From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7410726873392523802==" MIME-Version: 1.0 From: Huang Ying To: lkp@lists.01.org Subject: [thp] 79553da293d: +1.8% fileio.time.file_system_inputs Date: Wed, 08 Jul 2015 09:57:52 +0800 Message-ID: <1436320672.5489.272.camel@intel.com> List-Id: --===============7410726873392523802== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 79553da293d38d63097278de13e28a3b371f43c1 ("thp: cleanup khugepaged s= tartup") =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/disk/iosched/f= s/nr_threads: bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance= /1HDD/cfq/xfs/10dd commit: = e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 30460 =C2=B1 0% +34.3% 40920 =C2=B1 0% softirqs.BLOCK 231.27 =C2=B1 4% -17.3% 191.30 =C2=B1 3% uptime.idle 765.75 =C2=B1 7% +19.7% 916.50 =C2=B1 4% slabinfo.kmalloc-51= 2.active_objs 972.25 =C2=B1 8% +17.4% 1141 =C2=B1 5% slabinfo.kmalloc-51= 2.num_objs 74.00 =C2=B1 0% +15.9% 85.75 =C2=B1 10% vmstat.memory.buff 91092 =C2=B1 0% -62.3% 34370 =C2=B1 1% vmstat.memory.free 22460 =C2=B1 1% +29.2% 29026 =C2=B1 1% ftrace.global_dirty= _state.dirty 35516 =C2=B1 1% -11.0% 31615 =C2=B1 0% ftrace.global_dirty= _state.writeback 2.00 =C2=B1 0% +50.0% 3.00 =C2=B1 0% ftrace.writeback_si= ngle_inode.sda.age 4913 =C2=B1 1% +35.7% 6666 =C2=B1 1% ftrace.writeback_si= ngle_inode.sda.wrote 36958 =C2=B1 4% -67.3% 12083 =C2=B1 28% meminfo.AnonHugePag= es 89634 =C2=B1 0% +29.2% 115815 =C2=B1 1% meminfo.Dirty 1315242 =C2=B1 0% +10.4% 1451507 =C2=B1 0% meminfo.MemAvailable 87870 =C2=B1 0% -63.5% 32046 =C2=B1 2% meminfo.MemFree 142291 =C2=B1 1% -11.2% 126331 =C2=B1 0% meminfo.Writeback 2.76 =C2=B1 14% +22.8% 3.39 =C2=B1 8% perf-profile.cpu-cy= cles.__clear_user.iov_iter_zero.read_iter_zero.new_sync_read.__vfs_read 4.94 =C2=B1 16% +31.2% 6.48 =C2=B1 6% perf-profile.cpu-cy= cles.__memset.xfs_vm_write_begin.generic_perform_write.xfs_file_buffered_ai= o_write.xfs_file_write_iter 1.31 =C2=B1 34% -50.4% 0.65 =C2=B1 36% perf-profile.cpu-cy= cles.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io= .process_one_work 0.86 =C2=B1 24% -44.1% 0.48 =C2=B1 42% perf-profile.cpu-cy= cles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fa= ult 1.15 =C2=B1 27% -50.4% 0.57 =C2=B1 39% perf-profile.cpu-cy= cles.test_clear_page_writeback.end_page_writeback.end_buffer_async_write.xf= s_destroy_ioend.xfs_end_io 0.76 =C2=B1 39% +65.6% 1.26 =C2=B1 23% perf-profile.cpu-cy= cles.try_to_free_buffers.xfs_vm_releasepage.try_to_release_page.shrink_page= _list.shrink_inactive_list 0.00 =C2=B1 -1% +Inf% 9581 =C2=B1 43% latency_stats.avg.d= o_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 =C2=B1 -1% +Inf% 500330 =C2=B1 58% latency_stats.avg.x= fs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS= _write.system_call_fastpath 163371 =C2=B1 3% +26.6% 206775 =C2=B1 1% latency_stats.hits.= ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_rea= d.vfs_read.SyS_read.system_call_fastpath 0.00 =C2=B1 -1% +Inf% 32695 =C2=B1 10% latency_stats.max.d= o_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 =C2=B1 -1% +Inf% 669208 =C2=B1 18% latency_stats.max.x= fs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS= _write.system_call_fastpath 0.00 =C2=B1 -1% +Inf% 53331 =C2=B1 28% latency_stats.sum.d= o_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 =C2=B1 -1% +Inf% 706140 =C2=B1 12% latency_stats.sum.x= fs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS= _write.system_call_fastpath 394.50 =C2=B1 24% -53.2% 184.50 =C2=B1 37% sched_debug.cfs_rq[= 3]:/.load 37.00 =C2=B1 34% +51.4% 56.00 =C2=B1 17% sched_debug.cpu#1.c= pu_load[1] 84.75 =C2=B1 19% -52.8% 40.00 =C2=B1 68% sched_debug.cpu#3.c= pu_load[0] 69.25 =C2=B1 20% -50.5% 34.25 =C2=B1 34% sched_debug.cpu#3.c= pu_load[1] 50.25 =C2=B1 11% -45.8% 27.25 =C2=B1 23% sched_debug.cpu#3.c= pu_load[2] 36.25 =C2=B1 5% -37.9% 22.50 =C2=B1 22% sched_debug.cpu#3.c= pu_load[3] 394.50 =C2=B1 24% -53.2% 184.50 =C2=B1 37% sched_debug.cpu#3.l= oad 2.138e+11 =C2=B1 0% -1.4% 2.108e+11 =C2=B1 0% perf-stat.L1-dcache= -loads 2.483e+08 =C2=B1 0% -4.3% 2.376e+08 =C2=B1 0% perf-stat.L1-dcache= -prefetches 4.605e+09 =C2=B1 0% +7.8% 4.962e+09 =C2=B1 0% perf-stat.L1-icache= -load-misses 5.684e+11 =C2=B1 0% +2.0% 5.797e+11 =C2=B1 0% perf-stat.L1-icache= -loads 1.637e+08 =C2=B1 0% +15.8% 1.895e+08 =C2=B1 1% perf-stat.LLC-load-= misses 1.089e+11 =C2=B1 0% +1.3% 1.103e+11 =C2=B1 0% perf-stat.branch-lo= ads 8.163e+10 =C2=B1 0% +2.9% 8.396e+10 =C2=B1 1% perf-stat.bus-cycles 3.116e+08 =C2=B1 1% +9.6% 3.415e+08 =C2=B1 0% perf-stat.cache-mis= ses 9306030 =C2=B1 1% -1.4% 9171655 =C2=B1 0% perf-stat.context-s= witches 151544 =C2=B1 2% +8.3% 164060 =C2=B1 1% perf-stat.cpu-migra= tions 2.299e+08 =C2=B1 12% +25.5% 2.886e+08 =C2=B1 10% perf-stat.dTLB-load= -misses 8302411 =C2=B1 3% +17.4% 9747172 =C2=B1 2% perf-stat.iTLB-load= -misses 7.348e+11 =C2=B1 0% +2.3% 7.515e+11 =C2=B1 0% perf-stat.ref-cycles 52222 =C2=B1 6% -72.6% 14324 =C2=B1 28% proc-vmstat.compact= _isolated 42280 =C2=B1 10% -71.6% 11991 =C2=B1 35% proc-vmstat.compact= _migrate_scanned 5320 =C2=B1 1% -99.9% 6.50 =C2=B1 35% proc-vmstat.kswapd_= high_wmark_hit_quickly 3377 =C2=B1 13% +602.5% 23725 =C2=B1 1% proc-vmstat.kswapd_= low_wmark_hit_quickly 1446 =C2=B1 0% -86.9% 190.00 =C2=B1 4% proc-vmstat.nr_allo= c_batch 22517 =C2=B1 0% +28.9% 29013 =C2=B1 1% proc-vmstat.nr_dirty 21984 =C2=B1 0% -63.5% 8021 =C2=B1 2% proc-vmstat.nr_free= _pages 1142 =C2=B1 15% -24.3% 864.75 =C2=B1 4% proc-vmstat.nr_vmsc= an_immediate_reclaim 35464 =C2=B1 1% -11.0% 31557 =C2=B1 0% proc-vmstat.nr_writ= eback 8844 =C2=B1 4% +169.2% 23813 =C2=B1 1% proc-vmstat.pageout= run 17473 =C2=B1 0% -91.7% 1447 =C2=B1 33% proc-vmstat.pgalloc= _dma 24252 =C2=B1 5% -74.5% 6188 =C2=B1 25% proc-vmstat.pgmigra= te_success 16476 =C2=B1 0% -94.4% 925.00 =C2=B1 48% proc-vmstat.pgrefil= l_dma 8267 =C2=B1 9% +816.4% 75755 =C2=B1 8% proc-vmstat.pgscan_= direct_dma32 16728 =C2=B1 0% -94.5% 927.50 =C2=B1 38% proc-vmstat.pgscan_= kswapd_dma 8267 =C2=B1 9% +128.8% 18917 =C2=B1 8% proc-vmstat.pgsteal= _direct_dma32 15954 =C2=B1 0% -97.0% 483.75 =C2=B1 59% proc-vmstat.pgsteal= _kswapd_dma =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/disk/iosched/f= s/nr_threads: bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance= /1HDD/cfq/xfs/1dd commit: = e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 3.50 =C2=B1 14% +1750.0% 64.75 =C2=B1 15% ftrace.writeback_si= ngle_inode.sda.age 471.00 =C2=B1 2% +28.9% 607.00 =C2=B1 5% slabinfo.blkdev_req= uests.active_objs 476.25 =C2=B1 1% +29.6% 617.25 =C2=B1 4% slabinfo.blkdev_req= uests.num_objs 10396 =C2=B1 1% +45.5% 15129 =C2=B1 0% softirqs.BLOCK 37406 =C2=B1 3% +18.5% 44317 =C2=B1 4% softirqs.RCU 25121 =C2=B1 5% -59.5% 10170 =C2=B1 12% meminfo.AnonHugePag= es 1332448 =C2=B1 0% +10.1% 1466476 =C2=B1 0% meminfo.MemAvailable 89924 =C2=B1 0% -63.0% 33289 =C2=B1 0% meminfo.MemFree 69.25 =C2=B1 2% +32.9% 92.00 =C2=B1 11% vmstat.memory.buff 90542 =C2=B1 1% -62.6% 33856 =C2=B1 0% vmstat.memory.free 17946 =C2=B1 2% -8.6% 16406 =C2=B1 4% vmstat.system.cs 6455037 =C2=B1100% -99.7% 19975 =C2=B1173% latency_stats.avg.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.= vfs_write.SyS_write.system_call_fastpath 108228 =C2=B1 3% +34.7% 145793 =C2=B1 5% latency_stats.hits.= pipe_wait.pipe_read.new_sync_read.