(1) Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with memory: 256G ========================================================================================= class/compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: cpu/gcc-12/performance/x86_64-rhel-8.3/100%/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp7/numa/stress-ng/60s 1803d0c5ee1a3bbe efa7df3e3bb5da8e6abbe377274 d8d7b1dae6f0311d528b289cda7 ---------------- --------------------------- --------------------------- %stddev %change %stddev %change %stddev \ | \ | \ 55848 ± 28% +236.5% 187927 ± 3% +259.4% 200733 ± 2% meminfo.AnonHugePages 1.80 ± 5% -0.2 1.60 ± 5% -0.2 1.60 ± 7% mpstat.cpu.all.usr% 8077 ± 7% +11.8% 9030 ± 5% +4.6% 8451 ± 7% numa-vmstat.node0.nr_kernel_stack 120605 ± 3% -10.0% 108597 ± 3% -10.5% 107928 ± 3% vmstat.system.in 1868 ± 32% +75.1% 3271 ± 14% +87.1% 3495 ± 20% turbostat.C1 9123408 ± 5% -13.8% 7863298 ± 7% -14.0% 7846843 ± 6% turbostat.IRQ 59.62 ± 49% +125.4% 134.38 ± 88% +267.9% 219.38 ± 85% turbostat.POLL 24.33 ± 43% +69.1% 41.14 ± 35% +9.0% 26.51 ± 53% sched_debug.cfs_rq:/.removed.load_avg.avg 104.44 ± 21% +29.2% 134.94 ± 17% +3.2% 107.78 ± 26% sched_debug.cfs_rq:/.removed.load_avg.stddev 106.26 ± 16% -17.6% 87.53 ± 21% -24.6% 80.11 ± 21% sched_debug.cfs_rq:/.util_est_enqueued.stddev 35387 ± 59% +127.7% 80580 ± 53% +249.2% 123565 ± 57% sched_debug.cpu.avg_idle.min 1156 ± 7% -21.9% 903.06 ± 5% -23.2% 888.25 ± 15% sched_debug.cpu.nr_switches.min 20719 ±111% -51.1% 10123 ± 71% -56.6% 8996 ± 29% numa-meminfo.node0.Active 20639 ±111% -51.5% 10001 ± 72% -56.8% 8916 ± 29% numa-meminfo.node0.Active(anon) 31253 ± 70% +142.7% 75839 ± 20% +214.1% 98180 ± 22% numa-meminfo.node0.AnonHugePages 8076 ± 7% +11.8% 9029 ± 5% +4.7% 8451 ± 7% numa-meminfo.node0.KernelStack 24260 ± 62% +360.8% 111783 ± 17% +321.2% 102184 ± 21% numa-meminfo.node1.AnonHugePages 283702 ± 16% +40.9% 399633 ± 18% +35.9% 385485 ± 11% numa-meminfo.node1.AnonPages.max 251.12 -48.2% 130.00 -47.9% 130.75 stress-ng.numa.ops 4.10 -49.4% 2.08 -49.2% 2.09 stress-ng.numa.ops_per_sec 61658 -53.5% 28697 -53.3% 28768 stress-ng.time.minor_page_faults 3727 +2.8% 3832 +2.9% 3833 stress-ng.time.system_time 10.41 -48.6% 5.35 -48.7% 5.34 stress-ng.time.user_time 4313 ± 4% -47.0% 2285 ± 8% -48.3% 2230 ± 7% stress-ng.time.voluntary_context_switches 63.61 +2.5% 65.20 +2.7% 65.30 time.elapsed_time 63.61 +2.5% 65.20 +2.7% 65.30 time.elapsed_time.max 61658 -53.5% 28697 -53.3% 28768 time.minor_page_faults 3727 +2.8% 3832 +2.9% 3833 time.system_time 10.41 -48.6% 5.35 -48.7% 5.34 time.user_time 4313 ± 4% -47.0% 2285 ± 8% -48.3% 2230 ± 7% time.voluntary_context_switches 120325 +6.1% 127672 ± 6% +0.9% 121431 proc-vmstat.nr_anon_pages 27.33 ± 29% +236.0% 91.83 ± 3% +258.6% 98.02 ± 2% proc-vmstat.nr_anon_transparent_hugepages 