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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Oct 2023 14:50:55.3593 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 1O7mXk1eSKH2+MCSdTNXvWOJd/+0TPKOY45FY22i9mFtrOX3I75wgMr3vCEGcsHr+M07IXt3G0ydGn+XOu5orw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB7636 X-OriginatorOrg: intel.com X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hello, kernel test robot noticed a -32.0% improvement of autonuma-benchmark.numa01.seconds on: commit: f169c62ff7cd1acf8bac8ae17bfeafa307d9e6fa ("sched/numa: Complete scanning of inactive VMAs when there is no alternative") https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git sched/core testcase: autonuma-benchmark test machine: 96 threads 2 sockets Intel(R) Xeon(R) Platinum 8260L CPU @ 2.40GHz (Cascade Lake) with 128G memory parameters: iterations: 4x test: _HARD_BIND cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231018/202310182223.6ef26fcb-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/iterations/kconfig/rootfs/tbox_group/test/testcase: gcc-12/performance/4x/x86_64-rhel-8.3/debian-11.1-x86_64-20220510.cgz/lkp-csl-2sp3/_HARD_BIND/autonuma-benchmark commit: b7a5b537c5 ("sched/numa: Complete scanning of partial VMAs regardless of PID activity") f169c62ff7 ("sched/numa: Complete scanning of inactive VMAs when there is no alternative") b7a5b537c55c088d f169c62ff7cd1acf8bac8ae17bf ---------------- --------------------------- %stddev %change %stddev \ | \ 0.00 ± 58% +3290.8% 0.06 ± 30% vmstat.procs.b 2.101e+10 ± 6% -47.7% 1.099e+10 ± 5% cpuidle..time 21679574 ± 6% -47.8% 11321089 ± 5% cpuidle..usage 2441 -25.2% 1826 ± 2% uptime.boot 25666 ± 5% -40.3% 15332 ± 3% uptime.idle 208968 ± 8% -11.6% 184676 ± 3% meminfo.Active 208280 ± 8% -11.7% 183990 ± 3% meminfo.Active(anon) 221680 ± 8% -11.7% 195741 ± 2% meminfo.Shmem 3154708 ± 7% -12.1% 2773727 ± 4% numa-numastat.node0.local_node 3621021 ± 4% -12.9% 3154008 ± 3% numa-numastat.node0.numa_hit 3424075 ± 5% -19.2% 2767342 ± 3% numa-numastat.node1.local_node 3659250 ± 4% -15.8% 3079449 ± 3% numa-numastat.node1.numa_hit 3620012 ± 4% -12.9% 3153670 ± 3% numa-vmstat.node0.numa_hit 3153693 ± 7% -12.1% 2773388 ± 4% numa-vmstat.node0.numa_local 3657708 ± 4% -15.8% 3078660 ± 3% numa-vmstat.node1.numa_hit 3422533 ± 5% -19.2% 2766552 ± 3% numa-vmstat.node1.numa_local 0.03 ± 31% +840.9% 0.29 ±179% perf-sched.sch_delay.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 2.34 ± 49% -83.7% 0.38 ±194% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.setup_arg_pages.load_elf_binary.search_binary_handler 948.50 ± 16% -30.3% 661.33 ± 20% perf-sched.wait_and_delay.count.