__vfs_read.vfs_read.SyS_read.system_call_= fastpath 52101 =C2=B1 1% +140.2% 125153 =C2=B1 2% latency_stats.hits.= ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_rea= d.vfs_read.SyS_read.system_call_fastpath 6737920 =C2=B1100% -99.7% 19975 =C2=B1173% latency_stats.max.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.= vfs_write.SyS_write.system_call_fastpath 572233 =C2=B1 87% -41.2% 336545 =C2=B1 3% latency_stats.max.w= ait_on_page_bit.truncate_inode_pages_range.truncate_pagecache.truncate_sets= ize.xfs_setattr_size.xfs_vn_setattr.notify_change.do_truncate.do_sys_ftrunc= ate.SyS_ftruncate.system_call_fastpath 9804520 =C2=B1112% -99.8% 19975 =C2=B1173% latency_stats.sum.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.= vfs_write.SyS_write.system_call_fastpath 5007 =C2=B1 0% -99.8% 8.50 =C2=B1 35% proc-vmstat.kswapd_= high_wmark_hit_quickly 4012 =C2=B1 5% +584.2% 27456 =C2=B1 2% proc-vmstat.kswapd_= low_wmark_hit_quickly 1441 =C2=B1 0% -87.2% 184.75 =C2=B1 2% proc-vmstat.nr_allo= c_batch 22489 =C2=B1 0% -63.0% 8329 =C2=B1 0% proc-vmstat.nr_free= _pages 853.75 =C2=B1 6% +31.1% 1119 =C2=B1 8% proc-vmstat.nr_vmsc= an_immediate_reclaim 9282 =C2=B1 2% +196.4% 27510 =C2=B1 2% proc-vmstat.pageout= run 15361 =C2=B1 12% -95.3% 717.00 =C2=B1 37% proc-vmstat.pgalloc= _dma 14328 =C2=B1 12% -98.3% 249.75 =C2=B1 79% proc-vmstat.pgrefil= l_dma 14670 =C2=B1 12% -97.8% 321.50 =C2=B1 2% proc-vmstat.pgscan_= kswapd_dma 13886 =C2=B1 13% -100.0% 0.00 =C2=B1 -1% proc-vmstat.pgsteal= _kswapd_dma 108.75 =C2=B1 29% -43.2% 61.75 =C2=B1 31% sched_debug.cfs_rq[= 2]:/.runnable_load_avg 396.25 =C2=B1 20% -45.9% 214.50 =C2=B1 18% sched_debug.cfs_rq[= 2]:/.utilization_load_avg 664.00 =C2=B1 34% +144.8% 1625 =C2=B1 59% sched_debug.cfs_rq[= 3]:/.blocked_load_avg 738.75 =C2=B1 31% +132.6% 1718 =C2=B1 57% sched_debug.cfs_rq[= 3]:/.tg_load_contrib 34.75 =C2=B1 36% +86.3% 64.75 =C2=B1 22% sched_debug.cpu#0.c= pu_load[2] 29.00 =C2=B1 23% +92.2% 55.75 =C2=B1 28% sched_debug.cpu#0.c= pu_load[3] 69144 =C2=B1 1% +17.7% 81411 =C2=B1 13% sched_debug.cpu#1.n= r_load_updates 107.75 =C2=B1 22% -39.9% 64.75 =C2=B1 23% sched_debug.cpu#2.c= pu_load[0] 2359 =C2=B1 26% -57.2% 1009 =C2=B1 34% sched_debug.cpu#2.c= urr->pid 414.50 =C2=B1 10% -32.8% 278.75 =C2=B1 23% sched_debug.cpu#2.l= oad 184007 =C2=B1 12% +299.5% 735051 =C2=B1 61% sched_debug.cpu#3.s= ched_goidle 1.55 =C2=B1 12% +27.2% 1.97 =C2=B1 9% perf-profile.cpu-cy= cles.__xfs_get_blocks.xfs_get_blocks.__block_write_begin.xfs_vm_write_begin= .generic_perform_write 1.34 =C2=B1 22% +46.9% 1.97 =C2=B1 24% perf-profile.cpu-cy= cles.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86= _64_start_kernel 1.30 =C2=B1 20% -34.7% 0.85 =C2=B1 8% perf-profile.cpu-cy= cles.down_write.xfs_ilock.xfs_file_buffered_aio_write.xfs_file_write_iter.n= ew_sync_write 0.30 =C2=B1 16% +109.0% 0.62 =C2=B1 50% perf-profile.cpu-cy= cles.fsnotify.vfs_read.sys_read.system_call_fastpath 12.11 =C2=B1 9% +19.3% 14.44 =C2=B1 9% perf-profile.cpu-cy= cles.kthread.ret_from_fork 1.34 =C2=B1 22% +46.9% 1.97 =C2=B1 24% perf-profile.cpu-cy= cles.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 12.13 =C2=B1 9% +19.0% 14.44 =C2=B1 9% perf-profile.cpu-cy= cles.ret_from_fork 1.36 =C2=B1 21% -49.5% 0.69 =C2=B1 11% perf-profile.cpu-cy= cles.rw_verify_area.vfs_write.sys_write.system_call_fastpath 0.93 =C2=B1 27% -57.1% 0.40 =C2=B1 30% perf-profile.cpu-cy= cles.security_file_permission.rw_verify_area.vfs_write.sys_write.system_cal= l_fastpath 1.34 =C2=B1 22% +46.9% 1.97 =C2=B1 24% perf-profile.cpu-cy= cles.start_kernel.x86_64_start_reservations.x86_64_start_kernel 0.80 =C2=B1 31% +76.3% 1.41 =C2=B1 15% perf-profile.cpu-cy= cles.tracing_read_pipe.__vfs_read.vfs_read.sys_read.system_call_fastpath 1.34 =C2=B1 22% +46.9% 1.97 =C2=B1 24% perf-profile.cpu-cy= cles.x86_64_start_kernel 1.34 =C2=B1 22% +46.9% 1.97 =C2=B1 24% perf-profile.cpu-cy= cles.x86_64_start_reservations.x86_64_start_kernel 2.39e+11 =C2=B1 1% -2.5% 2.33e+11 =C2=B1 1% perf-stat.L1-dcache= -loads 2.559e+08 =C2=B1 2% +4.3% 2.669e+08 =C2=B1 1% perf-stat.L1-dcache= -prefetches 4.836e+09 =C2=B1 2% +7.5% 5.197e+09 =C2=B1 0% perf-stat.L1-icache= -load-misses 6.191e+11 =C2=B1 1% +3.2% 6.387e+11 =C2=B1 1% perf-stat.L1-icache= -loads 1.187e+08 =C2=B1 1% +29.7% 1.54e+08 =C2=B1 2% perf-stat.LLC-load-= misses 1.355e+09 =C2=B1 4% +9.5% 1.484e+09 =C2=B1 4% perf-stat.LLC-loads 1.104e+08 =C2=B1 1% +12.9% 1.246e+08 =C2=B1 1% perf-stat.LLC-store= -misses 1.244e+09 =C2=B1 3% -6.7% 1.161e+09 =C2=B1 1% perf-stat.branch-mi= sses 2.697e+08 =C2=B1 0% +25.1% 3.373e+08 =C2=B1 2% perf-stat.cache-mis= ses 10825819 =C2=B1 2% -8.6% 9891678 =C2=B1 4% perf-stat.context-s= witches 63968 =C2=B1 1% +54.6% 98882 =C2=B1 2% perf-stat.cpu-migra= tions 2.385e+11 =C2=B1 1% -3.0% 2.314e+11 =C2=B1 1% perf-stat.dTLB-loads 5457543 =C2=B1 7% +22.7% 6698136 =C2=B1 5% perf-stat.iTLB-load= -misses =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/period/nr_threads/disk/fs/size/= filenum/rwmode/iomode: lkp-ws02/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/600s/100= %/1HDD/btrfs/64G/1024f/rndrd/sync commit: = e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 6708548 =C2=B1 0% +1.8% 6832358 =C2=B1 0% fileio.time.file_sy= stem_inputs 27192978 =C2=B1 10% +24.2% 33781232 =C2=B1 9% cpuidle.C1-NHM.time 291264 =C2=B1 3% -19.2% 235461 =C2=B1 2% cpuidle.C1-NHM.usage 256.25 =C2=B1 5% -8.5% 234.50 =C2=B1 4% cpuidle.POLL.usage 6927467 =C2=B1122% -77.4% 1563952 =C2=B1100% latency_stats.avg.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.= vfs_write.SyS_write.system_call_fastpath 126552 =C2=B1 73% -100.0% 0.00 =C2=B1 -1% latency_stats.avg.w= ait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].= btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_f= datawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].bt= rfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 304943 =C2=B1 3% -18.4% 248685 =C2=B1 2% latency_stats.hits.= pipe_wait.pipe_read.new_sync_read.__vfs_read.vfs_read.SyS_read.system_call_= fastpath 31145 =C2=B1133% -24.8% 23416 =C2=B1 0% latency_stats.max.b= lk_execute_rq.scsi_execute.scsi_execute_req_flags.ses_recv_diag.[ses].ses_e= nclosure_data_process.[ses].ses_match_to_enclosure.[ses].ses_intf_add.[ses]= .class_interface_register.scsi_register_interface.0xffffffffa0006013.do_one= _initcall.do_init_module 242127 =C2=B1 74% -100.0% 0.00 =C2=B1 -1% latency_stats.max.w= ait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].= btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_f= datawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].bt= rfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 253104 =C2=B1 73% -100.0% 0.00 =C2=B1 -1% latency_stats.sum.w= ait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].= btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_f= datawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].bt= rfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 1452770 =C2=B1 9% +519.6% 9001196 =C2=B1 47% numa-numastat.node0= .local_node 166456 =C2=B1143% +3090.2% 5310291 =C2=B1 56% numa-numastat.node0= .numa_foreign 1452773 =C2=B1 9% +519.6% 9001200 =C2=B1 47% numa-numastat.node0= .numa_hit 7153013 =C2=B1 3% -75.4% 1761824 =C2=B1164% numa-numastat.node0= .numa_miss 7153016 =C2=B1 3% -75.4% 1761828 =C2=B1164% numa-numastat.node0= .other_node 7153013 =C2=B1 3% -75.4% 1761824 =C2=B1164% numa-numastat.node1= .numa_foreign 166456 =C2=B1143% +3090.2% 5310291 =C2=B1 56% numa-numastat.node1= .numa_miss 166473 =C2=B1143% +3089.9% 5310296 =C2=B1 56% numa-numastat.node1= .other_node 1128 =C2=B1 2% -39.1% 687.00 =C2=B1 35% slabinfo.bio-1.acti= ve_objs 1128 =C2=B1 2% -36.2% 719.75 =C2=B1 30% slabinfo.bio-1.num_= objs 206.75 =C2=B1 4% -43.4% 117.00 =C2=B1 34% slabinfo.btrfs_tran= saction.active_objs 206.75 =C2=B1 4% -43.4% 117.00 =C2=B1 34% slabinfo.btrfs_tran= saction.num_objs 614.00 =C2=B1 5% -18.0% 503.25 =C2=B1 11% slabinfo.ext4_free_= data.active_objs 614.00 =C2=B1 5% -18.0% 503.25 =C2=B1 11% slabinfo.ext4_free_= data.num_objs 1241 =C2=B1 5% -13.2% 1076 =C2=B1 10% slabinfo.file_lock_= ctx.active_objs 1241 =C2=B1 5% -13.2% 1076 =C2=B1 10% slabinfo.file_lock_= ctx.num_objs 3644 =C2=B1 2% -9.0% 3317 =C2=B1 5% slabinfo.kmalloc-10= 24.active_objs 1505 =C2=B1 1% -59.8% 605.75 =C2=B1 5% proc-vmstat.kswapd_= high_wmark_hit_quickly 53.00 =C2=B1 15% +19436.8% 10354 =C2=B1 1% proc-vmstat.kswapd_= low_wmark_hit_quickly 3246 =C2=B1 2% -82.2% 577.50 =C2=B1 0% proc-vmstat.nr_allo= c_batch 905.25 =C2=B1 54% -72.2% 251.25 =C2=B1 38% proc-vmstat.numa_hi= nt_faults 836.50 =C2=B1 63% -72.8% 227.50 =C2=B1 28% proc-vmstat.numa_hi= nt_faults_local 1003 =C2=B1 42% -72.3% 278.25 =C2=B1 15% proc-vmstat.numa_pt= e_updates 3357 =C2=B1 0% +296.0% 13296 =C2=B1 1% proc-vmstat.pageout= run 412.00 =C2=B1 40% +666.0% 3155 =C2=B1 18% proc-vmstat.pgscan_= direct_dma32 1192 =C2=B1 24% +1926.9% 24174 =C2=B1 17% proc-vmstat.pgscan_= direct_normal 1673 =C2=B1 3% +13.6% 1900 =C2=B1 6% proc-vmstat.working= set_activate 186101 =C2=B1 1% +39.2% 259051 =C2=B1 15% numa-meminfo.node0.= Active 175144 =C2=B1 0% +43.7% 251597 =C2=B1 16% numa-meminfo.node0.= Active(file) 8061 =C2=B1 34% -34.6% 5270 =C2=B1 0% numa-meminfo.node0.= Mapped 874427 =C2=B1 0% -46.8% 464786 =C2=B1 46% numa-meminfo.node0.= MemFree 88387 =C2=B1 0% +20.4% 106421 =C2=B1 8% numa-meminfo.node0.= Slab 286764 =C2=B1 0% -25.1% 214834 =C2=B1 18% numa-meminfo.node1.= Active 275866 =C2=B1 0% -27.5% 200006 =C2=B1 21% numa-meminfo.node1.= Active(file) 1072 =C2=B1 8% -32.2% 727.50 =C2=B1 24% numa-meminfo.node1.= Dirty 87375 =C2=B1 1% -18.7% 71059 =C2=B1 13% numa-meminfo.node1.= SReclaimable 21629 =C2=B1 5% -11.0% 19250 =C2=B1 2% numa-meminfo.node1.= SUnreclaim 109004 =C2=B1 0% -17.1% 90310 =C2=B1 11% numa-meminfo.node1.= Slab 43785 =C2=B1 0% +43.7% 62898 =C2=B1 16% numa-vmstat.node0.n= r_active_file 1837 =C2=B1 1% -85.3% 270.25 =C2=B1 0% numa-vmstat.node0.n= r_alloc_batch 218616 =C2=B1 0% -46.8% 116208 =C2=B1 46% numa-vmstat.node0.n= r_free_pages 2015 =C2=B1 34% -34.6% 1317 =C2=B1 0% numa-vmstat.node0.n= r_mapped 34180 =C2=B1144% +10851.6% 3743275 =C2=B1 57% numa-vmstat.node0.n= uma_foreign 767794 =C2=B1 3% +689.8% 6064164 =C2=B1 50% numa-vmstat.node0.n= uma_hit 707070 =C2=B1 3% +749.1% 6003501 =C2=B1 50% numa-vmstat.node0.n= uma_local 5022883 =C2=B1 1% -75.4% 1236569 =C2=B1170% numa-vmstat.node0.n= uma_miss 5083607 =C2=B1 1% -74.5% 1297231 =C2=B1162% numa-vmstat.node0.n= uma_other 605.25 =C2=B1 3% +78.0% 1077 =C2=B1 24% numa-vmstat.node0.w= orkingset_activate 68966 =C2=B1 0% -27.5% 50001 =C2=B1 21% numa-vmstat.node1.n= r_active_file 1433 =C2=B1 2% -81.5% 265.75 =C2=B1 1% numa-vmstat.node1.n= r_alloc_batch 21843 =C2=B1 1% -18.7% 17764 =C2=B1 13% numa-vmstat.node1.n= r_slab_reclaimable 5406 =C2=B1 5% -11.0% 4812 =C2=B1 2% numa-vmstat.node1.n= r_slab_unreclaimable 5022889 =C2=B1 1% -75.4% 1236573 =C2=B1170% numa-vmstat.node1.n= uma_foreign 34182 =C2=B1144% +10851.0% 3743283 =C2=B1 57% numa-vmstat.node1.n= uma_miss 38048 =C2=B1129% +9748.4% 3747130 =C2=B1 57% numa-vmstat.node1.n= uma_other 1696 =C2=B1 30% -70.6% 498.25 =C2=B1 18% sched_debug.cfs_rq[= 10]:/.avg->runnable_avg_sum 10699 =C2=B1 18% -48.9% 5471 =C2=B1 57% sched_debug.cfs_rq[= 10]:/.exec_clock 31648 =C2=B1 36% -58.8% 13052 =C2=B1 59% sched_debug.cfs_rq[= 10]:/.min_vruntime 493.00 =C2=B1 16% -29.9% 345.75 =C2=B1 6% sched_debug.cfs_rq[= 10]:/.tg->runnable_avg 36.00 =C2=B1 32% -72.9% 9.75 =C2=B1 16% sched_debug.cfs_rq[= 10]:/.tg_runnable_contrib 166.75 =C2=B1 32% -60.0% 66.75 =C2=B1 47% sched_debug.cfs_rq[= 11]:/.blocked_load_avg 9322 =C2=B1 21% -53.0% 4380 =C2=B1 41% sched_debug.cfs_rq[= 11]:/.exec_clock 23106 =C2=B1 28% -57.7% 9765 =C2=B1 34% sched_debug.cfs_rq[= 11]:/.min_vruntime 11778 =C2=B1 54% -791.7% -81472 =C2=B1-61% sched_debug.cfs_rq[= 11]:/.spread0 493.50 =C2=B1 14% -29.7% 346.75 =C2=B1 5% sched_debug.cfs_rq[= 11]:/.tg->runnable_avg 168.25 =C2=B1 32% -59.9% 67.50 =C2=B1 47% sched_debug.cfs_rq[= 11]:/.tg_load_contrib 498.50 =C2=B1 15% -29.6% 351.00 =C2=B1 4% sched_debug.cfs_rq[= 12]:/.tg->runnable_avg 1718 =C2=B1 13% +28.9% 2214 =C2=B1 9% sched_debug.cfs_rq[= 13]:/.exec_clock 501.25 =C2=B1 14% -28.7% 357.25 =C2=B1 5% sched_debug.cfs_rq[= 13]:/.tg->runnable_avg 506.50 =C2=B1 15% -30.6% 351.75 =C2=B1 4% sched_debug.cfs_rq[= 14]:/.tg->runnable_avg 1210 =C2=B1 9% +42.4% 1723 =C2=B1 10% sched_debug.cfs_rq[= 15]:/.exec_clock 6566 =C2=B1 9% +17.6% 7721 =C2=B1 10% sched_debug.cfs_rq[= 15]:/.min_vruntime 511.25 =C2=B1 14% -30.6% 355.00 =C2=B1 3% sched_debug.cfs_rq[= 15]:/.tg->runnable_avg 515.50 =C2=B1 14% -30.4% 358.75 =C2=B1 3% sched_debug.cfs_rq[= 16]:/.tg->runnable_avg -3588 =C2=B1-25% +2233.9% -83744 =C2=B1-54% sched_debug.cfs_rq[= 17]:/.spread0 520.25 =C2=B1 13% -30.7% 360.75 =C2=B1 3% sched_debug.cfs_rq[= 17]:/.tg->runnable_avg 2859 =C2=B1 73% -51.2% 1394 =C2=B1 14% sched_debug.cfs_rq[= 18]:/.exec_clock 11966 =C2=B1 67% -45.0% 6585 =C2=B1 9% sched_debug.cfs_rq[= 18]:/.min_vruntime 524.75 =C2=B1 13% -30.7% 363.50 =C2=B1 3% sched_debug.cfs_rq[= 18]:/.tg->runnable_avg 523.50 =C2=B1 12% -29.7% 368.00 =C2=B1 4% sched_debug.cfs_rq[= 19]:/.tg->runnable_avg 2926 =C2=B1 5% +48.9% 4356 =C2=B1 18% sched_debug.cfs_rq[= 1]:/.exec_clock 8401 =C2=B1 6% +30.1% 10932 =C2=B1 6% sched_debug.cfs_rq[= 1]:/.min_vruntime 527.50 =C2=B1 11% -29.5% 372.00 =C2=B1 3% sched_debug.cfs_rq[= 20]:/.tg->runnable_avg 2098 =C2=B1 46% -35.1% 1362 =C2=B1 3% sched_debug.cfs_rq[= 21]:/.exec_clock 532.00 =C2=B1 11% -28.9% 378.00 =C2=B1 3% sched_debug.cfs_rq[= 21]:/.tg->runnable_avg 537.25 =C2=B1 12% -28.7% 383.00 =C2=B1 3% sched_debug.cfs_rq[= 22]:/.tg->runnable_avg 3184 =C2=B1291% -2728.3% -83710 =C2=B1-57% sched_debug.cfs_rq[= 23]:/.spread0 541.50 =C2=B1 11% -28.9% 385.25 =C2=B1 3% sched_debug.cfs_rq[= 23]:/.tg->runnable_avg 3163 =C2=B1 3% +19.4% 3776 =C2=B1 8% sched_debug.cfs_rq[= 2]:/.exec_clock 0.75 =C2=B1110% +400.0% 3.75 =C2=B1 47% sched_debug.cfs_rq[= 2]:/.runnable_load_avg 555.50 =C2=B1 18% -20.2% 443.25 =C2=B1 14% sched_debug.cfs_rq[= 2]:/.tg->runnable_avg 8390 =C2=B1 2% +23.8% 10384 =C2=B1 8% sched_debug.cfs_rq[= 3]:/.min_vruntime 549.75 =C2=B1 18% -19.5% 442.75 =C2=B1 14% sched_debug.cfs_rq[= 3]:/.tg->runnable_avg 68.00 =C2=B1 40% +171.3% 184.50 =C2=B1 26% sched_debug.cfs_rq[= 4]:/.blocked_load_avg 2824 =C2=B1 14% +30.4% 3682 =C2=B1 9% sched_debug.cfs_rq[= 4]:/.exec_clock 545.50 =C2=B1 16% -22.6% 422.25 =C2=B1 11% sched_debug.cfs_rq[= 4]:/.tg->runnable_avg 69.75 =C2=B1 39% +171.0% 189.00 =C2=B1 25% sched_debug.cfs_rq[= 4]:/.tg_load_contrib 7824 =C2=B1 17% +24.4% 9733 =C2=B1 7% sched_debug.cfs_rq[= 5]:/.min_vruntime 518.25 =C2=B1 16% -22.7% 400.50 =C2=B1 11% sched_debug.cfs_rq[= 5]:/.tg->runnable_avg 1599 =C2=B1 51% -62.1% 605.50 =C2=B1 25% sched_debug.cfs_rq[= 7]:/.avg->runnable_avg_sum 15577 =C2=B1 38% -69.7% 4721 =C2=B1 67% sched_debug.cfs_rq[= 7]:/.exec_clock 