148677 +6.2% 157844 ± 4% +0.7% 149763 proc-vmstat.nr_inactive_anon 98.10 ± 25% -52.8% 46.30 ± 69% -55.3% 43.82 ± 64% proc-vmstat.nr_isolated_file 2809 +9.0% 3063 ± 28% -3.9% 2698 ± 2% proc-vmstat.nr_page_table_pages 148670 +6.2% 157837 ± 4% +0.7% 149765 proc-vmstat.nr_zone_inactive_anon 2580003 -5.8% 2431297 -5.8% 2431173 proc-vmstat.numa_hit 1488693 -5.8% 1402808 -5.8% 1401633 proc-vmstat.numa_local 1091291 -5.8% 1028489 -5.7% 1029540 proc-vmstat.numa_other 9.56e+08 +2.1% 9.757e+08 +2.1% 9.761e+08 proc-vmstat.pgalloc_normal 469554 -7.6% 433894 -7.3% 435076 proc-vmstat.pgfault 9.559e+08 +2.1% 9.756e+08 +2.1% 9.76e+08 proc-vmstat.pgfree 17127 ± 21% -55.4% 7647 ± 64% -55.0% 7700 ± 52% proc-vmstat.pgmigrate_fail 9.554e+08 +2.1% 9.751e+08 +2.1% 9.754e+08 proc-vmstat.pgmigrate_success 1865641 +2.1% 1904388 +2.1% 1905158 proc-vmstat.thp_migration_success 0.43 ± 8% -0.1 0.30 ± 10% -0.2 0.28 ± 12% perf-profile.children.cycles-pp.queue_pages_range 0.43 ± 8% -0.1 0.30 ± 10% -0.2 0.28 ± 12% perf-profile.children.cycles-pp.walk_page_range 0.32 ± 8% -0.1 0.21 ± 11% -0.1 0.19 ± 13% perf-profile.children.cycles-pp.__walk_page_range 0.30 ± 8% -0.1 0.19 ± 12% -0.1 0.17 ± 13% perf-profile.children.cycles-pp.walk_pud_range 0.31 ± 9% -0.1 0.20 ± 12% -0.1 0.19 ± 12% perf-profile.children.cycles-pp.walk_pgd_range 0.30 ± 8% -0.1 0.20 ± 11% -0.1 0.18 ± 13% perf-profile.children.cycles-pp.walk_p4d_range 0.29 ± 8% -0.1 0.18 ± 11% -0.1 0.17 ± 13% perf-profile.children.cycles-pp.walk_pmd_range 0.28 ± 8% -0.1 0.17 ± 11% -0.1 0.16 ± 13% perf-profile.children.cycles-pp.queue_folios_pte_range 0.13 ± 12% -0.1 0.07 ± 11% -0.1 0.06 ± 17% perf-profile.children.cycles-pp.vm_normal_folio 0.18 ± 4% -0.0 0.15 ± 3% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.add_page_for_migration 0.12 ± 4% -0.0 0.12 ± 5% -0.0 0.11 ± 4% perf-profile.children.cycles-pp.__cond_resched 98.65 +0.2 98.82 +0.2 98.88 perf-profile.children.cycles-pp.migrate_pages_batch 98.66 +0.2 98.83 +0.2 98.89 perf-profile.children.cycles-pp.migrate_pages_sync 98.68 +0.2 98.85 +0.2 98.91 perf-profile.children.cycles-pp.migrate_pages 0.10 ± 11% -0.0 0.05 ± 12% -0.1 0.04 ± 79% perf-profile.self.cycles-pp.vm_normal_folio 0.13 ± 8% -0.0 0.08 ± 14% -0.0 0.08 ± 14% perf-profile.self.cycles-pp.queue_folios_pte_range 0.17 ± 89% -100.0% 0.00 -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 0.45 ± 59% +124.4% 1.01 ± 81% +1094.5% 5.40 ±120% perf-sched.sch_delay.avg.ms.syslog_print.do_syslog.kmsg_read.vfs_read 27.27 ± 95% -75.2% 6.77 ± 83% -48.4% 14.08 ± 77% perf-sched.sch_delay.max.ms.