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[209.132.180.67]) by mx.google.com with ESMTP id f23-v6si31952592plj.494.2018.07.16.00.55.48; Mon, 16 Jul 2018 00:56:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727394AbeGPIUk (ORCPT + 99 others); Mon, 16 Jul 2018 04:20:40 -0400 Received: from mga05.intel.com ([192.55.52.43]:51556 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726305AbeGPIUj (ORCPT ); Mon, 16 Jul 2018 04:20:39 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jul 2018 00:54:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,360,1526367600"; d="scan'208";a="72659357" Received: from aaronlu.sh.intel.com (HELO intel.com) ([10.239.159.135]) by fmsmga001.fm.intel.com with ESMTP; 16 Jul 2018 00:54:31 -0700 Date: Mon, 16 Jul 2018 15:54:30 +0800 From: Aaron Lu To: Xiao Ni Cc: kernel test robot , Stephen Rothwell , lkp@01.org, LKML , Shaohua Li , Ming Lei Subject: Re: [LKP] [lkp-robot] [MD] 5a409b4f56: aim7.jobs-per-min -27.5% regression Message-ID: <20180716075430.GA16185@intel.com> References: <20180604064203.GG16472@yexl-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180604064203.GG16472@yexl-desktop> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ping... Any update on this? Feel free to ask me for any additional data if you need. Thanks, Aaron On Mon, Jun 04, 2018 at 02:42:03PM +0800, kernel test robot wrote: > > Greeting, > > FYI, we noticed a -27.5% regression of aim7.jobs-per-min due to commit: > > > commit: 5a409b4f56d50b212334f338cb8465d65550cd85 ("MD: fix lock contention for flush bios") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > in testcase: aim7 > on test machine: 40 threads Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz with 384G memory > with following parameters: > > disk: 4BRD_12G > md: RAID1 > fs: xfs > test: sync_disk_rw > load: 600 > cpufreq_governor: performance > > test-description: AIM7 is a traditional UNIX system level benchmark suite which is used to test and measure the performance of multiuser system. > test-url: https://sourceforge.net/projects/aimbench/files/aim-suite7/ > > > Details are as below: > --------------------------------------------------------------------------------------------------> > > ========================================================================================= > compiler/cpufreq_governor/disk/fs/kconfig/load/md/rootfs/tbox_group/test/testcase: > gcc-7/performance/4BRD_12G/xfs/x86_64-rhel-7.2/600/RAID1/debian-x86_64-2016-08-31.cgz/lkp-ivb-ep01/sync_disk_rw/aim7 > > commit: > 448ec638c6 ("md/raid5: Assigning NULL to sh->batch_head before testing bit R5_Overlap of a stripe") > 5a409b4f56 ("MD: fix lock contention for flush bios") > > 448ec638c6bcf369 5a409b4f56d50b212334f338cb > ---------------- -------------------------- > %stddev %change %stddev > \ | \ > 1640 -27.5% 1189 aim7.jobs-per-min > 2194 +37.9% 3026 aim7.time.elapsed_time > 2194 +37.9% 3026 aim7.time.elapsed_time.max > 50990311 -95.8% 2148266 aim7.time.involuntary_context_switches > 107965 ? 4% -26.4% 79516 ? 2% aim7.time.minor_page_faults > 49.14 +82.5% 89.66 ? 2% aim7.time.user_time > 7.123e+08 -35.7% 4.582e+08 aim7.time.voluntary_context_switches > 672282 +36.8% 919615 interrupts.CAL:Function_call_interrupts > 16631387 ? 2% -39.9% 9993075 ? 7% softirqs.RCU > 9708009 +186.1% 27778773 softirqs.SCHED > 33436649 +45.5% 48644912 softirqs.TIMER > 4.16 -2.1 2.01 mpstat.cpu.idle% > 0.24 ? 2% +27.7 27.91 mpstat.cpu.iowait% > 95.51 -25.6 69.94 mpstat.cpu.sys% > 0.09 +0.0 0.13 mpstat.cpu.usr% > 6051756 ? 3% +59.0% 9623085 numa-numastat.node0.local_node > 6055311 ? 3% +59.0% 9626996 numa-numastat.node0.numa_hit > 6481209 ? 3% +48.4% 9616310 numa-numastat.node1.local_node > 6485866 ? 3% +48.3% 9620756 numa-numastat.node1.numa_hit > 61404 -27.7% 44424 vmstat.io.bo > 2.60 ? 18% +11519.2% 302.10 vmstat.procs.b > 304.10 -84.9% 45.80 ? 2% vmstat.procs.r > 400477 -43.5% 226094 vmstat.system.cs > 166461 -49.9% 83332 vmstat.system.in > 78397 +27.0% 99567 meminfo.Dirty > 14427 +18.4% 17082 meminfo.Inactive(anon) > 1963 ? 5% +5.4% 2068 ? 4% meminfo.Mlocked > 101143 +991.0% 1103488 meminfo.SUnreclaim > 53684 ? 4% -18.1% 43946 ? 3% meminfo.Shmem > 175580 +571.4% 1178829 meminfo.Slab > 39406 +26.2% 49717 numa-meminfo.node0.Dirty > 1767204 ? 10% +37.2% 2425487 ? 2% numa-meminfo.node0.MemUsed > 51634 ? 18% +979.3% 557316 numa-meminfo.node0.SUnreclaim > 92259 ? 13% +551.7% 601288 numa-meminfo.node0.Slab > 38969 +28.0% 49863 numa-meminfo.node1.Dirty > 1895204 ? 10% +24.7% 2363037 ? 3% numa-meminfo.node1.MemUsed > 49512 ? 19% +1003.1% 546165 numa-meminfo.node1.SUnreclaim > 83323 ? 14% +593.1% 577534 numa-meminfo.node1.Slab > 2.524e+09 +894.5% 2.51e+10 cpuidle.C1.time > 50620790 +316.5% 2.109e+08 cpuidle.C1.usage > 3.965e+08 +1871.1% 7.815e+09 cpuidle.C1E.time > 5987788 +186.1% 17129412 cpuidle.C1E.usage > 2.506e+08 +97.5% 4.948e+08 ? 2% cpuidle.C3.time > 2923498 -55.7% 1295033 cpuidle.C3.usage > 5.327e+08 +179.9% 1.491e+09 cpuidle.C6.time > 779874 ? 