Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp349056ybz; Fri, 24 Apr 2020 01:18:16 -0700 (PDT) X-Google-Smtp-Source: APiQypJjCkoFa4qLlE3DWNDt5644StmSMCYqgrwbOYPHOwCHtQ/ucYhckPk6OJpkTfNxM1U3EpiN X-Received: by 2002:aa7:d5d5:: with SMTP id d21mr6347765eds.160.1587716295774; Fri, 24 Apr 2020 01:18:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587716295; cv=none; d=google.com; s=arc-20160816; b=MZJFiywloHVT+1a9aFlS+yJ0LVgkjAjKB1Uibe/BMFRbprwbHC1PviSDGG/K1aZb3F AN50A97Rnq/sXVXe0aat9Z/yUWEJlNUReQMY6qkdLW1IQGObg0iTk20qtJIjjw5PRadf b9ltl3tw4mflo2JZcom17fmd25P0bra4mARqxzgLhPZgtcEEaEcncC6fKuRgvJGcDjZw xg8rAP1xz4G2tIs36o2JU9cEaFEdGjkfsGbCKmPmM9FRuSIZ/VUxlTU5KF/TBgiXQDge 9iw2id0qI6+vnN91ySOm69tz4I8AtXg1uP5tnxJOiTSh7CcWP2snaepCGGDXC9PHruBm 3esQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:ironport-sdr:ironport-sdr; bh=qe8oT2yQspK9YPItQESnDla/7RH3SROkTSPUq+x8ydg=; b=nZCPuMmNUH/TacYXVIDyRyVxsa7v5cJ6gzTj4IIHI+MWt7SyhyxXouUSrvj/xLj36X UGcy19udwvBJj2G6KNcMCwAzkNbNX7c6Zip5Tsv93SJHTI/+/rXVQuD5tn9T1aZQXWaK qbYapK6PiPzM5SviXBjFrQWQWtEbsvvmrPW9pO81GByKG63BPJFXm7JhkFMaD1MtBKZx mojasj9E4MMTiVFTw2fASkOhz5I8kX9nssl7ayXhVKondMIRtEIHZ0pCIBdYwovZ9zWb ZtKXHz7IZVn0pufzRGaZovTRYeGFAWiMvkdI1HCRiiPOzT1A8irXE2OHed6sWcbN4tc0 IXcA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o12si2717389edv.257.2020.04.24.01.17.51; Fri, 24 Apr 2020 01:18:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S1726674AbgDXIPz (ORCPT + 99 others); Fri, 24 Apr 2020 04:15:55 -0400 Received: from mga12.intel.com ([192.55.52.136]:49231 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726298AbgDXIPy (ORCPT ); Fri, 24 Apr 2020 04:15:54 -0400 IronPort-SDR: 8V7c/Pl/IqyFXCi7ZB8/2RoQ85PtrkjSoa2f9VwnC6vdZzdw176l71KNGf/XT0PsnhKKY+mTQr FGqpvfmIE2+Q== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2020 01:15:49 -0700 IronPort-SDR: z+ATNys5syQTa0CoAWfbttRue+lM9qxtDmc9BmDRaV+/4XEEawDtkPw+ehnpi7Svla93UdhKuR Uui7SuWATUzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,310,1583222400"; d="scan'208";a="246532598" Received: from xingzhen-mobl1.ccr.corp.intel.com (HELO [10.255.30.164]) ([10.255.30.164]) by fmsmga007.fm.intel.com with ESMTP; 24 Apr 2020 01:15:47 -0700 Subject: Re: [LKP] [sched/fair] 6c8116c914: stress-ng.mmapfork.ops_per_sec -38.0% regression To: kernel test robot , Tao Zhou Cc: Peter Zijlstra , Mel Gorman , LKML , lkp@lists.01.org References: <20200421004749.GC26573@shao2-debian> From: Xing Zhengjun Message-ID: <74c86b02-bf93-db33-dbea-9b1934c3c9ab@linux.intel.com> Date: Fri, 24 Apr 2020 16:15:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200421004749.GC26573@shao2-debian> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tao, Do you have time to take a look at this? Thanks. On 4/21/2020 8:47 AM, kernel test robot wrote: > Greeting, > > FYI, we noticed a 56.4% improvement of stress-ng.fifo.ops_per_sec due to commit: > > > commit: 6c8116c914b65be5e4d6f66d69c8142eb0648c22 ("sched/fair: Fix condition of avg_load calculation") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: stress-ng > on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory > with following parameters: > > nr_threads: 100% > disk: 1HDD > testtime: 1s > class: scheduler > cpufreq_governor: performance > ucode: 0xb000038 > sc_pid_max: 4194304 > > > In addition to that, the commit also has significant impact on the following tests: > > +------------------+----------------------------------------------------------------------+ > | testcase: change | stress-ng: stress-ng.mmapfork.ops_per_sec -19.2% regression | > | test machine | 96 threads Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 192G memory | > | test parameters | class=vm | > | | cpufreq_governor=performance | > | | disk=1HDD | > | | fs=ext4 | > | | nr_threads=10% | > | | testtime=1s | > | | ucode=0x500002c | > +------------------+----------------------------------------------------------------------+ > > > > > 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 > > ========================================================================================= > class/compiler/cpufreq_governor/disk/kconfig/nr_threads/rootfs/sc_pid_max/tbox_group/testcase/testtime/ucode: > scheduler/gcc-7/performance/1HDD/x86_64-rhel-7.6/100%/debian-x86_64-20191114.cgz/4194304/lkp-bdw-ep6/stress-ng/1s/0xb000038 > > commit: > e94f80f6c4 ("sched/rt: cpupri_find: Trigger a full search as fallback") > 6c8116c914 ("sched/fair: Fix condition of avg_load calculation") > > e94f80f6c4902000 6c8116c914b65be5e4d6f66d69c > ---------------- --------------------------- > fail:runs %reproduction fail:runs > | | | > :4 25% 1:4 dmesg.WARNING:at#for_ip_interrupt_entry/0x > :4 25% 1:4 dmesg.WARNING:at_ip___perf_sw_event/0x > :4 25% 1:4 dmesg.WARNING:at_ip__slab_free/0x > %stddev %change %stddev > \ | \ > 3986602 ? 12% +56.5% 6237290 ? 11% stress-ng.fifo.ops > 3982065 ? 12% +56.4% 6228889 ? 11% stress-ng.fifo.ops_per_sec > 20066 ? 5% -9.0% 18250 ? 5% stress-ng.fork.ops > 20043 ? 5% -9.0% 18239 ? 6% stress-ng.fork.ops_per_sec > 29.08 ? 2% -38.0% 18.01 stress-ng.mmapfork.ops_per_sec > 2200 +3.8% 2284 stress-ng.time.system_time > 19775571 ? 12% +28.2% 25357609 ? 6% numa-numastat.node1.local_node > 19843883 ? 12% +28.1% 25427059 ? 6% numa-numastat.node1.numa_hit > 4489 ? 15% -21.5% 3523 ? 3% sched_debug.cfs_rq:/.runnable_avg.max > 929.25 -12.0% 818.19 ? 7% sched_debug.cfs_rq:/.runnable_avg.stddev > 1449 ? 26% -25.8% 1075 ? 5% sched_debug.cfs_rq:/.util_avg.max > 28692 +9.2% 31327 ? 5% softirqs.CPU44.TIMER > 22999 ? 3% +13.7% 26141 ? 6% softirqs.CPU56.RCU > 28464 ? 4% +9.9% 31279 ? 6% softirqs.CPU56.TIMER > 30.25 ? 2% -6.6% 28.25 vmstat.cpu.id > 60.00 +4.6% 62.75 vmstat.cpu.sy > 2526959 ? 3% +69.1% 4273296 ? 2% vmstat.memory.cache > 371.25 ? 9% +27.1% 472.00 ? 5% vmstat.procs.r > 30.16 ? 3% -6.0% 28.35 ? 2% iostat.cpu.idle > 60.99 +3.6% 63.22 iostat.cpu.system > 8.39 ? 2% -4.9% 7.98 iostat.cpu.user > 3.10 ?173% -100.0% 0.00 iostat.sdc.await.max > 3.10 ?173% -100.0% 0.00 iostat.sdc.r_await.max > 1082 ? 