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 1142 ± 9% -24.3% 865.00 ± 9% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 9.20 ± 6% -2.8 6.43 ± 5% mpstat.cpu.all.idle% 0.00 ± 14% +0.0 0.03 ± 28% mpstat.cpu.all.iowait% 2.25 -0.5 1.73 mpstat.cpu.all.irq% 0.08 ± 3% -0.0 0.06 ± 2% mpstat.cpu.all.soft% 2.18 ± 4% +0.5 2.69 ± 2% mpstat.cpu.all.sys% 474.78 -32.0% 322.76 ± 2% autonuma-benchmark.numa01.seconds 2386 -25.7% 1774 ± 2% autonuma-benchmark.time.elapsed_time 2386 -25.7% 1774 ± 2% autonuma-benchmark.time.elapsed_time.max 1298583 ± 2% -24.3% 983395 ± 3% autonuma-benchmark.time.involuntary_context_switches 3120169 -6.0% 2932947 autonuma-benchmark.time.minor_page_faults 8443 +3.9% 8771 autonuma-benchmark.time.percent_of_cpu_this_job_got 197252 -23.2% 151486 ± 2% autonuma-benchmark.time.user_time 26055 +45.4% 37896 ± 8% autonuma-benchmark.time.voluntary_context_switches 42526 ± 9% -15.6% 35892 ± 10% turbostat.C1 0.03 +0.0 0.05 ± 20% turbostat.C1E% 21430219 ± 6% -48.2% 11099622 ± 5% turbostat.C6 9.14 ± 6% -2.7 6.40 ± 5% turbostat.C6% 8.80 ± 6% -31.1% 6.06 ± 5% turbostat.CPU%c1 2.31e+08 -24.9% 1.735e+08 ± 2% turbostat.IRQ 37846 ± 7% -29.3% 26768 ± 9% turbostat.POLL 283.70 +3.1% 292.44 turbostat.PkgWatt 63.32 +16.3% 73.65 turbostat.RAMWatt 52079 ± 8% -11.6% 46034 ± 3% proc-vmstat.nr_active_anon 1560738 -1.8% 1532470 proc-vmstat.nr_anon_pages 3000 -2.2% 2934 proc-vmstat.nr_anon_transparent_hugepages 754040 -0.9% 747564 proc-vmstat.nr_file_pages 1564055 -1.8% 1535343 proc-vmstat.nr_inactive_anon 3964 -1.4% 3911 proc-vmstat.nr_page_table_pages 55430 ± 8% -11.7% 48954 ± 2% proc-vmstat.nr_shmem 52079 ± 8% -11.6% 46034 ± 3% proc-vmstat.nr_zone_active_anon 1564055 -1.8% 1535343 proc-vmstat.nr_zone_inactive_anon 31021 ± 4% +356.7% 141673 ± 3% proc-vmstat.numa_hint_faults 26070 ± 14% +232.5% 86687 ± 5% proc-vmstat.numa_hint_faults_local 7281579 -14.4% 6235148 proc-vmstat.numa_hit 2255 ± 9% +3726.0% 86295 ± 3% proc-vmstat.numa_huge_pte_updates 6580091 -15.8% 5542759 proc-vmstat.numa_local 490705 +1551.4% 8103581 ± 3% proc-vmstat.numa_pages_migrated 1256422 ± 9% +3426.6% 44309531 ± 3% proc-vmstat.numa_pte_updates 8560551 -16.7% 7127497 proc-vmstat.pgfault 490705 +1551.4% 8103581 ± 3% proc-vmstat.pgmigrate_success 370032 ± 2% -19.7% 296973 ± 2% proc-vmstat.pgreuse 951.67 +1560.5% 15802 ± 3% proc-vmstat.thp_migration_success 17842432 -25.5% 13288960 ± 2% proc-vmstat.unevictable_pgs_scanned 1.408e+08 ± 2% -26.2% 1.04e+08 ± 2% sched_debug.cfs_rq:/.avg_vruntime.avg 1.476e+08 ± 2% -27.3% 1.073e+08 ± 2% sched_debug.cfs_rq:/.avg_vruntime.max 1.252e+08 -24.9% 94038602 ± 3% sched_debug.cfs_rq:/.avg_vruntime.min 