Re: [pipe] 3c0edea9b2: lmbench3.PIPE.bandwidth.MB/sec -17.0% regression
From: Michal Hocko
Date: Mon Dec 09 2019 - 03:56:03 EST
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