Messages in this thread | | | Date | Sun, 3 Mar 2019 10:34:19 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [LKP] [rcu] 7e28c5af4e: will-it-scale.per_process_ops 84.7% improvement |
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On Thu, Feb 28, 2019 at 12:50:15PM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed a 84.7% improvement of will-it-scale.per_process_ops due to commit: > > > commit: 7e28c5af4ef6b539334aa5de40feca0c041c94df ("rcu: Eliminate ->rcu_qs_ctr from the rcu_dynticks structure") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: will-it-scale > on test machine: 288 threads Intel(R) Xeon Phi(TM) CPU 7295 @ 1.50GHz with 80G memory > with following parameters: > > nr_task: 100% > mode: process > test: brk1 > cpufreq_governor: performance > > test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two. > test-url: https://github.com/antonblanchard/will-it-scale
It looks like getting rid of the rcu_dynticks structure improved cache locality. Or am I missing something in the wealth of statistic herein?
Thanx, Paul
> 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/mode/nr_task/rootfs/tbox_group/test/testcase: > gcc-7/performance/x86_64-rhel-7.2/process/100%/debian-x86_64-2018-04-03.cgz/lkp-knm01/brk1/will-it-scale > > commit: > c5bacd9417 ("rcu: Motivate Tiny RCU forward progress") > 7e28c5af4e ("rcu: Eliminate ->rcu_qs_ctr from the rcu_dynticks structure") > > c5bacd94173ec49d 7e28c5af4ef6b539334aa5de40 > ---------------- -------------------------- > %stddev %change %stddev > \ | \ > 48605 +84.7% 89756 ± 4% will-it-scale.per_process_ops > 13998509 +84.7% 25850040 ± 4% will-it-scale.workload > 0.01 ± 63% -0.0 0.00 ±131% mpstat.cpu.soft% > 11.86 ± 3% -1.2 10.65 ± 4% mpstat.cpu.usr% > 662910 +15.8% 767829 ± 3% numa-numastat.node0.local_node > 662889 +15.8% 767801 ± 3% numa-numastat.node0.numa_hit > 2149 ± 4% -16.9% 1785 ± 2% vmstat.system.cs > 727237 ± 3% -14.9% 618668 vmstat.system.in > 284156 ± 4% +32.5% 376625 numa-meminfo.node0.Active > 283908 ± 4% +32.6% 376374 numa-meminfo.node0.Active(anon) > 110629 ± 15% -77.7% 24625 ± 18% numa-meminfo.node0.Inactive > 110393 ± 15% -77.9% 24400 ± 19% numa-meminfo.node0.Inactive(anon) > 284255 ± 4% +32.5% 376666 meminfo.Active > 284007 ± 4% +32.5% 376415 meminfo.Active(anon) > 110855 ± 15% -77.8% 24620 ± 18% meminfo.Inactive > 110619 ± 15% -77.9% 24395 ± 19% meminfo.Inactive(anon) > 8.00 ±173% +11303.1% 912.25 ± 87% meminfo.Mlocked > 11072 -15.7% 9338 ± 3% meminfo.max_used_kB > 71004 ± 4% +32.6% 94124 numa-vmstat.node0.nr_active_anon > 27812 ± 15% -78.1% 6100 ± 19% numa-vmstat.node0.nr_inactive_anon > 1.00 ±173% +13100.0% 132.00 ± 87% numa-vmstat.node0.nr_mlock > 71002 ± 4% +32.6% 94122 numa-vmstat.node0.nr_zone_active_anon > 27811 ± 15% -78.1% 6100 ± 19% numa-vmstat.node0.nr_zone_inactive_anon > 1.00 ±173% +9450.0% 95.50 ± 87% numa-vmstat.node1.nr_mlock > 70939 ± 4% +32.8% 94186 proc-vmstat.nr_active_anon > 27523 ± 15% -77.8% 6101 ± 