9% +11.4% 1206 ? 4% slabinfo.kmalloc-128.active_slabs > 34667 ? 9% +11.3% 38602 ? 4% slabinfo.kmalloc-128.num_objs > 1082 ? 9% +11.4% 1206 ? 4% slabinfo.kmalloc-128.num_slabs > 454.50 ? 11% +21.0% 549.75 ? 22% slabinfo.kmalloc-192.active_slabs > 19110 ? 10% +20.9% 23108 ? 22% slabinfo.kmalloc-192.num_objs > 454.50 ? 11% +21.0% 549.75 ? 22% slabinfo.kmalloc-192.num_slabs > 106621 -7.8% 98257 ? 5% slabinfo.kmalloc-32.active_objs > 37329 ? 3% +20.6% 45034 slabinfo.radix_tree_node.active_objs > 706.25 ? 3% +24.5% 879.25 slabinfo.radix_tree_node.active_slabs > 39573 ? 3% +24.5% 49252 slabinfo.radix_tree_node.num_objs > 706.25 ? 3% +24.5% 879.25 slabinfo.radix_tree_node.num_slabs > 1318829 ? 8% +49.7% 1974635 ? 10% meminfo.Active > 1318549 ? 8% +49.7% 1974352 ? 10% meminfo.Active(anon) > 723296 ? 17% +41.1% 1020590 ? 15% meminfo.AnonHugePages > 905050 ? 11% +40.9% 1274793 ? 16% meminfo.AnonPages > 2271966 ? 3% +83.7% 4173221 meminfo.Cached > 62076918 ? 3% +12.6% 69917857 ? 5% meminfo.Committed_AS > 815680 ? 7% +198.4% 2434139 ? 2% meminfo.Inactive > 815324 ? 7% +198.5% 2433786 ? 2% meminfo.Inactive(anon) > 840619 ? 7% +192.4% 2457795 ? 2% meminfo.Mapped > 4535703 ? 4% +51.0% 6849231 ? 3% meminfo.Memused > 66386 ? 5% +20.2% 79763 ? 4% meminfo.PageTables > 1210719 ? 5% +157.1% 3112278 ? 2% meminfo.Shmem > 509312 ? 6% +75.4% 893498 meminfo.max_used_kB > 323591 ? 5% +48.3% 479732 ? 10% proc-vmstat.nr_active_anon > 225088 ? 9% +40.2% 315590 ? 14% proc-vmstat.nr_anon_pages > 362.50 ? 16% +35.7% 492.00 ? 14% proc-vmstat.nr_anon_transparent_hugepages > 3164981 -1.8% 3108432 proc-vmstat.nr_dirty_background_threshold > 6337701 -1.8% 6224466 proc-vmstat.nr_dirty_threshold > 562051 ? 3% +82.2% 1023916 ? 2% proc-vmstat.nr_file_pages > 31851080 -1.8% 31284538 proc-vmstat.nr_free_pages > 201936 ? 8% +196.7% 599169 ? 3% proc-vmstat.nr_inactive_anon > 208366 ? 8% +190.5% 605371 ? 3% proc-vmstat.nr_mapped > 16350 ? 3% +24.7% 20391 ? 7% proc-vmstat.nr_page_table_pages > 296735 ? 6% +155.7% 758662 ? 3% proc-vmstat.nr_shmem > 323592 ? 5% +48.3% 479731 ? 10% proc-vmstat.nr_zone_active_anon > 201936 ? 8% +196.7% 599168 ? 3% proc-vmstat.nr_zone_inactive_anon > 14509555 ? 2% +6.5% 15449984 proc-vmstat.pgactivate > 565861 ? 54% -93.7% 35832 ? 28% numa-meminfo.node0.Inactive > 565602 ? 54% -93.7% 35573 ? 28% numa-meminfo.node0.Inactive(anon) > 583972 ? 52% -91.4% 50225 ? 20% numa-meminfo.node0.Mapped > 627138 ? 20% +131.7% 1453311 ? 9% numa-meminfo.node1.Active > 627070 ? 20% +131.8% 1453285 ? 9% numa-meminfo.node1.Active(anon) > 327555 ? 17% +109.1% 684899 ? 9% numa-meminfo.node1.AnonHugePages > 460420 ? 11% +76.5% 812769 ? 16% numa-meminfo.node1.AnonPages > 968393 ? 45% +265.8% 3542629 ? 3% numa-meminfo.node1.FilePages > 270293 ?115% +784.7% 2391349 ? 3% numa-meminfo.node1.Inactive > 270196 ?116% +785.0% 2391255 ? 3% numa-meminfo.node1.Inactive(anon) > 94282 ? 6% +14.1% 107588 ? 4% numa-meminfo.node1.KReclaimable > 277310 ?113% +765.8% 2401026 ? 2% numa-meminfo.node1.Mapped > 2101472 ? 20% +143.0% 5106156 ? 3% numa-meminfo.node1.MemUsed > 30839 ? 14% +75.9% 54240 ? 5% numa-meminfo.node1.PageTables > 94282 ? 6% +14.1% 107588 ? 4% numa-meminfo.node1.SReclaimable > 428801 ?102% +603.2% 3015356 ? 3% numa-meminfo.node1.Shmem > 319011 ? 32% -53.5% 148357 ? 3% numa-vmstat.node0.nr_file_pages > 136650 ? 54% -90.3% 13199 ? 47% numa-vmstat.node0.nr_inactive_anon > 141251 ? 52% -88.0% 16942 ? 37% numa-vmstat.node0.nr_mapped > 9345 ? 15% -29.0% 6638 ? 9% numa-vmstat.node0.nr_page_table_pages > 188582 ? 54% -92.1% 14926 ? 42% numa-vmstat.node0.nr_shmem > 136645 ? 54% -90.3% 13189 ? 47% numa-vmstat.node0.nr_zone_inactive_anon > 11178939 ? 9% -17.1% 9271727 ? 7% numa-vmstat.node0.numa_hit > 10982245 ? 9% -17.1% 9101421 ? 7% numa-vmstat.node0.numa_local > 158792 ? 23% +130.0% 365220 ? 12% numa-vmstat.node1.nr_active_anon > 114790 ? 11% +76.4% 202539 ? 17% numa-vmstat.node1.nr_anon_pages > 160.50 ? 19% +107.3% 332.75 ? 9% numa-vmstat.node1.nr_anon_transparent_hugepages > 244507 ? 46% +262.7% 886783 ? 2% numa-vmstat.node1.nr_file_pages > 68248 ?122% +773.8% 596360 numa-vmstat.node1.nr_inactive_anon > 70043 ?119% +755.1% 598917 numa-vmstat.node1.nr_mapped > 8117 ? 22% +66.1% 13481 ? 3% numa-vmstat.node1.nr_page_table_pages > 109596 ?104% +588.9% 754961 ? 3% numa-vmstat.node1.nr_shmem > 23655 ? 7% +13.4% 26828 ? 4% numa-vmstat.node1.nr_slab_reclaimable > 158794 ? 23% +130.0% 365223 ? 12% numa-vmstat.node1.nr_zone_active_anon > 68248 ?122% +773.8% 596359 numa-vmstat.node1.nr_zone_inactive_anon > 10597757 ? 6% +31.0% 13877833 ? 2% numa-vmstat.node1.numa_hit > 10518704 ? 6% +30.8% 13763501 ? 3% numa-vmstat.node1.numa_local > 130.75 ? 26% -78.4% 28.25 ? 11% interrupts.36:IR-PCI-MSI.1572867-edge.eth0-TxRx-2 > 454956 ? 13% -45.1% 249594 ? 38% interrupts.CPU14.LOC:Local_timer_interrupts > 17625 ? 28% +80.2% 31751 ? 37% interrupts.CPU14.RES:Rescheduling_interrupts > 130.75 ? 26% -78.4% 28.25 ? 11% interrupts.CPU15.36:IR-PCI-MSI.1572867-edge.eth0-TxRx-2 > 263948 ? 23% -25.7% 196017 ? 2% interrupts.CPU15.LOC:Local_timer_interrupts > 425840 ? 19% -53.7% 197051 ? 4% interrupts.CPU17.LOC:Local_timer_interrupts > 44187 ? 27% -53.8% 20406 ? 39% interrupts.CPU18.RES:Rescheduling_interrupts > 2400 ?149% -91.2% 211.50 ?143% interrupts.CPU2.IWI:IRQ_work_interrupts > 432176 ? 16% -51.2% 211015 ? 9% interrupts.CPU2.LOC:Local_timer_interrupts > 444388 ? 20% -44.4% 246924 ? 34% interrupts.CPU20.LOC:Local_timer_interrupts > 1763 ? 11% +31.8% 2324 ? 13% interrupts.CPU25.TLB:TLB_shootdowns > 428063 ? 7% -33.9% 282779 ? 33% interrupts.CPU27.LOC:Local_timer_interrupts > 19879 ? 66% +94.7% 38706 ? 47% interrupts.CPU29.RES:Rescheduling_interrupts > 1459 ? 17% +62.3% 2369 ? 22% interrupts.CPU32.TLB:TLB_shootdowns > 1593 ? 17% +35.2% 2154 ? 15% interrupts.CPU33.TLB:TLB_shootdowns > 1388 ? 21% +57.5% 2185 ? 19% interrupts.CPU34.TLB:TLB_shootdowns > 44877 ? 50% -52.3% 21390 ? 19% interrupts.CPU36.RES:Rescheduling_interrupts > 6002 ? 