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From: "Huang\, Ying" <ying.huang@intel.com>
To: Josef Bacik <josef@toxicpanda.com>
Cc: kernel test robot <rong.a.chen@intel.com>,
	David Sterba <dsterba@suse.com>, <lkp@01.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [LKP] [btrfs]  c8eaeac7b7:  aim7.jobs-per-min -11.7% regression
Date: Tue, 11 Jun 2019 08:52:11 +0800	[thread overview]
Message-ID: <87v9xdymdg.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <87blzl7itt.fsf@yhuang-dev.intel.com> (Ying Huang's message of "Wed, 29 May 2019 16:42:22 +0800")

"Huang, Ying" <ying.huang@intel.com> writes:

> Hi, Josef,
>
> kernel test robot <rong.a.chen@intel.com> writes:
>
>> Greeting,
>>
>> FYI, we noticed a -11.7% regression of aim7.jobs-per-min due to commit:
>>
>>
>> commit: c8eaeac7b734347c3afba7008b7af62f37b9c140 ("btrfs: reserve
>> delalloc metadata differently")
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>>
>> in testcase: aim7
>> on test machine: 40 threads Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz with 384G memory
>> with following parameters:
>>
>> 	disk: 4BRD_12G
>> 	md: RAID0
>> 	fs: btrfs
>> 	test: disk_rr
>> 	load: 1500
>> 	cpufreq_governor: performance
>>
>> test-description: AIM7 is a traditional UNIX system level benchmark
>> suite which is used to test and measure the performance of multiuser
>> system.
>> test-url: https://sourceforge.net/projects/aimbench/files/aim-suite7/
>
> Here's another regression, do you have time to take a look at this?

Ping

Best Regards,
Huang, Ying

  reply	other threads:[~2019-06-11  0:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-13  2:50 kernel test robot
2019-05-29  8:42 ` [LKP] " Huang, Ying
2019-06-11  0:52   ` Huang, Ying [this message]
2019-06-21  0:48     ` Huang, Ying
2019-06-25 14:22       ` Josef Bacik
2019-06-26  2:39         ` Rong Chen
2019-06-26  3:17           ` Josef Bacik
2019-06-26  3:31             ` Rong Chen
2019-07-08  7:08               ` Huang, Ying
2019-07-22  8:03                 ` Huang, Ying

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