[lkp] [drm/i915] 0bbca274a3: 3.6% piglit.time.elapsed_time
From: kernel test robot
Date: Sun Mar 13 2016 - 22:15:14 EST
FYI, we noticed that piglit.time.elapsed_time 3.6% regression on
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 0bbca274a31c2366414d8d3f95e03d1c4674d93f ("drm/i915: Actually retry with bit-banging after GMBUS timeout")
=========================================================================================
compiler/group/kconfig/rootfs/tbox_group/testcase:
gcc-4.9/igt-039/x86_64-rhel/debian-x86_64-2015-02-07.cgz/snb-black/piglit
commit:
2f791908a70e95768596f5bb9e6de4f441d7bf13
0bbca274a31c2366414d8d3f95e03d1c4674d93f
2f791908a70e9576 0bbca274a31c2366414d8d3f95
---------------- --------------------------
%stddev %change %stddev
\ | \
188.79 ± 0% +3.6% 195.58 ± 0% piglit.time.elapsed_time
188.79 ± 0% +3.6% 195.58 ± 0% piglit.time.elapsed_time.max
5.00 ± 0% +60.0% 8.00 ± 0% piglit.time.percent_of_cpu_this_job_got
7.86 ± 0% +83.5% 14.42 ± 0% piglit.time.system_time
5.00 ± 0% +60.0% 8.00 ± 0% time.percent_of_cpu_this_job_got
7.86 ± 0% +83.5% 14.42 ± 0% time.system_time
=========================================================================================
compiler/group/kconfig/rootfs/tbox_group/testcase:
gcc-4.9/igt-036/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-u410/piglit
commit:
2f791908a70e95768596f5bb9e6de4f441d7bf13
0bbca274a31c2366414d8d3f95e03d1c4674d93f
2f791908a70e9576 0bbca274a31c2366414d8d3f95
---------------- --------------------------
%stddev %change %stddev
\ | \
141.15 ± 0% +6.9% 150.94 ± 0% piglit.time.elapsed_time
141.15 ± 0% +6.9% 150.94 ± 0% piglit.time.elapsed_time.max
10.00 ± 0% +60.0% 16.00 ± 0% piglit.time.percent_of_cpu_this_job_got
10.61 ± 0% +88.8% 20.04 ± 0% piglit.time.system_time
10.00 ± 0% +60.0% 16.00 ± 0% time.percent_of_cpu_this_job_got
10.61 ± 0% +88.8% 20.04 ± 0% time.system_time
snb-black: Sandy Bridge
Memory: 8G
lkp-u410: Ivy Bridge
Memory: 4G
piglit.time.system_time
21 ++---------------------------------------------------------------------+
20 O+ O O O O O O O O O O O O O O O O O O O O O O |
| |
19 ++ |
18 ++ |
17 ++ |
16 ++ |
| |
15 ++ |
14 ++ |
13 ++ |
12 ++ |
| |
11 *+.*..*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..*
10 ++---------------------------------------------------------------------+
piglit.time.percent_of_cpu_this_job_got
16 O+-O--O--O--O--O--O--O--O--O--O--O--O-O--O--O--O--O--O--O--O--O--O-----+
| |
15 ++ |
| |
| |
14 ++ |
| |
13 ++ |
| |
12 ++ |
| |
| |
11 *+. *.. *.. *.. |
| .. .. .. |
10 ++-*--*--*--*--*--*-----*--*--*-----*-*--*--*-----*--*--*--*--*--*--*--*
piglit.time.elapsed_time
152 ++--------------------------------------------------------------------+
| O O O O O O O O O O O O O O O O O O O O O O |
150 O+ |
| |
| |
148 ++ |
| |
146 ++ |
| |
144 ++ |
| |
| |
142 ++ .*.. |
*.. .*..*..*..* *..*..*..*.. .*..*..*.. .*..*..*..*..*..*
140 ++-*--*----------------------------*--*-----------*--*----------------+
piglit.time.elapsed_time.max
152 ++--------------------------------------------------------------------+
| O O O O O O O O O O O O O O O O O O O O O O |
150 O+ |
| |
| |
148 ++ |
| |
146 ++ |
| |
144 ++ |
| |
| |
142 ++ .*.. |
*.. .*..*..*..* *..*..*..*.. .*..*..*.. .*..*..*..*..*..*
140 ++-*--*----------------------------*--*-----------*--*----------------+
time.system_time
21 ++---------------------------------------------------------------------+
20 O+ O O O O O O O O O O O O O O O O O O O O O O |
| |
19 ++ |
18 ++ |
17 ++ |
16 ++ |
| |
15 ++ |
14 ++ |
13 ++ |
12 ++ |
| |
11 *+.*..*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..*
10 ++---------------------------------------------------------------------+
time.percent_of_cpu_this_job_got
