From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753857AbbILFAX (ORCPT ); Sat, 12 Sep 2015 01:00:23 -0400 Received: from mga03.intel.com ([134.134.136.65]:50921 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750745AbbILFAV (ORCPT ); Sat, 12 Sep 2015 01:00:21 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,516,1437462000"; d="yaml'?scan'208";a="787855000" From: kernel test robot Subject: [lkp] [fs/notify] 7c49b86164: 19.5% will-it-scale.per_process_ops CC: lkp@01.org CC: LKML CC: Linus Torvalds TO: Dave Hansen Date: Sat, 12 Sep 2015 13:00:18 +0800 Message-ID: <87d1xojkpp.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 7c49b8616460ebb12ee56d80d1abfbc20b6f3cbb ("fs/notify: optimize inoti= fy/fsnotify code for unwatched files") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: brickland1/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9= /performance/eventfd1 commit:=20 031e29b5877f31676739dc2f847d04c2c0732034 7c49b8616460ebb12ee56d80d1abfbc20b6f3cbb 031e29b5877f3167 7c49b8616460ebb12ee56d80d1=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 1198501 =B1 0% +19.5% 1432797 =B1 0% will-it-scale.per_process= _ops 993833 =B1 0% +15.6% 1149039 =B1 0% will-it-scale.per_thread_= ops 0.30 =B1 0% -6.0% 0.29 =B1 1% will-it-scale.scalability 6563 =B1 0% -3.0% 6365 =B1 0% will-it-scale.time.system= _time 1370 =B1 0% +14.5% 1569 =B1 0% will-it-scale.time.user_t= ime 224936 =B1 2% -23.5% 172104 =B1 4% cpuidle.C1-IVT-4S.usage 1036 =B1 15% +27.4% 1319 =B1 10% numa-meminfo.node3.PageTa= bles 259.25 =B1 15% +27.4% 330.25 =B1 10% numa-vmstat.node3.nr_page= _table_pages 1370 =B1 0% +14.5% 1569 =B1 0% time.user_time 4081 =B1 1% -10.6% 3648 =B1 2% vmstat.system.cs 430497 =B1 2% -14.6% 367840 =B1 3% latency_stats.hits.pipe_w= ait.pipe_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 6803 =B1 34% +174.1% 18648 =B1 61% latency_stats.sum.pipe_wa= it.pipe_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 759.27 =B1 0% +15.2% 874.88 =B1 0% turbostat.CorWatt 773.06 =B1 0% +15.0% 888.69 =B1 0% turbostat.PkgWatt 0.84 =B1 1% +47.0% 1.24 =B1 2% perf-profile.cpu-cycles._= __might_sleep.__might_sleep.__might_fault.eventfd_read.__vfs_read 1.64 =B1 2% +29.4% 2.11 =B1 5% perf-profile.cpu-cycles._= _fget_light.sys_read.entry_SYSCALL_64_fastpath 1.65 =B1 4% +30.2% 2.15 =B1 7% perf-profile.cpu-cycles._= _fget_light.sys_write.entry_SYSCALL_64_fastpath 1.76 =B1 1% +37.6% 2.42 =B1 0% perf-profile.cpu-cycles._= _might_fault.eventfd_read.__vfs_read.vfs_read.sys_read 1.60 =B1 3% +24.0% 1.99 =B1 3% perf-profile.cpu-cycles._= _might_fault.eventfd_write.__vfs_write.vfs_write.sys_write 1.43 =B1 1% +49.7% 2.14 =B1 0% perf-profile.cpu-cycles._= _might_sleep.__might_fault.eventfd_read.__vfs_read.vfs_read 1.06 =B1 2% +24.5% 1.32 =B1 4% perf-profile.cpu-cycles._= _might_sleep.__might_fault.eventfd_write.__vfs_write.vfs_write 0.86 =B1 4% +40.0% 1.21 =B1 1% perf-profile.cpu-cycles._= _put_user_8.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 6.93 =B1 1% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles._= _srcu_read_lock.fsnotify.vfs_write.sys_write.entry_SYSCALL_64_fastpath 5.96 =B1 1% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles._= _srcu_read_unlock.fsnotify.vfs_write.sys_write.entry_SYSCALL_64_fastpath 12.14 =B1 1% +21.3% 14.72 =B1 0% perf-profile.cpu-cycles._= _vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 12.68 =B1 0% +32.9% 16.85 =B1 1% perf-profile.cpu-cycles._= _vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath 3.01 =B1 2% +19.7% 3.60 =B1 1% perf-profile.cpu-cycles._= raw_spin_lock_irq.eventfd_ctx_read.eventfd_read.