2% +229.3% 2567769 cpuidle.C6.usage > 6191357 +3333.6% 2.126e+08 cpuidle.POLL.time > 204095 +1982.1% 4249504 cpuidle.POLL.usage > 9850 +26.3% 12444 numa-vmstat.node0.nr_dirty > 12908 ? 18% +979.3% 139321 numa-vmstat.node0.nr_slab_unreclaimable > 8876 +29.6% 11505 numa-vmstat.node0.nr_zone_write_pending > 3486319 ? 4% +55.1% 5407021 numa-vmstat.node0.numa_hit > 3482713 ? 4% +55.1% 5403066 numa-vmstat.node0.numa_local > 9743 +28.1% 12479 numa-vmstat.node1.nr_dirty > 12377 ? 19% +1003.1% 136532 numa-vmstat.node1.nr_slab_unreclaimable > 9287 +30.0% 12074 numa-vmstat.node1.nr_zone_write_pending > 3678995 ? 4% +44.8% 5326772 numa-vmstat.node1.numa_hit > 3497785 ? 4% +47.1% 5145705 numa-vmstat.node1.numa_local > 252.70 +100.2% 505.90 slabinfo.biovec-max.active_objs > 282.70 +99.1% 562.90 slabinfo.biovec-max.num_objs > 2978 ? 17% +52.5% 4543 ? 14% slabinfo.dmaengine-unmap-16.active_objs > 2978 ? 17% +52.5% 4543 ? 14% slabinfo.dmaengine-unmap-16.num_objs > 2078 +147.9% 5153 ? 11% slabinfo.ip6_dst_cache.active_objs > 2078 +148.1% 5157 ? 11% slabinfo.ip6_dst_cache.num_objs > 5538 ? 2% +26.2% 6990 ? 3% slabinfo.kmalloc-1024.active_objs > 5586 ? 3% +27.1% 7097 ? 3% slabinfo.kmalloc-1024.num_objs > 6878 +47.6% 10151 ? 5% slabinfo.kmalloc-192.active_objs > 6889 +47.5% 10160 ? 5% slabinfo.kmalloc-192.num_objs > 9843 ? 5% +1.6e+05% 16002876 slabinfo.kmalloc-64.active_objs > 161.90 ? 4% +1.5e+05% 250044 slabinfo.kmalloc-64.active_slabs > 10386 ? 4% +1.5e+05% 16002877 slabinfo.kmalloc-64.num_objs > 161.90 ? 4% +1.5e+05% 250044 slabinfo.kmalloc-64.num_slabs > 432.80 ? 12% +45.2% 628.50 ? 6% slabinfo.nfs_read_data.active_objs > 432.80 ? 12% +45.2% 628.50 ? 6% slabinfo.nfs_read_data.num_objs > 3956 -23.1% 3041 slabinfo.pool_workqueue.active_objs > 4098 -19.8% 3286 slabinfo.pool_workqueue.num_objs > 360.50 ? 15% +56.6% 564.70 ? 11% slabinfo.secpath_cache.active_objs > 360.50 ? 15% +56.6% 564.70 ? 11% slabinfo.secpath_cache.num_objs > 35373 ? 2% -8.3% 32432 proc-vmstat.nr_active_anon > 19595 +27.1% 24914 proc-vmstat.nr_dirty > 3607 +18.4% 4270 proc-vmstat.nr_inactive_anon > 490.30 ? 5% +5.4% 516.90 ? 4% proc-vmstat.nr_mlock > 13421 ? 4% -18.1% 10986 ? 3% proc-vmstat.nr_shmem > 18608 +1.2% 18834 proc-vmstat.nr_slab_reclaimable > 25286 +991.0% 275882 proc-vmstat.nr_slab_unreclaimable > 35405 ? 2% -8.3% 32465 proc-vmstat.nr_zone_active_anon > 3607 +18.4% 4270 proc-vmstat.nr_zone_inactive_anon > 18161 +29.8% 23572 proc-vmstat.nr_zone_write_pending > 76941 ? 5% -36.8% 48622 ? 4% proc-vmstat.numa_hint_faults > 33878 ? 7% -35.5% 21836 ? 5% proc-vmstat.numa_hint_faults_local > 12568956 +53.3% 19272377 proc-vmstat.numa_hit > 12560739 +53.4% 19264015 proc-vmstat.numa_local > 17938 ? 3% -33.5% 11935 ? 2% proc-vmstat.numa_pages_migrated > 78296 ? 5% -36.0% 50085 ? 4% proc-vmstat.numa_pte_updates > 8848 ? 6% -38.2% 5466 ? 6% proc-vmstat.pgactivate > 8874568 ? 8% +368.7% 41590920 proc-vmstat.pgalloc_normal > 5435965 +39.2% 7564148 proc-vmstat.pgfault > 12863707 +255.1% 45683570 proc-vmstat.pgfree > 17938 ? 3% -33.5% 11935 ? 2% proc-vmstat.pgmigrate_success > 1.379e+13 -40.8% 8.17e+12 perf-stat.branch-instructions > 0.30 +0.1 0.42 perf-stat.branch-miss-rate% > 4.2e+10 -17.6% 3.462e+10 perf-stat.branch-misses > 15.99 +3.8 19.74 perf-stat.cache-miss-rate% > 3.779e+10 -21.6% 2.963e+10 perf-stat.cache-misses > 2.364e+11 -36.5% 1.501e+11 perf-stat.cache-references > 8.795e+08 -22.2% 6.84e+08 perf-stat.context-switches > 4.44 -7.2% 4.12 perf-stat.cpi > 2.508e+14 -44.5% 1.393e+14 perf-stat.cpu-cycles > 36915392 +60.4% 59211221 perf-stat.cpu-migrations > 0.29 ? 2% +0.0 0.34 ? 4% perf-stat.dTLB-load-miss-rate% > 4.14e+10 -30.2% 2.89e+10 ? 4% perf-stat.dTLB-load-misses > 1.417e+13 -40.1% 8.491e+12 perf-stat.dTLB-loads > 0.20 ? 4% -0.0 0.18 ? 5% perf-stat.dTLB-store-miss-rate% > 3.072e+09 ? 4% -28.0% 2.21e+09 ? 4% perf-stat.dTLB-store-misses > 1.535e+12 -20.2% 1.225e+12 perf-stat.dTLB-stores > 90.73 -11.7 79.07 perf-stat.iTLB-load-miss-rate% > 8.291e+09 -6.6% 7.743e+09 perf-stat.iTLB-load-misses > 8.473e+08 +141.8% 2.049e+09 ? 3% perf-stat.iTLB-loads > 5.646e+13 -40.2% 3.378e+13 perf-stat.instructions > 6810 -35.9% 4362 perf-stat.instructions-per-iTLB-miss > 0.23 +7.8% 0.24 perf-stat.ipc > 5326672 +39.2% 7413706 perf-stat.minor-faults > 1.873e+10 -29.9% 1.312e+10 perf-stat.node-load-misses > 2.093e+10 -29.2% 1.481e+10 perf-stat.node-loads > 39.38 -0.7 38.72 perf-stat.node-store-miss-rate% > 1.087e+10 -16.6% 9.069e+09 perf-stat.node-store-misses > 1.673e+10 -14.2% 1.435e+10 perf-stat.node-stores > 5326695 +39.2% 7413708 perf-stat.page-faults > 1875095 ? 7% -54.8% 846645 ? 16% sched_debug.cfs_rq:/.MIN_vruntime.avg > 32868920 ? 6% -35.7% 21150379 ? 14% sched_debug.cfs_rq:/.MIN_vruntime.max > 7267340 ? 5% -44.7% 4015798 ? 14% sched_debug.cfs_rq:/.MIN_vruntime.stddev > 4278 ? 7% -54.7% 1939 ? 11% sched_debug.cfs_rq:/.exec_clock.stddev > 245.48 ? 2% +65.3% 405.75 ? 7% sched_debug.cfs_rq:/.load_avg.avg > 2692 ? 6% +126.0% 6087 ? 7% sched_debug.cfs_rq:/.load_avg.max > 33.09 -73.0% 8.94 ? 7% sched_debug.cfs_rq:/.load_avg.min > 507.40 ? 4% +128.0% 1156 ? 7% sched_debug.cfs_rq:/.load_avg.stddev > 1875095 ? 7% -54.8% 846645 ? 