19% proc-vmstat.nr_inactive_anon > 2.25 ±173% +10044.4% 228.25 ± 86% proc-vmstat.nr_mlock > 70939 ± 4% +32.8% 94186 proc-vmstat.nr_zone_active_anon > 27523 ± 15% -77.8% 6101 ± 19% proc-vmstat.nr_zone_inactive_anon > 680060 +15.8% 787707 ± 2% proc-vmstat.numa_hit > 680060 +15.8% 787707 ± 2% proc-vmstat.numa_local > 140509 ± 10% -45.3% 76820 ± 24% proc-vmstat.numa_pte_updates > 895.50 ± 30% +480.0% 5193 ± 36% proc-vmstat.pgactivate > 774283 +13.9% 882060 ± 3% proc-vmstat.pgalloc_normal > 653457 +21.9% 796258 ± 3% proc-vmstat.pgfault > 610954 ± 2% +32.4% 808662 ± 3% proc-vmstat.pgfree > 5299 ± 6% +106.4% 10939 ± 36% softirqs.CPU10.RCU > 106293 ± 5% +28.2% 136274 ± 15% softirqs.CPU126.TIMER > 108234 ± 6% +26.3% 136696 ± 15% softirqs.CPU127.TIMER > 109747 ± 7% +26.4% 138696 ± 11% softirqs.CPU135.TIMER > 111732 ± 8% +24.4% 138967 ± 11% softirqs.CPU138.TIMER > 107031 ± 8% +26.7% 135558 ± 14% softirqs.CPU148.TIMER > 100841 +23.1% 124155 ± 15% softirqs.CPU15.TIMER > 104640 ± 4% +27.8% 133719 ± 16% softirqs.CPU172.TIMER > 103142 ± 3% +30.9% 135023 ± 13% softirqs.CPU190.TIMER > 106698 ± 10% +27.5% 136023 ± 13% softirqs.CPU197.TIMER > 110268 ± 2% +22.5% 135052 ± 12% softirqs.CPU205.TIMER > 106111 ± 8% +23.9% 131436 ± 14% softirqs.CPU206.TIMER > 106894 ± 6% +28.7% 137574 ± 14% softirqs.CPU213.TIMER > 108418 ± 8% +28.3% 139100 ± 12% softirqs.CPU214.TIMER > 100170 ± 10% +32.8% 132978 ± 15% softirqs.CPU215.TIMER > 100836 ± 2% +30.3% 131406 ± 17% softirqs.CPU217.TIMER > 112497 ± 8% +22.9% 138291 ± 13% softirqs.CPU219.TIMER > 108669 ± 10% +22.1% 132720 ± 15% softirqs.CPU220.TIMER > 108584 ± 8% +25.5% 136230 ± 13% softirqs.CPU227.TIMER > 106251 ± 6% +28.6% 136686 ± 11% softirqs.CPU236.TIMER > 105296 ± 7% +31.3% 138251 ± 12% softirqs.CPU238.TIMER > 3915 ± 8% +77.4% 6945 ± 30% softirqs.CPU249.RCU > 101465 ± 2% +26.5% 128388 ± 19% softirqs.CPU271.TIMER > 104242 ± 8% +23.7% 128907 ± 17% softirqs.CPU70.TIMER > 107020 ± 7% +26.9% 135845 ± 13% softirqs.CPU92.TIMER > 9.659e+09 ± 10% +16.3% 1.124e+10 ± 3% perf-stat.i.branch-instructions > 6.69 +1.0 7.69 ± 2% perf-stat.i.branch-miss-rate% > 6.443e+08 ± 10% +33.3% 8.59e+08 ± 2% perf-stat.i.branch-misses > 4.10 ± 6% +0.9 5.04 ± 10% perf-stat.i.cache-miss-rate% > 67464898 ± 10% +25.2% 84491315 ± 4% perf-stat.i.cache-misses > 2820 ± 13% -32.4% 1906 ± 3% perf-stat.i.context-switches > 15.34 -37.0% 9.67 ± 3% perf-stat.i.cpi > 7.067e+11 ± 11% -30.2% 4.932e+11 ± 4% perf-stat.i.cpu-cycles > 71.93 ± 10% -41.9% 41.79 ± 9% perf-stat.i.cpu-migrations > 2.36 -0.0 2.33 perf-stat.i.iTLB-load-miss-rate% > 1.106e+09 ± 10% +15.1% 1.273e+09 ± 2% perf-stat.i.iTLB-load-misses > 4.569e+10 ± 10% +17.0% 5.345e+10 ± 3% perf-stat.i.iTLB-loads > 4.621e+10 ± 10% +16.1% 5.364e+10 ± 3% perf-stat.i.instructions > 0.07 +64.1% 0.11 ± 3% perf-stat.i.ipc > 3524 ± 11% -18.3% 2878 perf-stat.i.minor-faults > 993359 ± 11% -32.0% 675215 ± 2% perf-stat.i.msec > 3529 ± 11% -18.5% 2878 perf-stat.i.page-faults > 6.67 +1.0 7.65 