From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7349169837999649181==" MIME-Version: 1.0 From: kernel test robot To: lkp@lists.01.org Subject: [mm, page_alloc] 625fab12b4: 160.2% fileio.time.involuntary_context_switches Date: Mon, 01 Feb 2016 09:56:03 +0800 Message-ID: <87si1dgpn0.fsf@yhuang-dev.intel.com> List-Id: --===============7349169837999649181== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma mm-vm= scan-node-lru-v2r26 commit 625fab12b407ee064c3f9d10b304e5aba87ad1ce ("mm, page_alloc: Remove fa= ir zone allocation policy") =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 compiler/cpufreq_governor/disk/filenum/fs/iomode/kconfig/nr_threads/period/= rootfs/rwmode/size/tbox_group/testcase: gcc-4.9/performance/1HDD/1024f/xfs/sync/x86_64-rhel/100%/600s/debian-x86_= 64-2015-02-07.cgz/seqwr/64G/lkp-sb02/fileio commit: = 94388badc0ebce2bdcc516dc413844921bd768fa 625fab12b407ee064c3f9d10b304e5aba87ad1ce 94388badc0ebce2b 625fab12b407ee064c3f9d10b3 = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 14265 =C2=B1 0% +160.2% 37121 =C2=B1 2% fileio.time.involun= tary_context_switches 36.75 =C2=B1 1% +51.0% 55.50 =C2=B1 0% fileio.time.percent= _of_cpu_this_job_got 224.17 =C2=B1 1% +50.0% 336.17 =C2=B1 1% fileio.time.system_= time 1263295 =C2=B1 1% -26.4% 930092 =C2=B1 0% fileio.time.volunta= ry_context_switches 820.99 =C2=B1 0% -16.1% 688.70 =C2=B1 0% uptime.idle 32784 =C2=B1 3% +9.2% 35813 =C2=B1 3% softirqs.RCU 543300 =C2=B1 0% +21.8% 661679 =C2=B1 0% softirqs.TIMER 2.581e+08 =C2=B1 2% -55.1% 1.158e+08 =C2=B1 1% cpuidle.C1-SNB.time 991217 =C2=B1 2% -22.9% 763992 =C2=B1 1% cpuidle.C1-SNB.usage 34907285 =C2=B1 10% -15.4% 29536292 =C2=B1 4% cpuidle.C1E-SNB.time 91859362 =C2=B1 5% -19.0% 74382776 =C2=B1 5% cpuidle.POLL.time 231879 =C2=B1 6% -31.1% 159807 =C2=B1 5% cpuidle.POLL.usage 14265 =C2=B1 0% +160.2% 37121 =C2=B1 2% time.involuntary_co= ntext_switches 36.75 =C2=B1 1% +51.0% 55.50 =C2=B1 0% time.percent_of_cpu= _this_job_got 224.17 =C2=B1 1% +50.0% 336.17 =C2=B1 1% time.system_time 0.84 =C2=B1 5% +27.1% 1.07 =C2=B1 1% time.user_time 1263295 =C2=B1 1% -26.4% 930092 =C2=B1 0% time.voluntary_cont= ext_switches 42.95 =C2=B1 0% +22.2% 52.48 =C2=B1 0% turbostat.