16% sched_debug.cfs_rq:/.max_vruntime.avg > 32868921 ? 6% -35.7% 21150379 ? 14% sched_debug.cfs_rq:/.max_vruntime.max > 7267341 ? 5% -44.7% 4015798 ? 14% sched_debug.cfs_rq:/.max_vruntime.stddev > 35887197 -13.2% 31149130 sched_debug.cfs_rq:/.min_vruntime.avg > 37385506 -14.3% 32043914 sched_debug.cfs_rq:/.min_vruntime.max > 34416296 -12.3% 30183927 sched_debug.cfs_rq:/.min_vruntime.min > 1228844 ? 8% -52.6% 582759 ? 4% sched_debug.cfs_rq:/.min_vruntime.stddev > 0.83 -28.1% 0.60 ? 6% sched_debug.cfs_rq:/.nr_running.avg > 2.07 ? 3% -24.6% 1.56 ? 8% sched_debug.cfs_rq:/.nr_running.max > 20.52 ? 4% -48.8% 10.52 ? 3% sched_debug.cfs_rq:/.nr_spread_over.avg > 35.96 ? 5% -42.2% 20.77 ? 9% sched_debug.cfs_rq:/.nr_spread_over.max > 8.97 ? 11% -44.5% 4.98 ? 8% sched_debug.cfs_rq:/.nr_spread_over.min > 6.40 ? 12% -45.5% 3.49 ? 7% sched_debug.cfs_rq:/.nr_spread_over.stddev > 21.78 ? 7% +143.3% 53.00 ? 9% sched_debug.cfs_rq:/.runnable_load_avg.avg > 328.86 ? 18% +303.4% 1326 ? 14% sched_debug.cfs_rq:/.runnable_load_avg.max > 55.97 ? 17% +286.0% 216.07 ? 13% sched_debug.cfs_rq:/.runnable_load_avg.stddev > 0.10 ? 29% -82.4% 0.02 ? 50% sched_debug.cfs_rq:/.spread.avg > 3.43 ? 25% -79.9% 0.69 ? 50% sched_debug.cfs_rq:/.spread.max > 0.56 ? 26% -80.7% 0.11 ? 50% sched_debug.cfs_rq:/.spread.stddev > 1228822 ? 8% -52.6% 582732 ? 4% sched_debug.cfs_rq:/.spread0.stddev > 992.30 -24.9% 745.56 ? 2% sched_debug.cfs_rq:/.util_avg.avg > 1485 -18.1% 1217 ? 2% sched_debug.cfs_rq:/.util_avg.max > 515.45 ? 2% -25.2% 385.73 ? 6% sched_debug.cfs_rq:/.util_avg.min > 201.54 -14.9% 171.52 ? 3% sched_debug.cfs_rq:/.util_avg.stddev > 248.73 ? 6% -38.1% 154.02 ? 8% sched_debug.cfs_rq:/.util_est_enqueued.avg > 222.78 ? 3% -15.8% 187.58 ? 2% sched_debug.cfs_rq:/.util_est_enqueued.stddev > 77097 ? 4% +278.4% 291767 ? 11% sched_debug.cpu.avg_idle.avg > 181319 ? 6% +298.7% 722862 ? 3% sched_debug.cpu.avg_idle.max > 19338 +392.3% 95203 ? 17% sched_debug.cpu.avg_idle.min > 34877 ? 6% +303.5% 140732 ? 6% sched_debug.cpu.avg_idle.stddev > 1107408 +37.6% 1523823 sched_debug.cpu.clock.avg > 1107427 +37.6% 1523834 sched_debug.cpu.clock.max > 1107385 +37.6% 1523811 sched_debug.cpu.clock.min > 13.10 ? 9% -48.1% 6.80 ? 8% sched_debug.cpu.clock.stddev > 1107408 +37.6% 1523823 sched_debug.cpu.clock_task.avg > 1107427 +37.6% 1523834 sched_debug.cpu.clock_task.max > 1107385 +37.6% 1523811 sched_debug.cpu.clock_task.min > 13.10 ? 9% -48.1% 6.80 ? 8% sched_debug.cpu.clock_task.stddev > 30.36 ? 7% +107.7% 63.06 ? 12% sched_debug.cpu.cpu_load[0].avg > 381.48 ? 18% +269.8% 1410 ? 18% sched_debug.cpu.cpu_load[0].max > 63.92 ? 18% +262.2% 231.50 ? 17% sched_debug.cpu.cpu_load[0].stddev > 31.34 ? 5% +118.4% 68.44 ? 9% sched_debug.cpu.cpu_load[1].avg > 323.62 ? 17% +349.5% 1454 ? 14% sched_debug.cpu.cpu_load[1].max > 53.23 ? 16% +350.3% 239.71 ? 13% sched_debug.cpu.cpu_load[1].stddev > 32.15 ? 3% +129.4% 73.74 ? 6% sched_debug.cpu.cpu_load[2].avg > 285.20 ? 14% +420.8% 1485 ? 9% sched_debug.cpu.cpu_load[2].max > 46.66 ? 12% +430.0% 247.32 ? 8% sched_debug.cpu.cpu_load[2].stddev > 33.02 ? 2% +133.2% 77.00 ? 3% sched_debug.cpu.cpu_load[3].avg > 252.16 ? 10% +481.2% 1465 ? 7% sched_debug.cpu.cpu_load[3].max > 40.74 ? 8% +503.2% 245.72 ? 6% sched_debug.cpu.cpu_load[3].stddev > 33.86 +131.5% 78.38 ? 2% sched_debug.cpu.cpu_load[4].avg > 219.81 ? 8% +522.6% 1368 ? 5% sched_debug.cpu.cpu_load[4].max > 35.45 ? 7% +554.2% 231.90 ? 4% sched_debug.cpu.cpu_load[4].stddev > 2600 ? 4% -30.5% 1807 ? 4% sched_debug.cpu.curr->pid.avg > 25309 ? 4% -19.5% 20367 ? 4% sched_debug.cpu.curr->pid.max > 4534 ? 7% -21.2% 3573 ? 5% sched_debug.cpu.curr->pid.stddev > 0.00 ? 2% -27.6% 0.00 ? 6% sched_debug.cpu.next_balance.stddev > 1083917 +38.6% 1502777 sched_debug.cpu.nr_load_updates.avg > 1088142 +38.6% 1508302 sched_debug.cpu.nr_load_updates.max > 1082048 +38.7% 1501073 sched_debug.cpu.nr_load_updates.min > 3.53 ? 6% -73.0% 0.95 ? 6% sched_debug.cpu.nr_running.avg > 11.54 ? 3% -62.1% 4.37 ? 10% sched_debug.cpu.nr_running.max > 3.10 ? 3% -66.8% 1.03 ? 9% sched_debug.cpu.nr_running.stddev > 10764176 -22.4% 8355047 sched_debug.cpu.nr_switches.avg > 10976436 -22.2% 8545010 sched_debug.cpu.nr_switches.max > 10547712 -22.8% 8143037 sched_debug.cpu.nr_switches.min > 148628 ? 3% -22.7% 114880 ? 7% sched_debug.cpu.nr_switches.stddev > 11.13 ? 2% +24.5% 13.85 sched_debug.cpu.nr_uninterruptible.avg > 6420 ? 8% -48.7% 3296 ? 11% sched_debug.cpu.nr_uninterruptible.max > -5500 -37.2% -3455 sched_debug.cpu.nr_uninterruptible.min > 3784 ? 6% -47.2% 1997 ? 4% sched_debug.cpu.nr_uninterruptible.stddev > 10812670 -22.7% 8356821 sched_debug.cpu.sched_count.avg > 11020646 -22.5% 8546277 sched_debug.cpu.sched_count.max > 10601390 -23.2% 8144743 sched_debug.cpu.sched_count.min > 144529 ? 3% -20.9% 114359 ? 7% sched_debug.cpu.sched_count.stddev > 706116 +259.0% 2534721 sched_debug.cpu.sched_goidle.avg > 771307 +232.4% 2564059 sched_debug.cpu.sched_goidle.max > 644658 +286.9% 2494236 sched_debug.cpu.sched_goidle.min > 49847 ? 6% -67.9% 15979 ? 