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    SubjectRE: [LKP] Re: [perf/x86] 81ec3f3c4c: will-it-scale.per_process_ops -5.5% regression
    Date
    > 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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