From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7236180255523474012==" MIME-Version: 1.0 From: Huang Ying To: lkp@lists.01.org Subject: [sched/tip] 30874f21ed9: No primary result change, +195.6% fileio.time.minor_page_faults Date: Tue, 14 Jul 2015 21:02:28 +0800 Message-ID: <1436878948.1264.6.camel@intel.com> List-Id: --===============7236180255523474012== 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/peterz/queue.git sched/core commit 30874f21ed9bf392ca910600df8bb1dbfd9beabb ("sched/tip:Prefer numa hot= ness over cache hotness") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/period/nr_thre= ads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/6= 00s/100%/1HDD/btrfs/64G/1024f/seqwr/sync commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 3746 =C2=B1 2% +3.5% 3876 =C2=B1 0% fileio.time.maximum= _resident_set_size 666.50 =C2=B1 0% +195.6% 1970 =C2=B1 2% fileio.time.minor_p= age_faults 666.50 =C2=B1 0% +195.6% 1970 =C2=B1 2% time.minor_page_fau= lts 124968 =C2=B1100% +279.4% 474125 =C2=B1100% latency_stats.avg.b= trfs_async_run_delayed_refs.[btrfs].__btrfs_end_transaction.[btrfs].btrfs_e= nd_transaction.[btrfs].btrfs_cont_expand.[btrfs].btrfs_file_write_iter.[btr= fs].__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath 16379 =C2=B1 5% +53.2% 25088 =C2=B1 18% latency_stats.sum.f= utex_wait_queue_me.futex_wait.do_futex.SyS_futex.entry_SYSCALL_64_fastpath 576.00 =C2=B1 10% +20.7% 695.25 =C2=B1 11% slabinfo.btrfs_dela= yed_data_ref.active_objs 576.00 =C2=B1 10% +20.7% 695.25 =C2=B1 11% slabinfo.btrfs_dela= yed_data_ref.num_objs 29.75 =C2=B1 20% +135.3% 70.00 =C2=B1 36% sched_debug.cfs_rq[= 2]:/.runnable_load_avg 119.50 =C2=B1 65% +186.4% 342.25 =C2=B1 32% sched_debug.cfs_rq[= 2]:/.utilization_load_avg 4219 =C2=B1 7% +33.4% 5629 =C2=B1 26% sched_debug.cfs_rq[= 3]:/.avg->runnable_avg_sum 91.00 =C2=B1 6% +34.3% 122.25 =C2=B1 26% sched_debug.cfs_rq[= 3]:/.tg_runnable_contrib 39.50 =C2=B1 61% +91.8% 75.75 =C2=B1 18% sched_debug.cpu#1.c= pu_load[0] 27.00 =C2=B1 52% +108.3% 56.25 =C2=B1 22% sched_debug.cpu#1.c= pu_load[1] 19.00 =C2=B1 34% +117.1% 41.25 =C2=B1 24% sched_debug.cpu#1.c= pu_load[2] 14.00 =C2=B1 22% +116.1% 30.25 =C2=B1 27% sched_debug.cpu#1.c= pu_load[3] 12.00 =C2=B1 26% +104.2% 24.50 =C2=B1 27% sched_debug.cpu#1.c= pu_load[4] 24.25 =C2=B1 39% +166.0% 64.50 =C2=B1 28% sched_debug.cpu#2.c= pu_load[0] 21.25 =C2=B1 34% +132.9% 49.50 =C2=B1 33% sched_debug.cpu#2.c= pu_load[1] 18.75 =C2=B1 34% +118.7% 41.00 =C2=B1 47% sched_debug.cpu#2.c= pu_load[2] 16.75 =C2=B1 39% +119.4% 36.75 =C2=B1 62% sched_debug.cpu#2.c= pu_load[3] 984.25 =C2=B1 44% +98.8% 1956 =C2=B1 26% sched_debug.cpu#2.c= urr->pid 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/period/nr_thre= ads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/6= 00s/100%/1HDD/f2fs/64G/1024f/seqwr/sync commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 668.00 =C2=B1 0% +185.1% 1904 =C2=B1 3% fileio.time.minor_p= age_faults 3504570 =C2=B1 0% -1.0% 3471202 =C2=B1 0% fileio.time.volunta= ry_context_switches 77542 =C2=B1 18% -46.6% 41420 =C2=B1 34% proc-vmstat.pgscan_= direct_dma32 668.00 =C2=B1 0% +185.1% 1904 =C2=B1 3% time.minor_page_fau= lts 26397 =C2=B1 0% -8.7% 24113 =C2=B1 13% vmstat.system.cs 0.00 =C2=B1 -1% +Inf% 1432132 =C2=B1166% 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.