7% sched_debug.cpu.sched_goidle.stddev > 9618827 -39.9% 5780369 sched_debug.cpu.ttwu_count.avg > 8990451 -61.7% 3441265 ? 4% sched_debug.cpu.ttwu_count.min > 418563 ? 25% +244.2% 1440565 ? 7% sched_debug.cpu.ttwu_count.stddev > 640964 -93.7% 40366 ? 2% sched_debug.cpu.ttwu_local.avg > 679527 -92.1% 53476 ? 4% sched_debug.cpu.ttwu_local.max > 601661 -94.9% 30636 ? 3% sched_debug.cpu.ttwu_local.min > 24242 ? 21% -77.7% 5405 ? 9% sched_debug.cpu.ttwu_local.stddev > 1107383 +37.6% 1523810 sched_debug.cpu_clk > 1107383 +37.6% 1523810 sched_debug.ktime > 0.00 -49.4% 0.00 ? 65% sched_debug.rt_rq:/.rt_nr_migratory.avg > 0.03 -49.4% 0.01 ? 65% sched_debug.rt_rq:/.rt_nr_migratory.max > 0.00 -49.4% 0.00 ? 65% sched_debug.rt_rq:/.rt_nr_migratory.stddev > 0.00 -49.4% 0.00 ? 65% sched_debug.rt_rq:/.rt_nr_running.avg > 0.03 -49.4% 0.01 ? 65% sched_debug.rt_rq:/.rt_nr_running.max > 0.00 -49.4% 0.00 ? 65% sched_debug.rt_rq:/.rt_nr_running.stddev > 0.01 ? 8% +79.9% 0.01 ? 23% sched_debug.rt_rq:/.rt_time.avg > 1107805 +37.6% 1524235 sched_debug.sched_clk > 87.59 -87.6 0.00 perf-profile.calltrace.cycles-pp.md_flush_request.raid1_make_request.md_handle_request.md_make_request.generic_make_request > 87.57 -87.6 0.00 perf-profile.calltrace.cycles-pp.submit_bio_wait.blkdev_issue_flush.xfs_file_fsync.xfs_file_write_iter.__vfs_write > 87.59 -87.5 0.05 ?299% perf-profile.calltrace.cycles-pp.blkdev_issue_flush.xfs_file_fsync.xfs_file_write_iter.__vfs_write.vfs_write > 87.51 -87.5 0.00 perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.submit_bio_wait.blkdev_issue_flush.xfs_file_fsync > 87.51 -87.5 0.00 perf-profile.calltrace.cycles-pp.submit_bio.submit_bio_wait.blkdev_issue_flush.xfs_file_fsync.xfs_file_write_iter > 87.50 -87.5 0.00 perf-profile.calltrace.cycles-pp.md_make_request.generic_make_request.submit_bio.submit_bio_wait.blkdev_issue_flush > 87.50 -87.5 0.00 perf-profile.calltrace.cycles-pp.md_handle_request.md_make_request.generic_make_request.submit_bio.submit_bio_wait > 82.37 -82.4 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.md_flush_request.raid1_make_request.md_handle_request.md_make_request > 82.23 -82.2 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.md_flush_request.raid1_make_request.md_handle_request > 87.79 -25.0 62.75 ? 8% perf-profile.calltrace.cycles-pp.raid1_make_request.md_handle_request.md_make_request.generic_make_request.submit_bio > 92.78 -13.0 79.76 perf-profile.calltrace.cycles-pp.xfs_file_fsync.xfs_file_write_iter.__vfs_write.vfs_write.ksys_write > 93.08 -12.6 80.49 perf-profile.calltrace.cycles-pp.xfs_file_write_iter.__vfs_write.vfs_write.ksys_write.do_syscall_64 > 93.08 -12.6 80.50 perf-profile.calltrace.cycles-pp.__vfs_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe > 93.11 -12.6 80.56 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe > 93.11 -12.6 80.56 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe > 93.14 -12.5 80.64 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe > 93.15 -12.5 80.65 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe > 3.40 ? 2% -1.4 1.97 ? 8% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork > 3.33 ? 2% -1.4 1.96 ? 9% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork > 1.12 ? 2% -0.7 0.42 ? 68% perf-profile.calltrace.cycles-pp.__save_stack_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair > 1.16 ? 2% -0.6 0.60 ? 17% perf-profile.calltrace.cycles-pp.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.ttwu_do_activate > 0.00 +0.6 0.59 ? 15% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__wake_up_common_lock.raid1_write_request.raid1_make_request.md_handle_request > 0.00 +0.6 0.64 ? 15% perf-profile.calltrace.cycles-pp.__wake_up_common_lock.raid1_write_request.raid1_make_request.md_handle_request.md_make_request > 0.00 +0.7 0.65 ? 10% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.ttwu_do_activate.sched_ttwu_pending.do_idle > 0.00 +0.7 0.68 ? 10% perf-profile.calltrace.cycles-pp.enqueue_task_fair.ttwu_do_activate.sched_ttwu_pending.do_idle.cpu_startup_entry > 0.00 +0.7 0.69 ? 10% perf-profile.calltrace.cycles-pp.ttwu_do_activate.sched_ttwu_pending.do_idle.cpu_startup_entry.start_secondary > 0.00 +0.8 0.79 ? 11% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 0.00 +0.8 0.83 ? 7% perf-profile.calltrace.cycles-pp.__schedule.schedule.raid1_write_request.raid1_make_request.md_handle_request > 0.62 ? 3% +0.8 1.45 ? 22% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.remove_wait_queue.xlog_wait.__xfs_log_force_lsn > 0.00 +0.8 0.83 ? 7% perf-profile.calltrace.cycles-pp.schedule.raid1_write_request.raid1_make_request.md_handle_request.md_make_request > 0.63 ? 2% +0.8 1.46 ? 22% perf-profile.calltrace.cycles-pp.remove_wait_queue.xlog_wait.__xfs_log_force_lsn.xfs_log_force_lsn.xfs_file_fsync > 0.62 ? 2% +0.8 1.46 ? 22% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.remove_wait_queue.xlog_wait.__xfs_log_force_lsn.xfs_log_force_lsn > 3.92 ? 2% +0.9 4.79 ? 6% perf-profile.calltrace.cycles-pp.ret_from_fork > 3.92 ? 2% +0.9 4.79 ? 6% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork > 0.69 ? 2% +0.9 1.64 ? 