37096 =C2=B1 35% -68.1% 11832 =C2=B1 56% sched_debug.cfs_rq[= 7]:/.min_vruntime 25768 =C2=B1 49% -408.1% -79404 =C2=B1-67% sched_debug.cfs_rq[= 7]:/.spread0 491.50 =C2=B1 16% -27.1% 358.50 =C2=B1 10% sched_debug.cfs_rq[= 7]:/.tg->runnable_avg 34.00 =C2=B1 52% -64.0% 12.25 =C2=B1 27% sched_debug.cfs_rq[= 7]:/.tg_runnable_contrib 1949 =C2=B1 23% -55.6% 865.75 =C2=B1 70% sched_debug.cfs_rq[= 8]:/.avg->runnable_avg_sum 25183 =C2=B1 51% -54.8% 11375 =C2=B1 44% sched_debug.cfs_rq[= 8]:/.min_vruntime 13855 =C2=B1 94% -676.4% -79862 =C2=B1-64% sched_debug.cfs_rq[= 8]:/.spread0 492.25 =C2=B1 16% -28.9% 349.75 =C2=B1 6% sched_debug.cfs_rq[= 8]:/.tg->runnable_avg 41.25 =C2=B1 24% -57.0% 17.75 =C2=B1 73% sched_debug.cfs_rq[= 8]:/.tg_runnable_contrib 494.00 =C2=B1 16% -28.6% 352.50 =C2=B1 6% sched_debug.cfs_rq[= 9]:/.tg->runnable_avg 46021 =C2=B1 28% +155.5% 117598 =C2=B1 31% sched_debug.cpu#0.n= r_load_updates -52.75 =C2=B1 -8% +26.5% -66.75 =C2=B1 -6% sched_debug.cpu#0.n= r_uninterruptible 77978 =C2=B1 37% +70.5% 132942 =C2=B1 22% sched_debug.cpu#0.t= twu_count 33164 =C2=B1 42% +141.3% 80030 =C2=B1 30% sched_debug.cpu#0.t= twu_local 29131 =C2=B1 2% +18.7% 34578 =C2=B1 4% sched_debug.cpu#1.n= r_load_updates 34945 =C2=B1 55% +82.2% 63667 =C2=B1 22% sched_debug.cpu#1.t= twu_count 53444 =C2=B1 11% -32.0% 36339 =C2=B1 18% sched_debug.cpu#10.= nr_load_updates 254928 =C2=B1 19% -37.0% 160497 =C2=B1 36% sched_debug.cpu#10.= nr_switches 255022 =C2=B1 19% -37.0% 160586 =C2=B1 36% sched_debug.cpu#10.= sched_count 124863 =C2=B1 20% -37.9% 77546 =C2=B1 37% sched_debug.cpu#10.= sched_goidle 62350 =C2=B1 6% -35.1% 40434 =C2=B1 25% sched_debug.cpu#10.= ttwu_count 24043 =C2=B1 13% -39.6% 14532 =C2=B1 27% sched_debug.cpu#10.= ttwu_local 48349 =C2=B1 12% -25.1% 36207 =C2=B1 17% sched_debug.cpu#11.= nr_load_updates 220073 =C2=B1 20% -43.2% 125091 =C2=B1 24% sched_debug.cpu#11.= nr_switches 220176 =C2=B1 20% -43.1% 125175 =C2=B1 24% sched_debug.cpu#11.= sched_count 107249 =C2=B1 20% -43.9% 60128 =C2=B1 25% sched_debug.cpu#11.= sched_goidle 54997 =C2=B1 15% -39.9% 33028 =C2=B1 15% sched_debug.cpu#11.= ttwu_count 11715 =C2=B1 2% +14.5% 13414 =C2=B1 3% sched_debug.cpu#14.= nr_load_updates 11624 =C2=B1 2% +14.1% 13262 =C2=B1 6% sched_debug.cpu#15.= nr_load_updates 26743 =C2=B1 35% +214.0% 83986 =C2=B1 33% sched_debug.cpu#15.= ttwu_count 11460 =C2=B1 3% +13.2% 12974 =C2=B1 4% sched_debug.cpu#16.= nr_load_updates 11441 =C2=B1 5% +10.9% 12687 =C2=B1 3% sched_debug.cpu#17.= nr_load_updates 3016 =C2=B1 3% -7.4% 2793 =C2=B1 1% sched_debug.cpu#17.= ttwu_local 29953 =C2=B1 6% +22.4% 36676 =C2=B1 2% sched_debug.cpu#2.n= r_load_updates 7674 =C2=B1 8% +32.4% 10159 =C2=B1 4% sched_debug.cpu#2.t= twu_local 12920 =C2=B1 13% +206.5% 39603 =C2=B1 17% sched_debug.cpu#20.= nr_switches 12984 =C2=B1 13% +205.5% 39667 =C2=B1 17% sched_debug.cpu#20.= sched_count 5279 =C2=B1 16% +249.0% 18423 =C2=B1 19% sched_debug.cpu#20.= sched_goidle 80631 =C2=B1 35% -54.4% 36729 =C2=B1 33% sched_debug.cpu#21.= ttwu_count 11221 =C2=B1 2% +10.5% 12400 =C2=B1 1% sched_debug.cpu#22.= nr_load_updates 9.00 =C2=B1 78% -61.1% 3.50 =C2=B1173% sched_debug.cpu#23.= cpu_load[2] 7.50 =C2=B1 86% -73.3% 2.00 =C2=B1173% sched_debug.cpu#23.= cpu_load[3] 29370 =C2=B1 4% +29.7% 38100 =C2=B1 6% sched_debug.cpu#3.n= r_load_updates 7498 =C2=B1 7% +37.2% 10286 =C2=B1 7% sched_debug.cpu#3.t= twu_local 29911 =C2=B1 12% +24.2% 37158 =C2=B1 4% sched_debug.cpu#4.n= r_load_updates 140120 =C2=B1 24% +59.9% 224002 =C2=B1 18% sched_debug.cpu#4.n= r_switches 140205 =C2=B1 24% +59.8% 224099 =C2=B1 18% sched_debug.cpu#4.s= ched_count 68431 =C2=B1 24% +60.7% 109965 =C2=B1 18% sched_debug.cpu#4.s= ched_goidle 7544 =C2=B1 7% +31.1% 9887 =C2=B1 4% sched_debug.cpu#4.t= twu_local 29295 =C2=B1 7% +21.4% 35577 =C2=B1 6% sched_debug.cpu#5.n= r_load_updates 23076 =C2=B1 21% +43.1% 33020 =C2=B1 25% sched_debug.cpu#5.t= twu_count 7228 =C2=B1 4% +34.2% 9700 =C2=B1 6% sched_debug.cpu#5.t= twu_local 6.00 =C2=B1 83% -75.0% 1.50 =C2=B1173% sched_debug.cpu#6.c= pu_load[2] 60164 =C2=B1 14% -40.5% 35793 =C2=B1 19% sched_debug.cpu#7.n= r_load_updates 3.75 =C2=B1175% -240.0% -5.25 =C2=B1-69% sched_debug.cpu#7.n= r_uninterruptible 53640 =C2=B1 18% -21.4% 42139 =C2=B1 16% sched_debug.cpu#7.t= twu_count 28043 =C2=B1 19% -51.0% 13744 =C2=B1 29% sched_debug.cpu#7.t= twu_local 6.75 =C2=B1 58% -77.8% 1.50 =C2=B1173% sched_debug.cpu#8.c= pu_load[4] 51965 =C2=B1 15% -31.7% 35508 =C2=B1 9% sched_debug.cpu#8.n= r_load_updates 22902 =C2=B1 25% -40.6% 13615 =C2=B1 12% sched_debug.cpu#8.t= twu_local 51893 =C2=B1 13% -29.9% 36371 =C2=B1 23% sched_debug.cpu#9.n= r_load_updates 56687 =C2=B1 12% -40.8% 33540 =C2=B1 43% sched_debug.cpu#9.t= twu_count 22884 =C2=B1 18% -39.3% 13901 =C2=B1 39% sched_debug.cpu#9.t= twu_local bay: Pentium D Memory: 2G lkp-ws02: Westmere-EP Memory: 16G 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 --===============7410726873392523802== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="job.yaml" LS0tCkxLUF9TRVJWRVI6IGlubgpMS1BfQ0dJX1BPUlQ6IDgwCkxLUF9DSUZTX1BPUlQ6IDEzOQp0 ZXN0Y2FzZTogZmlsZWlvCmRlZmF1bHQtbW9uaXRvcnM6CiAgd2FpdDogcHJlLXRlc3QKICB1cHRp bWU6IAogIGlvc3RhdDogCiAgdm1zdGF0OiAKICBudW1hLW51bWFzdGF0OiAKICBudW1hLXZtc3Rh dDogCiAgbnVtYS1tZW1pbmZvOiAKICBwcm9jLXZtc3RhdDogCiAgcHJvYy1zdGF0OgogICAgaW50 ZXJ2YWw6IDEwCiAgbWVtaW5mbzogCiAgc2xhYmluZm86IAogIGludGVycnVwdHM6IAogIGxvY2tf c3RhdDogCiAgbGF0ZW5jeV9zdGF0czogCiAgc29mdGlycXM6IAogIGJkaV9kZXZfbWFwcGluZzog CiAgZGlza3N0YXRzOiAKICBuZnNzdGF0OiAKICBjcHVpZGxlOiAKICBjcHVmcmVxLXN0YXRzOiAK ICB0dXJib3N0YXQ6IAogIHBtZXRlcjogCiAgc2NoZWRfZGVidWc6CiAgICBpbnRlcnZhbDogNjAK ZGVmYXVsdC13YXRjaGRvZ3M6CiAgb29tLWtpbGxlcjogCiAgd2F0Y2hkb2c6IApjcHVmcmVxX2dv dmVybm9yOiAKY29tbWl0OiBiOTUzYzBkMjM0YmM3MmU4NDg5ZDNiZjUxYTI3NmM1YzRlYzg1MzQ1 Cm1vZGVsOiBXZXN0bWVyZS1FUAptZW1vcnk6IDE2Rwpucl9oZGRfcGFydGl0aW9uczogMTEKaGRk X3BhcnRpdGlvbnM6ICIvZGV2L2Rpc2svYnktaWQvc2NzaS0zNTAwMGM1MDAqLXBhcnQxIgpzd2Fw X3BhcnRpdGlvbnM6IApyb290ZnNfcGFydGl0aW9uOiAiL2Rldi9kaXNrL2J5LWlkL2F0YS1XRENf V0QxMDAyRkFFWC0wMFozQTBfV0QtV0NBVFI1NDA4NTY0LXBhcnQzIgpwZXJpb2Q6IDYwMHMKbnJf dGhyZWFkczogMTAwJQpkaXNrOiAxSERECmZzOiBidHJmcwpzaXplOiA2NEcKZmlsZWlvOgogIGZp bGVudW06IDEwMjRmCiAgcndtb2RlOiBybmRyZAogIGlvbW9kZTogc3luYwpxdWV1ZTogY3ljbGlj CnRlc3Rib3g6IGxrcC13czAyCnRib3hfZ3JvdXA6IGxrcC13czAyCmtjb25maWc6IHg4Nl82NC1y aGVsCmVucXVldWVfdGltZTogMjAxNS0wNi0yMiAwNDoxNzoxNy4zNzY2MzM1MTMgKzA4OjAwCnVz ZXI6IGxrcApjb21waWxlcjogZ2NjLTQuOQpoZWFkX2NvbW1pdDogZTgxYThlZGM4YzlmZWYzNDVl ZjUzMzZjMTcxZWU4MWRlMTRhNmM1YQpiYXNlX2NvbW1pdDogYjk1M2MwZDIzNGJjNzJlODQ4OWQz YmY1MWEyNzZjNWM0ZWM4NTM0NQpicmFuY2g6IGxpbnV4LWRldmVsL2RldmVsLWhvdXJseS0yMDE1 MDYyMjIyCmtlcm5lbDogIi9wa2cvbGludXgveDg2XzY0LXJoZWwvZ2NjLTQuOS9iOTUzYzBkMjM0 YmM3MmU4NDg5ZDNiZjUxYTI3NmM1YzRlYzg1MzQ1L3ZtbGludXotNC4xLjAiCnJvb3RmczogZGVi aWFuLXg4Nl82NC0yMDE1LTAyLTA3LmNnegpyZXN1bHRfcm9vdDogIi9yZXN1bHQvZmlsZWlvLzYw MHMtMTAwJS0xSERELWJ0cmZzLTY0Ry0xMDI0Zi1ybmRyZC1zeW5jL2xrcC13czAyL2RlYmlhbi14 ODZfNjQtMjAxNS0wMi0wNy5jZ3oveDg2XzY0LXJoZWwvZ2NjLTQuOS9iOTUzYzBkMjM0YmM3MmU4 NDg5ZDNiZjUxYTI3NmM1YzRlYzg1MzQ1LzAiCmpvYl9maWxlOiAiL2xrcC9zY2hlZHVsZWQvbGtw LXdzMDIvY3ljbGljX2ZpbGVpby02MDBzLTEwMCUtMUhERC1idHJmcy02NEctMTAyNGYtcm5kcmQt c3luYy14ODZfNjQtcmhlbC1DWUNMSUNfQkFTRS1iOTUzYzBkMjM0YmM3MmU4NDg5ZDNiZjUxYTI3 NmM1YzRlYzg1MzQ1LTAtMjAxNTA2MjItODE5NzItN2Fzem14LnlhbWwiCmRlcXVldWVfdGltZTog MjAxNS0wNi0yMiAyMzoxMDo1NS44MjgyMzE2MzcgKzA4OjAwCm5yX2NwdTogIiQobnByb2MpIgpt