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From: kernel test robot <rong.a.chen@intel.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Hocko <mhocko@kernel.org>,
	David Howells <dhowells@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	lkp@lists.01.org
Subject: Re: [pipe] 3c0edea9b2: lmbench3.PIPE.bandwidth.MB/sec -17.0% regression
Date: Wed, 11 Dec 2019 22:52:19 +0800	[thread overview]
Message-ID: <f96b092d-5b14-a795-819d-ad7536be4ba0@intel.com> (raw)
In-Reply-To: <CAHk-=wjj33OvL17p4XOjTjS-_MMEr5p0RqR9yLGhKWV3cgb57w@mail.gmail.com>



On 12/11/2019 1:52 AM, Linus Torvalds wrote:
> On Tue, Dec 10, 2019 at 6:15 AM kernel test robot <rong.a.chen@intel.com> wrote:
>> Hi Linus,
>>
>> Sorry for the inconvenience, indeed, the regression has been fixed.
> Woohoo.. And more than fixed, it looks like. Not that I looked at
> historical data, I'm not sure how much this number normally
> fluctuates. I'm assuming the stddev is just a per-boot "do it a few
> times" rather than any long-term thing?
>
>                  Linus

Hi Linus,

Yes, the stddev is not very precise, we usually boot more than three 
times to
get the value.

Best Regards,
Rong Chen



      reply	other threads:[~2019-12-11 14:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-08 15:39 [pipe] 3c0edea9b2: lmbench3.PIPE.bandwidth.MB/sec -17.0% regression kernel test robot
2019-12-09  8:55 ` Michal Hocko
2019-12-09 18:35   ` Linus Torvalds
2019-12-10 14:15     ` kernel test robot
2019-12-10 17:52       ` Linus Torvalds
2019-12-11 14:52         ` kernel test robot [this message]

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