4459866 ± 7% -40.1% 2672703 ± 3% sched_debug.cfs_rq:/.avg_vruntime.stddev 0.22 ± 4% -10.8% 0.20 ± 3% sched_debug.cfs_rq:/.h_nr_running.stddev 1.408e+08 ± 2% -26.2% 1.04e+08 ± 2% sched_debug.cfs_rq:/.min_vruntime.avg 1.476e+08 ± 2% -27.3% 1.073e+08 ± 2% sched_debug.cfs_rq:/.min_vruntime.max 1.252e+08 -24.9% 94038602 ± 3% sched_debug.cfs_rq:/.min_vruntime.min 4459866 ± 7% -40.1% 2672703 ± 3% sched_debug.cfs_rq:/.min_vruntime.stddev 131.57 ± 11% -17.7% 108.34 ± 4% sched_debug.cfs_rq:/.util_avg.stddev 6.43 ± 26% +4528.1% 297.67 ± 3% sched_debug.cfs_rq:/.util_est_enqueued.avg 289.38 ± 9% +195.6% 855.43 ± 4% sched_debug.cfs_rq:/.util_est_enqueued.max 37.21 ± 11% +508.1% 226.25 ± 5% sched_debug.cfs_rq:/.util_est_enqueued.stddev 827702 ± 3% -12.7% 722480 ± 6% sched_debug.cpu.avg_idle.min 306806 ± 5% -18.8% 249093 ± 5% sched_debug.cpu.avg_idle.stddev 1219552 ± 2% -25.7% 906296 ± 2% sched_debug.cpu.clock.avg 1219905 ± 2% -25.7% 906607 ± 2% sched_debug.cpu.clock.max 1219166 ± 2% -25.7% 905967 ± 2% sched_debug.cpu.clock.min 212.97 ± 6% -13.3% 184.61 ± 11% sched_debug.cpu.clock.stddev 1191500 ± 2% -25.3% 890437 ± 2% sched_debug.cpu.clock_task.avg 1199519 ± 2% -25.6% 892331 ± 2% sched_debug.cpu.clock_task.max 1176815 ± 2% -25.1% 881433 ± 2% sched_debug.cpu.clock_task.min 7162 ± 46% -77.7% 1593 ± 19% sched_debug.cpu.clock_task.stddev 28968 ± 4% -16.3% 24235 ± 6% sched_debug.cpu.curr->pid.avg 36717 -20.7% 29133 ± 2% sched_debug.cpu.curr->pid.max 3810 ± 11% -34.7% 2487 ± 11% sched_debug.cpu.curr->pid.stddev 1074237 -17.0% 892137 ± 6% sched_debug.cpu.max_idle_balance_cost.max 137289 ± 3% -43.4% 77712 ± 11% sched_debug.cpu.max_idle_balance_cost.stddev 0.00 ± 6% -13.2% 0.00 ± 10% sched_debug.cpu.next_balance.stddev 0.23 ± 3% -10.5% 0.20 ± 4% sched_debug.cpu.nr_running.stddev 22190 ± 2% -23.8% 16898 ± 3% sched_debug.cpu.nr_switches.avg 9201 ± 4% -15.7% 7756 ± 6% sched_debug.cpu.nr_switches.min 10098 ± 3% -15.0% 8588 ± 7% sched_debug.cpu.nr_switches.stddev 7.02 ± 10% +43.9% 10.10 ± 12% sched_debug.cpu.nr_uninterruptible.stddev 1219153 ± 2% -25.7% 905956 ± 2% sched_debug.cpu_clk 1218584 ± 2% -25.7% 905387 ± 2% sched_debug.ktime 1219711 ± 2% -25.7% 906506 ± 2% sched_debug.sched_clk 26.19 +28.8% 33.74 perf-stat.i.MPKI 1.144e+08 +4.0% 1.19e+08 perf-stat.i.branch-instructions 1.46 -0.1 1.37 perf-stat.i.branch-miss-rate% 63.10 +3.1 66.21 perf-stat.i.cache-miss-rate% 14186186 +29.8% 18412463 perf-stat.i.cache-misses 22674336 +24.7% 28269331 perf-stat.i.cache-references 502.02 +2.0% 512.29 perf-stat.i.cpi 2.643e+11 +3.9% 2.745e+11 perf-stat.i.cpu-cycles 126.73 +7.2% 135.83 perf-stat.i.cpu-migrations 21465 -23.4% 16442 perf-stat.i.cycles-between-cache-misses 