From: Huang Ying <ying.huang@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org
Subject: [lkp] [drm/i915] 2def4ad99be: +182.8% piglit.time.system_time
Date: Thu, 18 Jun 2015 11:23:21 +0800 [thread overview]
Message-ID: <1434597801.21752.18.camel@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 8046 bytes --]
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 2def4ad99befa25775dd2f714fdd4d92faec6e34 ("drm/i915: Optimistically spin for the request completion")
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/group:
lkp-t410/piglit/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/igt-052
commit:
a1b2278e4dfcd2dbea85e319ebf73a6b7b2f180b
2def4ad99befa25775dd2f714fdd4d92faec6e34
a1b2278e4dfcd2db 2def4ad99befa25775dd2f714f
---------------- --------------------------
%stddev %change %stddev
\ | \
6.00 ± 0% +116.7% 13.00 ± 0% piglit.time.percent_of_cpu_this_job_got
6.71 ± 0% +182.8% 18.96 ± 0% piglit.time.system_time
5598 ± 0% +2.1% 5718 ± 0% vmstat.system.in
6.00 ± 0% +116.7% 13.00 ± 0% time.percent_of_cpu_this_job_got
6.71 ± 0% +182.8% 18.96 ± 0% time.system_time
4.49 ± 0% -26.1% 3.32 ± 0% time.user_time
lkp-t410: Westmere
Memory: 2G
piglit.time.system_time
20 ++---------------------------------------------------------------------+
18 O+O O O O O O O O O O O O O O O O O O O O O O O O |
| |
16 ++ |
14 ++ |
| |
12 ++ |
10 ++ |
8 ++ |
* *..*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*
6 ++ : |
4 ++ : |
|: : |
2 ++: : |
0 ++*-*-*-*--------------------------------------------------------------+
piglit.time.percent_of_cpu_this_job_got
14 ++---------------------------------------------------------------------+
O O O O O O O O O O O O O O O O O O O O O O O O |
12 ++ O |
| |
10 ++ |
| |
8 ++ |
| |
6 *+ *..*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*
| : |
4 ++ : |
|: : |
2 ++ : |
| : : |
0 ++*-*-*-*--------------------------------------------------------------+
time.user_time
5 ++--------------------------------------------------------------------+
4.5 ++ .*..*. .*.. .*.*.*
* *.*.* *.*.*.*.*.*.*.*.*.*.*.*.*.*.* *.*.*.*.*.* |
4 ++ : |
3.5 ++ O : O |
O:O O O O O O O O O O O O O O O O O O O O O O |
3 ++ : |
2.5 ++ : |
2 ++ : |
|: : |
1.5 ++ : |
1 ++: : |
| : : |
0.5 ++: : |
0 ++*-*-*-*-------------------------------------------------------------+
time.system_time
20 ++---------------------------------------------------------------------+
18 O+O O O O O O O O O O O O O O O O O O O O O O O O |
| |
16 ++ |
14 ++ |
| |
12 ++ |
10 ++ |
8 ++ |
* *..*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*
6 ++ : |
4 ++ : |
|: : |
2 ++: : |
0 ++*-*-*-*--------------------------------------------------------------+
time.percent_of_cpu_this_job_got
14 ++---------------------------------------------------------------------+
O O O O O O O O O O O O O O O O O O O O O O O O |
12 ++ O |
| |
10 ++ |
| |
8 ++ |
| |
6 *+ *..*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*
| : |
4 ++ : |
|: : |
2 ++ : |
| : : |
0 ++*-*-*-*--------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
apt-get install ruby
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.
Thanks,
Ying Huang
-------------------------------------
lkp@eclists.intel.com
https://eclists.intel.com/sympa/info/lkp
Unsubscribe by sending email to sympa@eclists.intel.com with subject "Unsubscribe lkp"
[-- Attachment #2: job.yaml --]
[-- Type: text/plain, Size: 2767 bytes --]
---
LKP_SERVER: inn
testcase: piglit
default-monitors:
wait: pre-test
vmstat:
default-watchdogs:
watch-oom:
watchdog:
cpufreq_governor: performance
commit: ba05e31154adcd01238a3beb461a75bd1e5c54d3
model: Westmere
memory: 2G
hdd_partitions: "/dev/disk/by-id/ata-FUJITSU_MJA2250BH_G2_K95CT9C2G29W-part6"
swap_partitions:
rootfs_partition: "/dev/disk/by-id/ata-FUJITSU_MJA2250BH_G2_K95CT9C2G29W-part7"
timeout: 30m
piglit:
group: igt-052
testbox: lkp-t410
tbox_group: lkp-t410
kconfig: x86_64-rhel
enqueue_time: 2015-05-30 12:30:01.933752309 +08:00
user: lkp
queue: cyclic
compiler: gcc-4.9
head_commit: ba05e31154adcd01238a3beb461a75bd1e5c54d3
base_commit: c65b99f046843d2455aa231747b5a07a999a9f3d
branch: linux-devel/devel-hourly-2015060501
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/ba05e31154adcd01238a3beb461a75bd1e5c54d3/vmlinuz-4.1.0-rc6-03761-gba05e311"
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/piglit/performance-igt-052/lkp-t410/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/ba05e31154adcd01238a3beb461a75bd1e5c54d3/0"
job_file: "/lkp/scheduled/lkp-t410/cyclic_piglit-performance-igt-052-x86_64-rhel-CYCLIC_HEAD-ba05e31154adcd01238a3beb461a75bd1e5c54d3-0-20150530-8245-kube3j.yaml"
dequeue_time: 2015-06-05 17:55:40.073038525 +08:00
nr_cpu: "$(nproc)"
max_uptime: 1800
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-t410/cyclic_piglit-performance-igt-052-x86_64-rhel-CYCLIC_HEAD-ba05e31154adcd01238a3beb461a75bd1e5c54d3-0-20150530-8245-kube3j.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2015060501
- commit=ba05e31154adcd01238a3beb461a75bd1e5c54d3
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/ba05e31154adcd01238a3beb461a75bd1e5c54d3/vmlinuz-4.1.0-rc6-03761-gba05e311
- max_uptime=1800
- RESULT_ROOT=/result/piglit/performance-igt-052/lkp-t410/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/ba05e31154adcd01238a3beb461a75bd1e5c54d3/0
- LKP_SERVER=inn
- |2-
earlyprintk=ttyS0,115200 systemd.log_level=err
debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100
panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0
console=ttyS0,115200 console=tty0 vga=normal
rw
lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz"
modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/ba05e31154adcd01238a3beb461a75bd1e5c54d3/modules.cgz"
bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/piglit.cgz,/lkp/benchmarks/piglit.cgz"
job_state: finished
loadavg: 0.37 0.36 0.16 1/126 751
start_time: '1433498177'
end_time: '1433498343'
version: "/lkp/lkp/.src-20150605-115714"
[-- Attachment #3: reproduce --]
[-- Type: text/plain, Size: 414 bytes --]
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
piglit run igt -t igt/kms_flip/flip-vs-panning /tmp/lkp/piglit-results-0
piglit summary console /tmp/lkp/piglit-results-0
reply other threads:[~2015-06-18 3:23 UTC|newest]
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