35% -34.7% 3920 ? 8% interrupts.CPU37.CAL:Function_call_interrupts > 519.00 ?159% -95.2% 24.75 ? 51% interrupts.CPU4.IWI:IRQ_work_interrupts > 371753 ? 25% -46.6% 198407 ? 6% interrupts.CPU4.LOC:Local_timer_interrupts > 1490 ? 19% +42.9% 2130 ? 7% interrupts.CPU41.TLB:TLB_shootdowns > 6738 ? 41% -34.0% 4449 ? 19% interrupts.CPU45.CAL:Function_call_interrupts > 1145 ?124% -82.6% 199.25 ?153% interrupts.CPU46.IWI:IRQ_work_interrupts > 275.75 ?141% -94.2% 16.00 ? 84% interrupts.CPU48.IWI:IRQ_work_interrupts > 310.00 ?134% -93.1% 21.25 ?103% interrupts.CPU49.IWI:IRQ_work_interrupts > 463385 ? 3% -57.3% 197853 ? 6% interrupts.CPU49.LOC:Local_timer_interrupts > 7206 ? 33% -36.7% 4558 ? 10% interrupts.CPU5.CAL:Function_call_interrupts > 264579 ? 13% -24.5% 199834 ? 2% interrupts.CPU5.LOC:Local_timer_interrupts > 5463 ? 14% -26.3% 4025 ? 11% interrupts.CPU50.CAL:Function_call_interrupts > 7063 ? 31% -41.3% 4147 ? 13% interrupts.CPU54.CAL:Function_call_interrupts > 287711 ? 25% -31.7% 196499 ? 6% interrupts.CPU55.LOC:Local_timer_interrupts > 415854 ? 8% -41.4% 243719 ? 33% interrupts.CPU57.LOC:Local_timer_interrupts > 324710 ? 32% -38.3% 200427 ? 11% interrupts.CPU6.LOC:Local_timer_interrupts > 343106 ? 32% -27.0% 250512 ? 35% interrupts.CPU61.LOC:Local_timer_interrupts > 395834 ? 19% -49.0% 201844 ? 17% interrupts.CPU63.LOC:Local_timer_interrupts > 483611 ? 24% -48.4% 249593 ? 31% interrupts.CPU64.LOC:Local_timer_interrupts > 1885 ? 13% +37.5% 2591 ? 23% interrupts.CPU69.TLB:TLB_shootdowns > 382720 ? 33% -38.5% 235483 ? 34% interrupts.CPU7.LOC:Local_timer_interrupts > 1437 ? 11% +37.1% 1970 ? 16% interrupts.CPU70.TLB:TLB_shootdowns > 3844 ? 34% +64.2% 6312 ? 2% interrupts.CPU71.NMI:Non-maskable_interrupts > 3844 ? 34% +64.2% 6312 ? 2% interrupts.CPU71.PMI:Performance_monitoring_interrupts > 54451 ? 37% -65.6% 18725 ? 51% interrupts.CPU71.RES:Rescheduling_interrupts > 1710 ? 6% +27.2% 2176 ? 10% interrupts.CPU72.TLB:TLB_shootdowns > 350141 ? 20% -32.6% 236073 ? 29% interrupts.CPU74.LOC:Local_timer_interrupts > 1172 ? 18% +80.1% 2112 ? 10% interrupts.CPU76.TLB:TLB_shootdowns > 59169 ? 36% -56.0% 26026 ? 56% interrupts.CPU84.RES:Rescheduling_interrupts > 409027 ? 39% -41.4% 239528 ? 25% interrupts.CPU86.LOC:Local_timer_interrupts > 1543 ? 14% +24.6% 1922 ? 9% interrupts.CPU86.TLB:TLB_shootdowns > 8.71 ? 7% -3.8 4.92 ? 23% perf-profile.calltrace.cycles-pp.__wake_up_common_lock.pipe_write.new_sync_write.vfs_write.ksys_write > 8.66 ? 7% -3.8 4.89 ? 23% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.pipe_write.new_sync_write.vfs_write > 8.61 ? 7% -3.8 4.84 ? 23% perf-profile.calltrace.cycles-pp.pollwake.__wake_up_common.__wake_up_common_lock.pipe_write.new_sync_write > 8.60 ? 7% -3.8 4.83 ? 23% perf-profile.calltrace.cycles-pp.try_to_wake_up.pollwake.__wake_up_common.__wake_up_common_lock.pipe_write > 10.58 ? 4% -3.7 6.87 ? 17% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.activate_task > 10.46 ? 5% -3.7 6.77 ? 17% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__account_scheduler_latency.enqueue_entity.enqueue_task_fair > 11.46 ? 4% -3.6 7.81 ? 14% perf-profile.calltrace.cycles-pp.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate > 11.71 ? 4% -3.6 8.07 ? 13% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up > 8.92 ? 7% -3.6 5.31 ? 22% perf-profile.calltrace.cycles-pp.pipe_write.new_sync_write.vfs_write.ksys_write.do_syscall_64 > 9.02 ? 7% -3.6 5.42 ? 22% perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe > 7.95 ? 6% -3.6 4.36 ? 23% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.try_to_wake_up.pollwake.__wake_up_common > 7.95 ? 6% -3.6 4.36 ? 23% perf-profile.calltrace.cycles-pp.ttwu_do_activate.try_to_wake_up.pollwake.__wake_up_common.__wake_up_common_lock > 7.94 ? 6% -3.6 4.36 ? 23% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up.pollwake > 14.89 ? 4% -3.6 11.31 ? 10% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write > 14.94 ? 4% -3.6 11.37 ? 10% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write > 15.40 ? 3% -3.4 12.01 ? 10% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write > 15.42 ? 3% -3.4 12.04 ? 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__GI___libc_write > 15.70 ? 3% -3.3 12.39 ? 10% perf-profile.calltrace.cycles-pp.__GI___libc_write > 4.89 ? 13% -2.0 2.94 ? 25% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.fsnotify_add_event.fanotify_handle_event.fsnotify > 1.67 ? 23% -0.6 1.11 ? 10% perf-profile.calltrace.cycles-pp._raw_spin_lock.fsnotify_add_event.fanotify_handle_event.fsnotify.do_sys_openat2 > 1.98 ? 8% -0.5 1.50 ? 10% perf-profile.calltrace.cycles-pp._raw_spin_lock.fsnotify_add_event.fanotify_handle_event.fsnotify.__fput > 2.54 ? 3% -0.4 2.14 ? 7% perf-profile.calltrace.cycles-pp.fsnotify_add_event.fanotify_handle_event.fsnotify.__fput.task_work_run > 0.66 ? 9% -0.4 0.27 ?100% perf-profile.calltrace.cycles-pp._raw_spin_lock.fsnotify_add_event.fanotify_handle_event.fsnotify.vfs_read > 2.84 -0.3 2.55 ? 6% perf-profile.calltrace.cycles-pp.fsnotify_add_event.fanotify_handle_event.fsnotify.do_sys_openat2.do_sys_open > 2.83 ? 2% -0.3 2.56 ? 4% perf-profile.calltrace.cycles-pp.fanotify_handle_event.fsnotify.__fput.task_work_run.exit_to_usermode_loop > 0.69 ? 5% -0.3 0.43 ? 58% perf-profile.calltrace.cycles-pp._raw_spin_lock.fsnotify_add_event.fanotify_handle_event.fsnotify.vfs_write > 2.91 ? 2% -0.3 2.65 ? 4% perf-profile.calltrace.cycles-pp.fsnotify.__fput.task_work_run.exit_to_usermode_loop.do_syscall_64 > 7.23 -0.2 6.99 perf-profile.calltrace.cycles-pp.__fput.task_work_run.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe > 3.10 -0.2 2.90 ? 4% perf-profile.calltrace.cycles-pp.fanotify_handle_event.fsnotify.do_sys_openat2.do_sys_open.do_syscall_64 > 0.94 ? 8% -0.1 0.80 ? 3% perf-profile.calltrace.cycles-pp.pagevec_lru_move_fn.lru_add_drain_cpu.lru_add_drain.unmap_region.__do_munmap > 0.95 ? 8% -0.1 0.82 ? 3% perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.unmap_region.__do_munmap.