__vfs_read.vfs_read 2.65 =B1 0% +55.2% 4.11 =B1 2% perf-profile.cpu-cycles._= raw_spin_lock_irq.eventfd_write.__vfs_write.vfs_write.sys_write 5.19 =B1 22% +240.5% 17.66 =B1 10% perf-profile.cpu-cycles.a= pic_timer_interrupt 1.73 =B1 1% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles.a= pic_timer_interrupt.fsnotify.vfs_write.sys_write.entry_SYSCALL_64_fastpath 2.59 =B1 1% +32.3% 3.43 =B1 2% perf-profile.cpu-cycles.c= opy_user_enhanced_fast_string.__vfs_write.vfs_write.sys_write.entry_SYSCALL= _64_fastpath 6.75 =B1 1% +21.3% 8.19 =B1 3% perf-profile.cpu-cycles.e= ntry_SYSCALL_64 7.04 =B1 1% +20.9% 8.52 =B1 2% perf-profile.cpu-cycles.e= ntry_SYSCALL_64_after_swapgs 5.32 =B1 2% +20.0% 6.38 =B1 1% perf-profile.cpu-cycles.e= ventfd_ctx_read.eventfd_read.__vfs_read.vfs_read.sys_read 9.34 =B1 0% +21.4% 11.34 =B1 0% perf-profile.cpu-cycles.e= ventfd_read.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 6.92 =B1 1% +31.5% 9.10 =B1 2% perf-profile.cpu-cycles.e= ventfd_write.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath 0.99 =B1 2% +50.9% 1.49 =B1 4% perf-profile.cpu-cycles.f= ile_has_perm.selinux_file_permission.security_file_permission.rw_verify_are= a.vfs_read 0.99 =B1 2% +17.9% 1.17 =B1 3% perf-profile.cpu-cycles.f= ile_has_perm.selinux_file_permission.security_file_permission.rw_verify_are= a.vfs_write 1.76 =B1 2% -37.5% 1.10 =B1 2% perf-profile.cpu-cycles.f= snotify.security_file_permission.rw_verify_area.vfs_read.sys_read 1.29 =B1 2% -31.4% 0.89 =B1 2% perf-profile.cpu-cycles.f= snotify.vfs_read.sys_read.entry_SYSCALL_64_fastpath 17.38 =B1 0% -94.7% 0.91 =B1 3% perf-profile.cpu-cycles.f= snotify.vfs_write.sys_write.entry_SYSCALL_64_fastpath 5.53 =B1 25% +213.2% 17.30 =B1 11% perf-profile.cpu-cycles.h= rtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_t= imer_interrupt 1.64 =B1 4% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles.h= rtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_t= imer_interrupt.fsnotify 5.54 =B1 23% +212.5% 17.31 =B1 11% perf-profile.cpu-cycles.l= ocal_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt 1.64 =B1 4% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles.l= ocal_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.fsn= otify.vfs_write 9.47 =B1 0% +11.8% 10.59 =B1 0% perf-profile.cpu-cycles.r= w_verify_area.vfs_read.sys_read.entry_SYSCALL_64_fastpath 5.11 =B1 0% +20.9% 6.18 =B1 1% perf-profile.cpu-cycles.r= w_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 3.94 =B1 1% +18.5% 4.67 =B1 0% perf-profile.cpu-cycles.s= ecurity_file_permission.