%Busy 1278 =C2=B1 0% +21.6% 1555 =C2=B1 0% turbostat.Avg_MHz 12.53 =C2=B1 2% -48.0% 6.51 =C2=B1 1% turbostat.CPU%c1 22.19 =C2=B1 0% +12.8% 25.04 =C2=B1 0% turbostat.CorWatt 25.85 =C2=B1 0% +11.0% 28.70 =C2=B1 0% turbostat.PkgWatt 52830 =C2=B1 0% +1.8% 53782 =C2=B1 0% vmstat.io.bo 713.50 =C2=B1 7% -33.6% 473.75 =C2=B1 2% vmstat.memory.buff 1.00 =C2=B1 0% +100.0% 2.00 =C2=B1 0% vmstat.procs.r 5310 =C2=B1 1% -10.2% 4766 =C2=B1 0% vmstat.system.cs 2231 =C2=B1 1% +20.0% 2678 =C2=B1 0% vmstat.system.in 2247 =C2=B1 6% -12.3% 1971 =C2=B1 3% slabinfo.anon_vma.a= ctive_objs 2247 =C2=B1 6% -12.3% 1971 =C2=B1 3% slabinfo.anon_vma.n= um_objs 954.00 =C2=B1 10% +24.4% 1186 =C2=B1 3% slabinfo.cred_jar.a= ctive_objs 20832 =C2=B1 3% +345.2% 92754 =C2=B1 2% slabinfo.kmalloc-64= .active_objs 325.25 =C2=B1 3% +345.4% 1448 =C2=B1 2% slabinfo.kmalloc-64= .active_slabs 20832 =C2=B1 3% +345.2% 92755 =C2=B1 2% slabinfo.kmalloc-64= .num_objs 325.25 =C2=B1 3% +345.4% 1448 =C2=B1 2% slabinfo.kmalloc-64= .num_slabs 2541 =C2=B1 1% +18.8% 3018 =C2=B1 1% slabinfo.radix_tree= _node.active_slabs 2541 =C2=B1 1% +18.8% 3018 =C2=B1 1% slabinfo.radix_tree= _node.num_slabs 146398 =C2=B1 0% -82.4% 25752 =C2=B1 1% meminfo.Active 1660 =C2=B1 0% -100.0% 0.00 =C2=B1 -1% meminfo.Active(anon) 144736 =C2=B1 0% -82.2% 25752 =C2=B1 1% meminfo.Active(file) 478122 =C2=B1 0% -52.4% 227480 =C2=B1 0% meminfo.Dirty 171938 =C2=B1 6% +94.9% 335031 =C2=B1 2% meminfo.Inactive 171938 =C2=B1 6% +11.8% 192237 =C2=B1 5% meminfo.Inactive(an= on) 411066 =C2=B1 2% +10.3% 453230 =C2=B1 1% meminfo.MemAvailable 171939 =C2=B1 6% +11.8% 192238 =C2=B1 5% meminfo.MemFree 21148 =C2=B1 0% +21.8% 25752 =C2=B1 1% meminfo.SUnreclaim 21148 =C2=B1 0% -87.0% 2743 =C2=B1 0% meminfo.Unevictable 88635 =C2=B1 0% -13.8% 76382 =C2=B1 2% meminfo.Writeback 0.00 =C2=B1 -1% +Inf% 14490 =C2=B1 57% latency_stats.avg.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.Sy= S_clone.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 11880 =C2=B1 71% latency_stats.avg.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_= fault.page_fault 16059 =C2=B1118% -95.7% 693.00 =C2=B1126% latency_stats.avg.x= fs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xf= s_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_allo= c_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bm= ap_finish 14149 =C2=B1 3% -74.7% 3573 =C2=B1 6% latency_stats.hits.= balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.x= fs_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_pw= rite64.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 14490 =C2=B1 57% latency_stats.max.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.Sy= S_clone.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 12994 =C2=B1 70% latency_stats.max.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_= fault.page_fault 16059 =C2=B1118% -95.7% 693.00 =C2=B1126% latency_stats.max.x= fs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xf= s_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_allo= c_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bm= ap_finish 1.591e+08 =C2=B1 3% -69.6% 48384300 =C2=B1 0% latency_stats.sum.b= alance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.xf= s_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_pwr= ite64.entry_SYSCALL_64_fastpath 42101 =C2=B1173% +544.4% 271288 =C2=B1102% latency_stats.sum.c= all_rwsem_down_write_failed.xfs_ilock.xfs_vn_update_time.file_update_time.x= fs_file_aio_write_checks.xfs_file_buffered_aio_write.xfs_file_write_iter.__= vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath 29214 =C2=B1 74% -33.4% 19470 =C2=B1 0% latency_stats.sum.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.alloc_kmem_pages.kmalloc_order.kmalloc_order_trace.devkmsg_open.me= mory_open.chrdev_open.do_dentry_open.vfs_open 0.00 =C2=B1 -1% +Inf% 14490 =C2=B1 57% latency_stats.sum.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.Sy= S_clone.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 17260 =C2=B1 76% latency_stats.sum.w= ait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages= _current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_= fault.page_fault 16059 =C2=B1118% -95.7% 693.00 =C2=B1126% latency_stats.sum.x= fs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xf= s_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_allo= c_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bm= ap_finish 561.50 =C2=B1 4% +84.9% 1038 =C2=B1 4% proc-vmstat.compact= _fail 19342446 =C2=B1 3% +10.1% 21300297 =C2=B1 2% proc-vmstat.compact= _free_scanned 38803 =C2=B1 11% +184.1% 110237 =C2=B1 7% proc-vmstat.compact= _isolated 167816 =C2=B1 7% +185.5% 479105 =C2=B1 3% proc-vmstat.compact= _migrate_scanned 794.75 =C2=B1 4% +80.1% 1431 =C2=B1 4% proc-vmstat.compact= _stall 108382 =C2=B1153% +329.3% 465280 =C2=B1 58% proc-vmstat.kswapd_= inodesteal 6375 =C2=B1 3% +27.8% 8149 =C2=B1 2% proc-vmstat.kswapd_= low_wmark_hit_quickly 67488 =C2=B1 2% -36.6% 42793 =C2=B1 2% proc-vmstat.nr_acti= ve_file 415.00 =C2=B1 0% -100.0% 0.00 =C2=B1 -1% proc-vmstat.nr_allo= c_batch 119527 =C2=B1 0% -52.5% 56832 =C2=B1 1% proc-vmstat.nr_dirty 5287 =C2=B1 0% +21.6% 6427 =C2=B1 1% proc-vmstat.nr_slab= _unreclaimable 18134 =C2=B1 0% +366.6% 84625 =C2=B1 0% proc-vmstat.nr_unev= ictable 1.017e+09 =C2=B1 1% +71.9% 1.748e+09 =C2=B1 1% proc-vmstat.nr_vmsc= an_immediate_reclaim 22166 =C2=B1 0% -13.0% 19279 =C2=B1 4% proc-vmstat.nr_writ= eback 64023 =C2=B1 2% -57.2% 27420 =C2=B1 2% proc-vmstat.pgactiv= ate 690575 =C2=B1 0% +15.4% 797060 =C2=B1 0% proc-vmstat.pgalloc= _dma32 1327 =C2=B1120% +975.7% 14277 =C2=B1 64% proc-vmstat.pgmigra= te_fail 12017 =C2=B1 8% +193.3% 35240 =C2=B1 4% proc-vmstat.pgmigra= te_success 6469794 =C2=B1 1% +11.8% 7233894 =C2=B1 0% proc-vmstat.pgrotat= ed 1.117e+09 =C2=B1 1% +95.6% 2.186e+09 =C2=B1 1% proc-vmstat.pgscan_= direct 20246 =C2=B1 0% +373.6% 95891 =C2=B1 1% proc-vmstat.unevict= able_pgs_culled 5347 =C2=B1 5% +75.3% 9371 =C2=B1 2% proc-vmstat.working= set_nodereclaim 58075 =C2=B1 5% +70.5% 99000 =C2=B1 3% sched_debug.cfs_rq:= /.exec_clock.0 114182 =C2=B1 15% +26.0% 143907 =C2=B1 4% sched_debug.cfs_rq:= /.exec_clock.2 121749 =C2=B1 12% +13.3% 138001 =C2=B1 1% sched_debug.cfs_rq:= /.exec_clock.3 103780 =C2=B1 0% +23.8% 128512 =C2=B1 0% sched_debug.cfs_rq:= /.exec_clock.avg 57783 =C2=B1 5% +70.4% 98484 =C2=B1 3% sched_debug.cfs_rq:= /.exec_clock.min 30369 =C2=B1 5% -38.7% 18605 =C2=B1 10% sched_debug.cfs_rq:= /.exec_clock.stddev 232.25 =C2=B1 34% +92.0% 446.00 =C2=B1 26% sched_debug.cfs_rq:= /.load_avg.0 328.00 =C2=B1 31% +54.0% 505.00 =C2=B1 20% sched_debug.cfs_rq:= /.load_avg.3 306.17 =C2=B1 4% +49.1% 456.51 =C2=B1 9% sched_debug.cfs_rq:= /.load_avg.avg 809.84 =C2=B1 6% +37.0% 1109 =C2=B1 14% sched_debug.cfs_rq:= /.load_avg.max 67.39 =C2=B1 31% +118.3% 147.12 =C2=B1 12% sched_debug.cfs_rq:= /.load_avg.min 310.31 =C2=B1 8% +27.1% 394.34 =C2=B1 18% sched_debug.cfs_rq:= /.load_avg.stddev 111578 =C2=B1 5% +98.4% 221416 =C2=B1 2% sched_debug.cfs_rq:= /.min_vruntime.0 167309 =C2=B1 6% +42.7% 238775 =C2=B1 1% sched_debug.cfs_rq:= /.min_vruntime.1 158623 =C2=B1 7% +58.3% 251082 =C2=B1 2% sched_debug.cfs_rq:= /.min_vruntime.2 168117 =C2=B1 9% +44.3% 242659 =C2=B1 3% sched_debug.cfs_rq:= /.min_vruntime.3 151407 =C2=B1 1% +57.5% 238483 =C2=B1 0% sched_debug.cfs_rq:= /.min_vruntime.avg 180632 =C2=B1 3% +40.3% 253385 =C2=B1 1% sched_debug.cfs_rq:= /.min_vruntime.max 111387 =C2=B1 5% +97.9% 220417 =C2=B1 2% sched_debug.cfs_rq:= /.min_vruntime.min 26737 =C2=B1 3% -53.0% 12574 =C2=B1 19% sched_debug.cfs_rq:= /.min_vruntime.stddev 0.82 =C2=B1 7% +27.4% 1.05 =C2=B1 12% sched_debug.cfs_rq:= /.nr_running.avg 0.34 =C2=B1 22% +105.3% 0.70 =C2=B1 17% sched_debug.cfs_rq:= /.nr_running.min 262.97 =C2=B1 12% +31.6% 346.05 =C2=B1 11% sched_debug.cfs_rq:= /.runnable_load_avg.avg 38.16 =C2=B1 49% +159.3% 98.95 =C2=B1 16% sched_debug.cfs_rq:= /.runnable_load_avg.min 55730 =C2=B1 18% -68.9% 17357 =C2=B1 23% sched_debug.cfs_rq:= /.spread0.1 56538 =C2=B1 21% -62.4% 21237 =C2=B1 55% sched_debug.cfs_rq:= /.spread0.3 39828 =C2=B1 8% -57.2% 17064 =C2=B1 31% sched_debug.cfs_rq:= /.spread0.avg 69053 =C2=B1 6% -53.7% 31964 =C2=B1 23% sched_debug.cfs_rq:= /.spread0.max 26737 =C2=B1 3% -53.0% 12573 =C2=B1 19% sched_debug.cfs_rq:= /.spread0.stddev 353.25 =C2=B1 20% +80.7% 638.25 =C2=B1 27% sched_debug.cfs_rq:= /.util_avg.0 391.25 =C2=B1 11% +75.6% 687.00 =C2=B1 18% sched_debug.cfs_rq:= /.util_avg.2 448.25 =C2=B1 19% +85.4% 831.00 =C2=B1 11% sched_debug.cfs_rq:= /.util_avg.3 432.79 =C2=B1 8% +63.3% 706.91 =C2=B1 10% sched_debug.cfs_rq:= /.util_avg.avg 846.57 =C2=B1 5% +31.8% 1116 =C2=B1 7% sched_debug.cfs_rq:= /.util_avg.max 216.25 =C2=B1 39% +117.6% 470.50 =C2=B1 14% sched_debug.cfs_rq:= /.util_avg.min 695961 =C2=B1 12% -23.1% 534898 =C2=B1 14% sched_debug.cpu.avg= _idle.2 354429 =C2=B1 20% -64.5% 125849 =C2=B1 16% sched_debug.cpu.avg= _idle.min 212161 =C2=B1 11% +42.3% 301992 =C2=B1 2% sched_debug.cpu.avg= _idle.stddev 232.00 =C2=B1 23% +74.9% 405.75 =C2=B1 9% sched_debug.cpu.cpu= _load[0].2 265.62 =C2=B1 9% +28.4% 341.04 =C2=B1 8% sched_debug.cpu.cpu= _load[0].avg 226.75 =C2=B1 23% +70.0% 385.50 =C2=B1 11% sched_debug.cpu.cpu= _load[1].2 260.41 =C2=B1 8% +31.7% 342.93 =C2=B1 9% sched_debug.cpu.cpu= _load[1].avg 40.23 =C2=B1 65% +190.8% 116.98 =C2=B1 28% sched_debug.cpu.cpu= _load[1].min 229.50 =C2=B1 19% +72.0% 394.75 =C2=B1 10% sched_debug.cpu.cpu= _load[2].2 258.82 =C2=B1 7% +35.4% 350.45 =C2=B1 9% sched_debug.cpu.cpu= _load[2].avg 42.34 =C2=B1 63% +222.5% 136.55 =C2=B1 21% sched_debug.cpu.cpu= _load[2].min 240.50 =C2=B1 14% +70.8% 410.75 =C2=B1 8% sched_debug.cpu.cpu= _load[3].2 260.75 =C2=B1 25% +37.2% 357.75 =C2=B1 11% sched_debug.cpu.cpu= _load[3].3 257.67 =C2=B1 8% +39.3% 358.95 =C2=B1 8% sched_debug.cpu.cpu= _load[3].avg 41.75 =C2=B1 69% +235.6% 140.12 =C2=B1 20% sched_debug.cpu.cpu= _load[3].min 254.75 =C2=B1 12% +66.0% 423.00 =C2=B1 10% sched_debug.cpu.cpu= _load[4].2 246.75 =C2=B1 22% +46.4% 361.25 =C2=B1 16% sched_debug.cpu.cpu= _load[4].3 257.68 =C2=B1 8% +41.8% 365.33 =C2=B1 8% sched_debug.cpu.cpu= _load[4].avg 43.82 =C2=B1 60% +219.9% 140.18 =C2=B1 19% sched_debug.cpu.cpu= _load[4].min 4021 =C2=B1 0% -16.0% 3378 =C2=B1 0% sched_debug.cpu.cur= r->pid.max 20.05 =C2=B1 67% +461.3% 112.53 =C2=B1 53% sched_debug.cpu.cur= r->pid.min 1691 =C2=B1 2% -20.3% 1348 =C2=B1 1% sched_debug.cpu.cur= r->pid.stddev 144.05 =C2=B1 34% +63.2% 235.02 =C2=B1 28% sched_debug.cpu.loa= d.min 0.00 =C2=B1 7% -35.1% 0.00 =C2=B1 12% sched_debug.cpu.nex= t_balance.stddev 87656 =C2=B1 3% +44.4% 126554 =C2=B1 3% sched_debug.cpu.nr_= load_updates.0 128292 =C2=B1 0% +16.7% 149747 =C2=B1 1% sched_debug.cpu.nr_= load_updates.avg 87534 =C2=B1 3% +44.1% 126162 =C2=B1 3% sched_debug.cpu.nr_= load_updates.min 26961 =C2=B1 8% -44.2% 15041 =C2=B1 18% sched_debug.cpu.nr_= load_updates.stddev 1.06 =C2=B1 11% +54.1% 1.64 =C2=B1 17% sched_debug.cpu.nr_= running.avg 1.91 =C2=B1 11% +53.2% 2.92 =C2=B1 22% sched_debug.cpu.nr_= running.max 0.34 =C2=B1 22% +112.7% 0.72 =C2=B1 15% sched_debug.cpu.nr_= running.min 0.67 =C2=B1 7% +38.3% 0.92 =C2=B1 26% sched_debug.cpu.nr_= running.stddev 437095 =C2=B1 6% -24.0% 332148 =C2=B1 3% sched_debug.cpu.nr_= switches.1 434420 =C2=B1 11% -33.1% 290428 =C2=B1 4% sched_debug.cpu.nr_= switches.2 415871 =C2=B1 10% -23.5% 318027 =C2=B1 3% sched_debug.cpu.nr_= switches.3 460555 =C2=B1 0% -21.7% 360716 =C2=B1 1% sched_debug.cpu.nr_= switches.avg 379951 =C2=B1 3% -24.2% 287882 =C2=B1 4% sched_debug.cpu.nr_= switches.min 69023 =C2=B1 6% +25.2% 86397 =C2=B1 11% sched_debug.cpu.nr_= switches.stddev -9.50 =C2=B1-83% -778.9% 64.50 =C2=B1 49% sched_debug.cpu.nr_= uninterruptible.0 23.23 =C2=B1 25% +219.9% 74.30 =C2=B1 25% sched_debug.cpu.nr_= uninterruptible.max -22.02 =C2=B1-32% +204.8% -67.12 =C2=B1-10% sched_debug.cpu.nr_= uninterruptible.min 17.50 =C2=B1 28% +215.3% 55.18 =C2=B1 11% sched_debug.cpu.nr_= uninterruptible.stddev 581166 =C2=B1 14% -23.6% 444135 =C2=B1 3% sched_debug.cpu.sch= ed_count.1 501484 =C2=B1 8% -22.6% 388161 =C2=B1 11% sched_debug.cpu.sch= ed_count.3 598204 =C2=B1 2% -13.2% 519290 =C2=B1 4% sched_debug.cpu.sch= ed_count.avg 441282 =C2=B1 3% -19.5% 355031 =C2=B1 10% sched_debug.cpu.sch= ed_count.min 147934 =C2=B1 4% +19.1% 176138 =C2=B1 10% sched_debug.cpu.sch= ed_count.stddev 267440 =C2=B1 1% -17.4% 220961 =C2=B1 4% sched_debug.cpu.sch= ed_goidle.0 209831 =C2=B1 7% -30.6% 145673 =C2=B1 3% sched_debug.cpu.sch= ed_goidle.1 210490 =C2=B1 11% -41.7% 122757 =C2=B1 5% sched_debug.cpu.sch= ed_goidle.2 200281 =C2=B1 10% -29.2% 141844 =C2=B1 3% sched_debug.cpu.sch= ed_goidle.3 222011 =C2=B1 0% -28.9% 157809 =C2=B1 2% sched_debug.cpu.sch= ed_goidle.avg 269793 =C2=B1 0% -17.7% 222161 =C2=B1 4% sched_debug.cpu.sch= ed_goidle.max 183167 =C2=B1 3% -33.3% 122237 =C2=B1 4% sched_debug.cpu.sch= ed_goidle.min 276225 =C2=B1 0% -30.6% 191807 =C2=B1 2% sched_debug.cpu.ttw= u_count.0 210972 =C2=B1 8% -16.3% 