23% perf-profile.calltrace.cycles-pp.xlog_wait.__xfs_log_force_lsn.xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter > 0.00 +1.2 1.17 ? 8% perf-profile.calltrace.cycles-pp._raw_spin_unlock_irqrestore.prepare_to_wait_event.raid1_write_request.raid1_make_request.md_handle_request > 0.00 +1.2 1.23 ? 18% perf-profile.calltrace.cycles-pp.prepare_to_wait_event.raid1_write_request.raid1_make_request.md_handle_request.submit_flushes > 0.00 +1.3 1.27 ? 17% perf-profile.calltrace.cycles-pp.raid1_write_request.raid1_make_request.md_handle_request.submit_flushes.process_one_work > 0.00 +1.3 1.27 ? 17% perf-profile.calltrace.cycles-pp.md_handle_request.submit_flushes.process_one_work.worker_thread.kthread > 0.00 +1.3 1.27 ? 17% perf-profile.calltrace.cycles-pp.raid1_make_request.md_handle_request.submit_flushes.process_one_work.worker_thread > 0.00 +1.3 1.27 ? 17% perf-profile.calltrace.cycles-pp.submit_flushes.process_one_work.worker_thread.kthread.ret_from_fork > 0.00 +1.6 1.65 ? 14% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.raid_end_bio_io > 0.00 +1.7 1.71 ? 14% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.raid_end_bio_io.raid1_end_write_request > 0.00 +1.7 1.71 ? 14% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.raid_end_bio_io.raid1_end_write_request.brd_make_request > 0.00 +1.9 1.86 ? 13% perf-profile.calltrace.cycles-pp.__wake_up_common_lock.raid_end_bio_io.raid1_end_write_request.brd_make_request.generic_make_request > 0.00 +2.1 2.10 ? 10% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.remove_wait_queue.__xfs_log_force_lsn.xfs_log_force_lsn > 0.00 +2.1 2.10 ? 10% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.remove_wait_queue.__xfs_log_force_lsn.xfs_log_force_lsn.xfs_file_fsync > 0.00 +2.1 2.11 ? 10% perf-profile.calltrace.cycles-pp.remove_wait_queue.__xfs_log_force_lsn.xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter > 0.00 +2.2 2.16 ? 10% perf-profile.calltrace.cycles-pp.raid_end_bio_io.raid1_end_write_request.brd_make_request.generic_make_request.flush_bio_list > 2.24 ? 4% +2.2 4.44 ? 15% perf-profile.calltrace.cycles-pp.xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter.__vfs_write.vfs_write > 0.00 +2.3 2.25 ? 10% perf-profile.calltrace.cycles-pp.raid1_end_write_request.brd_make_request.generic_make_request.flush_bio_list.flush_pending_writes > 0.00 +2.3 2.30 ? 20% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.raid1_write_request.raid1_make_request.md_handle_request > 0.00 +2.4 2.35 ? 20% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.raid1_write_request.raid1_make_request.md_handle_request.md_make_request > 0.37 ? 65% +2.4 2.81 ? 7% perf-profile.calltrace.cycles-pp.md_thread.kthread.ret_from_fork > 0.26 ?100% +2.5 2.81 ? 7% perf-profile.calltrace.cycles-pp.raid1d.md_thread.kthread.ret_from_fork > 0.26 ?100% +2.5 2.81 ? 7% perf-profile.calltrace.cycles-pp.flush_pending_writes.raid1d.md_thread.kthread.ret_from_fork > 0.26 ?100% +2.6 2.81 ? 7% perf-profile.calltrace.cycles-pp.flush_bio_list.flush_pending_writes.raid1d.md_thread.kthread > 0.10 ?200% +2.7 2.76 ? 7% perf-profile.calltrace.cycles-pp.generic_make_request.flush_bio_list.flush_pending_writes.raid1d.md_thread > 0.00 +2.7 2.73 ? 7% perf-profile.calltrace.cycles-pp.brd_make_request.generic_make_request.flush_bio_list.flush_pending_writes.raid1d > 1.20 ? 3% +3.1 4.35 ? 15% perf-profile.calltrace.cycles-pp.__xfs_log_force_lsn.xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter.__vfs_write > 0.63 ? 6% +3.8 4.38 ? 27% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.remove_wait_queue.__xfs_log_force_lsn.xfs_file_fsync > 0.63 ? 5% +3.8 4.39 ? 27% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.remove_wait_queue.__xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter > 0.63 ? 5% +3.8 4.40 ? 27% perf-profile.calltrace.cycles-pp.remove_wait_queue.__xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter.__vfs_write > 1.26 ? 5% +5.3 6.55 ? 27% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter > 1.27 ? 5% +5.3 6.55 ? 27% perf-profile.calltrace.cycles-pp._raw_spin_lock.__xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter.__vfs_write > 1.30 ? 4% +8.4 9.72 ? 9% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary > 1.33 ? 4% +8.9 10.26 ? 9% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 2.28 ? 2% +9.1 11.36 ? 27% perf-profile.calltrace.cycles-pp.__xfs_log_force_lsn.xfs_file_fsync.xfs_file_write_iter.__vfs_write.vfs_write > 1.59 ? 4% +10.4 11.97 ? 9% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 1.59 ? 4% +10.4 11.98 ? 9% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64 > 1.59 ? 4% +10.4 11.98 ? 9% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64 > 1.63 ? 4% +10.8 12.47 ? 8% perf-profile.calltrace.cycles-pp.secondary_startup_64 > 0.00 +57.7 57.66 ? 10% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.prepare_to_wait_event.raid1_write_request.raid1_make_request > 0.00 +57.7 57.73 ? 10% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.prepare_to_wait_event.raid1_write_request.raid1_make_request.md_handle_request > 0.05 ?299% +57.8 57.85 ? 