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 2499827 =C2=B1169% 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.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 1.28e+08 =C2=B1 0% +7.8% 1.38e+08 =C2=B1 3% latency_stats.sum.b= alance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.__= generic_file_write_iter.generic_file_write_iter.__vfs_write.vfs_write.SyS_p= write64.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 5611872 =C2=B1171% 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.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 8.50 =C2=B1105% +523.5% 53.00 =C2=B1 50% sched_debug.cfs_rq[= 0]:/.runnable_load_avg 4840 =C2=B1 24% +47.1% 7118 =C2=B1 20% sched_debug.cfs_rq[= 2]:/.avg->runnable_avg_sum 105.00 =C2=B1 24% +47.4% 154.75 =C2=B1 20% sched_debug.cfs_rq[= 2]:/.tg_runnable_contrib 4176 =C2=B1 9% +53.7% 6417 =C2=B1 20% sched_debug.cfs_rq[= 3]:/.avg->runnable_avg_sum 90.25 =C2=B1 9% +54.3% 139.25 =C2=B1 20% sched_debug.cfs_rq[= 3]:/.tg_runnable_contrib 17.75 =C2=B1 30% +260.6% 64.00 =C2=B1 65% sched_debug.cpu#0.c= pu_load[0] 1213614 =C2=B1 94% -59.3% 494542 =C2=B1 5% sched_debug.cpu#0.t= twu_count 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/period/nr_thre= ads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/6= 00s/100%/1HDD/xfs/64G/1024f/seqwr/sync commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 665.75 =C2=B1 0% +193.9% 1956 =C2=B1 2% fileio.time.minor_p= age_faults 1661 =C2=B1 4% +10.8% 1841 =C2=B1 4% proc-vmstat.pgalloc= _dma 665.75 =C2=B1 0% +193.9% 1956 =C2=B1 2% time.minor_page_fau= lts 24.00 =C2=B1 5% +24.0% 29.75 =C2=B1 6% sched_debug.cfs_rq[= 1]:/.nr_spread_over 25.00 =C2=B1 4% -21.0% 19.75 =C2=B1 19% sched_debug.cfs_rq[= 3]:/.nr_spread_over 1784 =C2=B1 37% -49.3% 904.00 =C2=B1 28% sched_debug.cpu#1.c= urr->pid 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/iterations/nr_= threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_= directory: nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/= 1x/32t/1HDD/btrfs/8K/400M/fsyncBeforeClose/16d/256fpd commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 8052 =C2=B1 0% +54.0% 12401 =C2=B1 5% fsmark.time.minor_p= age_faults 73486184 =C2=B1 4% +7.9% 79292570 =C2=B1 4% cpuidle.C3-NHM.time 8052 =C2=B1 0% +54.0% 12401 =C2=B1 5% time.minor_page_fau= lts 298.75 =C2=B1 18% +26.6% 378.25 =C2=B1 10% slabinfo.ext4_free_= data.active_objs 298.75 =C2=B1 18% +26.6% 378.25 =C2=B1 10% slabinfo.ext4_free_= data.num_objs 27801 =C2=B1 21% +35.0% 