From: Michal Hocko <mhocko@kernel.org>
To: kernel test robot <rong.a.chen@intel.com>
Cc: David Howells <dhowells@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
lkp@lists.01.org
Subject: Re: [pipe] 3c0edea9b2: lmbench3.PIPE.bandwidth.MB/sec -17.0% regression
Date: Mon, 9 Dec 2019 09:55:59 +0100 [thread overview]
Message-ID: <20191209085559.GA5868@dhcp22.suse.cz> (raw)
In-Reply-To: <20191208153949.GJ32275@shao2-debian>
On Sun 08-12-19 23:39:49, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed a -17.0% regression of lmbench3.PIPE.bandwidth.MB/sec due to commit:
>
>
> commit: 3c0edea9b29f9be6c093f236f762202b30ac9431 ("pipe: Remove sync on wake_ups")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
Huh. How can something like that can even can get merged? No changelog,
no s-o-b?
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-12-09 8:56 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 [this message]
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
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