perf-stat.overall.branch-miss-rate% > 3.91 +0.6 4.54 ± 3% perf-stat.overall.cache-miss-rate% > 15.28 -39.8% 9.20 ± 3% perf-stat.overall.cpi > 2.36 -0.0 2.33 perf-stat.overall.iTLB-load-miss-rate% > 41.78 +0.9% 42.13 perf-stat.overall.instructions-per-iTLB-miss > 0.07 +66.4% 0.11 ± 3% perf-stat.overall.ipc > 580565 -5.5% 548645 perf-stat.overall.path-length > 1.699e+12 +74.9% 2.971e+12 ± 4% perf-stat.total.branch-instructions > 1.133e+11 +100.6% 2.272e+11 ± 5% perf-stat.total.branch-misses > 1.186e+10 +88.0% 2.23e+10 perf-stat.total.cache-misses > 3.032e+11 +62.2% 4.918e+11 ± 2% perf-stat.total.cache-references > 1.242e+14 +4.8% 1.302e+14 perf-stat.total.cpu-cycles > 12654 -13.0% 11014 ± 5% perf-stat.total.cpu-migrations > 1.945e+11 +73.0% 3.365e+11 ± 3% perf-stat.total.iTLB-load-misses > 8.038e+12 +75.8% 1.413e+13 ± 4% perf-stat.total.iTLB-loads > 8.127e+12 +74.5% 1.418e+13 ± 4% perf-stat.total.instructions > 619183 +22.9% 760791 ± 3% perf-stat.total.minor-faults > 620031 +22.7% 760750 ± 3% perf-stat.total.page-faults > 23472574 ± 28% -50.0% 11736977 ± 60% sched_debug.cfs_rq:/.MIN_vruntime.max > 1380731 ± 28% -46.9% 733243 ± 66% sched_debug.cfs_rq:/.MIN_vruntime.stddev > 109109 +17.1% 127734 sched_debug.cfs_rq:/.exec_clock.avg > 115740 +12.4% 130080 sched_debug.cfs_rq:/.exec_clock.max > 4252 ± 4% -50.4% 2110 ± 36% sched_debug.cfs_rq:/.exec_clock.stddev > 6243 ± 12% -14.0% 5369 ± 15% sched_debug.cfs_rq:/.load.avg > 887713 ± 24% -30.6% 616115 ± 43% sched_debug.cfs_rq:/.load.max > 53788 ± 23% -30.4% 37427 ± 40% sched_debug.cfs_rq:/.load.stddev > 23472574 ± 28% -50.0% 11736977 ± 60% sched_debug.cfs_rq:/.max_vruntime.max > 1380731 ± 28% -46.9% 733243 ± 66% sched_debug.cfs_rq:/.max_vruntime.stddev > 36862110 +17.8% 43411425 sched_debug.cfs_rq:/.min_vruntime.avg > 39448691 +12.5% 44387703 sched_debug.cfs_rq:/.min_vruntime.max > 1668979 ± 3% -45.0% 917652 ± 30% sched_debug.cfs_rq:/.min_vruntime.stddev > 1.38 ± 9% -9.1% 1.25 ± 6% sched_debug.cfs_rq:/.nr_running.max > 0.56 ± 19% +42.2% 0.80 sched_debug.cfs_rq:/.nr_running.min > 0.07 ± 13% -32.7% 0.05 ± 15% sched_debug.cfs_rq:/.nr_running.stddev > 2.25 ± 3% -51.5% 1.09 ± 2% sched_debug.cfs_rq:/.nr_spread_over.avg > 6235 ± 12% -14.0% 5361 ± 16% sched_debug.cfs_rq:/.runnable_weight.avg > 887713 ± 24% -30.6% 616088 ± 43% sched_debug.cfs_rq:/.runnable_weight.max > 53791 ± 23% -30.4% 37423 ± 40% sched_debug.cfs_rq:/.runnable_weight.stddev > 513480 ± 46% -68.1% 163689 ± 16% sched_debug.cfs_rq:/.spread0.avg > 992070 ± 25% -55.6% 440313 ± 8% sched_debug.cfs_rq:/.spread0.max > 271.31 ± 25% +54.1% 418.15 ± 23% sched_debug.cfs_rq:/.util_avg.min > 71.69 ± 6% -14.9% 61.03 ± 7% sched_debug.cfs_rq:/.util_avg.stddev > 638.86 +18.5% 756.85 ± 3% sched_debug.cfs_rq:/.util_est_enqueued.avg > 131.07 ± 2% -17.0% 108.78 ± 5% sched_debug.cfs_rq:/.util_est_enqueued.stddev > 1617727 ± 4% -24.5% 1222141 ± 11% sched_debug.cpu.avg_idle.avg > 167800 ± 2% +13.3% 190124 ± 4% sched_debug.cpu.clock.avg > 174380 +10.3% 