Greeting, FYI, we noticed a -54.0% regression of phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second due to commit: commit: 59dd13ad310793757e34afa489dd6fc8544fc3da ("drm/i915/gem: Flush coherency domains on first set-domain-ioctl") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: phoronix-test-suite on test machine: 12 threads Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz with 8G memory with following parameters: need_x: true test: jxrendermark-1.2.4 option_a: Radial Gradient Paint option_b: 1024x1024 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 <oliver.sang(a)intel.com&gt; 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/rootfs/tbox_group/test/testcase/ucode: gcc-9/performance/x86_64-rhel-8.3/true/Radial Gradient Paint/1024x1024/debian-x86_64-phoronix/lkp-cfl-d1/jxrendermark-1.2.4/phoronix-test-suite/0xd6 commit: 0dccdba51e ("Merge tag 'gvt-fixes-2020-10-30' of https://github.com/intel/gvt-linux into drm-intel-fixes") 59dd13ad31 ("drm/i915/gem: Flush coherency domains on first set-domain-ioctl") 0dccdba51e852271 59dd13ad310793757e34afa489d ---------------- --------------------------- %stddev %change %stddev \ | \ 8980 ± 2% -54.0% 4127 phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second 9.00 +13.9% 10.25 ± 4% phoronix-test-suite.time.percent_of_cpu_this_job_got 10000 +-------------------------------------------------------------------+ | | 9000 |-+.+. .+.+.+.+.+. .+. .+. .+. .+.+. .+. .+. .+. .+.+. .| |.+ + +.+ + +.+ + +.+.+ + +.+ + +.+ | | | 8000 |-+ | | | 7000 |-+ | | | 6000 |-+ | | | | | 5000 |-+ | | O | 4000 +-------------------------------------------------------------------+ [*] 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, Oliver Sang