__vm_munmap > 0.77 ? 10% -0.1 0.64 ? 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.pagevec_lru_move_fn.lru_add_drain_cpu.lru_add_drain > 0.79 ? 10% -0.1 0.66 ? 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.pagevec_lru_move_fn.lru_add_drain_cpu.lru_add_drain.unmap_region > 0.95 ? 8% -0.1 0.82 ? 3% perf-profile.calltrace.cycles-pp.lru_add_drain.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap > 0.87 ? 3% -0.1 0.75 ? 6% perf-profile.calltrace.cycles-pp.fsnotify_add_event.fanotify_handle_event.fsnotify.vfs_read.ksys_read > 0.85 ? 3% -0.1 0.74 ? 8% perf-profile.calltrace.cycles-pp.fsnotify_add_event.fanotify_handle_event.fsnotify.vfs_write.ksys_write > 1.25 ? 6% -0.1 1.14 ? 2% perf-profile.calltrace.cycles-pp.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 > 4.21 -0.1 4.10 perf-profile.calltrace.cycles-pp.task_work_run.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_close > 4.27 -0.1 4.16 perf-profile.calltrace.cycles-pp.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_close > 1.35 ? 5% -0.1 1.25 ? 2% perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.munmap > 1.33 ? 5% -0.1 1.23 ? 2% perf-profile.calltrace.cycles-pp.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe > 1.34 ? 5% -0.1 1.24 ? 2% perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.munmap > 1.85 -0.1 1.75 ? 4% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 0.97 ? 2% -0.1 0.89 ? 4% perf-profile.calltrace.cycles-pp.fanotify_handle_event.fsnotify.vfs_read.ksys_read.do_syscall_64 > 1.02 ? 2% -0.1 0.96 ? 4% perf-profile.calltrace.cycles-pp.fsnotify.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe > 0.86 ? 8% +0.1 0.96 ? 5% perf-profile.calltrace.cycles-pp.copy_page_range.dup_mm.copy_process._do_fork.__x64_sys_clone > 0.85 ? 7% +0.1 0.95 ? 4% perf-profile.calltrace.cycles-pp.copy_p4d_range.copy_page_range.dup_mm.copy_process._do_fork > 0.66 ? 5% +0.1 0.79 ? 12% perf-profile.calltrace.cycles-pp.apparmor_file_alloc_security.security_file_alloc.__alloc_file.alloc_empty_file.dentry_open > 0.69 ? 4% +0.1 0.82 ? 11% perf-profile.calltrace.cycles-pp.security_file_alloc.__alloc_file.alloc_empty_file.dentry_open.fanotify_read > 0.67 ? 4% +0.1 0.81 ? 13% perf-profile.calltrace.cycles-pp.apparmor_file_free_security.security_file_free.__fput.task_work_run.exit_to_usermode_loop > 0.68 ? 5% +0.1 0.82 ? 12% perf-profile.calltrace.cycles-pp.security_file_free.__fput.task_work_run.exit_to_usermode_loop.do_syscall_64 > 0.30 ?100% +0.4 0.67 ? 5% perf-profile.calltrace.cycles-pp.fanotify_merge.fsnotify_add_event.fanotify_handle_event.fsnotify.do_sys_openat2 > 5.06 ? 3% +0.5 5.55 ? 2% perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_read > 5.11 ? 3% +0.5 5.60 ? 2% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_read > 5.53 ? 3% +0.7 6.22 ? 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_read > 5.55 ? 3% +0.7 6.24 ? 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__GI___libc_read > 5.87 ? 3% +0.8 6.66 ? 3% perf-profile.calltrace.cycles-pp.__GI___libc_read > 2.06 +2.0 4.05 ? 71% perf-profile.calltrace.cycles-pp.page_fault > 2.00 +2.0 3.99 ? 72% perf-profile.calltrace.cycles-pp.do_page_fault.page_fault > 1.72 +2.0 3.73 ? 78% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_page_fault.page_fault > 1.77 +2.0 3.78 ? 77% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_page_fault.page_fault > 30.85 ? 2% -5.8 25.06 ? 4% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath > 16.38 ? 4% -4.0 12.35 ? 10% perf-profile.children.cycles-pp.try_to_wake_up > 14.81 ? 3% -3.9 10.96 ? 11% perf-profile.children.cycles-pp._raw_spin_lock_irqsave > 9.39 ? 6% -3.8 5.57 ? 20% perf-profile.children.cycles-pp.__wake_up_common_lock > 8.72 ? 7% -3.8 4.90 ? 23% perf-profile.children.cycles-pp.pollwake > 13.03 ? 4% -3.8 9.24 ? 12% perf-profile.children.cycles-pp.enqueue_task_fair > 13.03 ? 4% -3.8 9.26 ? 12% perf-profile.children.cycles-pp.ttwu_do_activate > 13.05 ? 4% -3.8 9.28 ? 12% perf-profile.children.cycles-pp.activate_task > 12.34 ? 4% -3.8 8.58 ? 13% perf-profile.children.cycles-pp.__account_scheduler_latency > 12.75 ? 4% -3.7 9.00 ? 12% perf-profile.children.cycles-pp.enqueue_entity > 13.76 ? 4% -3.7 10.04 ? 11% perf-profile.children.cycles-pp.__wake_up_common > 8.93 ? 7% -3.6 5.31 ? 22% perf-profile.children.cycles-pp.pipe_write > 9.30 ? 6% -3.6 5.72 ? 20% perf-profile.children.cycles-pp.new_sync_write > 15.09 ? 3% -3.5 11.57 ? 10% perf-profile.children.cycles-pp.ksys_write > 15.26 ? 3% -3.5 11.75 ? 9% perf-profile.children.cycles-pp.vfs_write > 15.80 ? 3% -3.3 12.55 ? 10% perf-profile.children.cycles-pp.__GI___libc_write > 77.73 -3.0 74.69 ? 4% perf-profile.children.cycles-pp.do_syscall_64 > 77.85 -3.0 74.83 ? 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe > 17.37 ? 4% -1.7 15.68 ? 2% perf-profile.children.cycles-pp._raw_spin_lock > 6.95 ? 5% -1.2 5.79 ? 26% perf-profile.children.cycles-pp.rwsem_down_write_slowpath > 6.87 ? 5% -1.2 5.71 ? 26% perf-profile.children.cycles-pp.rwsem_optimistic_spin > 7.29 ? 2% -1.0 6.33 ? 6% perf-profile.children.cycles-pp.fsnotify_add_event > 8.05 -0.6 7.42 ? 4% perf-profile.children.cycles-pp.fanotify_handle_event > 8.41 -0.6 7.84 ? 4% perf-profile.children.cycles-pp.fsnotify > 7.33 -0.3 7.08 perf-profile.children.cycles-pp.__fput > 7.76 -0.2 7.51 perf-profile.children.cycles-pp.exit_to_usermode_loop > 1.01 ? 7% -0.1 0.88 ? 3% perf-profile.children.cycles-pp.lru_add_drain > 0.96 ? 7% -0.1 0.83 ? 5% perf-profile.children.cycles-pp.__pagevec_release > 1.03 ? 7% -0.1 0.91 ? 3% perf-profile.children.cycles-pp.lru_add_drain_cpu > 1.02 ? 7% -0.1 0.90 ? 2% perf-profile.children.cycles-pp.pagevec_lru_move_fn > 1.46 ? 6% -0.1 1.35 ? 2% perf-profile.children.cycles-pp.unmap_region > 1.87 -0.1 1.78 ? 4% perf-profile.children.cycles-pp.schedule_idle > 1.49 ? 5% -0.1 1.40 perf-profile.children.cycles-pp.__x64_sys_munmap > 0.58 ? 11% -0.1 0.52 ? 12% perf-profile.children.cycles-pp.load_balance > 0.60 ? 5% -0.1 0.54 ? 