From: "Huang\, Ying" <ying.huang@intel.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: kernel test robot <xiaolong.ye@intel.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Hillf Danton <hillf.zj@alibaba-inc.com>,
LKML <linux-kernel@vger.kernel.org>,
"Johannes Weiner" <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>, <lkp@01.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression
Date: Wed, 27 Apr 2016 16:20:43 +0800 [thread overview]
Message-ID: <87fuu7iht0.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <20160427073617.GA2179@dhcp22.suse.cz> (Michal Hocko's message of "Wed, 27 Apr 2016 09:36:18 +0200")
Michal Hocko <mhocko@kernel.org> writes:
> On Wed 27-04-16 11:15:56, kernel test robot wrote:
>> FYI, we noticed vm-scalability.throughput -11.8% regression with the following commit:
>
> Could you be more specific what the test does please?
The sub-testcase of vm-scalability is swap-w-rand. An RAM emulated pmem
device is used as a swap device, and a test program will allocate/write
anonymous memory randomly to exercise page allocation, reclaiming, and
swapping in code path.
Best Regards,
Huang, Ying
next prev parent reply other threads:[~2016-04-27 8:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-27 3:15 [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression kernel test robot
2016-04-27 7:36 ` Michal Hocko
2016-04-27 8:20 ` Huang, Ying [this message]
2016-04-27 8:37 ` [LKP] " Michal Hocko
2016-04-27 8:44 ` Huang, Ying
2016-04-27 9:17 ` Michal Hocko
2016-04-28 5:17 ` Aaron Lu
2016-04-28 8:57 ` Michal Hocko
2016-04-28 9:45 ` Aaron Lu
2016-04-28 11:21 ` Michal Hocko
2016-04-29 8:59 ` Aaron Lu
2016-04-29 9:29 ` Michal Hocko
2016-04-29 12:54 ` Aaron Lu
2016-04-29 13:00 ` Michal Hocko
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