YXhfdXB0aW1lOiAzNTI2LjE4MDAwMDAwMDAwMDMKaW5pdHJkOiAiL29zaW1hZ2UvZGViaWFuL2Rl Ymlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3oiCmJvb3Rsb2FkZXJfYXBwZW5kOgotIHJvb3Q9L2Rl di9yYW0wCi0gdXNlcj1sa3AKLSBqb2I9L2xrcC9zY2hlZHVsZWQvbGtwLXdzMDIvY3ljbGljX2Zp bGVpby02MDBzLTEwMCUtMUhERC1idHJmcy02NEctMTAyNGYtcm5kcmQtc3luYy14ODZfNjQtcmhl bC1DWUNMSUNfQkFTRS1iOTUzYzBkMjM0YmM3MmU4NDg5ZDNiZjUxYTI3NmM1YzRlYzg1MzQ1LTAt MjAxNTA2MjItODE5NzItN2Fzem14LnlhbWwKLSBBUkNIPXg4Nl82NAotIGtjb25maWc9eDg2XzY0 LXJoZWwKLSBicmFuY2g9bGludXgtZGV2ZWwvZGV2ZWwtaG91cmx5LTIwMTUwNjIyMjIKLSBjb21t aXQ9Yjk1M2MwZDIzNGJjNzJlODQ4OWQzYmY1MWEyNzZjNWM0ZWM4NTM0NQotIEJPT1RfSU1BR0U9 L3BrZy9saW51eC94ODZfNjQtcmhlbC9nY2MtNC45L2I5NTNjMGQyMzRiYzcyZTg0ODlkM2JmNTFh Mjc2YzVjNGVjODUzNDUvdm1saW51ei00LjEuMAotIG1heF91cHRpbWU9MzUyNgotIFJFU1VMVF9S T09UPS9yZXN1bHQvZmlsZWlvLzYwMHMtMTAwJS0xSERELWJ0cmZzLTY0Ry0xMDI0Zi1ybmRyZC1z eW5jL2xrcC13czAyL2RlYmlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3oveDg2XzY0LXJoZWwvZ2Nj LTQuOS9iOTUzYzBkMjM0YmM3MmU4NDg5ZDNiZjUxYTI3NmM1YzRlYzg1MzQ1LzAKLSBMS1BfU0VS VkVSPWlubgotIHwtCiAgaXBtaV93YXRjaGRvZy5zdGFydF9ub3c9MQoKICBlYXJseXByaW50az10 dHlTMCwxMTUyMDAgc3lzdGVtZC5sb2dfbGV2ZWw9ZXJyCiAgZGVidWcgYXBpYz1kZWJ1ZyBzeXNy cV9hbHdheXNfZW5hYmxlZCByY3VwZGF0ZS5yY3VfY3B1X3N0YWxsX3RpbWVvdXQ9MTAwCiAgcGFu aWM9LTEgc29mdGxvY2t1cF9wYW5pYz0xIG5taV93YXRjaGRvZz1wYW5pYyBvb3BzPXBhbmljIGxv YWRfcmFtZGlzaz0yIHByb21wdF9yYW1kaXNrPTAKICBjb25zb2xlPXR0eVMwLDExNTIwMCBjb25z b2xlPXR0eTAgdmdhPW5vcm1hbAoKICBydwpsa3BfaW5pdHJkOiAiL2xrcC9sa3AvbGtwLXg4Nl82 NC5jZ3oiCm1vZHVsZXNfaW5pdHJkOiAiL3BrZy9saW51eC94ODZfNjQtcmhlbC9nY2MtNC45L2I5 NTNjMGQyMzRiYzcyZTg0ODlkM2JmNTFhMjc2YzVjNGVjODUzNDUvbW9kdWxlcy5jZ3oiCmJtX2lu aXRyZDogIi9vc2ltYWdlL2RlcHMvZGViaWFuLXg4Nl82NC0yMDE1LTAyLTA3LmNnei9sa3AuY2d6 LC9vc2ltYWdlL2RlcHMvZGViaWFuLXg4Nl82NC0yMDE1LTAyLTA3LmNnei9ydW4taXBjb25maWcu Y2d6LC9vc2ltYWdlL2RlcHMvZGViaWFuLXg4Nl82NC0yMDE1LTAyLTA3LmNnei90dXJib3N0YXQu Y2d6LC9sa3AvYmVuY2htYXJrcy90dXJib3N0YXQuY2d6LC9vc2ltYWdlL2RlcHMvZGViaWFuLXg4 Nl82NC0yMDE1LTAyLTA3LmNnei9mcy5jZ3osL29zaW1hZ2UvZGVwcy9kZWJpYW4teDg2XzY0LTIw MTUtMDItMDcuY2d6L2ZpbGVpby5jZ3oiCmpvYl9zdGF0ZTogZmluaXNoZWQKbG9hZGF2ZzogMjIu MDggMjAuNTggMTEuNzEgMS8zMTYgMzgyNQpzdGFydF90aW1lOiAnMTQzNDk4NTkxNScKZW5kX3Rp bWU6ICcxNDM0OTg3MzMyJwp2ZXJzaW9uOiAiL2xrcC9sa3AvLnNyYy0yMDE1MDYyMi0xMDEwNTIi Cg== --===============7410726873392523802== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" bWtmcyAtdCBidHJmcyAvZGV2L3NkZDEKbW91bnQgLXQgYnRyZnMgL2Rldi9zZGQxIC9mcy9zZGQx CmNkIC9mcy9zZGQxCnN5c2JlbmNoIC0tdGVzdD1maWxlaW8gLS1tYXgtcmVxdWVzdHM9MCAtLW51 bS10aHJlYWRzPTI0IC0tbWF4LXRpbWU9NjAwIC0tZmlsZS10ZXN0LW1vZGU9cm5kcmQgLS1maWxl LXRvdGFsLXNpemU9Njg3MTk0NzY3MzYgLS1maWxlLWlvLW1vZGU9c3luYyAtLWZpbGUtbnVtPTEw MjQgcHJlcGFyZQpzeXNiZW5jaCAtLXRlc3Q9ZmlsZWlvIC0tbWF4LXJlcXVlc3RzPTAgLS1udW0t dGhyZWFkcz0yNCAtLW1heC10aW1lPTYwMCAtLWZpbGUtdGVzdC1tb2RlPXJuZHJkIC0tZmlsZS10 b3RhbC1zaXplPTY4NzE5NDc2NzM2IC0tZmlsZS1pby1tb2RlPXN5bmMgLS1maWxlLW51bT0xMDI0 IHJ1bgo= --===============7410726873392523802==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757851AbbGHB6H (ORCPT ); Tue, 7 Jul 2015 21:58:07 -0400 Received: from mga01.intel.com ([192.55.52.88]:46750 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756966AbbGHB5z (ORCPT ); Tue, 7 Jul 2015 21:57:55 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,428,1432623600"; d="yaml'?scan'208";a="757971077" Message-ID: <1436320672.5489.272.camel@intel.com> Subject: [lkp] [thp] 79553da293d: +1.8% fileio.time.file_system_inputs From: Huang Ying To: "Kirill A. Shutemov" Cc: LKML , LKP ML Date: Wed, 08 Jul 2015 09:57:52 +0800 Content-Type: multipart/mixed; boundary="=-ulNhV/NCDW6RL76Xwkab" X-Mailer: Evolution 3.16.3-1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-ulNhV/NCDW6RL76Xwkab Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 79553da293d38d63097278de13e28a3b371f43c1 ("thp: cleanup khugepaged startup") ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/disk/iosched/fs/nr_threads: bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1HDD/cfq/xfs/10dd commit: e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 ---------------- -------------------------- %stddev %change %stddev \ | \ 30460 ± 0% +34.3% 40920 ± 0% softirqs.BLOCK 231.27 ± 4% -17.3% 191.30 ± 3% uptime.idle 765.75 ± 7% +19.7% 916.50 ± 4% slabinfo.kmalloc-512.active_objs 972.25 ± 8% +17.4% 1141 ± 5% slabinfo.kmalloc-512.num_objs 74.00 ± 0% +15.9% 85.75 ± 10% vmstat.memory.buff 91092 ± 0% -62.3% 34370 ± 1% vmstat.memory.free 22460 ± 1% +29.2% 29026 ± 1% ftrace.global_dirty_state.dirty 35516 ± 1% -11.0% 31615 ± 0% ftrace.global_dirty_state.writeback 2.00 ± 0% +50.0% 3.00 ± 0% ftrace.writeback_single_inode.sda.age 4913 ± 1% +35.7% 6666 ± 1% ftrace.writeback_single_inode.sda.wrote 36958 ± 4% -67.3% 12083 ± 28% meminfo.AnonHugePages 89634 ± 0% +29.2% 115815 ± 1% meminfo.Dirty 1315242 ± 0% +10.4% 1451507 ± 0% meminfo.MemAvailable 87870 ± 0% -63.5% 32046 ± 2% meminfo.MemFree 142291 ± 1% -11.2% 126331 ± 0% meminfo.Writeback 2.76 ± 14% +22.8% 3.39 ± 8% perf-profile.cpu-cycles.__clear_user.iov_iter_zero.read_iter_zero.new_sync_read.__vfs_read 4.94 ± 16% +31.2% 6.48 ± 6% perf-profile.cpu-cycles.__memset.xfs_vm_write_begin.generic_perform_write.xfs_file_buffered_aio_write.xfs_file_write_iter 1.31 ± 34% -50.4% 0.65 ± 36% perf-profile.cpu-cycles.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io.process_one_work 0.86 ± 24% -44.1% 0.48 ± 42% perf-profile.cpu-cycles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault 1.15 ± 27% -50.4% 0.57 ± 39% perf-profile.cpu-cycles.test_clear_page_writeback.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io 0.76 ± 39% +65.6% 1.26 ± 23% perf-profile.cpu-cycles.try_to_free_buffers.xfs_vm_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list 0.00 ± -1% +Inf% 9581 ± 43% latency_stats.avg.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 500330 ± 58% latency_stats.avg.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 163371 ± 3% +26.6% 206775 ± 1% latency_stats.hits.ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_read.vfs_read.SyS_read.system_call_fastpath 0.00 ± -1% +Inf% 32695 ± 10% latency_stats.max.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 669208 ± 18% latency_stats.max.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 0.00 ± -1% +Inf% 53331 ± 28% latency_stats.sum.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 706140 ± 12% latency_stats.sum.