3% perf-profile.children.cycles-pp.truncate_inode_pages_range > 0.11 ? 3% -0.0 0.10 ? 4% perf-profile.children.cycles-pp.seq_show > 0.11 ? 3% -0.0 0.10 ? 4% perf-profile.children.cycles-pp.seq_printf > 0.11 -0.0 0.10 ? 4% perf-profile.children.cycles-pp.seq_vprintf > 0.09 ? 4% +0.0 0.11 ? 4% perf-profile.children.cycles-pp.__check_object_size > 0.09 ? 4% +0.0 0.11 ? 11% perf-profile.children.cycles-pp.current_time > 0.25 ? 2% +0.0 0.27 ? 2% perf-profile.children.cycles-pp.update_process_times > 0.29 ? 4% +0.0 0.31 ? 2% perf-profile.children.cycles-pp.generic_file_write_iter > 0.31 ? 3% +0.0 0.33 perf-profile.children.cycles-pp.new_inode_pseudo > 0.18 ? 5% +0.0 0.21 ? 6% perf-profile.children.cycles-pp.__might_sleep > 0.34 ? 4% +0.0 0.38 ? 6% perf-profile.children.cycles-pp.do_wp_page > 0.01 ?173% +0.0 0.06 ? 16% perf-profile.children.cycles-pp.icmp_sk_exit > 0.30 ? 4% +0.0 0.35 ? 9% perf-profile.children.cycles-pp.wp_page_copy > 0.22 ? 3% +0.0 0.27 ? 2% perf-profile.children.cycles-pp.fput_many > 0.60 ? 5% +0.1 0.66 ? 2% perf-profile.children.cycles-pp.rcu_core > 0.23 ? 4% +0.1 0.28 ? 9% perf-profile.children.cycles-pp.__pte_alloc > 0.45 ? 6% +0.1 0.51 ? 3% perf-profile.children.cycles-pp.pte_alloc_one > 0.23 ? 12% +0.1 0.29 ? 16% perf-profile.children.cycles-pp.cleanup_net > 0.42 ? 6% +0.1 0.48 ? 8% perf-profile.children.cycles-pp.prep_new_page > 0.39 ? 6% +0.1 0.45 ? 2% perf-profile.children.cycles-pp.memset_erms > 0.76 ? 2% +0.1 0.83 ? 2% perf-profile.children.cycles-pp.kmem_cache_alloc > 0.23 ? 19% +0.1 0.31 perf-profile.children.cycles-pp.path_put > 0.73 ? 3% +0.1 0.81 ? 3% perf-profile.children.cycles-pp.__softirqentry_text_start > 0.22 ? 13% +0.1 0.32 ? 14% perf-profile.children.cycles-pp.put_pid > 0.47 ? 8% +0.1 0.57 ? 3% perf-profile.children.cycles-pp.___might_sleep > 0.68 ? 4% +0.1 0.79 ? 6% perf-profile.children.cycles-pp.get_page_from_freelist > 0.76 ? 4% +0.1 0.87 ? 5% perf-profile.children.cycles-pp.__alloc_pages_nodemask > 0.35 ? 4% +0.1 0.48 ? 11% perf-profile.children.cycles-pp.fanotify_alloc_event > 0.79 ? 4% +0.1 0.92 ? 9% perf-profile.children.cycles-pp.apparmor_file_alloc_security > 0.86 ? 3% +0.1 0.99 ? 9% perf-profile.children.cycles-pp.security_file_alloc > 1.30 ? 3% +0.1 1.45 ? 7% perf-profile.children.cycles-pp.__alloc_file > 0.85 ? 6% +0.1 1.00 ? 6% perf-profile.children.cycles-pp.syscall_return_via_sysret > 0.73 ? 4% +0.1 0.88 ? 12% perf-profile.children.cycles-pp.security_file_free > 0.72 ? 4% +0.2 0.87 ? 12% perf-profile.children.cycles-pp.apparmor_file_free_security > 1.32 ? 3% +0.2 1.47 ? 7% perf-profile.children.cycles-pp.alloc_empty_file > 1.29 ? 5% +0.2 1.45 ? 3% perf-profile.children.cycles-pp.copy_page_range > 1.26 ? 4% +0.2 1.41 ? 3% perf-profile.children.cycles-pp.copy_p4d_range > 0.46 ? 17% +0.2 0.64 ? 7% perf-profile.children.cycles-pp.fanotify_free_event > 1.45 ? 24% +0.4 1.90 ? 2% perf-profile.children.cycles-pp.fanotify_merge > 5.23 ? 2% +0.5 5.70 ? 2% perf-profile.children.cycles-pp.vfs_read > 5.24 ? 2% +0.5 5.72 ? 2% perf-profile.children.cycles-pp.ksys_read > 5.90 ? 3% +0.8 6.69 ? 3% perf-profile.children.cycles-pp.__GI___libc_read > 2.83 ? 2% +2.0 4.79 ? 59% perf-profile.children.cycles-pp.page_fault > 2.69 ? 2% +2.0 4.66 ? 61% perf-profile.children.cycles-pp.do_page_fault > 30.71 -5.8 24.94 ? 4% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath > 0.09 +0.0 0.11 ? 12% perf-profile.self.cycles-pp.vma_interval_tree_remove > 0.10 +0.0 0.12 ? 13% perf-profile.self.cycles-pp.__rb_insert_augmented > 0.13 ? 5% +0.0 0.15 ? 7% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe > 0.15 ? 4% +0.0 0.18 ? 2% perf-profile.self.cycles-pp.fput_many > 0.28 +0.0 0.32 ? 3% perf-profile.self.cycles-pp.kmem_cache_alloc > 0.14 ? 9% +0.0 0.19 ? 5% perf-profile.self.cycles-pp.fanotify_alloc_event > 0.19 ? 3% +0.0 0.24 ? 21% perf-profile.self.cycles-pp.anon_vma_clone > 0.31 ? 10% +0.1 0.37 ? 4% perf-profile.self.cycles-pp.fsnotify > 0.38 ? 7% +0.1 0.43 perf-profile.self.cycles-pp.memset_erms > 0.21 ? 13% +0.1 0.30 ? 14% perf-profile.self.cycles-pp.put_pid > 0.68 ? 5% +0.1 0.78 ? 5% perf-profile.self.cycles-pp._raw_spin_lock_irqsave > 0.45 ? 8% +0.1 0.55 ? 3% perf-profile.self.cycles-pp.___might_sleep > 0.77 ? 4% +0.1 0.89 ? 10% perf-profile.self.cycles-pp.apparmor_file_alloc_security > 0.99 ? 4% +0.1 1.12 ? 2% perf-profile.self.cycles-pp._raw_spin_lock > 0.85 ? 6% +0.1 1.00 ? 6% perf-profile.self.cycles-pp.syscall_return_via_sysret > 0.71 ? 4% +0.1 0.86 ? 11% perf-profile.self.cycles-pp.apparmor_file_free_security > 1.44 ? 23% +0.4 1.88 ? 2% perf-profile.self.cycles-pp.fanotify_merge > > > > stress-ng.mmapfork.ops_per_sec > > 36 +----------------------------------------------------------------------+ > 34 |-+ + | > | + : +.. + + | > 32 |..+.. + : + : : : : +..+.. | > 30 |-+ + : + +.. .+.. : : : : + .+.. | > | : .+.. .+ +. + : : : + +..+..+. +..| > 28 |-+ +. +. + + | > 26 |-+ | > 24 |-+ | > | | > 22 |-+ | > 20 |-+ O | > | O O O O O O O O O O O O | > 18 |-+ O O O O O O O | > 16 +----------------------------------------------------------------------+ > > > [*] bisect-good sample > [O] bisect-bad sample > > *************************************************************************************************** > lkp-csl-2sp5: 96 threads Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 192G memory > ========================================================================================= > class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/testcase/testtime/ucode: > vm/gcc-7/performance/1HDD/ext4/x86_64-rhel-7.6/10%/debian-x86_64-20191114.cgz/lkp-csl-2sp5/stress-ng/1s/0x500002c > > commit: > e94f80f6c4 ("sched/rt: cpupri_find: Trigger a full search as fallback") > 6c8116c914 ("sched/fair: Fix condition of avg_load calculation") > > e94f80f6c4902000 6c8116c914b65be5e4d6f66d69c > ---------------- --------------------------- > fail:runs %reproduction fail:runs > | | | > :4 50% 2:4 dmesg.WARNING:at_ip_native_sched_clock/0x > 1:4 -25% :4 kmsg.Memory_failure:#:recovery_action_for_clean_LRU_page:Recovered > :4 25% 1:4 kmsg.Memory_failure:#:recovery_action_for_high-order_kernel_page:Ignored > 1:4 -25% :4 kmsg.Memory_failure:#:recovery_action_for_reserved_kernel_page:Failed > 1:4 -25% :4 kmsg.Memory_failure:#:reserved_kernel_page_still_referenced_by#users > 0:4 15% 1:4 perf-profile.calltrace.cycles-pp.error_entry > 2:4 -9% 1:4 perf-profile.children.cycles-pp.error_entry > 0:4 -2% 0:4 perf-profile.self.cycles-pp.error_entry > %stddev %change %stddev > \ | \ > 1.45 ? 