37530 =C2=B1 10% sched_debug.cfs_rq[= 0]:/.tg_load_avg 10055 =C2=B1 16% +34.7% 13540 =C2=B1 12% sched_debug.cfs_rq[= 1]:/.avg->runnable_avg_sum 27802 =C2=B1 21% +34.5% 37391 =C2=B1 9% sched_debug.cfs_rq[= 1]:/.tg_load_avg 27671 =C2=B1 21% +34.4% 37194 =C2=B1 10% sched_debug.cfs_rq[= 2]:/.tg_load_avg 27672 =C2=B1 21% +29.6% 35868 =C2=B1 15% sched_debug.cfs_rq[= 3]:/.tg_load_avg 27622 =C2=B1 21% +29.9% 35868 =C2=B1 15% sched_debug.cfs_rq[= 4]:/.tg_load_avg 27635 =C2=B1 21% +29.8% 35868 =C2=B1 15% sched_debug.cfs_rq[= 5]:/.tg_load_avg 27632 =C2=B1 21% +29.8% 35868 =C2=B1 15% sched_debug.cfs_rq[= 6]:/.tg_load_avg 27521 =C2=B1 21% +30.3% 35864 =C2=B1 15% sched_debug.cfs_rq[= 7]:/.tg_load_avg 5438 =C2=B1 31% +12265.8% 672512 =C2=B1104% sched_debug.cpu#1.t= twu_local 12.25 =C2=B1 63% +167.3% 32.75 =C2=B1 19% sched_debug.cpu#4.c= pu_load[1] 65.50 =C2=B1 21% -67.2% 21.50 =C2=B1 93% sched_debug.cpu#6.c= pu_load[2] 46.50 =C2=B1 15% -62.4% 17.50 =C2=B1 75% sched_debug.cpu#6.c= pu_load[3] 33.25 =C2=B1 16% -45.1% 18.25 =C2=B1 54% sched_debug.cpu#6.c= pu_load[4] 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/iterations/nr_= threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_= directory: nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/= 1x/32t/1HDD/btrfs/9B/400M/fsyncBeforeClose/16d/256fpd commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 10640 =C2=B1 0% +87.8% 19978 =C2=B1 2% fsmark.time.minor_p= age_faults 17490 =C2=B1 6% -75.5% 4277 =C2=B1 8% latency_stats.sum.w= ait_woken.inotify_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpa= th 10640 =C2=B1 0% +87.8% 19978 =C2=B1 2% time.minor_page_fau= lts 1533083 =C2=B1 72% -73.1% 413085 =C2=B1 1% sched_debug.cpu#1.n= r_switches 1533200 =C2=B1 72% -73.0% 413220 =C2=B1 1% sched_debug.cpu#1.s= ched_count 650722 =C2=B1 80% -81.4% 120841 =C2=B1 3% sched_debug.cpu#1.s= ched_goidle 289935 =C2=B1 60% +82.6% 529534 =C2=B1 21% sched_debug.cpu#5.a= vg_idle 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/nr_threads/mod= e/ipc: mtp-ivy1/hackbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perfo= rmance/50%/threads/socket commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 663.53 =C2=B1 0% -1.1% 656.02 =C2=B1 0% hackbench.time.elap= sed_time 663.53 =C2=B1 0% -1.1% 656.02 =C2=B1 0% hackbench.time.elap= sed_time.max 2.236e+08 =C2=B1 0% -2.4% 2.182e+08 =C2=B1 1% hackbench.time.invo= luntary_context_switches 5959 =C2=B1 0% +516.4% 36734 =C2=B1 4% hackbench.time.mino= r_page_faults 4904 =C2=B1 0% -1.1% 4850 =C2=B1 0% hackbench.time.syst= em_time 4.841e+08 =C2=B1 0% -1.9% 4.749e+08 =C2=B1 1% hackbench.time.volu= ntary_context_switches 670026 =C2=B1 31% +92.5% 1289662 =C2=B1 18% cpuidle.C3-IVB.time 5959 =C2=B1 0% +516.4% 36734 =C2=B1 4% time.minor_page_fau= lts 0.05 =C2=B1 43% +115.8% 0.10 =C2=B1 21% turbostat.Pkg%pc3 0.45 =C2=B1 9% +163.3% 1.19 =C2=B1 2% perf-profile.cpu-cy= cles.__kernel_text_address.dump_trace.save_stack_trace_tsk.