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cfs_rq[3]:/.load 37.00 ± 34% +51.4% 56.00 ± 17% sched_debug.cpu#1.cpu_load[1] 84.75 ± 19% -52.8% 40.00 ± 68% sched_debug.cpu#3.cpu_load[0] 69.25 ± 20% -50.5% 34.25 ± 34% sched_debug.cpu#3.cpu_load[1] 50.25 ± 11% -45.8% 27.25 ± 23% sched_debug.cpu#3.cpu_load[2] 36.25 ± 5% -37.9% 22.50 ± 22% sched_debug.cpu#3.cpu_load[3] 394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cpu#3.load 2.138e+11 ± 0% -1.4% 2.108e+11 ± 0% perf-stat.L1-dcache-loads 2.483e+08 ± 0% -4.3% 2.376e+08 ± 0% perf-stat.L1-dcache-prefetches 4.605e+09 ± 0% +7.8% 4.962e+09 ± 0% perf-stat.L1-icache-load-misses 5.684e+11 ± 0% +2.0% 5.797e+11 ± 0% perf-stat.L1-icache-loads 1.637e+08 ± 0% +15.8% 1.895e+08 ± 1% perf-stat.LLC-load-misses 1.089e+11 ± 0% +1.3% 1.103e+11 ± 0% perf-stat.branch-loads 8.163e+10 ± 0% +2.9% 8.396e+10 ± 1% perf-stat.bus-cycles 3.116e+08 ± 1% +9.6% 3.415e+08 ± 0% perf-stat.cache-misses 9306030 ± 1% -1.4% 9171655 ± 0% perf-stat.context-switches 151544 ± 2% +8.3% 164060 ± 1% perf-stat.cpu-migrations 2.299e+08 ± 12% +25.5% 2.886e+08 ± 10% perf-stat.dTLB-load-misses 8302411 ± 3% +17.4% 9747172 ± 2% perf-stat.iTLB-load-misses 7.348e+11 ± 0% +2.3% 7.515e+11 ± 0% perf-stat.ref-cycles 52222 ± 6% -72.6% 14324 ± 28% proc-vmstat.compact_isolated 42280 ± 10% -71.6% 11991 ± 35% proc-vmstat.compact_migrate_scanned 5320 ± 1% -99.9% 6.50 ± 35% proc-vmstat.kswapd_high_wmark_hit_quickly 3377 ± 13% +602.5% 23725 ± 1% proc-vmstat.kswapd_low_wmark_hit_quickly 1446 ± 0% -86.9% 190.00 ± 4% proc-vmstat.nr_alloc_batch 22517 ± 0% +28.9% 29013 ± 1% proc-vmstat.nr_dirty 21984 ± 0% -63.5% 8021 ± 2% proc-vmstat.nr_free_pages 1142 ± 15% -24.3% 864.75 ± 4% proc-vmstat.nr_vmscan_immediate_reclaim 35464 ± 1% -11.0% 31557 ± 0% proc-vmstat.nr_writeback 8844 ± 4% +169.2% 23813 ± 1% proc-vmstat.pageoutrun 17473 ± 0% -91.7% 1447 ± 33% proc-vmstat.pgalloc_dma 24252 ± 5% -74.5% 6188 ± 25% proc-vmstat.pgmigrate_success 16476 ± 0% -94.4% 925.00 ± 48% proc-vmstat.pgrefill_dma 8267 ± 9% +816.4% 75755 ± 8% proc-vmstat.pgscan_direct_dma32 16728 ± 0% -94.5% 927.50 ± 38% proc-vmstat.pgscan_kswapd_dma 8267 ± 9% +128.8% 18917 ± 8% proc-vmstat.pgsteal_direct_dma32 15954 ± 0% -97.0% 483.75 ± 59% proc-vmstat.pgsteal_kswapd_dma ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/disk/iosched/fs/nr_threads: bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1HDD/cfq/xfs/1dd commit: e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 ---------------- -------------------------- %stddev %change %stddev \ | \ 3.50 ± 14% +1750.0% 64.75 ± 15% ftrace.writeback_single_inode.sda.age 471.00 ± 2% +28.9% 607.00 ± 5% slabinfo.blkdev_requests.active_objs 476.25 ± 1% +29.6% 617.25 ± 4% slabinfo.blkdev_requests.num_objs 10396 ± 1% +45.5% 15129 ± 0% softirqs.BLOCK 37406 ± 3% +18.5% 44317 ± 4% softirqs.RCU 25121 ± 5% -59.5% 10170 ± 12% meminfo.AnonHugePages 1332448 ± 0% +10.1% 1466476 ± 0% meminfo.MemAvailable 89924 ± 0% -63.0% 33289 ± 0% meminfo.MemFree 69.25 ± 2% +32.9% 92.00 ± 11% vmstat.memory.buff 90542 ± 1% -62.6% 33856 ± 0% vmstat.memory.free 17946 ± 2% -8.6% 16406 ± 4% vmstat.system.cs 6455037 ±100% -99.7% 19975 ±173% latency_stats.avg.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath 108228 ± 3% +34.7% 145793 ± 5% latency_stats.hits.pipe_wait.pipe_read.new_sync_read.__vfs_read.vfs_read.SyS_read.system_call_fastpath 52101 ± 1% +140.2% 125153 ± 2% latency_stats.hits.ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_read.vfs_read.SyS_read.system_call_fastpath 6737920 ±100% -99.7% 19975 ±173% latency_stats.max.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath 572233 ± 87% -41.2% 336545 ± 3% latency_stats.max.wait_on_page_bit.truncate_inode_pages_range.truncate_pagecache.truncate_setsize.xfs_setattr_size.xfs_vn_setattr.notify_change.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 9804520 ±112% -99.8% 19975 ±173% latency_stats.sum.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath 5007 ± 0% -99.8% 8.50 ± 35% proc-vmstat.kswapd_high_wmark_hit_quickly 4012 ± 5% +584.2% 27456 ± 2% proc-vmstat.kswapd_low_wmark_hit_quickly 1441 ± 0% -87.2% 184.75 ± 2% proc-vmstat.nr_alloc_batch 22489 ± 0% -63.0% 8329 ± 0% proc-vmstat.nr_free_pages 853.75 ± 6% +31.1% 1119 ± 8% proc-vmstat.nr_vmscan_immediate_reclaim 9282 ± 2% +196.4% 27510 ± 2% proc-vmstat.pageoutrun 15361 ± 12% -95.3% 717.00 ± 37% proc-vmstat.pgalloc_dma 14328 ± 12% -98.3% 249.75 ± 79% proc-vmstat.pgrefill_dma 14670 ± 12% -97.8% 321.50 ± 2% proc-vmstat.pgscan_kswapd_dma 13886 ± 13% -100.0% 0.00 ± -1% proc-vmstat.pgsteal_kswapd_dma 108.75 ± 29% -43.2% 61.75 ± 31% sched_debug.cfs_rq[2]:/.runnable_load_avg 396.25 ± 20% -45.9% 214.50 ± 18% sched_debug.cfs_rq[2]:/.utilization_load_avg 664.00 ± 34% +144.8% 1625 ± 59% sched_debug.cfs_rq[3]:/.blocked_load_avg 738.75 ± 31% +132.6% 1718 ± 57% sched_debug.cfs_rq[3]:/.tg_load_contrib 34.75 ± 36% +86.3% 64.75 ± 22% sched_debug.cpu#0.cpu_load[2] 29.00 ± 23% +92.2% 55.75 ± 28% sched_debug.cpu#0.cpu_load[3] 69144 ± 1% +17.7% 81411 ± 13% sched_debug.cpu#1.nr_load_updates 107.75 ± 22% -39.9% 64.75 ± 23% sched_debug.cpu#2.cpu_load[0] 2359 ± 26% -57.2% 1009 ± 34% sched_debug.cpu#2.curr->pid 414.50 ± 10% -32.8% 278.75 ± 23% sched_debug.cpu#2.load 184007 ± 12% +299.5% 735051 ± 61% sched_debug.cpu#3.sched_goidle 1.55 ± 12% +27.2% 1.97 ± 9% perf-profile.cpu-cycles.__xfs_get_blocks.xfs_get_blocks.__block_write_begin.xfs_vm_write_begin.generic_perform_write 1.34 ± 22% +46.9% 1.97 ± 24% perf-profile.cpu-cycles.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 1.30 ± 20% -34.7% 0.85 ± 8% perf-profile.cpu-cycles.down_write.xfs_ilock.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write 0.30 ± 16% +109.0% 0.62 ± 50% perf-profile.cpu-cycles.fsnotify.vfs_read.sys_read.system_call_fastpath 12.11 ± 9% +19.3% 14.44 ± 9% perf-profile.cpu-cycles.kthread.ret_from_fork 1.34 ± 22% +46.9% 1.97 ± 24% perf-profile.cpu-cycles.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 12.13 ± 9% +19.0% 14.44 ± 9% perf-profile.cpu-cycles.ret_from_fork 1.36 ± 21% -49.5% 0.69 ± 11% perf-profile.cpu-cycles.rw_verify_area.vfs_write.sys_write.system_call_fastpath 0.93 ± 27% -57.1% 0.40 ± 30% perf-profile.cpu-cycles.security_file_permission.rw_verify_area.vfs_write.sys_write.system_call_fastpath 1.34 ± 22% +46.9% 1.97 ± 24% perf-profile.cpu-cycles.start_kernel.x86_64_start_reservations.x86_64_start_kernel 0.80 ± 31% +76.3% 1.41 ± 15% perf-profile.cpu-cycles.tracing_read_pipe.__vfs_read.vfs_read.sys_read.system_call_fastpath 1.34 ± 22% +46.9% 1.97 ± 24% perf-profile.cpu-cycles.x86_64_start_kernel 1.34 ± 22% +46.9% 1.97 ± 24% perf-profile.cpu-cycles.x86_64_start_reservations.x86_64_start_kernel 2.39e+11 ± 1% -2.5% 2.33e+11 ± 1% perf-stat.L1-dcache-loads 2.559e+08 ± 2% +4.3% 2.669e+08 ± 1% perf-stat.L1-dcache-prefetches 4.836e+09 ± 2% +7.5% 5.197e+09 ± 0% perf-stat.L1-icache-load-misses 6.191e+11 ± 1% +3.2% 6.387e+11 ± 1% perf-stat.L1-icache-loads 1.187e+08 ± 1% +29.7% 1.54e+08 ± 2% perf-stat.LLC-load-misses 1.355e+09 ± 4% +9.5% 1.484e+09 ± 4% perf-stat.LLC-loads 1.104e+08 ± 1% +12.9% 1.246e+08 ± 1% perf-stat.LLC-store-misses 1.244e+09 ± 3% -6.7% 1.161e+09 ± 1% perf-stat.branch-misses 2.697e+08 ± 0% +25.1% 3.373e+08 ± 2% perf-stat.cache-misses 10825819 ± 2% -8.6% 9891678 ± 4% perf-stat.context-switches 63968 ± 1% +54.6% 98882 ± 2% perf-stat.cpu-migrations 2.385e+11 ± 1% -3.0% 2.314e+11 ± 1% perf-stat.dTLB-loads 5457543 ± 7% +22.7% 6698136 ± 5% perf-stat.iTLB-load-misses ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/period/nr_threads/disk/fs/size/filenum/rwmode/iomode: lkp-ws02/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/600s/100%/1HDD/btrfs/64G/1024f/rndrd/sync commit: e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 ---------------- -------------------------- %stddev %change %stddev \ | \ 6708548 ± 0% +1.8% 6832358 ± 0% fileio.time.file_system_inputs 27192978 ± 10% +24.2% 33781232 ± 9% cpuidle.C1-NHM.time 291264 ± 3% -19.2% 235461 ± 2% cpuidle.C1-NHM.usage 256.25 ± 5% -8.5% 234.50 ± 4% cpuidle.POLL.usage 6927467 ±122% -77.4% 1563952 ±100% latency_stats.avg.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath 126552 ± 73% -100.0% 0.00 ± -1% latency_stats.avg.wait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_fdatawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 304943 ± 3% -18.4% 248685 ± 2% latency_stats.hits.pipe_wait.pipe_read.new_sync_read.