* [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy
@ 2015-02-11 4:05 Huang Ying
2015-02-12 22:50 ` Corey Minyard
0 siblings, 1 reply; 2+ messages in thread
From: Huang Ying @ 2015-02-11 4:05 UTC (permalink / raw)
To: Corey Minyard; +Cc: LKML, LKP ML
[-- Attachment #1: Type: text/plain, Size: 2255 bytes --]
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 --]
[-- Type: text/plain, Size: 1441 bytes --]
---
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"
[-- Attachment #3: Type: text/plain, Size: 89 bytes --]
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy
2015-02-11 4:05 [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy Huang Ying
@ 2015-02-12 22:50 ` Corey Minyard
0 siblings, 0 replies; 2+ messages in thread
From: Corey Minyard @ 2015-02-12 22:50 UTC (permalink / raw)
To: Huang Ying, Corey Minyard; +Cc: LKML, LKP ML
I'm not quite sure how to interpret this data, but I'm assuming that
with the periodic checks it's waking up a lot more than it used to.
I'm not sure why this is the case, but it depends on what userland
software is doing with the driver. I'll try to reproduce and see what I
can find.
-corey
On 02/10/2015 10:05 PM, Huang Ying wrote:
> 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.
>
>
>
>
> _______________________________________________
> LKP mailing list
> LKP@linux.intel.com
>
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2015-02-11 4:05 [LKP] [ipmi] d9b7e4f717a: +52.5% turbostat.%Busy Huang Ying
2015-02-12 22:50 ` Corey Minyard
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