__account_schedu= ler_latency.enqueue_entity 15.81 =C2=B1 1% -22.1% 12.31 =C2=B1 0% perf-profile.cpu-cy= cles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_= tsk.__account_scheduler_latency 1.69 =C2=B1 3% +13.9% 1.93 =C2=B1 3% perf-profile.cpu-cy= cles.__module_text_address.is_module_text_address.__kernel_text_address.pri= nt_context_stack.dump_trace 1.32 =C2=B1 1% -13.4% 1.15 =C2=B1 8% perf-profile.cpu-cy= cles.__switch_to 6.81 =C2=B1 2% -59.7% 2.74 =C2=B1 1% perf-profile.cpu-cy= cles.is_ftrace_trampoline.__kernel_text_address.print_context_stack.dump_tr= ace.save_stack_trace_tsk 1.78 =C2=B1 2% +73.0% 3.07 =C2=B1 1% perf-profile.cpu-cy= cles.is_module_text_address.print_context_stack.dump_trace.save_stack_trace= _tsk.__account_scheduler_latency 1.04 =C2=B1 6% +13.2% 1.18 =C2=B1 6% perf-profile.cpu-cy= cles.kfree.skb_free_head.skb_release_data.skb_release_all.consume_skb 1.41 =C2=B1 2% -10.1% 1.27 =C2=B1 2% perf-profile.cpu-cy= cles.pick_next_task_fair.__schedule.schedule.schedule_timeout.unix_stream_r= ecvmsg 1.29 =C2=B1 2% +15.1% 1.49 =C2=B1 3% perf-profile.cpu-cy= cles.rw_verify_area.vfs_read.sys_read.entry_SYSCALL_64_fastpath 0.94 =C2=B1 3% +22.4% 1.15 =C2=B1 5% perf-profile.cpu-cy= cles.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 1.05 =C2=B1 1% +18.1% 1.24 =C2=B1 6% perf-profile.cpu-cy= cles.security_file_permission.rw_verify_area.vfs_read.sys_read.entry_SYSCAL= L_64_fastpath 1.07 =C2=B1 7% +13.3% 1.21 =C2=B1 4% perf-profile.cpu-cy= cles.skb_free_head.skb_release_data.skb_release_all.consume_skb.unix_stream= _recvmsg 1.27 =C2=B1 4% +14.6% 1.46 =C2=B1 2% perf-profile.cpu-cy= cles.skb_release_data.skb_release_all.consume_skb.unix_stream_recvmsg.sock_= recvmsg 138.75 =C2=B1 10% -21.1% 109.50 =C2=B1 7% sched_debug.cfs_rq[= 0]:/.load 132.00 =C2=B1 7% -15.0% 112.25 =C2=B1 2% sched_debug.cfs_rq[= 0]:/.runnable_load_avg 746.75 =C2=B1 5% +22.1% 912.00 =C2=B1 17% sched_debug.cfs_rq[= 1]:/.utilization_load_avg 311731 =C2=B1 0% -9.3% 282874 =C2=B1 4% sched_debug.cfs_rq[= 2]:/.exec_clock 7.50 =C2=B1 29% +63.3% 12.25 =C2=B1 20% sched_debug.cfs_rq[= 2]:/.nr_spread_over 2722211 =C2=B1 1% -7.3% 2524484 =C2=B1 4% sched_debug.cfs_rq[= 3]:/.min_vruntime 16.75 =C2=B1 14% -40.3% 10.00 =C2=B1 39% sched_debug.cfs_rq[= 4]:/.nr_spread_over 2746419 =C2=B1 0% -7.2% 2550006 =C2=B1 4% sched_debug.cfs_rq[= 5]:/.min_vruntime 1014 =C2=B1 8% -16.3% 849.00 =C2=B1 16% sched_debug.cfs_rq[= 5]:/.utilization_load_avg 312033 =C2=B1 0% -7.3% 289288 =C2=B1 3% sched_debug.cfs_rq[= 6]:/.exec_clock 268.00 =C2=B1 49% +153.7% 680.00 =C2=B1 41% sched_debug.cfs_rq[= 7]:/.blocked_load_avg 2744206 =C2=B1 0% -7.5% 2537905 =C2=B1 4% sched_debug.cfs_rq[= 7]:/.min_vruntime 397.50 =C2=B1 32% +100.6% 797.25 =C2=B1 35% sched_debug.cfs_rq[= 7]:/.tg_load_contrib 136.25 =C2=B1 10% -21.5% 107.00 =C2=B1 11% sched_debug.cpu#0.l= oad 9222208 =C2=B1 1% -9.1% 8382999 =C2=B1 2% sched_debug.cpu#0.t= twu_local 30430538 =C2=B1 2% -7.1% 28271798 =C2=B1 3% sched_debug.cpu#1.t= twu_count 35870 =C2=B1 19% +353.0% 162504 =C2=B1 61% sched_debug.cpu#2.s= ched_goidle 30831893 =C2=B1 3% -9.9% 27785159 =C2=B1 4% sched_debug.cpu#3.t= twu_count 10432629 =C2=B1 7% -18.8% 8470000 =C2=B1 8% sched_debug.cpu#3.t= twu_local 6.25 =C2=B1 77% -116.0% -1.00 =C2=B1-538% sched_debug.cpu#4.= nr_uninterruptible 30690275 =C2=B1 0% -8.6% 28038013 =C2=B1 3% sched_debug.cpu#4.t= twu_count 30663532 =C2=B1 2% -9.5% 27765762 =C2=B1 4% sched_debug.cpu#5.t= twu_count 9498405 =C2=B1 2% -10.7% 8483506 =C2=B1 4% sched_debug.cpu#5.t= twu_local 44973638 =C2=B1 2% -10.3% 40347779 =C2=B1 6% sched_debug.cpu#6.n= r_switches 44973914 =C2=B1 2% -10.3% 40348157 =C2=B1 6% sched_debug.cpu#6.s= ched_count 314540 =C2=B1 0% -7.2% 291752 =C2=B1 4% sched_debug.cpu#7.n= r_load_updates 45078605 =C2=B1 1% -11.7% 39798883 =C2=B1 3% sched_debug.cpu#7.n= r_switches 45079120 =C2=B1 1% -11.7% 39799188 =C2=B1 3% sched_debug.cpu#7.s= ched_count 9584278 =C2=B1 5% -11.5% 8482116 =C2=B1 5% sched_debug.cpu#7.t= twu_local 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/nr_threads/blo= cksize: xps2/pigz/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/10= 0%/128K commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 12488 =C2=B1 1% +647.0% 93290 =C2=B1 4% pigz.time.minor_pag= e_faults 7154 =C2=B1 24% +147.1% 17676 =C2=B1 45% latency_stats.sum.c= all_rwsem_down_read_failed.__do_page_fault.do_page_fault.page_fault 337520 =C2=B1 0% +23.8% 417772 =C2=B1 1% proc-vmstat.pgfault 12488 =C2=B1 1% +647.0% 93290 =C2=B1 4% time.minor_page_fau= lts 1.20 =C2=B1 7% +23.7% 1.49 =C2=B1 12% perf-profile.cpu-cy= cles.__alloc_pages_nodemask.alloc_pages_current.pipe_write.__vfs_write.vfs_= write 1.38 =C2=B1 1% +26.9% 1.76 =C2=B1 15% perf-profile.cpu-cy= cles.alloc_pages_current.pipe_write.__vfs_write.vfs_write.sys_write 1.38 =C2=B1 26% +46.8% 2.03 =C2=B1 12% perf-profile.cpu-cy= cles.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt 2.07 =C2=B1 3% -29.3% 1.47 =C2=B1 16% perf-profile.cpu-cy= cles.tick_do_update_jiffies64.tick_sched_do_timer.tick_sched_timer.__hrtime= r_run_queues.hrtimer_interrupt 1.76 =C2=B1 7% -37.8% 1.10 =C2=B1 26% perf-profile.cpu-cy= cles.update_wall_time.tick_do_update_jiffies64.tick_sched_do_timer.tick_sch= ed_timer.__hrtimer_run_queues 13.50 =C2=B1 6% -46.3% 7.25 =C2=B1 15% sched_debug.cfs_rq[= 0]:/.nr_spread_over 4.00 =C2=B1 17% +68.8% 6.75 =C2=B1 28% sched_debug.cfs_rq[= 6]:/.nr_spread_over 120.00 =C2=B1 7% -13.5% 103.75 =C2=B1 9% sched_debug.cpu#1.c= pu_load[4] 5.25 =C2=B1 34% -128.6% -1.50 =C2=B1-218% sched_debug.cpu#1.