__cond_resched.folio_copy.migrate_folio_extra.move_to_new_folio.migrate_pages_batch 2.00 ± 88% -100.0% 0.00 -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 4.30 ± 86% -50.9% 2.11 ± 67% -90.0% 0.43 ±261% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt 3.31 ± 53% -55.8% 1.46 ±218% -81.0% 0.63 ±182% perf-sched.sch_delay.max.ms.synchronize_rcu_expedited.lru_cache_disable.do_pages_move.kernel_move_pages 190.22 ± 41% +125.2% 428.42 ± 60% +72.7% 328.46 ± 21% perf-sched.wait_and_delay.avg.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 294.56 ± 10% +44.0% 424.28 ± 16% +62.5% 478.70 ± 13% perf-sched.wait_and_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 322.33 ± 5% +46.1% 470.78 ± 10% +40.8% 453.90 ± 10% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 117.25 ± 11% -13.3% 101.62 ± 34% -24.6% 88.38 ± 17% perf-sched.wait_and_delay.count.__cond_resched.down_read.add_page_for_migration.do_pages_move.kernel_move_pages 307.25 ± 7% -54.6% 139.62 ± 4% -55.2% 137.62 ± 5% perf-sched.wait_and_delay.count.__cond_resched.synchronize_rcu_expedited.lru_cache_disable.do_pages_move.kernel_move_pages 406.25 ± 3% -57.7% 171.88 ± 10% -59.0% 166.75 ± 3% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.__flush_work.isra.0 142.50 ± 33% -76.8% 33.00 ±139% -65.8% 48.75 ± 83% perf-sched.wait_and_delay.count.synchronize_rcu_expedited.lru_cache_disable.do_pages_move.kernel_move_pages 1196 ± 3% -37.9% 743.38 ± 10% -38.5% 736.00 ± 9% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 1749 ± 19% +45.1% 2537 ± 6% +76.0% 3078 ± 18% perf-sched.wait_and_delay.max.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 2691 ± 15% +48.8% 4003 ± 6% +44.6% 3892 ± 11% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 2.82 ± 14% -100.0% 0.00 -81.1% 0.53 ±264% perf-sched.wait_time.avg.ms.__cond_resched.down_read.migrate_to_node.do_migrate_pages.kernel_migrate_pages 199.40 ± 29% +114.8% 428.41 ± 60% +64.7% 328.44 ± 21% perf-sched.wait_time.avg.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 3.09 ± 16% -100.0% 0.00 -84.4% 0.48 ±264% perf-sched.wait_time.avg.ms.__cond_resched.queue_folios_pte_range.walk_pmd_range.isra.0 1.94 ± 50% -100.0% 0.00 -74.2% 0.50 ±264% perf-sched.wait_time.avg.ms.__cond_resched.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 294.30 ± 10% +44.1% 424.17 ± 16% +62.6% 478.57 ± 13% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 0.98 ±107% -100.0% 0.00 -95.8% 0.04 ±264% perf-sched.wait_time.avg.ms.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 321.84 ± 5% +46.1% 470.35 ± 10% +40.8% 453.02 ± 10% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 7.31 ± 53% -100.0% 0.00 -87.7% 0.90 ±264% perf-sched.wait_time.max.ms.__cond_resched.down_read.migrate_to_node.do_migrate_pages.kernel_migrate_pages 6.45 ± 16% -100.0% 0.00 -84.5% 1.00 ±264% perf-sched.wait_time.max.ms.__cond_resched.queue_folios_pte_range.walk_pmd_range.isra.0 6.17 ± 45% -100.0% 0.00 -91.9% 0.50 ±264% perf-sched.wait_time.max.ms.__cond_resched.