Greeting, FYI, we noticed a -7.0% improvement of phoronix-test-suite.darktable.Masskrug.CPU-only.seconds due to commit: commit: 9fd429c28073fa40f5465cd6e4769a0af80bf398 ("x86/kasan: Map shadow for percpu pages on demand") https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/mm in testcase: phoronix-test-suite on test machine: 12 threads 1 sockets Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz (Coffee Lake) with 16G memory with following parameters: test: darktable-1.0.5 option_a: Masskrug option_b: CPU-only cpufreq_governor: performance 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/ Details are as below: --------------------------------------------------------------------------------------------------> To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. ========================================================================================= compiler/cpufreq_governor/kconfig/option_a/option_b/rootfs/tbox_group/test/testcase: gcc-11/performance/x86_64-rhel-8.3/Masskrug/CPU-only/debian-x86_64-phoronix/lkp-cfl-d1/darktable-1.0.5/phoronix-test-suite commit: v6.1-rc2 9fd429c280 ("x86/kasan: Map shadow for percpu pages on demand") v6.1-rc2 9fd429c28073fa40f5465cd6e47 ---------------- --------------------------- %stddev %change %stddev \ | \ 7.28 -7.0% 6.78 phoronix-test-suite.darktable.Masskrug.CPU-only.seconds 247223 ± 2% -97.5% 6133 ± 31% phoronix-test-suite.time.involuntary_context_switches 210.66 -3.1% 204.03 phoronix-test-suite.time.user_time 1099748 ± 10% -30.9% 759381 ± 24% cpuidle..usage 22311 -2.9% 21657 proc-vmstat.nr_mapped 3383 +3.0% 3484 vmstat.io.bi 29095 -93.5% 1892 ± 2% vmstat.system.cs 35324 ± 5% -35.9% 22657 ± 11% vmstat.system.in 75.51 -13.0% 65.72 turbostat.Any%C0 489592 ± 17% -81.3% 91375 ± 81% turbostat.C1E 69.10 ± 3% -16.1% 58.00 ± 3% turbostat.CoreTmp 1797975 ± 5% -37.5% 1123541 ± 11% turbostat.IRQ 67.80 -24.9% 50.90 ± 6% turbostat.PkgTmp 1.61 +3.0% 1.66 turbostat.RAMWatt 43.60 ± 9% +48.6% 64.77 ± 23% perf-stat.i.MPKI 9.067e+08 +11.3% 1.009e+09 perf-stat.i.branch-instructions 4.50 ± 3% +0.8 5.29 ± 10% perf-stat.i.branch-miss-rate% 43016486 +20.2% 51697906 perf-stat.i.branch-misses 1.421e+08 ± 2% +5.7% 1.502e+08 perf-stat.i.cache-misses 2.72e+08 ± 2% +3.2% 2.806e+08 perf-stat.i.cache-references 29461 -94.3% 1666 perf-stat.i.context-switches 37.85 ± 6% -27.9% 27.28 ± 4% perf-stat.i.cpu-migrations 635.91 ± 13% -47.6% 333.50 ± 24% perf-stat.i.cycles-between-cache-misses 0.21 ± 15% +0.2 0.36 ± 23% perf-stat.i.dTLB-load-miss-rate% 2.866e+09 ± 2% +5.9% 3.034e+09 perf-stat.i.dTLB-loads 0.04 ± 18% +0.0 0.07 ± 33% perf-stat.i.dTLB-store-miss-rate% 6.909e+08 +4.9% 7.249e+08 perf-stat.i.dTLB-stores 37.58 ± 7% +17.8 55.38 ± 8% perf-stat.i.iTLB-load-miss-rate% 508490 ± 4% -36.6% 322421 ± 6% perf-stat.i.iTLB-loads 1.609e+10 ± 2% +6.3% 1.71e+10 perf-stat.i.instructions 127592 ± 5% +159.5% 331076 ± 7% perf-stat.i.instructions-per-iTLB-miss 0.64 +10.3% 0.70 ± 2% perf-stat.i.ipc 3.971e+08 +6.6% 4.234e+08 perf-stat.i.metric.M/sec 10398 +3.8% 10796 perf-stat.i.minor-faults 17371338 ± 2% +4.8% 18209254 perf-stat.i.node-loads 10405 +3.8% 10803 perf-stat.i.page-faults 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. -- 0-DAY CI Kernel Test Service https://01.org/lkp