Greeting, FYI, we noticed a 27.0% improvement of fxmark.ssd_ext4_MRPM_72_bufferedio.works/sec due to commit: commit: c22368edfa24ec033f9328b3328aaa0349c15e6c ("io-uring: Make statx API stable") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: fxmark on test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz with 128G memory with following parameters: disk: 1SSD media: ssd test: MRPM fstype: ext4 directio: bufferedio cpufreq_governor: performance ucode: 0xd000331 test-description: FxMark is a filesystem benchmark that test multicore scalability. test-url: https://github.com/sslab-gatech/fxmark 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/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/ucode: gcc-9/performance/bufferedio/1SSD/ext4/x86_64-rhel-8.3/ssd/debian-10.4-x86_64-20200603.cgz/lkp-icl-2sp5/MRPM/fxmark/0xd000331 commit: 6810a554d2 ("io_uring: documentation fixup") c22368edfa ("io-uring: Make statx API stable") 6810a554d2740bef c22368edfa24ec033f9328b3328 ---------------- --------------------------- %stddev %change %stddev \ | \ 0.12 ± 4% +18.1% 0.14 ± 4% fxmark.ssd_ext4_MRPM_54_bufferedio.softirq_sec 0.00 ± 4% +18.1% 0.01 ± 4% fxmark.ssd_ext4_MRPM_54_bufferedio.softirq_util 519.84 +35.7% 705.50 ± 2% fxmark.ssd_ext4_MRPM_54_bufferedio.user_sec 19.24 +35.7% 26.11 ± 2% fxmark.ssd_ext4_MRPM_54_bufferedio.user_util 1.326e+09 +34.8% 1.787e+09 fxmark.ssd_ext4_MRPM_54_bufferedio.works 26529596 +34.8% 35748793 fxmark.ssd_ext4_MRPM_54_bufferedio.works/sec 530.72 ± 9% +25.8% 667.85 fxmark.ssd_ext4_MRPM_72_bufferedio.user_sec 14.73 ± 9% +25.8% 18.54 fxmark.ssd_ext4_MRPM_72_bufferedio.user_util 1.212e+09 ± 9% +27.0% 1.539e+09 fxmark.ssd_ext4_MRPM_72_bufferedio.works 24239035 ± 9% +27.0% 30779008 fxmark.ssd_ext4_MRPM_72_bufferedio.works/sec 257.01 -2.8% 249.70 fxmark.time.system_time 128.39 +5.7% 135.70 fxmark.time.user_time 23.54 +6.4% 25.04 ± 2% iostat.cpu.user 1235 ± 6% +22.5% 1513 ± 8% meminfo.Active(anon) 142238 ± 96% -73.4% 37870 ± 74% turbostat.C1 308.17 ± 6% +22.6% 377.83 ± 8% proc-vmstat.nr_active_anon 308.17 ± 6% +22.6% 377.83 ± 8% proc-vmstat.nr_zone_active_anon 0.00 ± 95% -0.0 0.00 ±132% perf-stat.i.dTLB-load-miss-rate% 0.00 ± 84% -0.0 0.00 ±111% perf-stat.i.dTLB-store-miss-rate% 0.11 ± 70% -0.0 0.07 ± 80% perf-stat.overall.dTLB-store-miss-rate% 0.10 ±105% +0.1 0.24 ± 60% perf-profile.children.cycles-pp.folio_add_lru 0.07 ±122% +0.2 0.22 ± 48% perf-profile.children.cycles-pp.rmqueue 0.08 ±121% +0.2 0.31 ± 46% perf-profile.children.cycles-pp.__mod_lruvec_page_state 0.00 +0.7 0.68 ± 33% perf-profile.children.cycles-pp.vfs_fstatat 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. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang