From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6236780685103091088==" MIME-Version: 1.0 From: Huang Ying To: lkp@lists.01.org Subject: [vmstat] 7cc36bbddde: +2.6% will-it-scale.scalability -28.7% time.involuntary_context_switches Date: Fri, 19 Dec 2014 12:50:02 +0800 Message-ID: <1418964602.26403.23.camel@intel.com> List-Id: --===============6236780685103091088== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on commit 7cc36bbddde5cd0c98f0c06e3304ab833d662565 ("vmstat: on-demand vmstat = workers V8") testbox/testcase/testparams: lkp-sbx04/will-it-scale/performance-pread2 f0d6d1f6ff6f8525 7cc36bbddde5cd0c98f0c06e33 = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 0.00 =C2=B1 1% +2.6% 0.00 =C2=B1 1% will-it-scale.scala= bility 533566 =C2=B1 0% -1.2% 527362 =C2=B1 0% will-it-scale.per_p= rocess_ops 486263 =C2=B1 0% -0.9% 481764 =C2=B1 0% will-it-scale.per_t= hread_ops 355 =C2=B1 14% +163.0% 933 =C2=B1 37% sched_debug.cpu#20.= curr->pid 6 =C2=B1 34% +148.0% 15 =C2=B1 11% sched_debug.cfs_rq[= 52]:/.load 11214 =C2=B1 48% -55.6% 4973 =C2=B1 14% sched_debug.cfs_rq[= 11]:/.exec_clock 5 =C2=B1 31% -55.0% 2 =C2=B1 48% sched_debug.cpu#5.c= pu_load[1] 88729 =C2=B1 46% -53.2% 41487 =C2=B1 3% sched_debug.cfs_rq[= 11]:/.min_vruntime 408 =C2=B1 34% -56.8% 176 =C2=B1 3% sched_debug.cpu#43.= ttwu_local 7 =C2=B1 34% +114.3% 15 =C2=B1 12% sched_debug.cpu#52.= load 13 =C2=B1 46% +70.4% 23 =C2=B1 26% sched_debug.cpu#43.= load 4 =C2=B1 17% +105.3% 9 =C2=B1 19% sched_debug.cfs_rq[= 6]:/.blocked_load_avg 6562 =C2=B1 25% +120.1% 14443 =C2=B1 16% sched_debug.cfs_rq[= 7]:/.exec_clock 3 =C2=B1 22% -46.7% 2 =C2=B1 0% sched_debug.cfs_rq[= 28]:/.blocked_load_avg 68456 =C2=B1 17% -39.7% 41302 =C2=B1 47% sched_debug.cfs_rq[= 46]:/.spread0 187 =C2=B1 15% -38.2% 115 =C2=B1 18% sched_debug.cpu#40.= ttwu_local 941 =C2=B1 25% +76.9% 1665 =C2=B1 19% sched_debug.cpu#52.= curr->pid 11 =C2=B1 3% +104.4% 23 =C2=B1 49% sched_debug.cfs_rq[= 48]:/.tg_load_contrib 534 =C2=B1 20% +87.9% 1003 =C2=B1 48% sched_debug.cpu#6.t= twu_local 51437 =C2=B1 28% +55.8% 80132 =C2=B1 19% sched_debug.cfs_rq[= 8]:/.min_vruntime 14311 =C2=B1 23% +67.2% 23936 =C2=B1 24% sched_debug.cpu#22.= sched_goidle 9 =C2=B1 8% -35.9% 6 =C2=B1 26% sched_debug.cpu#39.= cpu_load[4] 14113 =C2=B1 24% +66.8% 23537 =C2=B1 25% sched_debug.cpu#22.= ttwu_count 28742 =C2=B1 23% +66.8% 47938 =C2=B1 24% sched_debug.cpu#22.= nr_switches 7 =C2=B1 17% -27.6% 5 =C2=B1 20% sched_debug.cpu#42.= cpu_load[0] 58556 =C2=B1 16% -32.5% 39547 =C2=B1 4% sched_debug.cfs_rq[= 12]:/.min_vruntime 199 =C2=B1 9% -37.1% 125 =C2=B1 12% sched_debug.cpu#46.= ttwu_local 161308 =C2=B1 28% -45.6% 87699 =C2=B1 30% sched_debug.cpu#2.s= ched_goidle 322838 =C2=B1 28% -45.6% 175601 =C2=B1 30% sched_debug.cpu#2.n= r_switches 188 =C2=B1 8% -30.3% 131 =C2=B1 11% sched_debug.cpu#47.= ttwu_local 330608 =C2=B1 31% -46.5% 176795 =C2=B1 29% sched_debug.cpu#2.s= ched_count 407 =C2=B1 12% +39.7% 568 =C2=B1 10% sched_debug.cpu#30.= ttwu_local 75 =C2=B1 21% +31.5% 99 =C2=B1 19% sched_debug.cfs_rq[= 8]:/.tg_runnable_contrib 9 =C2=B1 15% -33.3% 6 =C2=B1 11% sched_debug.cpu#36.= cpu_load[1] 3494 =C2=B1 21% +31.0% 4578 =C2=B1 18% sched_debug.cfs_rq[= 8]:/.avg->runnable_avg_sum 304 =C2=B1 9% -28.7% 217 =C2=B1 9% sched_debug.cpu#39.= ttwu_local 118 =C2=B1 10% -25.2% 88 =C2=B1 11% sched_debug.cpu#48.= ttwu_local 171927 =C2=B1 32% -45.5% 93673 =C2=B1 34% sched_debug.cpu#2.t= twu_count 68928 =C2=B1 14% -41.9% 40061 =C2=B1 46% sched_debug.cfs_rq[= 40]:/.spread0 9 =C2=B1 11% -33.3% 6 =C2=B1 17% sched_debug.cpu#38.= cpu_load[4] 9 =C2=B1 15% -25.6% 7 =C2=B1 15% sched_debug.cpu#38.= cpu_load[3] 537 =C2=B1 15% -28.3% 385 =C2=B1 14% sched_debug.cpu#9.t= twu_local 2694 =C2=B1 15% -21.5% 2116 =C2=B1 6% sched_debug.cfs_rq[= 16]:/.avg->runnable_avg_sum 58 =C2=B1 15% -21.1% 45 =C2=B1 6% sched_debug.cfs_rq[= 16]:/.tg_runnable_contrib 0.05 =C2=B1 8% +33.3% 0.07 =C2=B1 10% turbostat.%c3 130948 =C2=B1 11% -40.3% 78138 =C2=B1 47% sched_debug.cfs_rq[= 39]:/.spread0 282 =C2=B1 10% -22.1% 220 =C2=B1 7% sched_debug.cpu#38.= ttwu_local 20679 =C2=B1 18% -26.9% 15120 =C2=B1 17% numa-meminfo.node2.= Active(anon) 5170 =C2=B1 18% -26.9% 3778 =C2=B1 17% numa-vmstat.node2.n= r_active_anon 36499 =C2=B1 4% -24.1% 27721 =C2=B1 8% sched_debug.cfs_rq[= 39]:/.exec_clock 259406 =C2=B1 8% -19.7% 208230 =C2=B1 10% sched_debug.cfs_rq[= 39]:/.min_vruntime 125 =C2=B1 5% -20.5% 99 =C2=B1 14% sched_debug.cpu#55.= ttwu_local 23 =C2=B1 10% -26.1% 17 =C2=B1 19% sched_debug.cfs_rq[= 44]:/.load 82250 =C2=B1 9% -20.9% 65029 =C2=B1 11% sched_debug.cfs_rq[= 2]:/.min_vruntime 80988 =C2=B1 8% +17.1% 94812 =C2=B1 7% meminfo.DirectMap4k 47 =C2=B1 10% +15.3% 54 =C2=B1 8% sched_debug.cfs_rq[= 20]:/.tg_runnable_contrib 73 =C2=B1 7% -22.9% 56 =C2=B1 8% sched_debug.cpu#63.= ttwu_local 46694 =C2=B1 4% +29.7% 60558 =C2=B1 7% sched_debug.cpu#7.n= r_load_updates 2205 =C2=B1 9% +15.1% 2539 =C2=B1 8% sched_debug.cfs_rq[= 20]:/.avg->runnable_avg_sum 772 =C2=B1 10% -17.6% 636 =C2=B1 4% sched_debug.cpu#33.= ttwu_local 1.64 =C2=B1 3% +21.3% 1.98 =C2=B1 10% perf-profile.cpu-cy= cles.copy_user_generic_string.copy_page_to_iter.shmem_file_read_iter.new_sy= nc_read.vfs_read 140 =C2=B1 25% -34.4% 92 =C2=B1 9% sched_debug.cpu#54.= ttwu_local 1.27 =C2=B1 4% -14.0% 1.09 =C2=B1 9% perf-profile.cpu-cy= cles.put_page.shmem_file_read_iter.new_sync_read.vfs_read.sys_pread64 1.72 =C2=B1 7% -14.8% 1.46 =C2=B1 9% perf-profile.cpu-cy= cles.find_get_entry.find_lock_entry.shmem_getpage_gfp.shmem_file_read_iter.= new_sync_read 251 =C2=B1 1% -17.8% 206 =C2=B1 11% sched_debug.cfs_rq[= 39]:/.tg_runnable_contrib 11533 =C2=B1 1% -17.7% 9492 =C2=B1 11% sched_debug.cfs_rq[= 39]:/.avg->runnable_avg_sum 649966 =C2=B1 7% +20.0% 779700 =C2=B1 5% sched_debug.cpu#36.= ttwu_count 3.99 =C2=B1 2% +20.4% 4.80 =C2=B1 7% perf-profile.cpu-cy= cles.__wake_up_common.__wake_up.__wake_up_bit.unlock_page.shmem_file_read_i= ter 613256 =C2=B1 9% -9.5% 555274 =C2=B1 10% sched_debug.cpu#26.= avg_idle 554 =C2=B1 22% +55.5% 862 =C2=B1 39% sched_debug.cpu#3.t= twu_local 8 =C2=B1 4% +51.4% 13 =C2=B1 33% sched_debug.cfs_rq[= 25]:/.tg_load_contrib 637300 =C2=B1 8% +15.3% 734754 =C2=B1 5% sched_debug.cpu#36.= sched_goidle 1275355 =C2=B1 8% +15.3% 1470926 =C2=B1 5% sched_debug.cpu#36.= sched_count 1274943 =C2=B1 8% +15.3% 1469761 =C2=B1 5% sched_debug.cpu#36.= nr_switches 101711 =C2=B1 5% -13.8% 87699 =C2=B1 7% sched_debug.cpu#39.= nr_load_updates 374 =C2=B1 19% -31.5% 256 =C2=B1 13% sched_debug.cpu#32.= ttwu_local 249095 =C2=B1 6% -14.2% 213769 =C2=B1 7% sched_debug.cfs_rq[= 38]:/.min_vruntime 34404 =C2=B1 5% -15.9% 28935 =C2=B1 8% sched_debug.cfs_rq[= 38]:/.exec_clock 44719 =C2=B1 5% -11.1% 39771 =C2=B1 6% sched_debug.cpu#62.= nr_load_updates 1.06 =C2=B1 6% +13.5% 1.20 =C2=B1 6% perf-profile.cpu-cy= cles.wake_bit_function.__wake_up.__wake_up_bit.unlock_page.shmem_file_read_= iter 11248 =C2=B1 5% -13.2% 9765 =C2=B1 9% sched_debug.cfs_rq[= 38]:/.avg->runnable_avg_sum 2425 =C2=B1 14% +18.9% 2883 =C2=B1 7% sched_debug.cfs_rq[= 19]:/.exec_clock 245 =C2=B1 5% -13.0% 213 =C2=B1 9% sched_debug.cfs_rq[= 38]:/.tg_runnable_contrib 129 =C2=B1 3% -21.3% 101 =C2=B1 10% sched_debug.cpu#53.= ttwu_local 41965 =C2=B1 9% -13.8% 36182 =C2=B1 5% numa-meminfo.node2.= Active 4000 =C2=B1 0% -11.1% 3554 =C2=B1 7% proc-vmstat.nr_shmem 16003 =C2=B1 0% -11.1% 14220 =C2=B1 7% meminfo.Shmem 94 =C2=B1 3% +10.6% 104 =C2=B1 4% sched_debug.cfs_rq[= 41]:/.tg_runnable_contrib 5773 =C2=B1 11% -15.2% 4893 =C2=B1 6% numa-vmstat.node1.n= r_slab_unreclaimable 4366 =C2=B1 3% +10.4% 4818 =C2=B1 4% sched_debug.cfs_rq[= 41]:/.avg->runnable_avg_sum 23094 =C2=B1 11% -15.2% 19576 =C2=B1 6% numa-meminfo.node1.