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

Huang Ying
2015-02-11T04:05:22Z

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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.

[-- Attachment #2: job.yaml --]
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---
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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