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Date: Wed, 18 Oct 2017 10:11:09 +0200 From: Borislav Petkov <bp@...en8.de> To: Ye Xiaolong <xiaolong.ye@...el.com> Cc: Markus Trippelsdorf <markus@...ppelsdorf.de>, Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Adam Borowski <kilobyte@...band.pl>, Brian Gerst <brgerst@...il.com>, Johannes Hirte <johannes.hirte@...enkhaos.de>, LKP <lkp@...org> Subject: Re: [lkp-robot] [x86/mm] c4c3c3c2d0: will-it-scale.per_process_ops -61.0% regression On Wed, Oct 18, 2017 at 09:59:02AM +0800, Ye Xiaolong wrote: > 2017-10-14 23:43:02 ./runtest.py context_switch1 295 process 44 > tasks,processes,processes_idle,threads,threads_idle,linear > 0,0,100,0,100,0 > 44,7723745,22.45,0,0.00,0 > > per_process_ops = 7723745 / 44 = 175540 What is that 7723745 value? 44 too? Please explain it in plain english and not in the context of some script you're running. Just assume I don't know *anything* about will-it-scale. How would you explain what those numbers are, to me? And then consider adding boilerplate text to your reports *explaining* what you're measuring because as it is now, people are left wondering WTF is going on. > percent -61% is computed by (174892 - 448554) / 448554 Ok, that I understand. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
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