1.572e+08 +3.2% 1.623e+08 perf-stat.i.dTLB-loads 0.27 +0.0 0.29 perf-stat.i.dTLB-store-miss-rate% 223732 +9.2% 244255 perf-stat.i.dTLB-store-misses 88029014 +3.0% 90626204 perf-stat.i.dTLB-stores 80.17 +1.7 81.85 perf-stat.i.iTLB-load-miss-rate% 314646 -16.1% 263974 ± 5% perf-stat.i.iTLB-loads 5.846e+08 +3.7% 6.063e+08 perf-stat.i.instructions 1246 ± 2% +13.7% 1416 ± 4% perf-stat.i.instructions-per-iTLB-miss 2.75 +3.9% 2.86 perf-stat.i.metric.GHz 2.57 +9.1% 2.81 perf-stat.i.metric.M/sec 3527 +10.9% 3913 perf-stat.i.minor-faults 233066 +31.7% 306835 perf-stat.i.node-load-misses 238123 +13.9% 271245 perf-stat.i.node-loads 3112998 +44.6% 4502856 ± 2% perf-stat.i.node-store-misses 9385414 +24.5% 11686725 ± 2% perf-stat.i.node-stores 3527 +10.9% 3913 perf-stat.i.page-faults 24.08 +25.2% 30.16 perf-stat.overall.MPKI 1.54 -0.1 1.49 perf-stat.overall.branch-miss-rate% 63.01 +2.4 65.42 perf-stat.overall.cache-miss-rate% 19050 -20.6% 15118 perf-stat.overall.cycles-between-cache-misses 0.25 +0.0 0.27 perf-stat.overall.dTLB-store-miss-rate% 62.66 +2.2 64.86 perf-stat.overall.iTLB-load-miss-rate% 1161 ± 4% +10.8% 1286 ± 4% perf-stat.overall.instructions-per-iTLB-miss 49.19 +3.7 52.85 perf-stat.overall.node-load-miss-rate% 26.10 +2.6 28.67 ± 2% perf-stat.overall.node-store-miss-rate% 1.134e+08 +4.5% 1.185e+08 perf-stat.ps.branch-instructions 13962667 +30.4% 18209922 perf-stat.ps.cache-misses 22159412 +25.6% 27835158 perf-stat.ps.cache-references 2.66e+11 +3.5% 2.752e+11 perf-stat.ps.cpu-cycles 126.06 +7.4% 135.36 perf-stat.ps.cpu-migrations 1.56e+08 +3.6% 1.617e+08 perf-stat.ps.dTLB-loads 222631 +9.1% 242846 perf-stat.ps.dTLB-store-misses 87353212 +3.2% 90174337 perf-stat.ps.dTLB-stores 297718 ± 2% -14.4% 254772 ± 5% perf-stat.ps.iTLB-loads 5.797e+08 +4.1% 6.038e+08 perf-stat.ps.instructions 3454 +11.6% 3856 perf-stat.ps.minor-faults 231688 +32.7% 307530 perf-stat.ps.node-load-misses 239364 +14.6% 274365 ± 2% perf-stat.ps.node-loads 3208117 +42.8% 4581795 ± 2% perf-stat.ps.node-store-misses 9084897 +25.5% 11404755 ± 2% perf-stat.ps.node-stores 3455 +11.6% 3856 perf-stat.ps.page-faults 1.384e+12 -22.6% 1.072e+12 perf-stat.total.instructions 45.09 ± 10% -30.4 14.72 ± 55% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt 4.07 ± 30% -1.9 2.14 ± 40% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 4.07 ± 30% -1.9 2.14 ± 40% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 4.07 ± 30% -1.9 2.14 ± 40% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 1.74 ± 33% -1.2 0.57 ± 72% perf-profile.calltrace.cycles-pp.hpage_collapse_scan_pmd.khugepaged_scan_mm_slot.khugepaged.kthread.ret_from_fork 1.75 ± 33% -1.2 