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From: Michal Hocko <mhocko@kernel.org>
To: kernel test robot <xiaolong.ye@intel.com>
Cc: Tejun Heo <tj@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	lkp@01.org
Subject: Re: [lkp-robot] [mm, memcontrol]  309fe96bfc: vm-scalability.throughput +23.0% improvement
Date: Mon, 28 May 2018 14:03:18 +0200	[thread overview]
Message-ID: <20180528120318.GB27180@dhcp22.suse.cz> (raw)
In-Reply-To: <20180528114019.GF9904@yexl-desktop>

On Mon 28-05-18 19:40:19, kernel test robot wrote:
> 
> Greeting,
> 
> FYI, we noticed a +23.0% improvement of vm-scalability.throughput due to commit:
> 
> 
> commit: 309fe96bfc0ae387f53612927a8f0dc3eb056efd ("mm, memcontrol: implement memory.swap.events")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

This doesn't make any sense to me. The patch merely adds an accounting.
It doesn't optimize anything. So I strongly suspect the result is just
misleading or the test (environment) misconfigured. Not the first time
I am seeing something like that I am afraid.

-- 
Michal Hocko
SUSE Labs

  reply	other threads:[~2018-05-28 15:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-28 11:40 kernel test robot
2018-05-28 12:03 ` Michal Hocko [this message]
2018-05-29  3:15   ` [LKP] " Lu, Aaron
2018-05-29  7:58     ` Michal Hocko
2018-05-29  8:11       ` Aaron Lu
2018-05-29  8:27         ` Michal Hocko
2018-05-29  9:00           ` Aaron Lu
2018-06-01  7:26 ` Aaron Lu
2018-06-06  8:50   ` Aaron Lu

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