= SUnreclaim 55562 =C2=B1 4% -11.5% 49192 =C2=B1 10% sched_debug.cpu#2.n= r_load_updates 32616 =C2=B1 3% -10.2% 29304 =C2=B1 8% sched_debug.cpu#61.= ttwu_count 667746 =C2=B1 13% +21.4% 810334 =C2=B1 3% sched_debug.cpu#34.= ttwu_count 34230 =C2=B1 6% -11.2% 30408 =C2=B1 2% numa-meminfo.node1.= Slab 1835 =C2=B1 2% +12.1% 2057 =C2=B1 6% numa-meminfo.node1.= KernelStack 4589 =C2=B1 1% -28.7% 3271 =C2=B1 2% time.involuntary_co= ntext_switches 359 =C2=B1 3% +5.2% 378 =C2=B1 0% time.percent_of_cpu= _this_job_got 1105 =C2=B1 3% +5.2% 1163 =C2=B1 0% time.system_time lkp-sbx04: Sandy Bridge-EX Memory: 64G time.involuntary_context_switches 5000 ++------------------------------------------------------------------= -+ 4500 ++*.*.*.*.*.*. .*.*.*. .*.*.*.*.*. *.*.*.* = | * * * * = | 4000 ++ = | 3500 O+O O O O O O O O O = | | O O O O O O O OO O O O O O O O O O O O O O O= O 3000 ++ = | 2500 ++ = | 2000 ++ = | | = | 1500 ++ = | 1000 ++ = | | = | 500 ++ = | 0 ++-------------------------------------O-----O----------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local 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, Huang, Ying _______________________________________________ LKP mailing list LKP(a)linux.intel.com --===============6236780685103091088== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="job.yaml" LS0tCnRlc3RjYXNlOiB3aWxsLWl0LXNjYWxlCmRlZmF1bHRfbW9uaXRvcnM6CiAgd2FpdDogcHJl LXRlc3QKICB1cHRpbWU6IAogIGlvc3RhdDogCiAgdm1zdGF0OiAKICBudW1hLW51bWFzdGF0OiAK ICBudW1hLXZtc3RhdDogCiAgbnVtYS1tZW1pbmZvOiAKICBwcm9jLXZtc3RhdDogCiAgcHJvYy1z dGF0OiAKICBtZW1pbmZvOiAKICBzbGFiaW5mbzogCiAgaW50ZXJydXB0czogCiAgbG9ja19zdGF0 OiAKICBsYXRlbmN5X3N0YXRzOiAKICBzb2Z0aXJxczogCiAgYmRpX2Rldl9tYXBwaW5nOiAKICBk aXNrc3RhdHM6IAogIGNwdWlkbGU6IAogIGNwdWZyZXE6IAogIHR1cmJvc3RhdDogCiAgc2NoZWRf ZGVidWc6CiAgICBpbnRlcnZhbDogMTAKICBwbWV0ZXI6IApkZWZhdWx0X3dhdGNoZG9nczoKICB3 YXRjaC1vb206IAogIHdhdGNoZG9nOiAKY3B1ZnJlcV9nb3Zlcm5vcjoKLSBwZXJmb3JtYW5jZQpj b21taXQ6IGIyNzc2YmY3MTQ5YmRkZDFmNDE2MWYxNGY3OTUyMGYxN2ZjMWQ3MWQKbW9kZWw6IFNh 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eXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTkvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCi4vcnVu dGVzdC5weSBwcmVhZDIgMTYgMSA4IDE2IDI0IDMyIDQ4IDY0Cg== --===============6236780685103091088==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752400AbaLSEvV (ORCPT ); Thu, 18 Dec 2014 23:51:21 -0500 Received: from mga11.intel.com ([192.55.52.93]:13365 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752116AbaLSEuE (ORCPT ); Thu, 18 Dec 2014 23:50:04 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="yaml'?scan'208";a="431051437" Message-ID: <1418964602.26403.23.camel@intel.com> Subject: [LKP] [vmstat] 7cc36bbddde: +2.6% will-it-scale.scalability -28.7% time.involuntary_context_switches From: Huang Ying To: Christoph Lameter Cc: Linus Torvalds , LKML , LKP ML Date: Fri, 19 Dec 2014 12:50:02 +0800 Content-Type: multipart/mixed; boundary="=-TQ5O/972nk6/5R1bjHQ4" X-Mailer: Evolution 3.12.9-1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-TQ5O/972nk6/5R1bjHQ4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on commit 7cc36bbddde5cd0c98f0c06e3304ab833d662565 ("vmstat: on-demand vmstat workers V8") testbox/testcase/testparams: lkp-sbx04/will-it-scale/performance-pread2 f0d6d1f6ff6f8525 7cc36bbddde5cd0c98f0c06e33 ---------------- -------------------------- %stddev %change %stddev \ | \ 0.00 ± 1% +2.6% 0.00 ± 1% will-it-scale.scalability 533566 ± 0% -1.2% 527362 ± 0% will-it-scale.per_process_ops 486263 ± 0% -0.9% 481764 ± 0% will-it-scale.per_thread_ops 355 ± 14% +163.0% 933 ± 37% sched_debug.cpu#20.curr->pid 6 ± 34% +148.0% 15 ± 11% sched_debug.cfs_rq[52]:/.load 11214 ± 48% -55.6% 4973 ± 14% sched_debug.cfs_rq[11]:/.exec_clock 5 ± 31% -55.0% 2 ± 48% sched_debug.cpu#5.cpu_load[1] 88729 ± 46% -53.2% 41487 ± 3% sched_debug.cfs_rq[11]:/.min_vruntime 408 ± 34% -56.8% 176 ± 3% sched_debug.cpu#43.ttwu_local 7 ± 34% +114.3% 15 ± 12% sched_debug.cpu#52.load 13 ± 46% +70.4% 23 ± 26% sched_debug.cpu#43.load 4 ± 17% +105.3% 9 ± 19% sched_debug.cfs_rq[6]:/.blocked_load_avg 6562 ± 25% +120.1% 14443 ± 16% sched_debug.cfs_rq[7]:/.exec_clock 3 ± 22% -46.7% 2 ± 0% sched_debug.cfs_rq[28]:/.blocked_load_avg 68456 ± 17% -39.7% 41302 ± 47% sched_debug.cfs_rq[46]:/.spread0 187 ± 15% -38.2% 115 ± 18% sched_debug.cpu#40.ttwu_local 941 ± 25% +76.9% 1665 ± 19% sched_debug.cpu#52.curr->pid 11 ± 3% +104.4% 23 ± 49% sched_debug.cfs_rq[48]:/.tg_load_contrib 534 ± 20% +87.9% 1003 ± 48% sched_debug.cpu#6.ttwu_local 51437 ± 28% +55.8% 80132 ± 19% sched_debug.cfs_rq[8]:/.min_vruntime 14311 ± 23% +67.2% 23936 ± 24% sched_debug.cpu#22.sched_goidle 9 ± 8% -35.9% 6 ± 26% sched_debug.cpu#39.cpu_load[4] 14113 ± 24% +66.8% 23537 ± 25% sched_debug.cpu#22.ttwu_count 28742 ± 23% +66.8% 47938 ± 24% sched_debug.cpu#22.nr_switches 