0.58 ± 73% perf-profile.calltrace.cycles-pp.khugepaged.kthread.ret_from_fork.ret_from_fork_asm 1.74 ± 33% -1.2 0.58 ± 73% perf-profile.calltrace.cycles-pp.khugepaged_scan_mm_slot.khugepaged.kthread.ret_from_fork.ret_from_fork_asm 1.69 ± 33% -1.1 0.55 ± 72% perf-profile.calltrace.cycles-pp.collapse_huge_page.hpage_collapse_scan_pmd.khugepaged_scan_mm_slot.khugepaged.kthread 1.58 ± 33% -1.1 0.51 ± 72% perf-profile.calltrace.cycles-pp.__collapse_huge_page_copy.collapse_huge_page.hpage_collapse_scan_pmd.khugepaged_scan_mm_slot.khugepaged 1.38 ± 32% -0.9 0.45 ± 72% perf-profile.calltrace.cycles-pp.copy_mc_fragile.__collapse_huge_page_copy.collapse_huge_page.hpage_collapse_scan_pmd.khugepaged_scan_mm_slot 1.90 ± 17% -0.9 0.99 ± 54% perf-profile.calltrace.cycles-pp.evsel__read_counter.read_counters.process_interval.dispatch_events.cmd_stat 1.20 ± 18% -0.6 0.55 ± 75% perf-profile.calltrace.cycles-pp.readn.evsel__read_counter.read_counters.process_interval.dispatch_events 1.20 ± 18% -0.6 0.55 ± 75% perf-profile.calltrace.cycles-pp.__libc_read.readn.evsel__read_counter.read_counters.process_interval 1.17 ± 19% -0.6 0.54 ± 75% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__libc_read.readn.evsel__read_counter.read_counters 1.17 ± 19% -0.6 0.54 ± 75% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_read.readn.evsel__read_counter 46.12 ± 10% -30.1 15.98 ± 51% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 4.07 ± 30% -1.9 2.14 ± 40% perf-profile.children.cycles-pp.kthread 1.74 ± 33% -1.1 0.67 ± 42% perf-profile.children.cycles-pp.hpage_collapse_scan_pmd 1.74 ± 33% -1.1 0.67 ± 43% perf-profile.children.cycles-pp.khugepaged_scan_mm_slot 1.75 ± 33% -1.1 0.68 ± 43% perf-profile.children.cycles-pp.khugepaged 1.69 ± 33% -1.0 0.64 ± 41% perf-profile.children.cycles-pp.collapse_huge_page 1.58 ± 33% -1.0 0.60 ± 41% perf-profile.children.cycles-pp.__collapse_huge_page_copy 1.90 ± 17% -0.9 1.05 ± 42% perf-profile.children.cycles-pp.evsel__read_counter 1.92 ± 18% -0.8 1.10 ± 44% perf-profile.children.cycles-pp.readn 1.92 ± 18% -0.8 1.10 ± 44% perf-profile.children.cycles-pp.__libc_read 0.87 ± 15% -0.4 0.51 ± 38% perf-profile.children.cycles-pp.do_anonymous_page 0.65 ± 16% -0.2 0.42 ± 37% perf-profile.children.cycles-pp.vma_alloc_folio 0.46 ± 26% -0.2 0.23 ± 45% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi 0.44 ± 22% -0.2 0.24 ± 46% perf-profile.children.cycles-pp.mprotect_fixup 0.40 ± 18% -0.2 0.21 ± 41% perf-profile.children.cycles-pp.evlist__id2evsel 0.24 ± 46% -0.2 0.07 ± 64% perf-profile.children.cycles-pp.start_thread 0.23 ± 45% -0.2 0.07 ± 64% perf-profile.children.cycles-pp.perf_evlist__poll_thread 0.40 ± 17% -0.2 0.25 ± 34% perf-profile.children.cycles-pp.mas_store_prealloc 0.28 ± 19% -0.1 0.14 ± 40% perf-profile.children.cycles-pp.