= nr_uninterruptible 970.50 =C2=B1 15% +67.7% 1627 =C2=B1 23% sched_debug.cpu#4.s= ched_goidle 188.00 =C2=B1 42% -50.8% 92.50 =C2=B1 6% sched_debug.cpu#5.l= oad 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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/nr_threads/blo= cksize: xps2/pigz/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/10= 0%/512K commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 3752893 =C2=B1 0% +4.2% 3908831 =C2=B1 3% pigz.time.involunta= ry_context_switches 28250 =C2=B1 0% +605.5% 199301 =C2=B1 2% pigz.time.minor_pag= e_faults 6677 =C2=B1 66% +437.6% 35901 =C2=B1 52% latency_stats.sum.p= ipe_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 353061 =C2=B1 0% +48.0% 522561 =C2=B1 0% proc-vmstat.pgfault 3118 =C2=B1 7% +12.8% 3516 =C2=B1 3% slabinfo.kmalloc-19= 2.active_objs 28250 =C2=B1 0% +605.5% 199301 =C2=B1 2% time.minor_page_fau= lts 154.19 =C2=B1 2% +9.6% 168.94 =C2=B1 4% uptime.idle 0.34 =C2=B1 42% +104.4% 0.70 =C2=B1 27% perf-profile.cpu-cy= cles.__update_cpu_load.update_cpu_load_active.scheduler_tick.update_process= _times.tick_sched_handle 1.71 =C2=B1 9% +20.1% 2.06 =C2=B1 6% perf-profile.cpu-cy= cles.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt 0.59 =C2=B1 23% +73.1% 1.03 =C2=B1 12% perf-profile.cpu-cy= cles.sched_clock_cpu.update_rq_clock.scheduler_tick.update_process_times.ti= ck_sched_handle 10.03 =C2=B1 4% +11.6% 11.19 =C2=B1 3% perf-profile.cpu-cy= cles.tick_sched_handle.isra.17.tick_sched_timer.__hrtimer_run_queues.hrtime= r_interrupt.local_apic_timer_interrupt 0.66 =C2=B1 23% +51.5% 1.00 =C2=B1 29% perf-profile.cpu-cy= cles.update_cpu_load_active.scheduler_tick.update_process_times.tick_sched_= handle.tick_sched_timer 8.50 =C2=B1 30% -38.2% 5.25 =C2=B1 20% sched_debug.cfs_rq[= 1]:/.nr_spread_over 1029 =C2=B1 8% -11.4% 911.75 =C2=B1 10% sched_debug.cfs_rq[= 3]:/.utilization_load_avg 88.00 =C2=B1 0% +10.8% 97.50 =C2=B1 8% sched_debug.cfs_rq[= 5]:/.load 88.50 =C2=B1 1% +13.8% 100.75 =C2=B1 10% sched_debug.cfs_rq[= 5]:/.runnable_load_avg -2.50 =C2=B1-34% -130.0% 0.75 =C2=B1110% sched_debug.cpu#0.n= r_uninterruptible 127.25 =C2=B1 5% -15.1% 108.00 =C2=B1 6% sched_debug.cpu#1.c= pu_load[3] 127.25 =C2=B1 3% -16.7% 106.00 =C2=B1 4% sched_debug.cpu#1.c= pu_load[4] 1369 =C2=B1 40% +51.6% 2076 =C2=B1 6% sched_debug.cpu#1.c= urr->pid 51700 =C2=B1 17% -30.3% 36053 =C2=B1 30% sched_debug.cpu#4.t= twu_count 458569 =C2=B1 22% +54.8% 709974 =C2=B1 13% sched_debug.cpu#5.a= vg_idle 88.50 =C2=B1 1% +13.8% 100.75 =C2=B1 10% sched_debug.cpu#5.c= pu_load[0] 88.00 =C2=B1 0% +10.8% 97.50 =C2=B1 8% sched_debug.cpu#5.l= oad 9.00 =C2=B1 33% -75.0% 2.25 =C2=B1 79% sched_debug.cpu#5.n= r_uninterruptible -11.50 =C2=B1-81% -119.6% 2.25 =C2=B1155% sched_debug.cpu#6.n= r_uninterruptible 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: wsm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perfor= mance/context_switch1 commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 11171 =C2=B1 0% +14.1% 12745 =C2=B1 0% will-it-scale.time.= minor_page_faults 1134537 =C2=B1141% +263.3% 4121317 =C2=B1117% 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.