7 ± 17% -27.6% 5 ± 20% sched_debug.cpu#42.cpu_load[0] 58556 ± 16% -32.5% 39547 ± 4% sched_debug.cfs_rq[12]:/.min_vruntime 199 ± 9% -37.1% 125 ± 12% sched_debug.cpu#46.ttwu_local 161308 ± 28% -45.6% 87699 ± 30% sched_debug.cpu#2.sched_goidle 322838 ± 28% -45.6% 175601 ± 30% sched_debug.cpu#2.nr_switches 188 ± 8% -30.3% 131 ± 11% sched_debug.cpu#47.ttwu_local 330608 ± 31% -46.5% 176795 ± 29% sched_debug.cpu#2.sched_count 407 ± 12% +39.7% 568 ± 10% sched_debug.cpu#30.ttwu_local 75 ± 21% +31.5% 99 ± 19% sched_debug.cfs_rq[8]:/.tg_runnable_contrib 9 ± 15% -33.3% 6 ± 11% sched_debug.cpu#36.cpu_load[1] 3494 ± 21% +31.0% 4578 ± 18% sched_debug.cfs_rq[8]:/.avg->runnable_avg_sum 304 ± 9% -28.7% 217 ± 9% sched_debug.cpu#39.ttwu_local 118 ± 10% -25.2% 88 ± 11% sched_debug.cpu#48.ttwu_local 171927 ± 32% -45.5% 93673 ± 34% sched_debug.cpu#2.ttwu_count 68928 ± 14% -41.9% 40061 ± 46% sched_debug.cfs_rq[40]:/.spread0 9 ± 11% -33.3% 6 ± 17% sched_debug.cpu#38.cpu_load[4] 9 ± 15% -25.6% 7 ± 15% sched_debug.cpu#38.cpu_load[3] 537 ± 15% -28.3% 385 ± 14% sched_debug.cpu#9.ttwu_local 2694 ± 15% -21.5% 2116 ± 6% sched_debug.cfs_rq[16]:/.avg->runnable_avg_sum 58 ± 15% -21.1% 45 ± 6% sched_debug.cfs_rq[16]:/.tg_runnable_contrib 0.05 ± 8% +33.3% 0.07 ± 10% turbostat.%c3 130948 ± 11% -40.3% 78138 ± 47% sched_debug.cfs_rq[39]:/.spread0 282 ± 10% -22.1% 220 ± 7% sched_debug.cpu#38.ttwu_local 20679 ± 18% -26.9% 15120 ± 17% numa-meminfo.node2.Active(anon) 5170 ± 18% -26.9% 3778 ± 17% numa-vmstat.node2.nr_active_anon 36499 ± 4% -24.1% 27721 ± 8% sched_debug.cfs_rq[39]:/.exec_clock 259406 ± 8% -19.7% 208230 ± 10% sched_debug.cfs_rq[39]:/.min_vruntime 125 ± 5% -20.5% 99 ± 14% sched_debug.cpu#55.ttwu_local 23 ± 10% -26.1% 17 ± 19% sched_debug.cfs_rq[44]:/.load 82250 ± 9% -20.9% 65029 ± 11% sched_debug.cfs_rq[2]:/.min_vruntime 80988 ± 8% +17.1% 94812 ± 7% meminfo.DirectMap4k 47 ± 10% +15.3% 54 ± 8% sched_debug.cfs_rq[20]:/.tg_runnable_contrib 73 ± 7% -22.9% 56 ± 8% sched_debug.cpu#63.ttwu_local 46694 ± 4% +29.7% 60558 ± 7% sched_debug.cpu#7.nr_load_updates 2205 ± 9% +15.1% 2539 ± 8% sched_debug.cfs_rq[20]:/.avg->runnable_avg_sum 772 ± 10% -17.6% 636 ± 4% sched_debug.cpu#33.ttwu_local 1.64 ± 3% +21.3% 1.98 ± 10% perf-profile.cpu-cycles.copy_user_generic_string.copy_page_to_iter.shmem_file_read_iter.new_sync_read.vfs_read 140 ± 25% -34.4% 92 ± 9% sched_debug.cpu#54.ttwu_local 1.27 ± 4% -14.0% 1.09 ± 9% perf-profile.cpu-cycles.put_page.shmem_file_read_iter.new_sync_read.vfs_read.sys_pread64 