linux-kernel - [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy

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Message-ID: <1423627517.8112.0.camel@intel.com>
Date:	Wed, 11 Feb 2015 12:05:17 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Corey Minyard <cminyard@...sta.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy

FYI, we noticed the below changes on

commit d9b7e4f717a167610a49ceb9e5969e80146c89a8 ("ipmi: Periodically check to see if irqs and messages are set right")

testbox/testcase/testparams: avoton3/idle/performance-10m

6a11e5c67a397e9a  d9b7e4f717a167610a49ceb9e5  
----------------  --------------------------  
         %stddev     %change         %stddev
             \          |                \  
      0.10 ±  0%     +52.5%       0.15 ±  2%  turbostat.%Busy
         2 ±  0%     +50.0%          3 ±  0%  turbostat.Avg_MHz

                                  turbostat.%Busy

   0.2 ++----O-O------------------------------------------------------------+
       |                                                                    |
  0.18 ++                                                                   |
       |                                                                    |
       |                                                                    |
  0.16 ++         O     O O  O  O       O  O  O O  O  O  O O          O     |
       O  O          O             O O                        O  O  O       |
  0.14 ++                                                                   |
       |                                                                    |
  0.12 ++    *.*                     *                                      |
       |   ..   +                   : +                                     |
       | .*      +                  :  +                                    |
   0.1 *+         *..  .*.*..  .*..*    *..*..*.*..*..*..*.*..*..*..*.*..*..*
       |             *.      *.                                             |
  0.08 ++-------------------------------------------------------------------+


	[*] bisect-good sample
	[O] bisect-bad  sample

To reproduce:

	apt-get install ruby ruby-oj
	git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
	cd lkp-tests
	bin/setup-local job.yaml # the job file attached in this email
	bin/run-local   job.yaml

Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.



View attachment "job.yaml" of type "text/plain" (1441 bytes)

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