__fget_light 0.26 ± 32% -0.1 0.13 ± 33% perf-profile.children.cycles-pp.pte_alloc_one 0.18 ± 43% -0.1 0.06 ± 80% perf-profile.children.cycles-pp.__collapse_huge_page_copy_succeeded 0.16 ± 30% -0.1 0.04 ±109% perf-profile.children.cycles-pp.proc_pid_get_link 0.30 ± 21% -0.1 0.19 ± 40% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.19 ± 16% -0.1 0.09 ± 62% perf-profile.children.cycles-pp.__perf_read_group_add 0.22 ± 22% -0.1 0.12 ± 27% perf-profile.children.cycles-pp.shift_arg_pages 0.15 ± 33% -0.1 0.06 ± 71% perf-profile.children.cycles-pp.xas_find 0.12 ± 26% -0.1 0.03 ±101% perf-profile.children.cycles-pp.folio_add_new_anon_rmap 0.15 ± 28% -0.1 0.06 ± 63% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.14 ± 27% -0.1 0.06 ± 71% perf-profile.children.cycles-pp.try_charge_memcg 0.19 ± 29% -0.1 0.11 ± 51% perf-profile.children.cycles-pp.down_write 0.17 ± 32% -0.1 0.09 ± 39% perf-profile.children.cycles-pp.__pte_alloc 0.10 ± 32% -0.1 0.03 ±101% perf-profile.children.cycles-pp.blk_mq_queue_tag_busy_iter 0.15 ± 16% -0.1 0.08 ± 54% perf-profile.children.cycles-pp.vsnprintf 0.10 ± 32% -0.1 0.04 ± 73% perf-profile.children.cycles-pp.blk_mq_in_flight 0.12 ± 20% -0.1 0.06 ± 48% perf-profile.children.cycles-pp.slab_show 0.16 ± 24% -0.1 0.10 ± 38% perf-profile.children.cycles-pp.__get_free_pages 0.09 ± 35% -0.1 0.04 ± 79% perf-profile.children.cycles-pp.lookup_open 0.00 +0.3 0.27 ± 57% perf-profile.children.cycles-pp.__sysvec_call_function 0.03 ±100% +0.3 0.33 ± 50% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 0.00 +0.4 0.38 ± 53% perf-profile.children.cycles-pp.sysvec_call_function 0.04 ± 80% +1.6 1.67 ± 58% perf-profile.children.cycles-pp.asm_sysvec_call_function 43.32 ± 10% -29.9 13.42 ± 61% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt 0.40 ± 17% -0.2 0.20 ± 41% perf-profile.self.cycles-pp.evlist__id2evsel 0.28 ± 19% -0.1 0.13 ± 40% perf-profile.self.cycles-pp.__fget_light 0.24 ± 30% -0.1 0.12 ± 29% perf-profile.self.cycles-pp.zap_pte_range 0.14 ± 28% -0.1 0.06 ± 76% perf-profile.self.cycles-pp.evlist_cpu_iterator__next 0.13 ± 30% -0.1 0.05 ± 75% perf-profile.self.cycles-pp.try_charge_memcg 0.17 ± 27% -0.1 0.10 ± 51% perf-profile.self.cycles-pp.down_write 0.10 ± 31% -0.1 0.03 ±102% perf-profile.self.cycles-pp.blk_mq_queue_tag_busy_iter 0.13 ± 30% -0.1 0.06 ± 65% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.11 ± 30% -0.1 0.05 ± 75% perf-profile.self.cycles-pp.mutex_lock 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://github.com/intel/lkp-tests/wiki