4% -19.2% 1.17 stress-ng.mmapfork.ops_per_sec > 34.69 +3.8% 36.02 stress-ng.time.elapsed_time > 34.69 +3.8% 36.02 stress-ng.time.elapsed_time.max > 25456 ? 3% +61.0% 40992 stress-ng.time.involuntary_context_switches > 48979390 -1.7% 48167776 stress-ng.time.minor_page_faults > 2216 +8.6% 2407 stress-ng.time.percent_of_cpu_this_job_got > 678.84 +13.8% 772.64 stress-ng.time.system_time > 90.09 ? 2% +5.1% 94.70 stress-ng.time.user_time > 3736135 -8.1% 3432912 ? 4% stress-ng.vm-splice.ops > 3736645 -8.1% 3433013 ? 4% stress-ng.vm-splice.ops_per_sec > 22.94 +2.9 25.82 mpstat.cpu.all.sys% > 64068 +20.9% 77445 slabinfo.radix_tree_node.active_objs > 1191 +24.5% 1483 slabinfo.radix_tree_node.active_slabs > 66763 +24.5% 83089 slabinfo.radix_tree_node.num_objs > 1191 +24.5% 1483 slabinfo.radix_tree_node.num_slabs > 13465 ? 5% -7.5% 12458 ? 4% softirqs.CPU54.RCU > 21991 ? 9% -12.2% 19314 ? 2% softirqs.CPU67.TIMER > 18381 ? 3% +15.7% 21272 ? 11% softirqs.CPU78.TIMER > 19718 ? 5% -6.2% 18501 ? 6% softirqs.CPU85.TIMER > 75.25 -4.3% 72.00 vmstat.cpu.id > 7158306 +55.5% 11133290 vmstat.memory.cache > 41.00 +21.1% 49.67 vmstat.procs.r > 164992 -2.7% 160484 vmstat.system.cs > 5119 ? 27% +26.0% 6449 sched_debug.cfs_rq:/.min_vruntime.min > 40.68 ? 43% -44.2% 22.70 ? 56% sched_debug.cfs_rq:/.removed.load_avg.avg > 193.17 ? 22% -25.4% 144.08 ? 27% sched_debug.cfs_rq:/.removed.load_avg.stddev > 40.68 ? 43% -44.2% 22.70 ? 56% sched_debug.cfs_rq:/.removed.runnable_avg.avg > 193.17 ? 22% -25.4% 144.08 ? 27% sched_debug.cfs_rq:/.removed.runnable_avg.stddev > 75.65 -3.8% 72.79 iostat.cpu.idle > 21.71 +12.9% 24.51 iostat.cpu.system > 3.38 ?173% -100.0% 0.00 iostat.sdb.avgqu-sz.max > 55.24 ?173% -100.0% 0.00 iostat.sdb.await.max > 7.86 ?173% -100.0% 0.00 iostat.sdb.r_await.max > 0.50 ?173% -100.0% 0.00 iostat.sdb.svctm.max > 73.58 ?173% -100.0% 0.00 iostat.sdb.w_await.max > 3441402 +37.0% 4713857 ? 2% meminfo.Active > 3435631 +37.0% 4708095 ? 2% meminfo.Active(anon) > 7080694 ? 2% +57.1% 11123426 meminfo.Cached > 15441325 +16.2% 17935592 meminfo.Committed_AS > 4095008 ? 2% +64.3% 6730005 meminfo.Inactive > 4091903 ? 2% +64.4% 6726722 meminfo.Inactive(anon) > 3878376 ? 2% +68.4% 6532231 meminfo.Mapped > 9729489 +40.4% 13657740 meminfo.Memused > 24152 ? 2% +27.3% 30748 meminfo.PageTables > 5975926 ? 2% +67.6% 10018605 meminfo.Shmem > 1449016 +34.8% 1953751 meminfo.max_used_kB > 858313 +36.8% 1173864 ? 2% proc-vmstat.nr_active_anon > 406781 -8.2% 373619 ? 2% proc-vmstat.nr_anon_pages > 4645359 -2.1% 4548445 proc-vmstat.nr_dirty_background_threshold > 9302077 -2.1% 9108013 proc-vmstat.nr_dirty_threshold > 1771956 +56.2% 2768047 proc-vmstat.nr_file_pages > 46738540 -2.1% 45771374 proc-vmstat.nr_free_pages > 1030382 ? 2% +62.8% 1677583 proc-vmstat.nr_inactive_anon > 975596 ? 2% +67.0% 1628805 proc-vmstat.nr_mapped > 15306 ? 2% -4.8% 14573 ? 4% proc-vmstat.nr_mlock > 6053 +26.9% 7682 proc-vmstat.nr_page_table_pages > 1495457 ? 2% +66.6% 2491556 proc-vmstat.nr_shmem > 28335 +7.4% 30444 proc-vmstat.nr_slab_reclaimable > 858313 +36.8% 1173863 ? 2% proc-vmstat.nr_zone_active_anon > 1030382 ? 2% +62.8% 1677583 proc-vmstat.nr_zone_inactive_anon > 44230 ? 7% +38.1% 61075 ? 6% proc-vmstat.numa_pages_migrated > 44230 ? 7% +38.1% 61075 ? 6% proc-vmstat.pgmigrate_success > 21392 ? 7% +17.8% 25205 ? 3% interrupts.CPU1.CAL:Function_call_interrupts > 29824 ? 8% +60.3% 47813 ? 16% interrupts.CPU1.TLB:TLB_shootdowns > 93.75 ? 22% +298.6% 373.67 ? 34% interrupts.CPU10.RES:Rescheduling_interrupts > 28425 ? 9% +35.6% 38542 ? 10% interrupts.CPU10.TLB:TLB_shootdowns > 28648 ? 9% +21.9% 34913 ? 9% interrupts.CPU11.TLB:TLB_shootdowns > 20812 ? 10% +15.8% 24090 ? 3% interrupts.CPU12.CAL:Function_call_interrupts > 28668 ? 11% +35.8% 38941 ? 13% interrupts.CPU12.TLB:TLB_shootdowns > 97.50 ? 18% +205.3% 297.67 ? 43% interrupts.CPU14.RES:Rescheduling_interrupts > 152.00 ? 77% +627.0% 1105 ? 81% interrupts.CPU15.RES:Rescheduling_interrupts > 30393 ? 12% +43.5% 43611 ? 19% interrupts.CPU15.TLB:TLB_shootdowns > 20253 ? 5% +18.7% 24046 ? 4% interrupts.CPU18.CAL:Function_call_interrupts > 19382 ? 14% +26.8% 24576 ? 8% interrupts.CPU19.CAL:Function_call_interrupts > 26649 ? 12% +57.4% 41941 ? 18% interrupts.CPU19.TLB:TLB_shootdowns > 30299 ? 9% +38.1% 41829 ? 20% interrupts.CPU22.TLB:TLB_shootdowns > 43754 ? 18% -37.5% 27337 ? 2% interrupts.CPU25.TLB:TLB_shootdowns > 40282 ? 31% -27.2% 29321 ? 18% interrupts.CPU26.TLB:TLB_shootdowns > 524.75 ? 52% -62.3% 198.00 ? 57% interrupts.CPU27.RES:Rescheduling_interrupts > 381.25 ? 53% -45.1% 209.33 ?102% interrupts.CPU30.RES:Rescheduling_interrupts > 224.00 ? 84% -54.9% 101.00 ? 54% interrupts.CPU35.RES:Rescheduling_interrupts > 39260 ? 29% -33.2% 26214 ? 25% interrupts.CPU36.TLB:TLB_shootdowns > 20901 ? 11% +13.9% 23801 ? 4% interrupts.CPU4.CAL:Function_call_interrupts > 29418 ? 11% -13.1% 25571 ? 6% interrupts.CPU40.TLB:TLB_shootdowns > 22467 ? 6% -21.6% 17610 ? 10% interrupts.CPU43.CAL:Function_call_interrupts > 20028 ? 9% +20.9% 24219 ? 7% interrupts.CPU47.CAL:Function_call_interrupts > 28186 ? 10% +33.3% 37576 ? 21% interrupts.CPU47.TLB:TLB_shootdowns > 20503 ? 4% +15.4% 23664 ? 3% interrupts.CPU49.CAL:Function_call_interrupts > 29724 ? 6% +44.8% 43046 ? 34% interrupts.CPU52.TLB:TLB_shootdowns > 20812 ? 6% +23.5% 25710 ? 2% interrupts.CPU53.CAL:Function_call_interrupts > 28228 ? 7% +25.4% 35402 ? 3% interrupts.CPU53.TLB:TLB_shootdowns > 30617 ? 5% +13.0% 34602 ? 