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 11171 =C2=B1 0% +14.1% 12745 =C2=B1 0% time.minor_page_fau= lts 0.81 =C2=B1 5% +94.4% 1.58 =C2=B1 3% perf-profile.cpu-cy= cles.__kernel_text_address.dump_trace.save_stack_trace_tsk.__account_schedu= ler_latency.enqueue_entity 11.19 =C2=B1 0% -19.9% 8.96 =C2=B1 1% perf-profile.cpu-cy= cles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_= tsk.__account_scheduler_latency 1.28 =C2=B1 2% -9.2% 1.17 =C2=B1 1% perf-profile.cpu-cy= cles.__module_address.is_module_text_address.__kernel_text_address.print_co= ntext_stack.dump_trace 1.68 =C2=B1 14% +20.6% 2.03 =C2=B1 7% perf-profile.cpu-cy= cles.__remove_hrtimer.hrtimer_try_to_cancel.hrtimer_cancel.tick_nohz_restar= t.tick_nohz_idle_exit 6.59 =C2=B1 1% +39.6% 9.20 =C2=B1 0% perf-profile.cpu-cy= cles.__schedule.schedule.pipe_wait.pipe_read.__vfs_read 1.55 =C2=B1 7% -55.6% 0.69 =C2=B1 7% perf-profile.cpu-cy= cles._raw_spin_unlock_irqrestore.hrtimer_start_range_ns.tick_nohz_restart.t= ick_nohz_idle_exit.cpu_startup_entry 4.09 =C2=B1 1% +72.9% 7.07 =C2=B1 1% perf-profile.cpu-cy= cles.deactivate_task.__schedule.schedule.pipe_wait.pipe_read 2.60 =C2=B1 2% +116.8% 5.63 =C2=B1 0% perf-profile.cpu-cy= cles.dequeue_entity.dequeue_task_fair.dequeue_task.deactivate_task.__schedu= le 4.02 =C2=B1 1% +74.0% 6.99 =C2=B1 0% perf-profile.cpu-cy= cles.dequeue_task.deactivate_task.__schedule.schedule.pipe_wait 3.44 =C2=B1 1% +88.2% 6.47 =C2=B1 0% perf-profile.cpu-cy= cles.dequeue_task_fair.dequeue_task.deactivate_task.__schedule.schedule 3.56 =C2=B1 10% +14.6% 4.08 =C2=B1 5% perf-profile.cpu-cy= cles.hrtimer_try_to_cancel.hrtimer_cancel.tick_nohz_restart.tick_nohz_idle_= exit.cpu_startup_entry 4.30 =C2=B1 0% -56.0% 1.89 =C2=B1 4% perf-profile.cpu-cy= cles.is_ftrace_trampoline.__kernel_text_address.print_context_stack.dump_tr= ace.save_stack_trace_tsk 0.92 =C2=B1 3% +17.7% 1.08 =C2=B1 3% perf-profile.cpu-cy= cles.is_ftrace_trampoline.print_context_stack.dump_trace.save_stack_trace_t= sk.__account_scheduler_latency 1.38 =C2=B1 2% +10.5% 1.52 =C2=B1 2% perf-profile.cpu-cy= cles.is_module_text_address.print_context_stack.dump_trace.save_stack_trace= _tsk.__account_scheduler_latency 8.57 =C2=B1 0% +27.0% 10.89 =C2=B1 0% perf-profile.cpu-cy= cles.pipe_wait.pipe_read.__vfs_read.vfs_read.sys_read 1.07 =C2=B1 2% +31.5% 1.41 =C2=B1 2% perf-profile.cpu-cy= cles.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 7.04 =C2=B1 1% +36.3% 9.59 =C2=B1 0% perf-profile.cpu-cy= cles.schedule.pipe_wait.pipe_read.__vfs_read.vfs_read 0.90 =C2=B1 2% +36.6% 1.22 =C2=B1 3% perf-profile.cpu-cy= cles.security_file_permission.rw_verify_area.vfs_write.sys_write.entry_SYSC= ALL_64_fastpath 2.27 =C2=B1 3% -18.0% 1.86 =C2=B1 3% perf-profile.cpu-cy= cles.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wa= ke_function.__wake_up_common 0.75 =C2=B1 1% +45.0% 1.09 =C2=B1 4% perf-profile.cpu-cy= cles.selinux_file_permission.security_file_permission.rw_verify_area.vfs_wr= ite.sys_write 1.36 =C2=B1 6% +29.5% 1.76 =C2=B1 11% perf-profile.cpu-cy= cles.tick_program_event.