176617 =C2=B1 4% sched_debug.cpu.ttw= u_count.1 220636 =C2=B1 10% -15.3% 186902 =C2=B1 7% sched_debug.cpu.ttw= u_count.2 212763 =C2=B1 4% -21.5% 167014 =C2=B1 1% sched_debug.cpu.ttw= u_count.3 230149 =C2=B1 0% -21.5% 180585 =C2=B1 1% sched_debug.cpu.ttw= u_count.avg 276922 =C2=B1 0% -29.1% 196398 =C2=B1 1% sched_debug.cpu.ttw= u_count.max 194281 =C2=B1 3% -14.9% 165374 =C2=B1 2% sched_debug.cpu.ttw= u_count.min 31652 =C2=B1 6% -59.6% 12798 =C2=B1 20% sched_debug.cpu.ttw= u_count.stddev 31469 =C2=B1 5% +35.9% 42760 =C2=B1 6% sched_debug.cpu.ttw= u_local.0 25336 =C2=B1 3% +22.4% 31021 =C2=B1 2% sched_debug.cpu.ttw= u_local.avg 31881 =C2=B1 5% +35.3% 43121 =C2=B1 6% sched_debug.cpu.ttw= u_local.max 20206 =C2=B1 5% +13.8% 22998 =C2=B1 6% sched_debug.cpu.ttw= u_local.min 4634 =C2=B1 17% +70.9% 7918 =C2=B1 10% sched_debug.cpu.ttw= u_local.stddev 0.02 =C2=B1 21% +58.1% 0.02 =C2=B1 22% sched_debug.rt_rq:/= .rt_time.avg lkp-sb02: Sandy Bridge-EP Memory: 4G fileio.time.involuntary_context_switches 120000 ++----------------------------------------------------------------= -+ | OO O O = | 100000 O+O O = | | = | | = | 80000 ++ = | | = | 60000 ++ = | | = | 40000 ++ = | | O O O OO O O OO O O O = | | = | 20000 ++ *.*.* *.*.**.*= .* | + :+ = | 0 *+*-**-*-*-**-*-*-**-*-*-**-*-*-*-**-*-*-**-*-*-**------*---------= -+ proc-vmstat.nr_slab_unreclaimable 7000 ++------------------------------------------------------------------= -+ O O OO O O O OO O O O O = | 6000 ++O OO O O O = | | .*. .*. .*.*.**.*= .| 5000 ++*.**.*.*.*.*.**.*.*.*.**.*.*.*.*.**.*.* **.*.*.*.** * = * | : = | 4000 ++: = | |: = | 3000 ++ = | |: = | 2000 ++ = | |: = | 1000 ++ = | | = | 0 *+------------------------------------------------------------------= -+ meminfo.SUnreclaim 30000 ++-----------------------------------------------------------------= -+ | = | 25000 O+O O O OO O O OO O O O OO O = | | OO O = | | *.**.*.*.*.**.*.*.**.*.*.*.**.*.*.*.**.*.*.*.**.*. *.*.*.*.**.*= .* 20000 ++: *.* = | | : = | 15000 ++ = | |: = | 10000 ++ = | |: = | |: = | 5000 ++ = | | = | 0 *+-----------------------------------------------------------------= -+ proc-vmstat.nr_alloc_batch 450 ++-------------------------------------------------------------------= -+ | *.*.*.*.*.**.*.*= .* 400 ++ : = | 350 ++ : = | | : = | 300 ++ : = | 250 ++*.*.**.*.*.*.*.**.*.*.*.*.**.*.*.*.*.*.**.*.*.*.*.* = | | : = | 200 ++: = | 150 ++ = | |: = | 100 ++ = | 50 ++ = | | = | 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. 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