5% interrupts.CPU56.TLB:TLB_shootdowns > 28393 ? 9% +14.2% 32419 ? 4% interrupts.CPU59.TLB:TLB_shootdowns > 26886 ? 14% +33.6% 35911 ? 17% interrupts.CPU6.TLB:TLB_shootdowns > 3607 ? 30% -71.4% 1031 ? 40% interrupts.CPU60.NMI:Non-maskable_interrupts > 3607 ? 30% -71.4% 1031 ? 40% interrupts.CPU60.PMI:Performance_monitoring_interrupts > 20497 ? 7% +17.8% 24149 ? 6% interrupts.CPU61.CAL:Function_call_interrupts > 28713 ? 11% +29.1% 37066 ? 14% interrupts.CPU61.TLB:TLB_shootdowns > 20400 ? 2% +17.9% 24051 ? 3% interrupts.CPU63.CAL:Function_call_interrupts > 28404 ? 2% +36.6% 38793 ? 21% interrupts.CPU63.TLB:TLB_shootdowns > 332.50 ? 74% -84.0% 53.33 ? 39% interrupts.CPU88.RES:Rescheduling_interrupts > 55727 ? 23% -47.1% 29476 ? 9% interrupts.CPU91.TLB:TLB_shootdowns > 41957 ? 29% -42.7% 24035 ? 6% interrupts.CPU92.TLB:TLB_shootdowns > 516.25 ? 57% -83.0% 88.00 ? 65% interrupts.CPU93.RES:Rescheduling_interrupts > 21481 ? 6% -17.5% 17720 ? 9% interrupts.CPU95.CAL:Function_call_interrupts > 43882 ? 33% -45.1% 24079 ? 10% interrupts.CPU95.TLB:TLB_shootdowns > 34.47 ? 18% -7.4 27.02 ? 3% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry > 36.75 ? 16% -7.2 29.55 ? 3% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary > 36.91 ? 15% -7.1 29.79 ? 2% perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 37.86 ? 14% -6.7 31.20 ? 2% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 37.86 ? 14% -6.6 31.21 ? 2% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64 > 37.86 ? 14% -6.6 31.21 ? 2% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64 > 38.16 ? 15% -6.5 31.62 ? 2% perf-profile.calltrace.cycles-pp.secondary_startup_64 > 0.61 ? 9% +0.1 0.69 ? 4% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.zap_page_range.do_madvise.__x64_sys_madvise.do_syscall_64 > 0.84 ? 5% +0.1 0.93 ? 4% perf-profile.calltrace.cycles-pp.clear_page_erms.prep_new_page.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma > 0.93 ? 4% +0.1 1.03 ? 4% perf-profile.calltrace.cycles-pp.mem_cgroup_try_charge.mem_cgroup_try_charge_delay.handle_pte_fault.__handle_mm_fault.handle_mm_fault > 1.13 ? 5% +0.1 1.26 ? 3% perf-profile.calltrace.cycles-pp.mem_cgroup_try_charge_delay.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_page_fault > 1.17 ? 6% +0.1 1.30 ? 3% perf-profile.calltrace.cycles-pp.prep_new_page.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault > 1.55 ? 2% +0.1 1.70 ? 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_page_fault > 0.92 ? 13% +0.2 1.09 ? 5% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter > 1.63 ? 6% +0.2 1.83 ? 3% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault.__handle_mm_fault > 1.75 ? 6% +0.2 1.96 ? 2% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault.__handle_mm_fault.handle_mm_fault > 1.86 ? 6% +0.2 2.08 ? 2% perf-profile.calltrace.cycles-pp.alloc_pages_vma.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_page_fault > 2.01 ? 9% +0.3 2.28 ? 2% perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry > 0.28 ?100% +0.3 0.58 ? 2% perf-profile.calltrace.cycles-pp.do_brk_flags.__x64_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk > 0.28 ?100% +0.3 0.59 ? 5% perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.tlb_flush_mmu.tlb_finish_mmu.zap_page_range.do_madvise > 0.81 ? 8% +0.4 1.17 ? 16% perf-profile.calltrace.cycles-pp.release_pages.__pagevec_release.shmem_undo_range.shmem_truncate_range.shmem_evict_inode > 0.82 ? 8% +0.4 1.17 ? 17% perf-profile.calltrace.cycles-pp.__pagevec_release.shmem_undo_range.shmem_truncate_range.shmem_evict_inode.evict > 2.18 ? 4% +0.4 2.57 perf-profile.calltrace.cycles-pp.release_pages.tlb_flush_mmu.unmap_page_range.unmap_vmas.exit_mmap > 2.22 ? 4% +0.4 2.62 perf-profile.calltrace.cycles-pp.tlb_flush_mmu.unmap_page_range.unmap_vmas.exit_mmap.mmput > 2.35 ? 8% +0.4 2.77 ? 6% perf-profile.calltrace.cycles-pp.get_signal.do_signal.exit_to_usermode_loop.prepare_exit_to_usermode.swapgs_restore_regs_and_return_to_usermode > 2.34 ? 8% +0.4 2.76 ? 6% perf-profile.calltrace.cycles-pp.do_group_exit.get_signal.do_signal.exit_to_usermode_loop.prepare_exit_to_usermode > 2.36 ? 8% +0.4 2.78 ? 7% perf-profile.calltrace.cycles-pp.do_signal.exit_to_usermode_loop.prepare_exit_to_usermode.swapgs_restore_regs_and_return_to_usermode > 2.36 ? 8% +0.4 2.78 ? 6% perf-profile.calltrace.cycles-pp.exit_to_usermode_loop.prepare_exit_to_usermode.swapgs_restore_regs_and_return_to_usermode > 2.40 ? 8% +0.4 2.83 ? 6% perf-profile.calltrace.cycles-pp.swapgs_restore_regs_and_return_to_usermode > 2.37 ? 8% +0.4 2.80 ? 6% perf-profile.calltrace.cycles-pp.prepare_exit_to_usermode.swapgs_restore_regs_and_return_to_usermode > 2.76 ? 7% +0.5 3.27 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.mmput.do_exit > 2.77 ? 7% +0.5 3.28 perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.mmput.do_exit.do_group_exit > 5.51 ? 3% +0.6 6.14 ? 2% perf-profile.calltrace.cycles-pp.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_page_fault.page_fault > 0.35 ?100% +0.7 1.01 ? 8% perf-profile.calltrace.cycles-pp.menu_select.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64 > 6.29 ? 11% +1.0 7.33 ? 2% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_read_slowpath.__x64_sys_msync.do_syscall_64 > 7.17 ? 11% +1.2 8.34 ? 2% perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_read_slowpath.__x64_sys_msync.do_syscall_64.entry_SYSCALL_64_after_hwframe > 7.57 ? 11% +1.2 8.81 ? 2% perf-profile.calltrace.cycles-pp.rwsem_down_read_slowpath.__x64_sys_msync.do_syscall_64.entry_SYSCALL_64_after_hwframe > 9.61 ? 11% +1.3 10.93 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write_killable.do_madvise > 9.17 ? 11% +1.4 10.56 ? 3% perf-profile.calltrace.cycles-pp.__x64_sys_msync.do_syscall_64.entry_SYSCALL_64_after_hwframe > 11.68 ? 11% +1.6 13.29 ? 2% perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write_killable.do_madvise.__x64_sys_madvise > 12.11 ? 12% +1.6 13.76 ? 2% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write_killable.do_madvise.