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

[Huang Ying]

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 Â  0%     +52.5%       0.15 Â  2%  turbostat.%Busy
         2 Â  0%     +50.0%          3 Â  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.


---
testcase: idle
default-monitors:
  latency_stats: 
  interrupts: 
  softirqs: 
  cpuidle: 
  turbostat: 
  pmeter: 
default_watchdogs:
  watch-oom: 
  watchdog: 
cpufreq_governor: performance
commit: f876f0cff6d460f03cd937104314f366dfa92261
model: Avoton
memory: 8G
hdd_partitions: "/dev/disk/by-id/ata-ST9250610NS_9XE0BSWH-part2"
swap_partitions: 
rootfs_partition: "/dev/disk/by-id/ata-ST9250610NS_9XE0BSWH-part1"
user: wfg
rootfs: debian-x86_64-2015-02-07.cgz
pmeter_server: lkp-wildcat
pmeter_device: yokogawa-wt310
stop_daemons: 
sleep: 10m
testbox: avoton3
tbox_group: avoton3
kconfig: x86_64-rhel
enqueue_time: 2015-02-07 15:27:31.085931347 +08:00
head_commit: f876f0cff6d460f03cd937104314f366dfa92261
base_commit: e36f014edff70fc02b3d3d79cead1d58f289332e
branch: linux-devel/devel-hourly-2015020522
kernel: "/kernel/x86_64-rhel/f876f0cff6d460f03cd937104314f366dfa92261/vmlinuz-3.19.0-rc7-gf876f0c"
queue: cyclic
result_root: "/result/avoton3/idle/performance-10m/debian-x86_64-2015-02-07.cgz/x86_64-rhel/f876f0cff6d460f03cd937104314f366dfa92261/0"
job_file: "/lkp/scheduled/avoton3/cyclic_idle-performance-10m-debian-x86_64.cgz-x86_64-rhel-HEAD-f876f0cff6d460f03cd937104314f366dfa92261-0-20150207-95893-1i1o2km.yaml"
dequeue_time: 2015-02-07 15:47:35.590497559 +08:00
nr_cpu: "$(nproc)"
job_state: finished
loadavg: 0.00 0.04 0.05 1/93 680
start_time: '1423295378'
end_time: '1423295978'
version: "/lkp/wfg/.src-20150207-125134"
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