FYI, we noticed that piglit.time.voluntary_context_switches +917.2% change with
your commit.
https://github.com/0day-ci/linux
Lyude/drm-dp_helper-retry-on-ETIMEDOUT-in-drm_dp_dpcd_access/20160317-234351
commit 31f8862c6e6303223e946e6fcbdfa7f87274baef ("drm/dp_helper: retry on
-ETIMEDOUT in drm_dp_dpcd_access()")
=========================================================================================
compiler/group/kconfig/rootfs/tbox_group/testcase:
gcc-4.9/igt-071/x86_64-rhel/debian-x86_64-2015-02-07.cgz/snb-black/piglit
commit:
cf481068cdd430a22425d7712c8deeb25efdedc1
31f8862c6e6303223e946e6fcbdfa7f87274baef
cf481068cdd430a2 31f8862c6e6303223e946e6fcb
---------------- --------------------------
%stddev %change %stddev
\ | \
111.96 ± 0% +128.2% 255.52 ± 0% piglit.time.elapsed_time
111.96 ± 0% +128.2% 255.52 ± 0% piglit.time.elapsed_time.max
8.25 ± 5% -39.4% 5.00 ± 0%
piglit.time.percent_of_cpu_this_job_got
31676 ± 0% +917.2% 322222 ± 0%
piglit.time.voluntary_context_switches
111.96 ± 0% +128.2% 255.52 ± 0% time.elapsed_time
111.96 ± 0% +128.2% 255.52 ± 0% time.elapsed_time.max
115.50 ± 1% +31.2% 151.50 ± 13% time.involuntary_context_switches
8.25 ± 5% -39.4% 5.00 ± 0% time.percent_of_cpu_this_job_got
8.31 ± 0% +45.7% 12.12 ± 0% time.system_time
31676 ± 0% +917.2% 322222 ± 0% time.voluntary_context_switches
snb-black: Sandy Bridge
Memory: 8G
piglit.time.voluntary_context_switches
350000 ++-----------------------------------------------------------------+
| OO OO |
300000 ++ |
| |
250000 ++ |
| |
200000 ++ |
| |
150000 ++ |
| |
100000 OO OO OO OO OO OOO OO OO OO OO |
| |
50000 ++ |
**.**.**. *.**.***.**.**.**.**.**.***.**.**.**.**.***.**.**.**.**.**
0 ++-------*---------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
git clone
git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run 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,
Xiaolong Ye.
---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: piglit
default-monitors:
wait: activate-monitor
kmsg:
heartbeat:
interval: 10
default-watchdogs:
oom-killer:
watchdog:
commit: 31f8862c6e6303223e946e6fcbdfa7f87274baef
model: Sandy Bridge
memory: 8G
nr_cpu: 8
hdd_partitions:
swap_partitions:
rootfs_partition:
category: functional
timeout: 30m
piglit:
group: igt-071
queue: bisect
testbox: snb-black
tbox_group: snb-black
kconfig: x86_64-rhel
enqueue_time: 2016-03-21 06:44:51.728433840 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 40af15dd8c1739d33ffe090f8e6d07650c5fbf07
user: lkp
head_commit: ff90403f45704fa7ad73121525559f3567886c53
base_commit: b562e44f507e863c6792946e4e1b1449fbbac85d
branch: linux-devel/devel-hourly-2016032017
result_root:
"/result/piglit/igt-071/snb-black/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/0"
job_file:
"/lkp/scheduled/snb-black/bisect_piglit-igt-071-debian-x86_64-2015-02-07.cgz-x86_64-rhel-31f8862c6e6303223e946e6fcbdfa7f87274baef-20160321-39265-rnyf53-0.yaml"
max_uptime: 1800
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
-
job=/lkp/scheduled/snb-black/bisect_piglit-igt-071-debian-x86_64-2015-02-07.cgz-x86_64-rhel-31f8862c6e6303223e946e6fcbdfa7f87274baef-20160321-39265-rnyf53-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016032017
- commit=31f8862c6e6303223e946e6fcbdfa7f87274baef
-
BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/vmlinuz-4.5.0-rc7-01559-g31f8862
- max_uptime=1800
-
RESULT_ROOT=/result/piglit/igt-071/snb-black/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/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-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/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"
linux_headers_initrd:
"/pkg/linux/x86_64-rhel/gcc-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/linux-headers.cgz"
repeat_to: 2
kernel:
"/pkg/linux/x86_64-rhel/gcc-4.9/31f8862c6e6303223e946e6fcbdfa7f87274baef/vmlinuz-4.5.0-rc7-01559-g31f8862"
dequeue_time: 2016-03-21 06:54:33.066087547 +08:00
job_state: finished
loadavg: 0.91 0.62 0.27 1/159 762
start_time: '1458514501'
end_time: '1458514757'
version: "/lkp/lkp/.src-20160318-155012"
2016-03-21 06:55:01 piglit run igt -t igt/kms_cursor_crc/cursor-128-onscreen
/tmp/lkp/piglit-results
2016-03-21 06:59:17 piglit summary console /tmp/lkp/piglit-results/results.json
