> Subject: [LKP] Re: [perf/x86] 81ec3f3c4c: will-it-scale.per_process_ops -5.5%
> regression
> 
> On Wed, Feb 05, 2020 at 08:32:16PM +0800, kernel test robot wrote:
> > Greeting,
> >
> > FYI, we noticed a -5.5% regression of will-it-scale.per_process_ops due to
> commit:
> >
> >
> > commit: 81ec3f3c4c4d78f2d3b6689c9816bfbdf7417dbb ("perf/x86: Add
> check_period PMU callback")
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> >
> 
> I'm fairly sure this bisect/result is bogus.
Hi Peter, thanks for feedback, we will investigate this in earliest time.

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