9% perf-profile.calltrace.cycles-pp.prepare_to_wait_event.raid1_write_request.raid1_make_request.md_handle_request.md_make_request > 0.19 ?154% +62.5 62.73 ? 8% perf-profile.calltrace.cycles-pp.raid1_write_request.raid1_make_request.md_handle_request.md_make_request.generic_make_request > 0.19 ?154% +62.6 62.76 ? 8% perf-profile.calltrace.cycles-pp.md_handle_request.md_make_request.generic_make_request.submit_bio.xfs_submit_ioend > 0.19 ?154% +62.6 62.79 ? 8% perf-profile.calltrace.cycles-pp.md_make_request.generic_make_request.submit_bio.xfs_submit_ioend.xfs_vm_writepages > 0.20 ?154% +62.6 62.81 ? 8% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.xfs_submit_ioend.xfs_vm_writepages.do_writepages > 0.20 ?154% +62.6 62.81 ? 8% perf-profile.calltrace.cycles-pp.submit_bio.xfs_submit_ioend.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range > 0.20 ?154% +62.6 62.82 ? 8% perf-profile.calltrace.cycles-pp.xfs_submit_ioend.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range > 0.29 ?125% +62.8 63.09 ? 8% perf-profile.calltrace.cycles-pp.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync > 0.29 ?126% +62.8 63.10 ? 8% perf-profile.calltrace.cycles-pp.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync.xfs_file_write_iter > 0.29 ?125% +62.8 63.11 ? 8% perf-profile.calltrace.cycles-pp.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync.xfs_file_write_iter.__vfs_write > 0.62 ? 41% +62.9 63.52 ? 7% perf-profile.calltrace.cycles-pp.file_write_and_wait_range.xfs_file_fsync.xfs_file_write_iter.__vfs_write.vfs_write > 88.51 -88.2 0.26 ? 19% perf-profile.children.cycles-pp.md_flush_request > 87.57 -87.2 0.35 ? 19% perf-profile.children.cycles-pp.submit_bio_wait > 87.59 -87.2 0.39 ? 19% perf-profile.children.cycles-pp.blkdev_issue_flush > 83.26 -83.2 0.02 ?123% perf-profile.children.cycles-pp._raw_spin_lock_irq > 88.85 -25.7 63.11 ? 8% perf-profile.children.cycles-pp.md_make_request > 88.90 -25.7 63.17 ? 8% perf-profile.children.cycles-pp.submit_bio > 88.83 -24.5 64.31 ? 8% perf-profile.children.cycles-pp.raid1_make_request > 88.84 -24.5 64.33 ? 8% perf-profile.children.cycles-pp.md_handle_request > 89.38 -23.5 65.92 ? 7% perf-profile.children.cycles-pp.generic_make_request > 89.90 -13.4 76.51 ? 2% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath > 92.79 -13.0 79.76 perf-profile.children.cycles-pp.xfs_file_fsync > 93.08 -12.6 80.49 perf-profile.children.cycles-pp.xfs_file_write_iter > 93.09 -12.6 80.54 perf-profile.children.cycles-pp.__vfs_write > 93.13 -12.5 80.60 perf-profile.children.cycles-pp.vfs_write > 93.13 -12.5 80.61 perf-profile.children.cycles-pp.ksys_write > 93.22 -12.4 80.83 perf-profile.children.cycles-pp.do_syscall_64 > 93.22 -12.4 80.83 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe > 3.40 ? 2% -1.4 1.97 ? 8% perf-profile.children.cycles-pp.worker_thread > 3.33 ? 2% -1.4 1.96 ? 9% perf-profile.children.cycles-pp.process_one_work > 1.03 ? 7% -1.0 0.07 ? 37% perf-profile.children.cycles-pp.xlog_cil_force_lsn > 1.69 ? 2% -0.7 0.96 ? 4% perf-profile.children.cycles-pp.reschedule_interrupt > 1.66 ? 2% -0.7 0.94 ? 4% perf-profile.children.cycles-pp.scheduler_ipi > 1.13 ? 2% -0.7 0.47 ? 11% perf-profile.children.cycles-pp.finish_wait > 0.54 ? 8% -0.4 0.10 ? 38% perf-profile.children.cycles-pp.xlog_cil_push > 0.49 ? 9% -0.4 0.09 ? 35% perf-profile.children.cycles-pp.xlog_write > 0.10 ? 8% -0.1 0.04 ? 67% perf-profile.children.cycles-pp.flush_work > 0.20 ? 5% -0.0 0.16 ? 11% perf-profile.children.cycles-pp.reweight_entity > 0.06 ? 10% +0.0 0.10 ? 23% perf-profile.children.cycles-pp.brd_lookup_page > 0.18 ? 5% +0.0 0.23 ? 13% perf-profile.children.cycles-pp.__update_load_avg_se > 0.02 ?153% +0.1 0.07 ? 16% perf-profile.children.cycles-pp.delay_tsc > 0.03 ?100% +0.1 0.08 ? 15% perf-profile.children.cycles-pp.find_next_bit > 0.08 ? 5% +0.1 0.14 ? 14% perf-profile.children.cycles-pp.native_write_msr > 0.29 ? 4% +0.1 0.36 ? 8% perf-profile.children.cycles-pp.__orc_find > 0.40 ? 4% +0.1 0.46 ? 7% perf-profile.children.cycles-pp.dequeue_task_fair > 0.11 ? 11% +0.1 0.18 ? 14% perf-profile.children.cycles-pp.__module_text_address > 0.12 ? 8% +0.1 0.19 ? 13% perf-profile.children.cycles-pp.is_module_text_address > 0.04 ? 50% +0.1 0.12 ? 19% perf-profile.children.cycles-pp.kmem_cache_alloc > 0.00 +0.1 0.08 ? 11% perf-profile.children.cycles-pp.clear_page_erms > 0.00 +0.1 0.08 ? 28% perf-profile.children.cycles-pp.__indirect_thunk_start > 0.01 ?200% +0.1 0.10 ? 25% perf-profile.children.cycles-pp.xfs_trans_alloc > 0.00 +0.1 0.09 ? 18% perf-profile.children.cycles-pp.md_wakeup_thread > 0.00 +0.1 0.09 ? 26% perf-profile.children.cycles-pp.rebalance_domains > 0.00 +0.1 0.09 ? 26% perf-profile.children.cycles-pp.get_next_timer_interrupt > 0.00 +0.1 0.09 ? 20% perf-profile.children.cycles-pp.ktime_get > 0.18 ? 4% +0.1 0.27 ? 12% perf-profile.children.cycles-pp.idle_cpu > 0.20 ? 6% +0.1 0.30 ? 9% perf-profile.children.cycles-pp.unwind_get_return_address > 0.16 ? 10% +0.1 0.25 ? 13% perf-profile.children.cycles-pp.