1:51 a.m.
On 11/27/2020 5:34 AM, Chris Wilson wrote:
Quoting Xing Zhengjun (2020-11-26 01:44:55)
>
>
> On 11/25/2020 4:47 AM, Chris Wilson wrote:
>> Quoting Oliver Sang (2020-11-19 07:20:18)
>>> On Fri, Nov 13, 2020 at 04:27:13PM +0200, Joonas Lahtinen wrote:
>>>> Hi,
>>>>
>>>> Could you add intel-gfx(a)lists.freedesktop.org into reports going
>>>> forward.
>>>>
>>>> Quoting kernel test robot (2020-11-11 17:58:11)
>>>>>
>>>>> Greeting,
>>>>>
>>>>> FYI, we noticed a -54.0% regression of
phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second due
to commit:
>>>>
>>>> How many runs are there on the bad version to ensure the bisect is
>>>> repeatable?
>>>
>>> test 4 times.
>>>
zxing@inn:/result/phoronix-test-suite/performance-true-Radial_Gradient_Paint-1024x1024-jxrendermark-1.2.4-ucode=0xd6-monitor=da39a3ee/lkp-cfl-d1/debian-x86_64-phoronix/x86_64-rhel-8.3/gcc-9/59dd13ad310793757e34afa489dd6fc8544fc3da$
grep -r "operations_per_second" */stats.json
>>> 0/stats.json:
"phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second":
4133.487932,
>>> 1/stats.json:
"phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second":
4120.421503,
>>> 2/stats.json:
"phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second":
4188.414835,
>>> 3/stats.json:
"phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second":
4068.549514,
>>
>> a w/o revert (drm-tip)
>> b w/ revert
>> +mB----------------------------------------------------------------------------+
>> | ..b |
>> | ..b.aa |
>> | ....a.a |
>> | ....a.a |
>> | b b ........a |
>> | b b b b......... a |
>> | b bb bbb........... |
>> |b ab bbab.bb.b............ba b a a ab a|
>> | |__A__| |
>> | |MA_| |
>> +------------------------------------------------------------------------------+
>> N Min Max Median Avg
Stddev
>> a 120 3621.8761 7356.4442 4606.7895 4607.9132 156.17693
>> b 120 2664.0563 6359.9686 4519.5036 4534.4463 95.471121
>>
>> The patch is not expected to have any impact on the machine you are testing on.
>> -Chris
>>
>
> What's your code base?
> For my side:
> 1) sync the code to the head of Linux mainline
> 2) git reset --hard 59dd13ad31
> 3) git revert 59dd13ad3107
> We compare the test result of commit 59dd13ad3107 (step 2) and
> 2052847b06f8 (step 3, revert 59dd13ad3107), the regression should
> related with 59dd13ad3107. Each test case we run 5 times.
a 59dd13ad31
b revert
+mB----------------------------------------------------------------------------+
| a |
| aa |
| .b....ba |
| .b....baa b |
| .........b . b b |
| a b.......... ..bb b b |
| b a b.............b.a b b |
|a a b. .aaa..b.............b..b....ab b a .|
| |__A__| |
| |___A_____| |
+------------------------------------------------------------------------------+
N Min Max Median Avg Stddev
a 120 3658.3435 6363.7812 4527.4406 4536.612 86.095459
b 120 3928.9643 6375.829 4576.0482 4585.4224 157.284
Could you share with me your test commands and the hardware info, then I
can reproduce it on my side? Thanks.
--
Zhengjun Xing