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 11.63 ±118% -93.3% 0.78 ±178% -89.3% 1.24 ±245% perf-sched.wait_time.max.ms.exp_funnel_lock.synchronize_rcu_expedited.lru_cache_disable.do_pages_move 1749 ± 19% +45.1% 2537 ± 6% +76.0% 3078 ± 18% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.__flush_work.isra.0 2.49 ± 88% -100.0% 0.00 -98.4% 0.04 ±264% perf-sched.wait_time.max.ms.synchronize_rcu_expedited.lru_cache_disable.do_migrate_pages.kernel_migrate_pages 2691 ± 15% +48.8% 4003 ± 6% +44.6% 3892 ± 11% perf-sched.wait_time.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 340.81 +38.9% 473.47 +38.4% 471.58 perf-stat.i.MPKI 1.131e+09 -25.0% 8.485e+08 -25.2% 8.465e+08 ± 2% perf-stat.i.branch-instructions 68.31 +1.1 69.37 +1.1 69.37 perf-stat.i.cache-miss-rate% 46.16 +38.1% 63.73 +37.5% 63.45 perf-stat.i.cpi 157.48 -7.7% 145.30 ± 2% -8.1% 144.76 ± 2% perf-stat.i.cpu-migrations 0.02 ± 2% +0.0 0.02 ± 16% +0.0 0.02 perf-stat.i.dTLB-load-miss-rate% 165432 ± 2% -2.9% 160583 ± 12% -8.3% 151664 perf-stat.i.dTLB-load-misses 1.133e+09 -21.9% 8.846e+08 -22.1% 8.823e+08 ± 2% perf-stat.i.dTLB-loads 0.02 -0.0 0.01 ± 3% -0.0 0.01 perf-stat.i.dTLB-store-miss-rate% 98452 -31.8% 67127 ± 2% -32.2% 66739 ± 2% perf-stat.i.dTLB-store-misses 5.668e+08 -13.7% 4.891e+08 -13.9% 4.879e+08 perf-stat.i.dTLB-stores 5.684e+09 -24.5% 4.292e+09 -24.7% 4.282e+09 ± 2% perf-stat.i.instructions 0.07 ± 2% -14.5% 0.06 ± 3% -14.6% 0.06 ± 5% perf-stat.i.ipc 88.20 -10.7% 78.73 -11.0% 78.53 perf-stat.i.metric.M/sec 1.242e+08 +0.9% 1.254e+08 +1.0% 1.255e+08 perf-stat.i.node-load-misses 76214273 +1.0% 76999051 +1.2% 77103845 perf-stat.i.node-loads 247.93 +32.1% 327.57 ± 2% +32.1% 327.56 ± 2% perf-stat.overall.MPKI 0.92 ± 4% +0.2 1.13 ± 5% +0.2 1.12 ± 5% perf-stat.overall.branch-miss-rate% 69.51 +0.9 70.45 +1.0 70.50 perf-stat.overall.cache-miss-rate% 33.77 +31.3% 44.35 ± 2% +31.3% 44.35 ± 2% perf-stat.overall.cpi 0.01 ± 2% +0.0 0.02 ± 13% +0.0 0.02 ± 2% perf-stat.overall.dTLB-load-miss-rate% 0.02 -0.0 0.01 ± 2% -0.0 0.01 perf-stat.overall.dTLB-store-miss-rate% 0.03 -23.9% 0.02 ± 2% -23.9% 0.02 perf-stat.overall.ipc 1.084e+09 -24.2% 8.217e+08 ± 2% -24.2% 8.216e+08 ± 2% perf-stat.ps.branch-instructions 154.44 -8.0% 142.02 ± 2% -8.6% 141.20 ± 2% perf-stat.ps.cpu-migrations 163178 ± 3% -3.1% 158185 ± 12% -8.0% 150107 ± 2% perf-stat.ps.dTLB-load-misses 1.089e+09 -21.1% 8.585e+08 -21.2% 8.581e+08 perf-stat.ps.dTLB-loads 96861 -31.9% 65975 ± 2% -32.1% 65796 ± 2% perf-stat.ps.dTLB-store-misses 5.503e+08 -13.1% 4.781e+08 -13.2% 4.776e+08 perf-stat.ps.dTLB-stores 5.447e+09 -23.7% 4.157e+09 -23.7% 4.157e+09 perf-stat.ps.instructions 1.223e+08 +1.0% 1.235e+08 +1.0% 1.235e+08 perf-stat.ps.node-load-misses 75118302 +1.1% 75929311 +1.1% 75927016 perf-stat.ps.node-loads 3.496e+11 -21.7% 2.737e+11 -21.7% 2.739e+11 ± 2% perf-stat.total.instructions