192313 ± 4% sched_debug.cpu.clock.max > 161230 ± 2% +16.5% 187888 ± 4% sched_debug.cpu.clock.min > 3797 ± 4% -66.4% 1276 ± 8% sched_debug.cpu.clock.stddev > 167800 ± 2% +13.3% 190124 ± 4% sched_debug.cpu.clock_task.avg > 174380 +10.3% 192313 ± 4% sched_debug.cpu.clock_task.max > 161230 ± 2% +16.5% 187888 ± 4% sched_debug.cpu.clock_task.min > 3797 ± 4% -66.4% 1276 ± 8% sched_debug.cpu.clock_task.stddev > 5416 ± 2% +15.6% 6262 ± 5% sched_debug.cpu.curr->pid.max > 2045 ± 18% +20.6% 2466 ± 3% sched_debug.cpu.curr->pid.min > 892728 ± 7% -37.5% 557989 ± 5% sched_debug.cpu.max_idle_balance_cost.avg > 4113479 ± 18% -51.6% 1989769 ± 36% sched_debug.cpu.max_idle_balance_cost.max > 461057 ± 17% -67.6% 149491 ± 36% sched_debug.cpu.max_idle_balance_cost.stddev > 0.00 ± 4% -65.8% 0.00 ± 23% sched_debug.cpu.next_balance.stddev > 117031 +16.4% 136279 sched_debug.cpu.nr_load_updates.avg > 139472 ± 3% +16.0% 161763 ± 4% sched_debug.cpu.nr_load_updates.max > 109218 +22.1% 133390 sched_debug.cpu.nr_load_updates.min > 3910 ± 3% -46.0% 2111 ± 19% sched_debug.cpu.nr_load_updates.stddev > 0.16 ± 4% -19.4% 0.13 ± 3% sched_debug.cpu.nr_running.stddev > 1108 +12.5% 1247 ± 2% sched_debug.cpu.nr_switches.avg > 26767 ± 16% +60.1% 42860 ± 15% sched_debug.cpu.nr_switches.max > 2342 ± 4% +34.2% 3144 ± 7% sched_debug.cpu.nr_switches.stddev > 29066 ± 11% +83.5% 53341 ± 36% sched_debug.cpu.sched_count.max > 2473 ± 2% +61.3% 3988 ± 33% sched_debug.cpu.sched_count.stddev > 275.25 ± 3% +33.5% 367.54 sched_debug.cpu.ttwu_count.avg > 10910 ± 17% +67.3% 18254 ± 13% sched_debug.cpu.ttwu_count.max > 50.31 ± 2% +19.9% 60.30 ± 2% sched_debug.cpu.ttwu_count.min > 832.06 ± 10% +46.1% 1215 ± 7% sched_debug.cpu.ttwu_count.stddev > 176.33 +42.8% 251.81 ± 2% sched_debug.cpu.ttwu_local.avg > 10535 ± 18% +69.7% 17877 ± 14% sched_debug.cpu.ttwu_local.max > 31.56 +15.2% 36.35 sched_debug.cpu.ttwu_local.min > 729.04 ± 13% +57.2% 1146 ± 9% sched_debug.cpu.ttwu_local.stddev > 161164 ± 2% +16.6% 187864 ± 4% sched_debug.cpu_clk > 160513 ± 2% +16.6% 187213 ± 4% sched_debug.ktime > 1.31 ± 24% +39.1% 1.82 sched_debug.rt_rq:/.rt_runtime.stddev > 161891 ± 2% +16.3% 188213 ± 4% sched_debug.sched_clk > 745.75 ± 61% -87.9% 90.25 ±173% interrupts.36:IR-PCI-MSI.2621442-edge.eth1-TxRx-1 > 961.75 ± 48% -75.5% 235.25 ±173% interrupts.37:IR-PCI-MSI.2621443-edge.eth1-TxRx-2 > 4649 ± 16% -25.2% 3475 ± 3% interrupts.CPU100.NMI:Non-maskable_interrupts > 4649 ± 16% -25.2% 3475 ± 3% interrupts.CPU100.PMI:Performance_monitoring_interrupts > 30.50 ± 17% +277.9% 115.25 ± 49% interrupts.CPU109.RES:Rescheduling_interrupts > 552027 ± 5% +12.2% 619466 ± 2% interrupts.CPU110.LOC:Local_timer_interrupts > 274.50 ± 59% -44.9% 151.25 ± 92% interrupts.CPU116.RES:Rescheduling_interrupts > 37.50 ± 47% +323.3% 158.75 ± 43% interrupts.CPU121.RES:Rescheduling_interrupts > 7275 ± 12% -45.9% 3937 ± 25% interrupts.CPU125.NMI:Non-maskable_interrupts > 7275 ± 12% -45.9% 3937 ± 25% interrupts.CPU125.PMI:Performance_monitoring_interrupts > 5151 ± 34% -32.6% 3470 ± 6% interrupts.CPU140.NMI:Non-maskable_interrupts > 5151 ± 34% -32.6% 3470 ± 6% interrupts.CPU140.PMI:Performance_monitoring_interrupts > 5589 ± 28% -26.0% 4134 ± 32% interrupts.CPU153.NMI:Non-maskable_interrupts > 5589 ± 28% -26.0% 4134 ± 32% interrupts.CPU153.PMI:Performance_monitoring_interrupts > 745.75 ± 61% -87.9% 90.25 ±173% interrupts.CPU16.36:IR-PCI-MSI.2621442-edge.eth1-TxRx-1 > 961.75 ± 48% -75.5% 235.25 ±173% interrupts.CPU17.37:IR-PCI-MSI.2621443-edge.eth1-TxRx-2 > 6606 ± 25% -38.6% 4057 ± 27% interrupts.CPU171.NMI:Non-maskable_interrupts > 6606 ± 25% -38.6% 4057 ± 27% interrupts.CPU171.PMI:Performance_monitoring_interrupts > 5916 ± 21% -28.9% 4205 ± 28% interrupts.CPU172.NMI:Non-maskable_interrupts > 5916 ± 21% -28.9% 4205 ± 28% interrupts.CPU172.PMI:Performance_monitoring_interrupts > 85.50 ± 36% -79.2% 17.75 ± 72% interrupts.CPU176.RES:Rescheduling_interrupts > 74.00 ± 79% -79.1% 15.50 ± 27% interrupts.CPU177.RES:Rescheduling_interrupts > 6513 ± 21% -36.4% 4139 ± 24% interrupts.CPU180.NMI:Non-maskable_interrupts > 6513 ± 21% -36.4% 4139 ± 24% interrupts.CPU180.PMI:Performance_monitoring_interrupts > 17.50 ± 32% +371.4% 82.50 ±101% interrupts.CPU181.RES:Rescheduling_interrupts > 41.00 ±101% +232.9% 136.50 ± 79% interrupts.CPU183.RES:Rescheduling_interrupts > 5998 ± 31% -29.3% 4238 ± 18% interrupts.CPU192.NMI:Non-maskable_interrupts > 5998 ± 31% -29.3% 4238 ± 18% interrupts.CPU192.PMI:Performance_monitoring_interrupts > 5812 ± 21% -40.6% 3450 ± 4% interrupts.CPU198.NMI:Non-maskable_interrupts > 5812 ± 21% -40.6% 3450 ± 4% interrupts.CPU198.PMI:Performance_monitoring_interrupts > 5605 ± 22% -27.0% 4093 ± 26% interrupts.CPU200.NMI:Non-maskable_interrupts > 5605 ± 22% -27.0% 4093 ± 26% interrupts.CPU200.PMI:Performance_monitoring_interrupts > 5528 ± 27% -38.1% 3423 ± 2% interrupts.CPU212.NMI:Non-maskable_interrupts > 5528 ± 27% -38.1% 3423 ± 2% interrupts.CPU212.PMI:Performance_monitoring_interrupts > 6447 ± 27% -31.2% 4433 ± 39% interrupts.CPU216.NMI:Non-maskable_interrupts > 6447 ± 27% -31.2% 4433 ± 39% interrupts.CPU216.PMI:Performance_monitoring_interrupts > 561218 ± 5% +10.4% 619618 ± 2% interrupts.CPU220.LOC:Local_timer_interrupts > 201.00 ±134% -85.0% 30.25 ± 53% interrupts.CPU228.RES:Rescheduling_interrupts > 5757 ± 22% -35.4% 3719 ± 4% interrupts.CPU229.NMI:Non-maskable_interrupts > 5757 ± 22% -35.4% 3719 ± 4% interrupts.CPU229.PMI:Performance_monitoring_interrupts > 165.75 ± 46% -70.6% 48.75 ±103% interrupts.CPU230.RES:Rescheduling_interrupts > 23.75 ± 38% +346.3% 106.00 ± 87% interrupts.CPU236.RES:Rescheduling_interrupts > 4576 ± 15% -26.0% 3385 ± 3% interrupts.CPU248.NMI:Non-maskable_interrupts > 4576 ± 15% -26.0% 3385 ± 3% interrupts.CPU248.PMI:Performance_monitoring_interrupts > 606.75 ±140% -92.7% 44.00 ± 69% interrupts.CPU252.RES:Rescheduling_interrupts > 80.00 ± 62% -67.5% 26.00 ± 30% interrupts.CPU256.RES:Rescheduling_interrupts > 5696 ± 