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@xxxxxxxxxxxxxxxxxxxxx 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
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