__vfs_read.vfs_read.SyS_read.system_call_fastpath 31145 ±133% -24.8% 23416 ± 0% latency_stats.max.blk_execute_rq.scsi_execute.scsi_execute_req_flags.ses_recv_diag.[ses].ses_enclosure_data_process.[ses].ses_match_to_enclosure.[ses].ses_intf_add.[ses].class_interface_register.scsi_register_interface.0xffffffffa0006013.do_one_initcall.do_init_module 242127 ± 74% -100.0% 0.00 ± -1% latency_stats.max.wait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_fdatawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 253104 ± 73% -100.0% 0.00 ± -1% latency_stats.sum.wait_on_page_bit.extent_write_cache_pages.[btrfs].extent_writepages.[btrfs].btrfs_writepages.[btrfs].do_writepages.__filemap_fdatawrite_range.filemap_fdatawrite_range.btrfs_fdatawrite_range.[btrfs].start_ordered_ops.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync 1452770 ± 9% +519.6% 9001196 ± 47% numa-numastat.node0.local_node 166456 ±143% +3090.2% 5310291 ± 56% numa-numastat.node0.numa_foreign 1452773 ± 9% +519.6% 9001200 ± 47% numa-numastat.node0.numa_hit 7153013 ± 3% -75.4% 1761824 ±164% numa-numastat.node0.numa_miss 7153016 ± 3% -75.4% 1761828 ±164% numa-numastat.node0.other_node 7153013 ± 3% -75.4% 1761824 ±164% numa-numastat.node1.numa_foreign 166456 ±143% +3090.2% 5310291 ± 56% numa-numastat.node1.numa_miss 166473 ±143% +3089.9% 5310296 ± 56% numa-numastat.node1.other_node 1128 ± 2% -39.1% 687.00 ± 35% slabinfo.bio-1.active_objs 1128 ± 2% -36.2% 719.75 ± 30% slabinfo.bio-1.num_objs 206.75 ± 4% -43.4% 117.00 ± 34% slabinfo.btrfs_transaction.active_objs 206.75 ± 4% -43.4% 117.00 ± 34% slabinfo.btrfs_transaction.num_objs 614.00 ± 5% -18.0% 503.25 ± 11% slabinfo.ext4_free_data.active_objs 614.00 ± 5% -18.0% 503.25 ± 11% slabinfo.ext4_free_data.num_objs 1241 ± 5% -13.2% 1076 ± 10% slabinfo.file_lock_ctx.active_objs 1241 ± 5% -13.2% 1076 ± 10% slabinfo.file_lock_ctx.num_objs 3644 ± 2% -9.0% 3317 ± 5% slabinfo.kmalloc-1024.active_objs 1505 ± 1% -59.8% 605.75 ± 5% proc-vmstat.kswapd_high_wmark_hit_quickly 53.00 ± 15% +19436.8% 10354 ± 1% proc-vmstat.kswapd_low_wmark_hit_quickly 3246 ± 2% -82.2% 577.50 ± 0% proc-vmstat.nr_alloc_batch 905.25 ± 54% -72.2% 251.25 ± 38% proc-vmstat.numa_hint_faults 836.50 ± 63% -72.8% 227.50 ± 28% proc-vmstat.numa_hint_faults_local 1003 ± 42% -72.3% 278.25 ± 15% proc-vmstat.numa_pte_updates 3357 ± 0% +296.0% 13296 ± 1% proc-vmstat.pageoutrun 412.00 ± 40% +666.0% 3155 ± 18% proc-vmstat.pgscan_direct_dma32 1192 ± 24% +1926.9% 24174 ± 17% proc-vmstat.pgscan_direct_normal 1673 ± 3% +13.6% 1900 ± 6% proc-vmstat.workingset_activate 186101 ± 1% +39.2% 259051 ± 15% numa-meminfo.node0.Active 175144 ± 0% +43.7% 251597 ± 16% numa-meminfo.node0.Active(file) 8061 ± 34% -34.6% 5270 ± 0% numa-meminfo.node0.Mapped 874427 ± 0% -46.8% 464786 ± 46% numa-meminfo.node0.MemFree 88387 ± 0% +20.4% 106421 ± 8% numa-meminfo.node0.Slab 286764 ± 0% -25.1% 214834 ± 18% numa-meminfo.node1.Active 275866 ± 0% -27.5% 200006 ± 21% numa-meminfo.node1.Active(file) 1072 ± 8% -32.2% 727.50 ± 24% numa-meminfo.node1.Dirty 87375 ± 1% -18.7% 71059 ± 13% numa-meminfo.node1.SReclaimable 21629 ± 5% -11.0% 19250 ± 2% numa-meminfo.node1.SUnreclaim 109004 ± 0% -17.1% 90310 ± 11% numa-meminfo.node1.Slab 43785 ± 0% +43.7% 62898 ± 16% numa-vmstat.node0.nr_active_file 1837 ± 1% -85.3% 270.25 ± 0% numa-vmstat.node0.nr_alloc_batch 218616 ± 0% -46.8% 116208 ± 46% numa-vmstat.node0.nr_free_pages 2015 ± 34% -34.6% 1317 ± 0% numa-vmstat.node0.nr_mapped 34180 ±144% +10851.6% 3743275 ± 57% numa-vmstat.node0.numa_foreign 767794 ± 3% +689.8% 6064164 ± 50% numa-vmstat.node0.numa_hit 707070 ± 3% +749.1% 6003501 ± 50% numa-vmstat.node0.numa_local 5022883 ± 1% -75.4% 1236569 ±170% numa-vmstat.node0.numa_miss 5083607 ± 1% -74.5% 1297231 ±162% numa-vmstat.node0.numa_other 605.25 ± 3% +78.0% 1077 ± 24% numa-vmstat.node0.workingset_activate 68966 ± 0% -27.5% 50001 ± 21% numa-vmstat.node1.nr_active_file 1433 ± 2% -81.5% 265.75 ± 1% numa-vmstat.node1.nr_alloc_batch 21843 ± 1% -18.7% 17764 ± 13% numa-vmstat.node1.nr_slab_reclaimable 5406 ± 5% -11.0% 4812 ± 2% numa-vmstat.node1.nr_slab_unreclaimable 5022889 ± 1% -75.4% 1236573 ±170% numa-vmstat.node1.numa_foreign 34182 ±144% +10851.0% 3743283 ± 57% numa-vmstat.node1.numa_miss 38048 ±129% +9748.4% 3747130 ± 57% numa-vmstat.node1.numa_other 1696 ± 30% -70.6% 498.25 ± 18% sched_debug.cfs_rq[10]:/.avg->runnable_avg_sum 10699 ± 18% -48.9% 5471 ± 57% sched_debug.cfs_rq[10]:/.exec_clock 31648 ± 36% -58.8% 13052 ± 59% sched_debug.cfs_rq[10]:/.min_vruntime 493.00 ± 16% -29.9% 345.75 ± 6% sched_debug.cfs_rq[10]:/.tg->runnable_avg 36.00 ± 32% -72.9% 9.75 ± 16% sched_debug.cfs_rq[10]:/.tg_runnable_contrib 166.75 ± 32% -60.0% 66.75 ± 47% sched_debug.cfs_rq[11]:/.blocked_load_avg 9322 ± 21% -53.0% 4380 ± 41% sched_debug.cfs_rq[11]:/.exec_clock 23106 ± 28% -57.7% 9765 ± 34% sched_debug.cfs_rq[11]:/.min_vruntime 11778 ± 54% -791.7% -81472 ±-61% sched_debug.cfs_rq[11]:/.spread0 493.50 ± 14% -29.7% 346.75 ± 5% sched_debug.cfs_rq[11]:/.tg->runnable_avg 168.25 ± 32% -59.9% 67.50 ± 47% sched_debug.cfs_rq[11]:/.tg_load_contrib 498.50 ± 15% -29.6% 351.00 ± 4% sched_debug.cfs_rq[12]:/.tg->runnable_avg 1718 ± 13% +28.9% 2214 ± 9% sched_debug.cfs_rq[13]:/.exec_clock 501.25 ± 14% -28.7% 357.25 ± 5% sched_debug.cfs_rq[13]:/.tg->runnable_avg 506.50 ± 15% -30.6% 351.75 ± 4% sched_debug.cfs_rq[14]:/.tg->runnable_avg 1210 ± 9% +42.4% 1723 ± 10% sched_debug.cfs_rq[15]:/.exec_clock 6566 ± 9% +17.6% 7721 ± 10% sched_debug.cfs_rq[15]:/.min_vruntime 511.25 ± 14% -30.6% 355.00 ± 3% sched_debug.cfs_rq[15]:/.tg->runnable_avg 515.50 ± 14% -30.4% 358.75 ± 3% sched_debug.cfs_rq[16]:/.tg->runnable_avg -3588 ±-25% +2233.9% -83744 ±-54% sched_debug.cfs_rq[17]:/.spread0 520.25 ± 13% -30.7% 360.75 ± 3% sched_debug.cfs_rq[17]:/.tg->runnable_avg 2859 ± 73% -51.2% 1394 ± 14% sched_debug.cfs_rq[18]:/.exec_clock 11966 ± 67% -45.0% 6585 ± 9% sched_debug.cfs_rq[18]:/.min_vruntime 524.75 ± 13% -30.7% 363.50 ± 3% sched_debug.cfs_rq[18]:/.tg->runnable_avg 523.50 ± 12% -29.7% 368.00 ± 4% sched_debug.cfs_rq[19]:/.tg->runnable_avg 2926 ± 5% +48.9% 4356 ± 18% sched_debug.cfs_rq[1]:/.exec_clock 8401 ± 6% +30.1% 10932 ± 6% sched_debug.cfs_rq[1]:/.min_vruntime 527.50 ± 11% -29.5% 372.00 ± 3% sched_debug.cfs_rq[20]:/.tg->runnable_avg 2098 ± 46% -35.1% 1362 ± 3% sched_debug.cfs_rq[21]:/.exec_clock 532.00 ± 11% -28.9% 378.00 ± 3% sched_debug.cfs_rq[21]:/.tg->runnable_avg 537.25 ± 12% -28.7% 383.00 ± 3% sched_debug.cfs_rq[22]:/.tg->runnable_avg 3184 ±291% -2728.3% -83710 ±-57% sched_debug.cfs_rq[23]:/.spread0 541.50 ± 11% -28.9% 385.25 ± 3% sched_debug.cfs_rq[23]:/.tg->runnable_avg 3163 ± 3% +19.4% 3776 ± 8% sched_debug.cfs_rq[2]:/.exec_clock 0.75 ±110% +400.0% 3.75 ± 47% sched_debug.cfs_rq[2]:/.runnable_load_avg 555.50 ± 18% -20.2% 443.25 ± 14% sched_debug.cfs_rq[2]:/.tg->runnable_avg 8390 ± 2% +23.8% 10384 ± 8% sched_debug.cfs_rq[3]:/.min_vruntime 549.75 ± 18% -19.5% 442.75 ± 14% sched_debug.cfs_rq[3]:/.tg->runnable_avg 68.00 ± 40% +171.3% 184.50 ± 26% sched_debug.cfs_rq[4]:/.blocked_load_avg 2824 ± 14% +30.4% 3682 ± 9% sched_debug.cfs_rq[4]:/.exec_clock 545.50 ± 16% -22.6% 422.25 ± 11% sched_debug.cfs_rq[4]:/.tg->runnable_avg 69.75 ± 39% +171.0% 189.00 ± 25% sched_debug.cfs_rq[4]:/.tg_load_contrib 7824 ± 17% +24.4% 9733 ± 7% sched_debug.cfs_rq[5]:/.min_vruntime 518.25 ± 16% -22.7% 400.50 ± 11% sched_debug.cfs_rq[5]:/.tg->runnable_avg 1599 ± 51% -62.1% 605.50 ± 25% sched_debug.cfs_rq[7]:/.avg->runnable_avg_sum 