16 O+-O--O--O--O--O--O--O--O--O--O--O--O-O--O--O--O--O--O--O--O--O--O-----+
| |
15 ++ |
| |
| |
14 ++ |
| |
13 ++ |
| |
12 ++ |
| |
| |
11 *+. *.. *.. *.. |
| .. .. .. |
10 ++-*--*--*--*--*--*-----*--*--*-----*-*--*--*-----*--*--*--*--*--*--*--*
piglit.time.system_time
15 ++---------------------------------------------------------------------+
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 |
14 ++ |
13 ++ |
| |
12 ++ |
| |
11 ++ |
| |
10 ++ |
9 ++ |
| |
8 ++ .*..*.. .*.. .*..*. .*..*.*..*.. .*
*..*..*..* *..*. *.*..*..*..*. *..*..*..*. *. |
7 ++---------------------------------------------------------------------+
piglit.time.elapsed_time
450 ++--------------------------------------------------------------------+
| |
400 ++ O |
| |
| |
350 ++ |
| |
300 ++ |
| |
250 ++ |
| |
| |
200 O+.O..O.O..O..O..O..O.O..O..O..O..O.O..*..O..O..O.O..O..O..O..O.O..O..*
| |
150 ++--------------------------------------------------------------------+
piglit.time.elapsed_time.max
450 ++--------------------------------------------------------------------+
| |
400 ++ O |
| |
| |
350 ++ |
| |
300 ++ |
| |
250 ++ |
| |
| |
200 O+.O..O.O..O..O..O..O.O..O..O..O..O.O..*..O..O..O.O..O..O..O..O.O..O..*
| |
150 ++--------------------------------------------------------------------+
time.system_time
15 ++---------------------------------------------------------------------+
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 |
14 ++ |
13 ++ |
| |
12 ++ |
| |
11 ++ |
| |
10 ++ |
9 ++ |
| |
8 ++ .*..*.. .*.. .*..*. .*..*.*..*.. .*
*..*..*..* *..*. *.*..*..*..*. *..*..*..*. *. |
7 ++---------------------------------------------------------------------+
[*] 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: 0bbca274a31c2366414d8d3f95e03d1c4674d93f
model: Ivy Bridge
nr_cpu: 4
memory: 4G
nr_hdd_partitions: 0
hdd_partitions:
netconsole_port: 6674
category: functional
timeout: 30m
piglit:
group: igt-036
queue: bisect
testbox: lkp-u410
tbox_group: lkp-u410
kconfig: x86_64-rhel
enqueue_time: 2016-03-12 08:10:38.141424169 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 7ebc10fb2ac0e90fb2e346efbdcda69faf9f4c18
user: lkp
head_commit: 884dcd36fc68f78a12db2ae041eaeadb230b460b
base_commit: f6cede5b49e822ebc41a099fe41ab4989f64e2cb
branch: linux-devel/devel-hourly-2016031201
result_root: "/result/piglit/igt-036/lkp-u410/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/0"
job_file: "/lkp/scheduled/lkp-u410/bisect_piglit-igt-036-debian-x86_64-2015-02-07.cgz-x86_64-rhel-0bbca274a31c2366414d8d3f95e03d1c4674d93f-20160312-31710-1ckf79s-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/lkp-u410/bisect_piglit-igt-036-debian-x86_64-2015-02-07.cgz-x86_64-rhel-0bbca274a31c2366414d8d3f95e03d1c4674d93f-20160312-31710-1ckf79s-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016031201
- commit=0bbca274a31c2366414d8d3f95e03d1c4674d93f
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/vmlinuz-4.5.0-rc7-00002-g0bbca27
- max_uptime=1800
- RESULT_ROOT=/result/piglit/igt-036/lkp-u410/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/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-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/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-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/0bbca274a31c2366414d8d3f95e03d1c4674d93f/vmlinuz-4.5.0-rc7-00002-g0bbca27"
dequeue_time: 2016-03-12 08:14:04.556438362 +08:00
job_state: finished
loadavg: 0.81 0.38 0.15 1/116 693
start_time: '1457741713'
end_time: '1457741864'
version: "/lkp/lkp/.src-20160311-183612"
2016-03-12 08:15:13 piglit run igt -t igt/kms_cursor_crc/cursor-64-sliding /tmp/lkp/piglit-results
2016-03-12 08:17:43 piglit summary console /tmp/lkp/piglit-results/results.json