linux-kernel - [sched/balance] 18e6296b85e: -96.9% interrupts.RES

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Date:	Tue, 4 Mar 2014 21:05:59 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Alex Shi <alex.shi@...aro.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [sched/balance] 18e6296b85e: -96.9% interrupts.RES

Hi Alex,

FYI, we noticed the below changes on

https://github.com/alexshi/power-scheduling.git single-balance
commit 18e6296b85ea72c81aa485653d442ad88296d475 ("sched/balance: central balance prototype")

test case: snb-drag/crypto/tcrypt/2s-301-319

598143917dc5ecf  18e6296b85ea72c81aa485653  
---------------  -------------------------  
    206307 ~ 0%     -96.9%       6337 ~ 4%  TOTAL interrupts.RES
    506552 ~ 1%     -24.3%     383290 ~ 3%  TOTAL cpuidle.C6-SNB.usage
     18.27 ~ 9%   +1063.5%     212.53 ~25%  TOTAL time.system_time
         1 ~30%   +1262.5%         21 ~31%  TOTAL time.percent_of_cpu_this_job_got
       821 ~12%     -22.3%        638 ~19%  TOTAL vmstat.system.in



                                 time.system_time

   400 ++-------------------------------------------------------------------+
       |                                                                    |
   350 ++        O         O    O                                           |
   300 ++O  O                     O                                         |
       O      O         O    O       O O                                    |
   250 ++          O                          O                             |
       |              O                          O                          |
   200 ++                                                                   |
       |                                  O                                 |
   150 ++                                   O                               |
   100 ++                                                                   |
       |                                                                    |
    50 ++                                                                   |
       *.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*.*..*.*..*.*..*.*..*.*..*.*..*.*
     0 ++-------------------------------------------------------------------+


Thanks,
Fengguang
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