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64= _fastpath 2.66 =B1 1% +36.7% 3.63 =B1 1% perf-profile.cpu-cycles.s= elinux_file_permission.security_file_permission.rw_verify_area.vfs_read.sys= _read 2.69 =B1 1% +20.2% 3.23 =B1 1% perf-profile.cpu-cycles.s= elinux_file_permission.security_file_permission.rw_verify_area.vfs_write.sy= s_write 5.43 =B1 26% +219.9% 17.37 =B1 11% perf-profile.cpu-cycles.s= mp_apic_timer_interrupt.apic_timer_interrupt 1.66 =B1 5% -100.0% 0.00 =B1 -1% perf-profile.cpu-cycles.s= mp_apic_timer_interrupt.apic_timer_interrupt.fsnotify.vfs_write.sys_write 31.47 =B1 0% +17.1% 36.85 =B1 0% perf-profile.cpu-cycles.s= ys_read.entry_SYSCALL_64_fastpath 45.56 =B1 0% -22.9% 35.15 =B1 0% perf-profile.cpu-cycles.s= ys_write.entry_SYSCALL_64_fastpath 26.70 =B1 0% +15.1% 30.72 =B1 0% perf-profile.cpu-cycles.v= fs_read.sys_read.entry_SYSCALL_64_fastpath 40.55 =B1 0% -29.7% 28.49 =B1 1% perf-profile.cpu-cycles.v= fs_write.sys_write.entry_SYSCALL_64_fastpath 80422 =B1 6% -12.1% 70685 =B1 10% sched_debug.cfs_rq[0]:/.e= xec_clock 929.25 =B1 1% +30.2% 1210 =B1 14% sched_debug.cfs_rq[0]:/.t= g_load_avg 919.25 =B1 1% +29.1% 1187 =B1 13% sched_debug.cfs_rq[10]:/.= tg_load_avg 24202 =B1 11% +17.9% 28527 =B1 5% sched_debug.cfs_rq[118]:/= .exec_clock 916.50 =B1 1% +29.2% 1183 =B1 13% sched_debug.cfs_rq[11]:/.= tg_load_avg 916.75 =B1 1% +29.0% 1183 =B1 13% sched_debug.cfs_rq[12]:/.= tg_load_avg 917.25 =B1 1% +28.7% 1180 =B1 14% sched_debug.cfs_rq[13]:/.= tg_load_avg 917.25 =B1 0% +28.7% 1180 =B1 14% sched_debug.cfs_rq[14]:/.= tg_load_avg 915.25 =B1 1% +29.0% 1180 =B1 14% sched_debug.cfs_rq[15]:/.= tg_load_avg 916.00 =B1 1% +28.9% 1181 =B1 14% sched_debug.cfs_rq[16]:/.= tg_load_avg 915.00 =B1 1% +29.1% 1181 =B1 14% sched_debug.cfs_rq[17]:/.= tg_load_avg 914.75 =B1 1% +29.0% 1180 =B1 14% sched_debug.cfs_rq[18]:/.= tg_load_avg 914.25 =B1 1% +29.1% 1180 =B1 14% sched_debug.cfs_rq[19]:/.= tg_load_avg 929.25 =B1 1% +30.3% 1210 =B1 14% sched_debug.cfs_rq[1]:/.t= g_load_avg 914.00 =B1 1% +29.1% 1180 =B1 13% sched_debug.cfs_rq[20]:/.= tg_load_avg 915.25 =B1 1% +29.0% 1180 =B1 13% sched_debug.cfs_rq[21]:/.= tg_load_avg 916.25 =B1 1% +28.8% 1180 =B1 13% sched_debug.cfs_rq[22]:/.= tg_load_avg 914.00 =B1 1% +29.0% 1179 =B1 14% sched_debug.cfs_rq[23]:/.= tg_load_avg 912.75 =B1 1% +29.1% 1178 =B1 13% sched_debug.cfs_rq[24]:/.= tg_load_avg 996.75 =B1 14% +16.2% 1158 =B1 12% sched_debug.cfs_rq[25]:/.= tg_load_avg 928.75 =B1 1% +30.3% 1210 =B1 14% sched_debug.cfs_rq[2]:/.t= g_load_avg 26957 =B1 8% +16.0% 31280 =B1 10% sched_debug.cfs_rq[33]:/.= exec_clock 1.75 =B1 47% +314.3% 7.25 =B1 85% sched_debug.cfs_rq[39]:/.= load_avg 1.75 =B1 47% +314.3% 7.25 =B1 85% sched_debug.cfs_rq[39]:/.= tg_load_avg_contrib 925.00 =B1 1% +30.8% 1210 =B1 14% sched_debug.cfs_rq[3]:/.t= g_load_avg 5.00 =B1 86% -100.0% 0.00 =B1 -1% sched_debug.cfs_rq[46]:/.= nr_spread_over 924.50 =B1 1% +30.4% 1206 =B1 14% sched_debug.cfs_rq[4]:/.t= g_load_avg 170.75 =B1 1% +36.2% 232.50 =B1 28% sched_debug.cfs_rq[59]:/.= util_avg 921.75 =B1 1% +28.9% 1188 =B1 13% sched_debug.cfs_rq[5]:/.t= g_load_avg 88047 =B1 6% +11.4% 98122 =B1 7% sched_debug.cfs_rq[60]:/.= exec_clock 768.25 =B1 12% -9.2% 697.50 =B1 6% sched_debug.cfs_rq[63]:/.= util_avg 758.25 =B1 10% -11.2% 673.50 =B1 0% sched_debug.cfs_rq[66]:/.