Greeting,
FYI, we noticed a -30.4% regression of
phoronix-test-suite.supertuxkart.1024x768.Fullscreen.Ultimate.1.GranParadisoIsland.frames_per_second
due to commit:
commit: 04ff1784840f5f954a656c7e8795c76467e29128 ("[Intel-gfx] [PATCH] drm/i915:
Enable WaProgramMgsrForCorrectSliceSpecificMmioReads for Gen9")
url:
https://github.com/0day-ci/linux/commits/Cooper-Chiou/drm-i915-Enable-WaP...
base:
git://anongit.freedesktop.org/drm-intel for-linux-next
in testcase: phoronix-test-suite
on test machine: 4 threads Intel(R) Core(TM) i7-7567U CPU @ 3.50GHz with 32G memory
with following parameters:
need_x: true
test: supertuxkart-1.5.2
option_a: Fullscreen
option_b: Ultimate
option_c: 1
option_d: Gran Paradiso Island [Approximately 275k triangles; advanced graphics]
cpufreq_governor: performance
ucode: 0xd6
test-description: The Phoronix Test Suite is the most comprehensive testing and
benchmarking platform available that provides an extensible framework for which new tests
can be easily added.
test-url:
http://www.phoronix-test-suite.com/
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen(a)intel.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone
https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
=========================================================================================
compiler/cpufreq_governor/kconfig/need_x/option_a/option_b/option_c/option_d/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/true/Fullscreen/Ultimate/1/Gran Paradiso Island
[Approximately 275k triangles; advanced
graphics]/debian-x86_64-phoronix/lkp-kbl-nuc1/supertuxkart-1.5.2/phoronix-test-suite/0xd6
commit:
400d4953f1 ("drm/i915/pll: Centralize PLL_ENABLE register lookup")
04ff178484 ("drm/i915: Enable WaProgramMgsrForCorrectSliceSpecificMmioReads for
Gen9")
400d4953f1f434d5 04ff1784840f5f954a656c7e879
---------------- ---------------------------
%stddev %change %stddev
\ | \
35.32 -30.4% 24.59
phoronix-test-suite.supertuxkart.1024x768.Fullscreen.Ultimate.1.GranParadisoIsland.frames_per_second
3638 ± 15% -39.2% 2211 ± 4%
phoronix-test-suite.time.involuntary_context_switches
32.00 -30.5% 22.25
phoronix-test-suite.time.percent_of_cpu_this_job_got
36 +----------------------------------------------------------------------+
|.+.+..+.+.+.+..+.+.+.+.+..+.+.+.+..+.+.+.+.+..+.+.+.+.+..+ +.+..+.+.|
34 |-+ |
| |
| |
32 |-+ |
| |
30 |-+ |
| |
28 |-+ |
| |
| |
26 |-+ |
| O O O O O O O O O O O O O O O O O O O O O O |
24 +----------------------------------------------------------------------+
phoronix-test-suite.time.percent_of_cpu_this_job_got
32 +----------------------------------------------------------------------+
| + +. + + +.+.+. |
30 |-+ |
| |
| |
28 |-+ |
| |
26 |-+ |
| |
24 |-+ |
| O O |
| |
22 |-O O O O O O O O O O O O O O O O O O O |
| O |
20 +----------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
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,
Rong Chen