fbedc1 ("fs: replace f_ops->get_poll_head with a static ->f_poll_head pointer") in remove-get-poll-head branch.

Especially the boot time ones and others look like they have additional
changes.

Can you compare the baseline of my tree, which is
894b8c00 ("Merge tag 'for_v4.18-rc2' of
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs") against 8fbedc1
(("fs: replace f_ops->get_poll_head with a static ->f_poll_head pointer") ?