= util_avg 922.00 =B1 1% +28.9% 1188 =B1 13% sched_debug.cfs_rq[6]:/.t= g_load_avg 922.25 =B1 1% +28.9% 1188 =B1 13% sched_debug.cfs_rq[7]:/.t= g_load_avg 922.00 =B1 1% +28.9% 1188 =B1 13% sched_debug.cfs_rq[8]:/.t= g_load_avg 921.25 =B1 1% +29.0% 1188 =B1 13% sched_debug.cfs_rq[9]:/.t= g_load_avg 87563 =B1 5% -11.3% 77697 =B1 9% sched_debug.cpu#0.nr_load= _updates 12103 =B1 13% -17.6% 9976 =B1 7% sched_debug.cpu#1.sched_c= ount 5785 =B1 14% -20.7% 4586 =B1 7% sched_debug.cpu#1.ttwu_co= unt 894319 =B1 1% +6.3% 951023 =B1 5% sched_debug.cpu#10.avg_id= le 571.00 =B1 35% +143.3% 1389 =B1 74% sched_debug.cpu#10.ttwu_c= ount 821.25 =B1 6% +157.4% 2114 =B1 46% sched_debug.cpu#100.nr_sw= itches -0.25 =B1-435% -1700.0% 4.00 =B1 46% sched_debug.cpu#100.nr_u= ninterruptible 824.50 =B1 6% +156.6% 2115 =B1 46% sched_debug.cpu#100.sched= _count 346.75 =B1 6% +158.5% 896.50 =B1 48% sched_debug.cpu#100.sched= _goidle 380.50 =B1 15% +174.2% 1043 =B1 56% sched_debug.cpu#100.ttwu_= count 216.25 =B1 4% +237.8% 730.50 =B1 59% sched_debug.cpu#100.ttwu_= local 1262 =B1 46% +109.0% 2637 =B1 69% sched_debug.cpu#103.sched= _count -1.50 =B1-152% -250.0% 2.25 =B1 36% sched_debug.cpu#104.nr_u= ninterruptible 747.25 =B1 34% +494.1% 4439 =B1 53% sched_debug.cpu#106.ttwu_= count 1948 =B1 33% +204.4% 5931 =B1 70% sched_debug.cpu#109.nr_sw= itches 1951 =B1 33% +204.1% 5934 =B1 70% sched_debug.cpu#109.sched= _count 1845 =B1 19% -29.8% 1295 =B1 20% sched_debug.cpu#11.nr_swi= tches 1861 =B1 19% -23.7% 1420 =B1 16% sched_debug.cpu#11.sched_= count 796.50 =B1 23% -34.3% 523.50 =B1 19% sched_debug.cpu#11.sched_= goidle 539.50 =B1 32% -50.5% 267.25 =B1 38% sched_debug.cpu#11.ttwu_l= ocal 1714 =B1 97% -81.1% 323.75 =B1 43% sched_debug.cpu#110.ttwu_= local 534.25 =B1 7% +136.5% 1263 =B1 56% sched_debug.cpu#111.ttwu_= count 1181 =B1 62% -61.6% 453.50 =B1 16% sched_debug.cpu#12.ttwu_c= ount 744.75 =B1 86% -70.9% 216.75 =B1 28% sched_debug.cpu#12.ttwu_l= ocal 2.50 =B1 60% -260.0% -4.00 =B1-88% sched_debug.cpu#14.nr_uni= nterruptible 17797 =B1 83% -89.6% 1849 =B1 7% sched_debug.cpu#15.nr_swi= tches 8746 =B1 84% -91.0% 788.00 =B1 8% sched_debug.cpu#15.sched_= goidle 1349 =B1116% -77.4% 305.00 =B1 45% sched_debug.cpu#19.ttwu_l= ocal 1473 =B1 39% +61.5% 2379 =B1 10% sched_debug.cpu#2.ttwu_co= unt 2393 =B1 42% -34.6% 1565 =B1 11% sched_debug.cpu#27.nr_swi= tches 2457 =B1 39% -34.8% 1603 =B1 10% sched_debug.cpu#27.sched_= count 1011 =B1 49% -42.3% 583.50 =B1 23% sched_debug.cpu#27.ttwu_c= ount 552.75 =B1 80% -62.6% 207.00 =B1 13% sched_debug.cpu#27.ttwu_l= ocal 276.75 =B1 33% +81.9% 503.50 =B1 53% sched_debug.cpu#29.ttwu_l= ocal 2439 =B1 26% +40.0% 3416 =B1 21% sched_debug.cpu#3.nr_swit= ches 981.50 =B1 5% +50.5% 1476 =B1 18% sched_debug.cpu#3.ttwu_co= unt 535.50 =B1 22% +56.7% 839.00 =B1 24% sched_debug.cpu#3.ttwu_lo= cal 1107 =B1 81% +125.6% 2498 =B1 58% sched_debug.cpu#30.ttwu_l= ocal 4480 =B1 73% -66.8% 1487 =B1 15% sched_debug.cpu#35.ttwu_c= ount -0.25 =B1-714% +1500.0% -4.00 =B1-46% sched_debug.cpu#36.nr_un= interruptible 8152 =B1 59% -54.6% 3699 =B1 15% sched_debug.cpu#37.sched_= count 1235 =B1 55% -50.9% 606.50 =B1 10% sched_debug.cpu#37.ttwu_l= ocal 3522 =B1 15% +219.3% 11245 =B1 52% sched_debug.cpu#39.nr_swi= tches 3573 =B1 13% +215.2% 11261 =B1 52% sched_debug.cpu#39.sched_= count 1416 =B1 11% +286.4% 5471 =B1 53% sched_debug.cpu#39.sched_= goidle 0.25 =B1519% -2600.0% -6.25 =B1-34% sched_debug.cpu#5.nr_unin= terruptible 2469 =B1 99% -77.9% 544.75 =B1 29% sched_debug.cpu#50.ttwu_l= ocal 3.25 =B1 82% -76.9% 0.75 =B1197% sched_debug.cpu#55.nr_uni= nterruptible 1323 =B1 36% -43.1% 752.75 =B1 36% sched_debug.cpu#55.ttwu_l= ocal 1770 =B1 16% +168.3% 4748 =B1 27% sched_debug.cpu#59.sched_= goidle 2345 =B1 18% -27.8% 1693 =B1 17% sched_debug.cpu#6.nr_swit= ches 2401 =B1 16% -26.2% 1771 =B1 14% sched_debug.cpu#6.sched_c= ount 102141 =B1 3% +10.4% 112728 =B1 6% sched_debug.cpu#60.nr_loa= d_updates 821.75 =B1 48% +139.5% 1968 =B1 20% sched_debug.cpu#62.nr_swi= tches 830.00 =B1 48% +189.0% 2399 =B1 37% sched_debug.cpu#62.sched_= count 296.75 =B1 50% +160.1% 771.75 =B1 18% sched_debug.cpu#62.sched_= goidle 499.00 =B1 18% +128.5% 1140 =B1 50% sched_debug.cpu#65.nr_swi= tches 504.75 =B1 17% +126.9% 1145 =B1 50% sched_debug.cpu#65.sched_= count 172.75 =B1 9% +194.8% 509.25 =B1 53% sched_debug.cpu#65.sched_= goidle 220.50 =B1 30% +125.4% 497.00 =B1 55% sched_debug.cpu#65.ttwu_c= ount 100.00 =B1 17% +184.0% 284.00 =B1 62% sched_debug.cpu#65.ttwu_l= ocal 1.75 =B1109% -142.9% -0.75 =B1-110% sched_debug.cpu#67.nr_un= interruptible 100.75 =B1 10% +36.7% 137.75 =B1 23% sched_debug.cpu#68.ttwu_l= ocal 629.00 =B1 49% +86.0% 1170 =B1 43% sched_debug.cpu#7.ttwu_co= unt 478.25 =B1 11% +39.7% 668.00 =B1 11% sched_debug.cpu#71.nr_swi= tches 484.75 =B1 11% +38.9% 673.25 =B1 11% sched_debug.cpu#71.sched_= count 185.25 =B1 11% +41.8% 262.75 =B1 15% sched_debug.cpu#71.sched_= goidle 188.00 =B1 14% +33.0% 250.00 =B1 13% sched_debug.cpu#71.ttwu_c= ount 437.25 =B1 13% +586.4% 3001 =B1 50% sched_debug.cpu#76.ttwu_c= ount 198.50 =B1 4% -7.8% 183.00 =B1 3% sched_debug.cpu#79.ttwu_l= ocal 1252 =B1 41% +119.3% 2746 =B1 35% sched_debug.cpu#8.nr_swit= ches 1350 =B1 37% +109.6% 2830 =B1 36% sched_debug.cpu#8.sched_c= ount 510.50 =B1 51% +140.7% 1228 =B1 39% sched_debug.cpu#8.sched_g= oidle 199.75 =B1 51% +125.9% 451.25 =B1 53% sched_debug.cpu#8.ttwu_lo= cal 403.75 =B1 20% -24.4% 305.25 =B1 3% sched_debug.cpu#80.sched_= goidle 2.25 =B1 19% -77.8% 0.50 =B1173% sched_debug.cpu#84.nr_uni= nterruptible 483.00 =B1 91% -64.5% 171.25 =B1 5% sched_debug.cpu#87.ttwu_l= ocal 393.50 =B1 16% -21.3% 309.75 =B1 9% sched_debug.cpu#89.sched_= goidle -0.75 =B1-57% -266.7% 1.25 =B1118% sched_debug.cpu#94.nr_uni= nterruptible 0.75 =B1197% +533.3% 4.75 =B1 31% sched_debug.cpu#95.nr_uni= nterruptible 620.50 =B1 29% -32.3% 420.00 =B1 7% sched_debug.cpu#95.sched_= goidle 890.00 =B1 7% +179.1% 2483 =B1 77% sched_debug.cpu#98.nr_swi= tches 893.25 =B1 7% +178.3% 2486 =B1 77% sched_debug.cpu#98.sched_= count 373.25 =B1 9% +206.2% 1142 =B1 85% sched_debug.cpu#98.sched_= goidle 228.00 =B1 4% +70.1% 387.75 =B1 50% sched_debug.cpu#98.ttwu_l= ocal 371.25 =B1 8% +293.3% 1460 =B1103% sched_debug.cpu#99.sched_= goidle brickland1: Brickland Ivy Bridge-EX Memory: 128G turbostat.PkgWatt 1000 ++------------------------------------------------------------------= -+ 900 O+ O O O O O O O O O = | | O O O O O O O O O O O = | 800 ++ *..*...*..*..*..*..*..*..*...*..*..*..*..*..*..*..*...*..*..*.= .* 700 ++ : = | | : = | 600 ++ : = | 500 ++ : = | 400 ++ : = | | : = | 300 ++ : = | 200 ++ : = | | : = | 100 ++ : = | 0 *+-*----------------------------------------------------------------= -+ turbostat.CorWatt 900 O+----O---O--O--O--O-----O---O--O--O--O--O---O--O--O--O---------O----= -+ | O O O O = | 800 ++ *...*..*..*..*..*..*...*..*..*..*..*...*..*..*..*..*..*...*..*.= .