linux-kernel - Re: [lkp-robot] [sched/fair] 4c77b18cf8: hackbench.throughput -14.4% regression

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Message-ID: <20170307075303.GS6500@twins.programming.kicks-ass.net>
Date:   Tue, 7 Mar 2017 08:53:03 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     kernel test robot <ying.huang@...ux.intel.com>
Cc:     Ingo Molnar <mingo@...nel.org>, kitsunyan <kitsunyan@...ox.ru>,
        Chris Mason <clm@...com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Mike Galbraith <umgwanakikbuti@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: Re: [lkp-robot] [sched/fair]  4c77b18cf8:  hackbench.throughput
 -14.4% regression

On Tue, Mar 07, 2017 at 11:18:36AM +0800, kernel test robot wrote:
> Greeting,
> 
> FYI, we noticed a -14.4% regression of hackbench.throughput due to commit:

Yeah, I know ... this patch is a mixed bag, some like it, some hate it.

But given it was fingered by a human doing desktopy things that trumps
artificial benchmark.

Still, I'll try and see if I can fix thing once I find a spare moment.