1.72 ± 7% -14.8% 1.46 ± 9% perf-profile.cpu-cycles.find_get_entry.find_lock_entry.shmem_getpage_gfp.shmem_file_read_iter.new_sync_read 251 ± 1% -17.8% 206 ± 11% sched_debug.cfs_rq[39]:/.tg_runnable_contrib 11533 ± 1% -17.7% 9492 ± 11% sched_debug.cfs_rq[39]:/.avg->runnable_avg_sum 649966 ± 7% +20.0% 779700 ± 5% sched_debug.cpu#36.ttwu_count 3.99 ± 2% +20.4% 4.80 ± 7% perf-profile.cpu-cycles.__wake_up_common.__wake_up.__wake_up_bit.unlock_page.shmem_file_read_iter 613256 ± 9% -9.5% 555274 ± 10% sched_debug.cpu#26.avg_idle 554 ± 22% +55.5% 862 ± 39% sched_debug.cpu#3.ttwu_local 8 ± 4% +51.4% 13 ± 33% sched_debug.cfs_rq[25]:/.tg_load_contrib 637300 ± 8% +15.3% 734754 ± 5% sched_debug.cpu#36.sched_goidle 1275355 ± 8% +15.3% 1470926 ± 5% sched_debug.cpu#36.sched_count 1274943 ± 8% +15.3% 1469761 ± 5% sched_debug.cpu#36.nr_switches 101711 ± 5% -13.8% 87699 ± 7% sched_debug.cpu#39.nr_load_updates 374 ± 19% -31.5% 256 ± 13% sched_debug.cpu#32.ttwu_local 249095 ± 6% -14.2% 213769 ± 7% sched_debug.cfs_rq[38]:/.min_vruntime 34404 ± 5% -15.9% 28935 ± 8% sched_debug.cfs_rq[38]:/.exec_clock 44719 ± 5% -11.1% 39771 ± 6% sched_debug.cpu#62.nr_load_updates 1.06 ± 6% +13.5% 1.20 ± 6% perf-profile.cpu-cycles.wake_bit_function.__wake_up.__wake_up_bit.unlock_page.shmem_file_read_iter 11248 ± 5% -13.2% 9765 ± 9% sched_debug.cfs_rq[38]:/.avg->runnable_avg_sum 2425 ± 14% +18.9% 2883 ± 7% sched_debug.cfs_rq[19]:/.exec_clock 245 ± 5% -13.0% 213 ± 9% sched_debug.cfs_rq[38]:/.tg_runnable_contrib 129 ± 3% -21.3% 101 ± 10% sched_debug.cpu#53.ttwu_local 41965 ± 9% -13.8% 36182 ± 5% numa-meminfo.node2.Active 4000 ± 0% -11.1% 3554 ± 7% proc-vmstat.nr_shmem 16003 ± 0% -11.1% 14220 ± 7% meminfo.Shmem 94 ± 3% +10.6% 104 ± 4% sched_debug.cfs_rq[41]:/.tg_runnable_contrib 5773 ± 11% -15.2% 4893 ± 6% numa-vmstat.node1.nr_slab_unreclaimable 4366 ± 3% +10.4% 4818 ± 4% sched_debug.cfs_rq[41]:/.avg->runnable_avg_sum 23094 ± 11% -15.2% 19576 ± 6% numa-meminfo.node1.SUnreclaim 55562 ± 4% -11.5% 49192 ± 10% sched_debug.cpu#2.nr_load_updates 32616 ± 3% -10.2% 29304 ± 8% sched_debug.cpu#61.ttwu_count 667746 ± 13% +21.4% 810334 ± 3% sched_debug.cpu#34.ttwu_count 34230 ± 6% -11.2% 30408 ± 2% numa-meminfo.node1.Slab 1835 ± 2% +12.1% 2057 ± 6% numa-meminfo.node1.KernelStack 4589 ± 1% -28.7% 3271 ± 2% time.involuntary_context_switches 359 ± 3% +5.2% 378 ± 0% time.percent_of_cpu_this_job_got 1105 ± 3% +5.2% 1163 ± 0% time.system_time lkp-sbx04: Sandy Bridge-EX Memory: 64G time.involuntary_context_switches 5000 ++-------------------------------------------------------------------+ 4500 ++*.