* 700 ++ : = | | : = | 600 ++ : = | 500 ++ : = | | : = | 400 ++ : = | 300 ++ : = | | : = | 200 ++ : = | 100 ++ : = | | : = | 0 *+-*-----------------------------------------------------------------= -+ will-it-scale.per_process_ops 1.6e+06 ++---------------------------------------------------------------= -+ O O O O O O O O O O O O O = | 1.4e+06 ++ O O O O O O O O = | | .*.= .| 1.2e+06 ++ *..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*. = * 1e+06 ++ : = | | : = | 800000 ++ : = | | : = | 600000 ++ : = | 400000 ++ : = | | : = | 200000 ++ : = | | : = | 0 *+-*-------------------------------------------------------------= -+ will-it-scale.per_thread_ops 1.2e+06 O+-O--O--O-------------------------------------------------------= -+ | O O O O O O O O O O O O O O O O O = | 1e+06 ++ .*.. .*.. .*..*..*..*.= .* | *..*..*..*..*..*..*..*..*..*..*. *. *..*. = | | : = | 800000 ++ : = | | : = | 600000 ++ : = | | : = | 400000 ++ : = | | : = | | : = | 200000 ++ : = | | : = | 0 *+-*-------------------------------------------------------------= -+ will-it-scale.time.user_time 1600 O+-O--O--O---O--O--O--O--O--O--O---O--O--O-----O--O--O--O---O--O----= -+ | O = | 1400 ++ *..*...*..*..*..*..*..*..*...*..*..*..*..*..*.. .*...*..*..*.= .* 1200 ++ : *. = | | : = | 1000 ++ : = | | : = | 800 ++ : = | | : = | 600 ++ : = | 400 ++ : = | | : = | 200 ++ : = | | : = | 0 *+-*----------------------------------------------------------------= -+ will-it-scale.time.system_time 7000 ++------------------------------------------------------------------= -+ O O O..O...O..O..O..O..O..O..O...O..O..O..O..O..O..O..O...O..O..*.= .* 6000 ++ : = | | : = | 5000 ++ : = | | : = | 4000 ++ : = | | : = | 3000 ++ : = | | : = | 2000 ++ : = | | : = | 1000 ++ : = | | : = | 0 *+-*----------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Ying Huang --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=job.yaml --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: will-it-scale default-monitors: wait: activate-monitor kmsg: uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 9cfcc658da9693f65e7224e8329e40ada2f3c699 model: Brickland Ivy Bridge-EX nr_cpu: 120 memory: 128G hdd_partitions: "/dev/sda2" swap_partitions: category: benchmark perf-profile: freq: 800 will-it-scale: test: eventfd1 queue: cyclic testbox: brickland1 tbox_group: brickland1 kconfig: x86_64-rhel enqueue_time: 2015-09-08 01:18:00.059054113 +08:00 id: 528790733464fc3c796d26090b727f5ca8547bc1 user: lkp compiler: gcc-4.9 head_commit: 9cfcc658da9693f65e7224e8329e40ada2f3c699 base_commit: bf59e6623a3a92a2bf428f2d6592c81aae6317e1 branch: linus/master kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/9cfcc658da9693f65e7224e8329e40ada2f3c699/vmlinuz-4.2.0-09628-g9cfcc65" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/will-it-scale/performance-eventfd1/brickland1/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9cfcc658da9693f65e7224e8329e40ada2f3c699/0" job_file: "/lkp/scheduled/brickland1/cyclic_will-it-scale-performance-eventfd1-x86_64-rhel-CYCLIC_HEAD-9cfcc658da9693f65e7224e8329e40ada2f3c699-20150908-48773-1sczi58-0.yaml" dequeue_time: 2015-09-08 11:17:28.394403187 +08:00 max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/brickland1/cyclic_will-it-scale-performance-eventfd1-x86_64-rhel-CYCLIC_HEAD-9cfcc658da9693f65e7224e8329e40ada2f3c699-20150908-48773-1sczi58-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linus/master - commit=9cfcc658da9693f65e7224e8329e40ada2f3c699 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/9cfcc658da9693f65e7224e8329e40ada2f3c699/vmlinuz-4.2.0-09628-g9cfcc65 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-eventfd1/brickland1/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9cfcc658da9693f65e7224e8329e40ada2f3c699/0 - LKP_SERVER=inn - |- ipmi_si.tryacpi=0 ipmi_watchdog.start_now=1 earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/9cfcc658da9693f65e7224e8329e40ada2f3c699/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/lkp/benchmarks/will-it-scale.cgz" job_state: finished loadavg: 89.19 40.32 15.75 1/1105 12387 start_time: '1441682379' end_time: '1441682689' version: "/lkp/lkp/.src-20150908-101855" --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=reproduce echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu100/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu101/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu102/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu103/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu104/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu105/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu106/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu107/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu108/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu109/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu110/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu111/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu112/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu113/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu114/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu115/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu116/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu117/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu118/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu119/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu79/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu80/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu81/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu82/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu83/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu84/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu85/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu86/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu87/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu88/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu89/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu90/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu91/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu92/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu93/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu94/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu95/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu96/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu97/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu98/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu99/cpufreq/scaling_governor ./runtest.py eventfd1 16 both 1 15 30 45 60 90 120 --=-=-=--