__module_address > 0.03 ?100% +0.1 0.13 ? 8% perf-profile.children.cycles-pp.brd_insert_page > 0.06 ? 9% +0.1 0.16 ? 14% perf-profile.children.cycles-pp.task_tick_fair > 0.08 ? 12% +0.1 0.18 ? 24% perf-profile.children.cycles-pp.bio_alloc_bioset > 0.03 ? 81% +0.1 0.14 ? 27% perf-profile.children.cycles-pp.generic_make_request_checks > 0.17 ? 7% +0.1 0.28 ? 11% perf-profile.children.cycles-pp.__kernel_text_address > 0.11 ? 9% +0.1 0.22 ? 15% perf-profile.children.cycles-pp.wake_up_page_bit > 0.16 ? 6% +0.1 0.27 ? 10% perf-profile.children.cycles-pp.kernel_text_address > 0.00 +0.1 0.11 ? 11% perf-profile.children.cycles-pp.get_page_from_freelist > 0.00 +0.1 0.11 ? 19% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler > 0.00 +0.1 0.11 ? 7% perf-profile.children.cycles-pp.__alloc_pages_nodemask > 0.08 ? 10% +0.1 0.19 ? 22% perf-profile.children.cycles-pp.xfs_do_writepage > 0.25 ? 4% +0.1 0.37 ? 10% perf-profile.children.cycles-pp.switch_mm_irqs_off > 0.00 +0.1 0.12 ? 13% perf-profile.children.cycles-pp.switch_mm > 0.08 ? 38% +0.1 0.20 ? 19% perf-profile.children.cycles-pp.io_serial_in > 0.18 ? 5% +0.1 0.31 ? 7% perf-profile.children.cycles-pp.dequeue_entity > 0.00 +0.1 0.13 ? 26% perf-profile.children.cycles-pp.tick_nohz_next_event > 0.06 ? 11% +0.1 0.19 ? 19% perf-profile.children.cycles-pp.mempool_alloc > 0.32 ? 5% +0.1 0.45 ? 6% perf-profile.children.cycles-pp.orc_find > 0.15 ? 10% +0.1 0.29 ? 19% perf-profile.children.cycles-pp.xfs_destroy_ioend > 0.15 ? 11% +0.1 0.30 ? 18% perf-profile.children.cycles-pp.call_bio_endio > 0.08 ? 17% +0.2 0.23 ? 25% perf-profile.children.cycles-pp.xlog_state_done_syncing > 0.00 +0.2 0.15 ? 22% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length > 0.12 ? 8% +0.2 0.27 ? 23% perf-profile.children.cycles-pp.write_cache_pages > 0.10 ? 16% +0.2 0.26 ? 16% perf-profile.children.cycles-pp.wait_for_xmitr > 0.10 ? 19% +0.2 0.25 ? 14% perf-profile.children.cycles-pp.serial8250_console_putchar > 0.10 ? 17% +0.2 0.26 ? 13% perf-profile.children.cycles-pp.uart_console_write > 0.10 ? 16% +0.2 0.26 ? 15% perf-profile.children.cycles-pp.serial8250_console_write > 0.11 ? 15% +0.2 0.27 ? 15% perf-profile.children.cycles-pp.console_unlock > 0.09 ? 9% +0.2 0.26 ? 12% perf-profile.children.cycles-pp.scheduler_tick > 0.10 ? 18% +0.2 0.28 ? 15% perf-profile.children.cycles-pp.irq_work_run_list > 0.10 ? 15% +0.2 0.28 ? 14% perf-profile.children.cycles-pp.xlog_state_do_callback > 0.09 ? 12% +0.2 0.27 ? 16% perf-profile.children.cycles-pp.irq_work_run > 0.09 ? 12% +0.2 0.27 ? 16% perf-profile.children.cycles-pp.printk > 0.09 ? 12% +0.2 0.27 ? 16% perf-profile.children.cycles-pp.vprintk_emit > 0.09 ? 12% +0.2 0.27 ? 17% perf-profile.children.cycles-pp.irq_work_interrupt > 0.09 ? 12% +0.2 0.27 ? 17% perf-profile.children.cycles-pp.smp_irq_work_interrupt > 0.00 +0.2 0.18 ? 16% perf-profile.children.cycles-pp.poll_idle > 0.30 ? 4% +0.2 0.49 ? 11% perf-profile.children.cycles-pp.update_load_avg > 1.39 ? 2% +0.2 1.59 ? 6% perf-profile.children.cycles-pp.__save_stack_trace > 1.43 +0.2 1.65 ? 6% perf-profile.children.cycles-pp.save_stack_trace_tsk > 0.14 ? 13% +0.2 0.36 ? 13% perf-profile.children.cycles-pp.update_process_times > 0.00 +0.2 0.23 ? 22% perf-profile.children.cycles-pp.find_busiest_group > 0.22 ? 6% +0.2 0.45 ? 18% perf-profile.children.cycles-pp.brd_do_bvec > 0.14 ? 13% +0.2 0.38 ? 14% perf-profile.children.cycles-pp.tick_sched_handle > 0.10 ? 8% +0.2 0.34 ? 26% perf-profile.children.cycles-pp.xfs_log_commit_cil > 0.07 ? 10% +0.3 0.33 ? 23% perf-profile.children.cycles-pp.io_schedule > 0.03 ? 83% +0.3 0.29 ? 27% perf-profile.children.cycles-pp.__softirqentry_text_start > 0.11 ? 5% +0.3 0.36 ? 25% perf-profile.children.cycles-pp.__xfs_trans_commit > 0.06 ? 36% +0.3 0.31 ? 26% perf-profile.children.cycles-pp.irq_exit > 0.08 ? 9% +0.3 0.35 ? 23% perf-profile.children.cycles-pp.wait_on_page_bit_common > 0.15 ? 12% +0.3 0.42 ? 14% perf-profile.children.cycles-pp.tick_sched_timer > 0.10 ? 11% +0.3 0.39 ? 22% perf-profile.children.cycles-pp.__filemap_fdatawait_range > 0.06 ? 12% +0.3 0.37 ? 9% perf-profile.children.cycles-pp.schedule_idle > 0.02 ?153% +0.3 0.34 ? 17% perf-profile.children.cycles-pp.menu_select > 0.17 ? 5% +0.3 0.49 ? 22% perf-profile.children.cycles-pp.xfs_vn_update_time > 0.19 ? 12% +0.3 0.51 ? 18% perf-profile.children.cycles-pp.xlog_iodone > 0.18 ? 5% +0.3 0.51 ? 22% perf-profile.children.cycles-pp.file_update_time > 0.18 ? 5% +0.3 0.51 ? 21% perf-profile.children.cycles-pp.xfs_file_aio_write_checks > 0.21 ? 11% +0.4 0.60 ? 15% perf-profile.children.cycles-pp.__hrtimer_run_queues > 0.26 ? 6% +0.4 0.69 ? 16% perf-profile.children.cycles-pp.pick_next_task_fair > 1.20 ? 2% +0.4 1.64 ? 10% perf-profile.children.cycles-pp.schedule > 0.28 ? 5% +0.4 0.72 ? 21% perf-profile.children.cycles-pp.xfs_file_buffered_aio_write > 0.00 +0.4 0.44 ? 22% perf-profile.children.cycles-pp.load_balance > 0.25 ? 8% +0.5 0.74 ? 15% perf-profile.children.cycles-pp.hrtimer_interrupt > 1.30 ? 2% +0.7 2.00 ? 9% perf-profile.children.cycles-pp.__schedule > 0.31 ? 8% +0.8 1.09 ? 