30% -26.9% 4164 ± 26% interrupts.CPU259.NMI:Non-maskable_interrupts > 5696 ± 30% -26.9% 4164 ± 26% interrupts.CPU259.PMI:Performance_monitoring_interrupts > 1796 ± 99% -76.2% 428.00 ± 45% interrupts.CPU26.RES:Rescheduling_interrupts > 109.50 ± 70% -66.0% 37.25 ± 55% interrupts.CPU266.RES:Rescheduling_interrupts > 143.00 ± 38% -69.1% 44.25 ± 90% interrupts.CPU271.RES:Rescheduling_interrupts > 5526 ± 29% -34.5% 3619 interrupts.CPU278.NMI:Non-maskable_interrupts > 5526 ± 29% -34.5% 3619 interrupts.CPU278.PMI:Performance_monitoring_interrupts > 94.75 ± 42% -55.1% 42.50 ± 64% interrupts.CPU278.RES:Rescheduling_interrupts > 6671 ± 19% -31.4% 4579 ± 31% interrupts.CPU281.NMI:Non-maskable_interrupts > 6671 ± 19% -31.4% 4579 ± 31% interrupts.CPU281.PMI:Performance_monitoring_interrupts > 7140 ± 25% -45.1% 3917 ± 2% interrupts.CPU37.NMI:Non-maskable_interrupts > 7140 ± 25% -45.1% 3917 ± 2% interrupts.CPU37.PMI:Performance_monitoring_interrupts > 6176 ± 29% -37.9% 3834 ± 3% interrupts.CPU38.NMI:Non-maskable_interrupts > 6176 ± 29% -37.9% 3834 ± 3% interrupts.CPU38.PMI:Performance_monitoring_interrupts > 968.50 ±109% -75.0% 241.75 ± 42% interrupts.CPU38.RES:Rescheduling_interrupts > 6057 ± 24% -28.2% 4352 ± 23% interrupts.CPU41.NMI:Non-maskable_interrupts > 6057 ± 24% -28.2% 4352 ± 23% interrupts.CPU41.PMI:Performance_monitoring_interrupts > 120.00 ± 99% +376.2% 571.50 ± 85% interrupts.CPU47.RES:Rescheduling_interrupts > 177.75 ± 31% +247.4% 617.50 ± 88% interrupts.CPU48.RES:Rescheduling_interrupts > 110.00 ± 83% +116.6% 238.25 ± 26% interrupts.CPU49.RES:Rescheduling_interrupts > 6925 ± 22% -45.4% 3781 ± 3% interrupts.CPU50.NMI:Non-maskable_interrupts > 6925 ± 22% -45.4% 3781 ± 3% interrupts.CPU50.PMI:Performance_monitoring_interrupts > 180.25 ± 97% +685.2% 1415 ±115% interrupts.CPU51.RES:Rescheduling_interrupts > 182.50 ± 53% +1719.2% 3320 ± 62% interrupts.CPU52.RES:Rescheduling_interrupts > 5043 ± 18% -26.0% 3730 ± 5% interrupts.CPU57.NMI:Non-maskable_interrupts > 5043 ± 18% -26.0% 3730 ± 5% interrupts.CPU57.PMI:Performance_monitoring_interrupts > 3655 ± 9% +33.0% 4863 ± 21% interrupts.CPU60.NMI:Non-maskable_interrupts > 3655 ± 9% +33.0% 4863 ± 21% interrupts.CPU60.PMI:Performance_monitoring_interrupts > 6130 ± 24% -28.1% 4410 ± 21% interrupts.CPU64.NMI:Non-maskable_interrupts > 6130 ± 24% -28.1% 4410 ± 21% interrupts.CPU64.PMI:Performance_monitoring_interrupts > 5811 ± 25% -36.1% 3713 interrupts.CPU76.NMI:Non-maskable_interrupts > 5811 ± 25% -36.1% 3713 interrupts.CPU76.PMI:Performance_monitoring_interrupts > 6036 ± 28% -39.4% 3660 ± 5% interrupts.CPU80.NMI:Non-maskable_interrupts > 6036 ± 28% -39.4% 3660 ± 5% interrupts.CPU80.PMI:Performance_monitoring_interrupts > 6494 ± 25% -43.9% 3640 ± 5% interrupts.CPU82.NMI:Non-maskable_interrupts > 6494 ± 25% -43.9% 3640 ± 5% interrupts.CPU82.PMI:Performance_monitoring_interrupts > 6881 ± 13% -48.8% 3522 ± 3% interrupts.CPU84.NMI:Non-maskable_interrupts > 6881 ± 13% -48.8% 3522 ± 3% interrupts.CPU84.PMI:Performance_monitoring_interrupts > 110.75 ± 19% +119.4% 243.00 ± 19% interrupts.CPU9.RES:Rescheduling_interrupts > > > > will-it-scale.per_process_ops > > 95000 +-+-----------------------------------O-----------------------------+ > 90000 +-+ O O O O O | > | O O OO O O | > 85000 +-+ OOO O O O | > 80000 +-+ OO O O O | > | O O O | > 75000 +-+O O | > 70000 OO+ O O O | > 65000 +-+ | > | | > 60000 +-+ | > 55000 +-+ + + .