15577 ± 38% -69.7% 4721 ± 67% sched_debug.cfs_rq[7]:/.exec_clock 37096 ± 35% -68.1% 11832 ± 56% sched_debug.cfs_rq[7]:/.min_vruntime 25768 ± 49% -408.1% -79404 ±-67% sched_debug.cfs_rq[7]:/.spread0 491.50 ± 16% -27.1% 358.50 ± 10% sched_debug.cfs_rq[7]:/.tg->runnable_avg 34.00 ± 52% -64.0% 12.25 ± 27% sched_debug.cfs_rq[7]:/.tg_runnable_contrib 1949 ± 23% -55.6% 865.75 ± 70% sched_debug.cfs_rq[8]:/.avg->runnable_avg_sum 25183 ± 51% -54.8% 11375 ± 44% sched_debug.cfs_rq[8]:/.min_vruntime 13855 ± 94% -676.4% -79862 ±-64% sched_debug.cfs_rq[8]:/.spread0 492.25 ± 16% -28.9% 349.75 ± 6% sched_debug.cfs_rq[8]:/.tg->runnable_avg 41.25 ± 24% -57.0% 17.75 ± 73% sched_debug.cfs_rq[8]:/.tg_runnable_contrib 494.00 ± 16% -28.6% 352.50 ± 6% sched_debug.cfs_rq[9]:/.tg->runnable_avg 46021 ± 28% +155.5% 117598 ± 31% sched_debug.cpu#0.nr_load_updates -52.75 ± -8% +26.5% -66.75 ± -6% sched_debug.cpu#0.nr_uninterruptible 77978 ± 37% +70.5% 132942 ± 22% sched_debug.cpu#0.ttwu_count 33164 ± 42% +141.3% 80030 ± 30% sched_debug.cpu#0.ttwu_local 29131 ± 2% +18.7% 34578 ± 4% sched_debug.cpu#1.nr_load_updates 34945 ± 55% +82.2% 63667 ± 22% sched_debug.cpu#1.ttwu_count 53444 ± 11% -32.0% 36339 ± 18% sched_debug.cpu#10.nr_load_updates 254928 ± 19% -37.0% 160497 ± 36% sched_debug.cpu#10.nr_switches 255022 ± 19% -37.0% 160586 ± 36% sched_debug.cpu#10.sched_count 124863 ± 20% -37.9% 77546 ± 37% sched_debug.cpu#10.sched_goidle 62350 ± 6% -35.1% 40434 ± 25% sched_debug.cpu#10.ttwu_count 24043 ± 13% -39.6% 14532 ± 27% sched_debug.cpu#10.ttwu_local 48349 ± 12% -25.1% 36207 ± 17% sched_debug.cpu#11.nr_load_updates 220073 ± 20% -43.2% 125091 ± 24% sched_debug.cpu#11.nr_switches 220176 ± 20% -43.1% 125175 ± 24% sched_debug.cpu#11.sched_count 107249 ± 20% -43.9% 60128 ± 25% sched_debug.cpu#11.sched_goidle 54997 ± 15% -39.9% 33028 ± 15% sched_debug.cpu#11.ttwu_count 11715 ± 2% +14.5% 13414 ± 3% sched_debug.cpu#14.nr_load_updates 11624 ± 2% +14.1% 13262 ± 6% sched_debug.cpu#15.nr_load_updates 26743 ± 35% +214.0% 83986 ± 33% sched_debug.cpu#15.ttwu_count 11460 ± 3% +13.2% 12974 ± 4% sched_debug.cpu#16.nr_load_updates 11441 ± 5% +10.9% 12687 ± 3% sched_debug.cpu#17.nr_load_updates 3016 ± 3% -7.4% 2793 ± 1% sched_debug.cpu#17.ttwu_local 29953 ± 6% +22.4% 36676 ± 2% sched_debug.cpu#2.nr_load_updates 7674 ± 8% +32.4% 10159 ± 4% sched_debug.cpu#2.ttwu_local 12920 ± 13% +206.5% 39603 ± 17% sched_debug.cpu#20.nr_switches 12984 ± 13% +205.5% 39667 ± 17% sched_debug.cpu#20.sched_count 5279 ± 16% +249.0% 18423 ± 19% sched_debug.cpu#20.sched_goidle 80631 ± 35% -54.4% 36729 ± 33% sched_debug.cpu#21.ttwu_count 11221 ± 2% +10.5% 12400 ± 1% sched_debug.cpu#22.nr_load_updates 9.00 ± 78% -61.1% 3.50 ±173% sched_debug.cpu#23.cpu_load[2] 7.50 ± 86% -73.3% 2.00 ±173% sched_debug.cpu#23.cpu_load[3] 29370 ± 4% +29.7% 38100 ± 6% sched_debug.cpu#3.nr_load_updates 7498 ± 7% +37.2% 10286 ± 7% sched_debug.cpu#3.ttwu_local 29911 ± 12% +24.2% 37158 ± 4% sched_debug.cpu#4.nr_load_updates 140120 ± 24% +59.9% 224002 ± 18% sched_debug.cpu#4.nr_switches 140205 ± 24% +59.8% 224099 ± 18% sched_debug.cpu#4.sched_count 68431 ± 24% +60.7% 109965 ± 18% sched_debug.cpu#4.sched_goidle 7544 ± 7% +31.1% 9887 ± 4% sched_debug.cpu#4.ttwu_local 29295 ± 7% +21.4% 35577 ± 6% sched_debug.cpu#5.nr_load_updates 23076 ± 21% +43.1% 33020 ± 25% sched_debug.cpu#5.ttwu_count 7228 ± 4% +34.2% 9700 ± 6% sched_debug.cpu#5.ttwu_local 6.00 ± 83% -75.0% 1.50 ±173% sched_debug.cpu#6.cpu_load[2] 60164 ± 14% -40.5% 35793 ± 19% sched_debug.cpu#7.nr_load_updates 3.75 ±175% -240.0% -5.25 ±-69% sched_debug.cpu#7.nr_uninterruptible 53640 ± 18% -21.4% 42139 ± 16% sched_debug.cpu#7.ttwu_count 28043 ± 19% -51.0% 13744 ± 29% sched_debug.cpu#7.ttwu_local 6.75 ± 58% -77.8% 1.50 ±173% sched_debug.cpu#8.cpu_load[4] 51965 ± 15% -31.7% 35508 ± 9% sched_debug.cpu#8.nr_load_updates 22902 ± 25% -40.6% 13615 ± 12% sched_debug.cpu#8.ttwu_local 51893 ± 13% -29.9% 36371 ± 23% sched_debug.cpu#9.nr_load_updates 56687 ± 12% -40.8% 33540 ± 43% sched_debug.cpu#9.ttwu_count 22884 ± 18% -39.3% 13901 ± 39% sched_debug.cpu#9.ttwu_local bay: Pentium D Memory: 2G lkp-ws02: Westmere-EP Memory: 16G To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.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 provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang --=-ulNhV/NCDW6RL76Xwkab Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: fileio default-monitors: wait: pre-test 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 default-watchdogs: oom-killer: watchdog: cpufreq_governor: commit: b953c0d234bc72e8489d3bf51a276c5c4ec85345 model: Westmere-EP memory: 16G nr_hdd_partitions: 11 hdd_partitions: "/dev/disk/by-id/scsi-35000c500*-part1" swap_partitions: rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1002FAEX-00Z3A0_WD-WCATR5408564-part3" period: 600s nr_threads: 100% disk: 1HDD fs: btrfs size: 64G fileio: filenum: 1024f rwmode: rndrd iomode: sync queue: cyclic testbox: lkp-ws02 tbox_group: lkp-ws02 kconfig: x86_64-rhel enqueue_time: 2015-06-22 04:17:17.376633513 +08:00 user: lkp compiler: gcc-4.9 head_commit: e81a8edc8c9fef345ef5336c171ee81de14a6c5a base_commit: b953c0d234bc72e8489d3bf51a276c5c4ec85345 branch: linux-devel/devel-hourly-2015062222 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/b953c0d234bc72e8489d3bf51a276c5c4ec85345/vmlinuz-4.1.0" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/fileio/600s-100%-1HDD-btrfs-64G-1024f-rndrd-sync/lkp-ws02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/b953c0d234bc72e8489d3bf51a276c5c4ec85345/0" job_file: "/lkp/scheduled/lkp-ws02/cyclic_fileio-600s-100%-1HDD-btrfs-64G-1024f-rndrd-sync-x86_64-rhel-CYCLIC_BASE-b953c0d234bc72e8489d3bf51a276c5c4ec85345-0-20150622-81972-7aszmx.yaml" dequeue_time: 2015-06-22 23:10:55.828231637 +08:00 nr_cpu: "$(nproc)" max_uptime: 3526.1800000000003 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-ws02/cyclic_fileio-600s-100%-1HDD-btrfs-64G-1024f-rndrd-sync-x86_64-rhel-CYCLIC_BASE-b953c0d234bc72e8489d3bf51a276c5c4ec85345-0-20150622-81972-7aszmx.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015062222 - commit=b953c0d234bc72e8489d3bf51a276c5c4ec85345 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/b953c0d234bc72e8489d3bf51a276c5c4ec85345/vmlinuz-4.1.0 - max_uptime=3526 - RESULT_ROOT=/result/fileio/600s-100%-1HDD-btrfs-64G-1024f-rndrd-sync/lkp-ws02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/b953c0d234bc72e8489d3bf51a276c5c4ec85345/0 - LKP_SERVER=inn - |- 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/b953c0d234bc72e8489d3bf51a276c5c4ec85345/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,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fileio.cgz" job_state: finished loadavg: 22.08 20.58 11.71 1/316 3825 start_time: '1434985915' end_time: '1434987332' version: "/lkp/lkp/.src-20150622-101052" --=-ulNhV/NCDW6RL76Xwkab Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="reproduce" Content-Transfer-Encoding: 7bit mkfs -t btrfs /dev/sdd1 mount -t btrfs /dev/sdd1 /fs/sdd1 cd /fs/sdd1 sysbench --test=fileio --max-requests=0 --num-threads=24 --max-time=600 --file-test-mode=rndrd --file-total-size=68719476736 --file-io-mode=sync --file-num=1024 prepare sysbench --test=fileio --max-requests=0 --num-threads=24 --max-time=600 --file-test-mode=rndrd --file-total-size=68719476736 --file-io-mode=sync --file-num=1024 run --=-ulNhV/NCDW6RL76Xwkab--