16% perf-profile.children.cycles-pp.smp_apic_timer_interrupt > 0.31 ? 8% +0.8 1.09 ? 16% perf-profile.children.cycles-pp.apic_timer_interrupt > 3.92 ? 2% +0.9 4.79 ? 6% perf-profile.children.cycles-pp.ret_from_fork > 3.92 ? 2% +0.9 4.79 ? 6% perf-profile.children.cycles-pp.kthread > 0.69 ? 2% +0.9 1.64 ? 23% perf-profile.children.cycles-pp.xlog_wait > 0.08 ? 13% +1.2 1.27 ? 17% perf-profile.children.cycles-pp.submit_flushes > 0.16 ? 9% +1.6 1.74 ? 4% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore > 0.17 ? 9% +2.0 2.16 ? 10% perf-profile.children.cycles-pp.raid_end_bio_io > 0.21 ? 6% +2.0 2.25 ? 10% perf-profile.children.cycles-pp.raid1_end_write_request > 2.24 ? 4% +2.2 4.44 ? 15% perf-profile.children.cycles-pp.xfs_log_force_lsn > 0.46 ? 6% +2.3 2.73 ? 7% perf-profile.children.cycles-pp.brd_make_request > 0.51 ? 6% +2.3 2.81 ? 7% perf-profile.children.cycles-pp.md_thread > 0.49 ? 6% +2.3 2.81 ? 7% perf-profile.children.cycles-pp.raid1d > 0.49 ? 6% +2.3 2.81 ? 7% perf-profile.children.cycles-pp.flush_pending_writes > 0.49 ? 6% +2.3 2.81 ? 7% perf-profile.children.cycles-pp.flush_bio_list > 1.80 ? 3% +5.6 7.44 ? 27% perf-profile.children.cycles-pp._raw_spin_lock > 2.12 ? 4% +5.8 7.97 ? 20% perf-profile.children.cycles-pp.remove_wait_queue > 1.33 ? 4% +8.8 10.12 ? 8% perf-profile.children.cycles-pp.intel_idle > 1.37 ? 4% +9.3 10.71 ? 8% perf-profile.children.cycles-pp.cpuidle_enter_state > 1.59 ? 4% +10.4 11.98 ? 9% perf-profile.children.cycles-pp.start_secondary > 1.63 ? 4% +10.8 12.47 ? 8% perf-profile.children.cycles-pp.secondary_startup_64 > 1.63 ? 4% +10.8 12.47 ? 8% perf-profile.children.cycles-pp.cpu_startup_entry > 1.63 ? 4% +10.9 12.49 ? 8% perf-profile.children.cycles-pp.do_idle > 3.48 +12.2 15.72 ? 23% perf-profile.children.cycles-pp.__xfs_log_force_lsn > 1.36 ? 12% +57.8 59.12 ? 10% perf-profile.children.cycles-pp.prepare_to_wait_event > 0.43 ? 38% +62.4 62.82 ? 8% perf-profile.children.cycles-pp.xfs_submit_ioend > 0.55 ? 29% +62.5 63.10 ? 8% perf-profile.children.cycles-pp.xfs_vm_writepages > 0.55 ? 30% +62.5 63.10 ? 8% perf-profile.children.cycles-pp.do_writepages > 0.55 ? 29% +62.6 63.11 ? 8% perf-profile.children.cycles-pp.__filemap_fdatawrite_range > 0.66 ? 25% +62.9 63.52 ? 7% perf-profile.children.cycles-pp.file_write_and_wait_range > 0.39 ? 43% +63.6 64.02 ? 8% perf-profile.children.cycles-pp.raid1_write_request > 5.43 ? 3% +64.2 69.64 ? 5% perf-profile.children.cycles-pp._raw_spin_lock_irqsave > 89.86 -13.5 76.31 ? 2% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath > 0.14 ? 8% -0.0 0.09 ? 19% perf-profile.self.cycles-pp.md_flush_request > 0.10 ? 12% -0.0 0.07 ? 21% perf-profile.self.cycles-pp.account_entity_enqueue > 0.06 ? 7% +0.0 0.08 ? 12% perf-profile.self.cycles-pp.pick_next_task_fair > 0.05 ? 12% +0.0 0.08 ? 18% perf-profile.self.cycles-pp.___perf_sw_event > 0.15 ? 6% +0.0 0.18 ? 9% perf-profile.self.cycles-pp.__update_load_avg_se > 0.17 ? 4% +0.0 0.22 ? 10% perf-profile.self.cycles-pp.__schedule > 0.10 ? 11% +0.1 0.15 ? 11% perf-profile.self.cycles-pp._raw_spin_lock > 0.02 ?153% +0.1 0.07 ? 16% perf-profile.self.cycles-pp.delay_tsc > 0.02 ?152% +0.1 0.07 ? 23% perf-profile.self.cycles-pp.set_next_entity > 0.03 ?100% +0.1 0.08 ? 15% perf-profile.self.cycles-pp.find_next_bit > 0.08 ? 5% +0.1 0.14 ? 14% perf-profile.self.cycles-pp.native_write_msr > 0.01 ?200% +0.1 0.07 ? 23% perf-profile.self.cycles-pp.kmem_cache_alloc > 0.29 ? 4% +0.1 0.36 ? 8% perf-profile.self.cycles-pp.__orc_find > 0.14 ? 7% +0.1 0.21 ? 12% perf-profile.self.cycles-pp.switch_mm_irqs_off > 0.00 +0.1 0.08 ? 11% perf-profile.self.cycles-pp.clear_page_erms > 0.00 +0.1 0.08 ? 28% perf-profile.self.cycles-pp.__indirect_thunk_start > 0.00 +0.1 0.08 ? 20% perf-profile.self.cycles-pp.md_wakeup_thread > 0.34 ? 6% +0.1 0.43 ? 12% perf-profile.self.cycles-pp._raw_spin_lock_irqsave > 0.18 ? 4% +0.1 0.27 ? 12% perf-profile.self.cycles-pp.idle_cpu > 0.16 ? 10% +0.1 0.25 ? 13% perf-profile.self.cycles-pp.__module_address > 0.06 ? 11% +0.1 0.17 ? 14% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore > 0.08 ? 38% +0.1 0.20 ? 19% perf-profile.self.cycles-pp.io_serial_in > 0.18 ? 5% +0.1 0.32 ? 15% perf-profile.self.cycles-pp.update_load_avg > 0.00 +0.1 0.15 ? 17% perf-profile.self.cycles-pp.poll_idle > 0.00 +0.2 0.15 ? 16% perf-profile.self.cycles-pp.menu_select > 0.00 +0.2 0.18 ? 24% perf-profile.self.cycles-pp.find_busiest_group > 0.02 ?152% +0.3 0.35 ? 21% perf-profile.self.cycles-pp.raid1_write_request > 1.33 ? 4% +8.8 10.12 ? 8% perf-profile.self.cycles-pp.intel_idle > > > > aim7.jobs-per-min > > 1700 +-+------------------------------------------------------------------+ > |+ ++++++ :+ ++++ ++++ +++ ++++++ + + ++++++++++++ ++ ++| > 1600 +-+ + +++ + +++++ ++.++ + ++ ++ + ++ | > | | > | | > 1500 +-+ | > | | > 1400 +-+ | > | | > 1300 +-+ | > | | > O OO OO O O O | > 1200 +OO OOOOOOOOO OO OOOOOOOOOOOOOO OOOOOOOOO O | > | | > 1100 +-+------------------------------------------------------------------+ > > > > [*] 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, > Xiaolong