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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

WARNING: multiple messages have this Message-ID (diff)
From: Huang, Ying <ying.huang@intel.com>
To: lkp@lists.01.org
Subject: Re: [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>

[-- Attachment #1: Type: text/plain, Size: 524 bytes --]

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

  reply	other threads:[~2016-04-27  8:21 UTC|newest]

Thread overview: 35+ 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  3:15 ` kernel test robot
2016-04-27  7:36 ` [lkp] " Michal Hocko
2016-04-27  7:36   ` Michal Hocko
2016-04-27  8:20   ` Huang, Ying [this message]
2016-04-27  8:20     ` Huang, Ying
2016-04-27  8:37     ` [LKP] [lkp] " Michal Hocko
2016-04-27  8:37       ` Michal Hocko
2016-04-27  8:44       ` [LKP] [lkp] " Huang, Ying
2016-04-27  8:44         ` Huang, Ying
2016-04-27  9:17         ` [LKP] [lkp] " Michal Hocko
2016-04-27  9:17           ` Michal Hocko
2016-04-28  5:17           ` [LKP] [lkp] " Aaron Lu
2016-04-28  5:17             ` Aaron Lu
2016-04-28  5:17             ` [LKP] [lkp] " Aaron Lu
2016-04-28  8:57             ` Michal Hocko
2016-04-28  8:57               ` Michal Hocko
2016-04-28  8:57               ` [LKP] [lkp] " Michal Hocko
2016-04-28  9:45               ` Aaron Lu
2016-04-28  9:45                 ` Aaron Lu
2016-04-28 11:21                 ` [LKP] [lkp] " Michal Hocko
2016-04-28 11:21                   ` Michal Hocko
2016-04-28 11:21                   ` [LKP] [lkp] " Michal Hocko
2016-04-29  8:59                   ` Aaron Lu
2016-04-29  8:59                     ` Aaron Lu
2016-04-29  8:59                     ` [LKP] [lkp] " Aaron Lu
2016-04-29  9:29                     ` Michal Hocko
2016-04-29  9:29                       ` Michal Hocko
2016-04-29  9:29                       ` [LKP] [lkp] " Michal Hocko
2016-04-29 12:54                       ` Aaron Lu
2016-04-29 12:54                         ` Aaron Lu
2016-04-29 12:54                         ` [LKP] [lkp] " Aaron Lu
2016-04-29 13:00                         ` Michal Hocko
2016-04-29 13:00                           ` Michal Hocko
2016-04-29 13:00                           ` [LKP] [lkp] " Michal Hocko

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