*.*.*.*.*. .*.*.*. .*.*.*.*.*. *.*.*.* | * * * * | 4000 ++ | 3500 O+O O O O O O O O O | | O O O O O O O OO O O O O O O O O O O O O O O O 3000 ++ | 2500 ++ | 2000 ++ | | | 1500 ++ | 1000 ++ | | | 500 ++ | 0 ++-------------------------------------O-----O-----------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml 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, Huang, Ying --=-TQ5O/972nk6/5R1bjHQ4 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- testcase: will-it-scale default_monitors: wait: pre-test uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: cpuidle: cpufreq: turbostat: sched_debug: interval: 10 pmeter: default_watchdogs: watch-oom: watchdog: cpufreq_governor: - performance commit: b2776bf7149bddd1f4161f14f79520f17fc1d71d model: Sandy Bridge-EX nr_cpu: 64 memory: 64G nr_ssd_partitions: 4 ssd_partitions: "/dev/disk/by-id/ata-INTEL_SSDSC2CW240A3_CVCV20430*-part1" swap_partitions: perf-profile: freq: 800 will-it-scale: test: - pread2 testbox: lkp-sbx04 tbox_group: lkp-sbx04 kconfig: x86_64-rhel enqueue_time: 2014-12-08 14:35:08.024262582 +08:00 head_commit: 6888df25fb1b446378b0ea9ea978c18f492f4ee1 base_commit: b2776bf7149bddd1f4161f14f79520f17fc1d71d branch: linux-devel/devel-hourly-2014120811 kernel: "/kernel/x86_64-rhel/b2776bf7149bddd1f4161f14f79520f17fc1d71d/vmlinuz-3.18.0-gb2776bf" user: lkp queue: cyclic rootfs: debian-x86_64.cgz result_root: "/result/lkp-sbx04/will-it-scale/performance-pread2/debian-x86_64.cgz/x86_64-rhel/b2776bf7149bddd1f4161f14f79520f17fc1d71d/0" job_file: "/lkp/scheduled/lkp-sbx04/cyclic_will-it-scale-performance-pread2-x86_64-rhel-BASE-b2776bf7149bddd1f4161f14f79520f17fc1d71d-0.yaml" dequeue_time: 2014-12-08 17:23:43.107041538 +08:00 job_state: finished loadavg: 43.43 21.08 8.32 1/530 13949 start_time: '1418030675' end_time: '1418030984' version: "/lkp/lkp/.src-20141206-060219" --=-TQ5O/972nk6/5R1bjHQ4 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="reproduce" Content-Transfer-Encoding: 7bit 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/cpu11/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/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor ./runtest.py pread2 16 1 8 16 24 32 48 64 --=-TQ5O/972nk6/5R1bjHQ4 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable _______________________________________________ LKP mailing list LKP@linux.intel.com =0D --=-TQ5O/972nk6/5R1bjHQ4--