__x64_sys_madvise.do_syscall_64 > 34.59 ? 18% -7.4 27.14 ? 2% perf-profile.children.cycles-pp.intel_idle > 37.20 ? 16% -7.0 30.20 ? 2% perf-profile.children.cycles-pp.cpuidle_enter_state > 37.20 ? 16% -7.0 30.20 ? 2% perf-profile.children.cycles-pp.cpuidle_enter > 37.86 ? 14% -6.6 31.21 ? 2% perf-profile.children.cycles-pp.start_secondary > 38.16 ? 15% -6.5 31.62 ? 2% perf-profile.children.cycles-pp.secondary_startup_64 > 38.16 ? 15% -6.5 31.62 ? 2% perf-profile.children.cycles-pp.cpu_startup_entry > 38.17 ? 15% -6.5 31.63 ? 2% perf-profile.children.cycles-pp.do_idle > 0.23 ? 25% -0.1 0.17 ? 14% perf-profile.children.cycles-pp.irq_enter > 0.08 ? 5% +0.0 0.09 ? 5% perf-profile.children.cycles-pp.select_task_rq_fair > 0.07 ? 13% +0.0 0.08 ? 5% perf-profile.children.cycles-pp.security_file_alloc > 0.06 ? 11% +0.0 0.08 ? 10% perf-profile.children.cycles-pp.__pthread_enable_asynccancel > 0.18 ? 2% +0.0 0.21 ? 2% perf-profile.children.cycles-pp.__perf_sw_event > 0.04 ? 57% +0.0 0.06 ? 7% perf-profile.children.cycles-pp.apparmor_file_alloc_security > 0.19 ? 7% +0.0 0.22 ? 3% perf-profile.children.cycles-pp.page_remove_rmap > 0.08 ? 13% +0.0 0.11 ? 12% perf-profile.children.cycles-pp.uncharge_batch > 0.15 ? 14% +0.0 0.18 ? 2% perf-profile.children.cycles-pp.__alloc_file > 0.15 ? 10% +0.0 0.18 ? 2% perf-profile.children.cycles-pp.alloc_empty_file > 0.20 ? 10% +0.0 0.24 ? 5% perf-profile.children.cycles-pp.___slab_alloc > 0.14 ? 11% +0.0 0.18 ? 9% perf-profile.children.cycles-pp.alloc_set_pte > 0.15 ? 14% +0.0 0.18 ? 2% perf-profile.children.cycles-pp.alloc_file > 0.39 ? 6% +0.0 0.44 ? 2% perf-profile.children.cycles-pp.___might_sleep > 0.01 ?173% +0.0 0.06 ? 13% perf-profile.children.cycles-pp.free_pcp_prepare > 0.28 ? 10% +0.0 0.33 perf-profile.children.cycles-pp.syscall_return_via_sysret > 0.10 ? 23% +0.1 0.15 ? 14% perf-profile.children.cycles-pp.irq_work_run_list > 0.00 +0.1 0.05 perf-profile.children.cycles-pp.call_rcu > 0.52 ? 6% +0.1 0.58 ? 2% perf-profile.children.cycles-pp.do_brk_flags > 0.21 ? 14% +0.1 0.27 perf-profile.children.cycles-pp.alloc_file_pseudo > 0.39 ? 9% +0.1 0.45 ? 2% perf-profile.children.cycles-pp.up_write > 0.46 ? 4% +0.1 0.52 ? 8% perf-profile.children.cycles-pp.sync_regs > 0.36 ? 10% +0.1 0.43 ? 4% perf-profile.children.cycles-pp.on_each_cpu_cond_mask > 0.16 ? 33% +0.1 0.24 ? 5% perf-profile.children.cycles-pp.tick_nohz_irq_exit > 0.23 ? 19% +0.1 0.32 ? 6% perf-profile.children.cycles-pp.filemap_map_pages > 0.42 ? 15% +0.1 0.52 ? 4% perf-profile.children.cycles-pp.osq_unlock > 0.61 ? 12% +0.1 0.72 ? 4% perf-profile.children.cycles-pp.smp_call_function_many_cond > 1.28 ? 5% +0.1 1.39 ? 3% perf-profile.children.cycles-pp.mem_cgroup_try_charge_delay > 1.31 ? 5% +0.1 1.43 ? 3% perf-profile.children.cycles-pp.prep_new_page > 0.86 ? 13% +0.1 1.01 perf-profile.children.cycles-pp.mmap_region > 2.23 ? 6% +0.2 2.43 ? 3% perf-profile.children.cycles-pp.get_page_from_freelist > 2.44 ? 6% +0.2 2.67 ? 3% perf-profile.children.cycles-pp.__alloc_pages_nodemask > 2.48 ? 7% +0.2 2.73 ? 3% perf-profile.children.cycles-pp.alloc_pages_vma > 2.40 ? 8% +0.4 2.83 ? 6% perf-profile.children.cycles-pp.swapgs_restore_regs_and_return_to_usermode > 2.38 ? 8% +0.4 2.80 ? 6% perf-profile.children.cycles-pp.prepare_exit_to_usermode > 3.12 ? 2% +0.4 3.55 perf-profile.children.cycles-pp.unmap_page_range > 3.07 ? 2% +0.4 3.50 perf-profile.children.cycles-pp.unmap_vmas > 0.57 ? 25% +0.5 1.02 ? 8% perf-profile.children.cycles-pp.menu_select > 4.06 ? 4% +0.5 4.58 perf-profile.children.cycles-pp.tlb_flush_mmu > 4.83 ? 4% +0.5 5.36 perf-profile.children.cycles-pp.release_pages > 6.64 ? 5% +0.8 7.41 ? 2% perf-profile.children.cycles-pp.handle_pte_fault > 9.18 ? 11% +1.4 10.57 ? 3% perf-profile.children.cycles-pp.__x64_sys_msync > 9.69 ? 11% +1.5 11.19 perf-profile.children.cycles-pp.rwsem_down_read_slowpath > 12.15 ? 12% +1.7 13.87 ? 2% perf-profile.children.cycles-pp.rwsem_down_write_slowpath > 17.80 ? 11% +2.6 20.44 ? 2% perf-profile.children.cycles-pp.osq_lock > 20.98 ? 11% +3.1 24.05 ? 2% perf-profile.children.cycles-pp.rwsem_optimistic_spin > 34.59 ? 18% -7.4 27.14 ? 2% perf-profile.self.cycles-pp.intel_idle > 0.05 ? 8% +0.0 0.07 ? 7% perf-profile.self.cycles-pp.do_brk_flags > 0.07 ? 11% +0.0 0.09 perf-profile.self.cycles-pp.anon_vma_interval_tree_remove > 0.06 ? 11% +0.0 0.08 ? 10% perf-profile.self.cycles-pp.__pthread_enable_asynccancel > 0.15 ? 7% +0.0 0.18 ? 2% perf-profile.self.cycles-pp.page_remove_rmap > 0.17 ? 6% +0.0 0.19 ? 4% perf-profile.self.cycles-pp.find_get_entries > 0.17 ? 6% +0.0 0.19 ? 4% perf-profile.self.cycles-pp.handle_mm_fault > 0.23 ? 6% +0.0 0.26 ? 4% perf-profile.self.cycles-pp._raw_spin_lock_irq > 0.37 ? 6% +0.0 0.42 ? 2% perf-profile.self.cycles-pp.___might_sleep > 0.21 ? 8% +0.0 0.26 ? 4% perf-profile.self.cycles-pp.do_madvise > 0.28 ? 10% +0.0 0.33 perf-profile.self.cycles-pp.syscall_return_via_sysret > 0.39 ? 8% +0.1 0.44 ? 2% perf-profile.self.cycles-pp.up_write > 0.13 ? 22% +0.1 0.19 ? 6% perf-profile.self.cycles-pp.filemap_map_pages > 0.45 ? 3% +0.1 0.52 ? 8% perf-profile.self.cycles-pp.sync_regs > 0.67 ? 6% +0.1 0.75 perf-profile.self.cycles-pp.get_page_from_freelist > 0.42 ? 16% +0.1 0.51 ? 3% perf-profile.self.cycles-pp.osq_unlock > 0.20 ? 18% +0.2 0.40 ? 7% perf-profile.self.cycles-pp.cpuidle_enter_state > 1.94 ? 5% +0.2 2.15 perf-profile.self.cycles-pp._raw_spin_lock > 0.20 ? 39% +0.4 0.56 ? 5% perf-profile.self.cycles-pp.menu_select > 17.31 ? 11% +2.6 19.86 ? 2% perf-profile.self.cycles-pp.osq_lock > > > > *************************************************************************************************** > lkp-hsw-d01: 8 threads Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G memory > > > > > 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 > > > _______________________________________________ > LKP mailing list -- lkp@lists.01.org > To unsubscribe send an email to lkp-leave@lists.01.org > -- Zhengjun Xing