+ .+ ++. | > | .+++.+ ++.+ :.+ + ++ + +++.+++.++ + .+++.+ +. + | > 50000 +-+ + + :+ +++ + .++ + ++.+++.+| > 45000 +-+-----------------------------------------------------------------+ > > > [*] 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, > Rong Chen
> --- > > #! jobs/will-it-scale-100.yaml > suite: will-it-scale > testcase: will-it-scale > category: benchmark > nr_task: 100% > will-it-scale: > mode: process > test: brk1 > job_origin: "/lkp/lkp/.src-20181229-091801/allot/cyclic:p1:linux-devel:devel-hourly/lkp-knm01/will-it-scale-100.yaml" > > #! queue options > queue: bisect > testbox: lkp-knm01 > tbox_group: lkp-knm01 > submit_id: 5c2b509f0b9a935849d3d1a6 > job_file: "/lkp/jobs/scheduled/lkp-knm01/will-it-scale-performance-process-100%-brk1-debian-x86_64-2018-04-03.cgz-7e28c5af4ef6b539334aa5de40feca0c041c94df-20190101-22601-1ncxbj9-0.yaml" > id: 3b65780fc5b8920f2e29ad867cd42a75eee7bd74 > queuer_version: "/lkp/lkp/.src-20181229-164014" > > #! hosts/lkp-knm01 > > #! include/category/benchmark > kmsg: > boot-time: > iostat: > heartbeat: > vmstat: > numa-numastat: > numa-vmstat: > numa-meminfo: > proc-vmstat: > proc-stat: > meminfo: > slabinfo: > interrupts: > lock_stat: > latency_stats: > softirqs: > bdi_dev_mapping: > diskstats: > nfsstat: > cpuidle: > cpufreq-stats: > turbostat: > sched_debug: > perf-stat: > mpstat: > perf-profile: > > #! include/category/ALL > cpufreq_governor: performance > > #! include/queue/cyclic > commit: 7e28c5af4ef6b539334aa5de40feca0c041c94df > > #! default params > kconfig: x86_64-rhel-7.2 > compiler: gcc-7 > rootfs: debian-x86_64-2018-04-03.cgz > enqueue_time: 2019-01-01 19:35:59.961441013 +08:00 > _id: 5c2b509f0b9a935849d3d1a6 > _rt: "/result/will-it-scale/performance-process-100%-brk1/lkp-knm01/debian-x86_64-2018-04-03.cgz/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df" > > #! schedule options > user: lkp > head_commit: ab4756ff8ee9144cb7045eff9043ed2c6522e3b1 > base_commit: 8fe28cb58bcb235034b64cbbb7550a8a43fd88be > branch: linux-devel/devel-hourly-2018123112 > result_root: "/result/will-it-scale/performance-process-100%-brk1/lkp-knm01/debian-x86_64-2018-04-03.cgz/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df/0" > scheduler_version: "/lkp/lkp/.src-20181229-164014" > LKP_SERVER: inn > max_uptime: 1500 > initrd: "/osimage/debian/debian-x86_64-2018-04-03.cgz" > bootloader_append: > - root=/dev/ram0 > - user=lkp > - job=/lkp/jobs/scheduled/lkp-knm01/will-it-scale-performance-process-100%-brk1-debian-x86_64-2018-04-03.cgz-7e28c5af4ef6b539334aa5de40feca0c041c94df-20190101-22601-1ncxbj9-0.yaml > - ARCH=x86_64 > - kconfig=x86_64-rhel-7.2 > - branch=linux-devel/devel-hourly-2018123112 > - commit=7e28c5af4ef6b539334aa5de40feca0c041c94df > - BOOT_IMAGE=/pkg/linux/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df/vmlinuz-4.19.0-rc1-00100-g7e28c5a > - max_uptime=1500 > - RESULT_ROOT=/result/will-it-scale/performance-process-100%-brk1/lkp-knm01/debian-x86_64-2018-04-03.cgz/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df/0 > - LKP_SERVER=inn > - debug > - apic=debug > - sysrq_always_enabled > - rcupdate.rcu_cpu_stall_timeout=100 > - net.ifnames=0 > - printk.devkmsg=on > - panic=-1 > - softlockup_panic=1 > - nmi_watchdog=panic > - oops=panic > - load_ramdisk=2 > - prompt_ramdisk=0 > - drbd.minor_count=8 > - systemd.log_level=err > - ignore_loglevel > - console=tty0 > - earlyprintk=ttyS0,115200 > - console=ttyS0,115200 > - vga=normal > - rw > modules_initrd: "/pkg/linux/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df/modules.cgz" > bm_initrd: "/osimage/deps/debian-x86_64-2018-04-03.cgz/run-ipconfig_2018-04-03.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/lkp_2018-04-03.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/rsync-rootfs_2018-04-03.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/will-it-scale_2018-05-17.cgz,/osimage/pkg/debian-x86_64-2018-04-03.cgz/will-it-scale-x86_64-decad85_2018-06-07.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/mpstat_2018-06-19.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/turbostat_2018-05-17.cgz,/osimage/pkg/debian-x86_64-2018-04-03.cgz/turbostat-x86_64-d5256b2_2018-05-18.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/perf_2019-01-01.cgz,/osimage/pkg/debian-x86_64-2018-04-03.cgz/perf-x86_64-e1ef035d272e_2019-01-01.cgz,/osimage/deps/debian-x86_64-2018-04-03.cgz/hw_2016-11-15.cgz" > lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" > site: inn > > #! /lkp/lkp/.src-20181229-164014/include/site/inn > LKP_CGI_PORT: 80 > LKP_CIFS_PORT: 139 > oom-killer: > watchdog: > > #! runtime status > repeat_to: 2 > model: Knights Mill > nr_node: 1 > nr_cpu: 288 > memory: 80G > hdd_partitions: > swap_partitions: LABEL=SWAP > rootfs_partition: LABEL=LKP-ROOTFS > > #! user overrides > kernel: "/pkg/linux/x86_64-rhel-7.2/gcc-7/7e28c5af4ef6b539334aa5de40feca0c041c94df/vmlinuz-4.19.0-rc1-00100-g7e28c5a" > dequeue_time: 2019-01-01 20:16:40.604583551 +08:00 > job_state: finished > loadavg: 60.12 134.31 72.59 1/1845 11197 > start_time: '1546345124' > end_time: '1546345447' > version: "/lkp/lkp/.src-20181229-164014"
> > for cpu_dir in /sys/devices/system/cpu/cpu[0-9]* > do > online_file="$cpu_dir"/online > [ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue > > file="$cpu_dir"/cpufreq/scaling_governor > [ -f "$file" ] && echo "performance" > "$file" > done > > "python2" "./runtest.py" "brk1" "295" "process" "288"
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