linux-kernel - Re: [lkp-robot] [mm, vmscan] 5e56dfbd83: fsmark.files_per

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Message-ID: <20170206081236.GA3097@dhcp22.suse.cz>
Date:   Mon, 6 Feb 2017 09:12:36 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Ye Xiaolong <xiaolong.ye@...el.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Minchan Kim <minchan@...nel.org>,
        Hillf Danton <hillf.zj@...baba-inc.com>,
        Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [lkp-robot] [mm, vmscan]  5e56dfbd83:  fsmark.files_per_sec
 -11.1% regression

On Sat 04-02-17 16:16:04, Ye Xiaolong wrote:
> On 01/26, Michal Hocko wrote:
> >On Wed 25-01-17 12:27:06, Ye Xiaolong wrote:
> >> On 01/24, Michal Hocko wrote:
[...]
> >> >perf profiles before and after the patch.
> >> 
> >> Here is the perf profiles, 
> >
> >I do not see any reclaim path in the profile... Could you take a
> >snapshot of /proc/vmstat and /proc/zoneinfo before and after the test
> >please?
> 
> Sorry for the late, just come back from a vacation. Proc data is attached.

Sorry, I wasn't clear enough. Could you provide this data for both with
the patch applied and without, please?
-- 
Michal Hocko
SUSE Labs