__remove_hrtimer.hrtimer_start_range_ns.tick_nohz_s= top_sched_tick.__tick_nohz_idle_enter 0.87 =C2=B1 2% +30.0% 1.13 =C2=B1 2% perf-profile.cpu-cy= cles.update_cfs_shares.dequeue_entity.dequeue_task_fair.dequeue_task.deacti= vate_task 516.25 =C2=B1136% +301.7% 2073 =C2=B1 61% sched_debug.cfs_rq[= 0]:/.blocked_load_avg 14524 =C2=B1 11% +18.9% 17267 =C2=B1 10% sched_debug.cfs_rq[= 0]:/.tg_load_avg 596.25 =C2=B1116% +270.8% 2211 =C2=B1 60% sched_debug.cfs_rq[= 0]:/.tg_load_contrib 14343 =C2=B1 11% +19.5% 17147 =C2=B1 10% sched_debug.cfs_rq[= 10]:/.tg_load_avg 14335 =C2=B1 11% +19.4% 17110 =C2=B1 10% sched_debug.cfs_rq[= 11]:/.tg_load_avg 1.75 =C2=B1 47% +171.4% 4.75 =C2=B1 27% sched_debug.cfs_rq[= 1]:/.nr_spread_over 14489 =C2=B1 11% +19.0% 17248 =C2=B1 10% sched_debug.cfs_rq[= 1]:/.tg_load_avg 14483 =C2=B1 11% +19.1% 17253 =C2=B1 10% sched_debug.cfs_rq[= 2]:/.tg_load_avg 455.25 =C2=B1 27% +28.8% 586.50 =C2=B1 10% sched_debug.cfs_rq[= 2]:/.utilization_load_avg 14430 =C2=B1 10% +19.4% 17232 =C2=B1 10% sched_debug.cfs_rq[= 3]:/.tg_load_avg 14424 =C2=B1 10% +19.3% 17213 =C2=B1 10% sched_debug.cfs_rq[= 4]:/.tg_load_avg 14420 =C2=B1 10% +19.3% 17199 =C2=B1 10% sched_debug.cfs_rq[= 5]:/.tg_load_avg 14408 =C2=B1 10% +19.3% 17192 =C2=B1 10% sched_debug.cfs_rq[= 6]:/.tg_load_avg 14382 =C2=B1 10% +19.4% 17179 =C2=B1 10% sched_debug.cfs_rq[= 7]:/.tg_load_avg 1865 =C2=B1 18% -65.5% 642.75 =C2=B1 56% sched_debug.cfs_rq[= 8]:/.blocked_load_avg 14377 =C2=B1 10% +19.4% 17163 =C2=B1 10% sched_debug.cfs_rq[= 8]:/.tg_load_avg 1914 =C2=B1 18% -62.4% 719.00 =C2=B1 53% sched_debug.cfs_rq[= 8]:/.tg_load_contrib 14368 =C2=B1 10% +19.4% 17154 =C2=B1 10% sched_debug.cfs_rq[= 9]:/.tg_load_avg 72.25 =C2=B1 9% +34.6% 97.25 =C2=B1 9% sched_debug.cpu#0.c= pu_load[0] 290172 =C2=B1 7% -16.0% 243745 =C2=B1 17% sched_debug.cpu#1.a= vg_idle 54.25 =C2=B1 3% +12.9% 61.25 =C2=B1 3% sched_debug.cpu#1.c= pu_load[2] 54.00 =C2=B1 3% +13.9% 61.50 =C2=B1 3% sched_debug.cpu#1.c= pu_load[3] 54.00 =C2=B1 3% +10.2% 59.50 =C2=B1 4% sched_debug.cpu#1.c= pu_load[4] 19375134 =C2=B1 14% -12.2% 17015561 =C2=B1 4% sched_debug.cpu#2.n= r_switches 19375189 =C2=B1 14% -12.2% 17015610 =C2=B1 4% sched_debug.cpu#2.s= ched_count 5658065 =C2=B1 24% -20.9% 4473053 =C2=B1 9% sched_debug.cpu#2.s= ched_goidle 1600 =C2=B1 21% +28.5% 2056 =C2=B1 9% sched_debug.cpu#3.c= urr->pid 42.75 =C2=B1 6% +18.1% 50.50 =C2=B1 8% sched_debug.cpu#5.c= pu_load[2] 88.50 =C2=B1 19% -32.8% 59.50 =C2=B1 28% sched_debug.cpu#6.c= pu_load[0] 0.30 =C2=B1 93% -78.8% 0.06 =C2=B1102% sched_debug.rt_rq[1= ]:/.rt_time 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: lkp-a03/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/pe= rformance/lock1 commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 7478 =C2=B1 0% +1.2% 7569 =C2=B1 0% will-it-scale.time.= maximum_resident_set_size 8398 =C2=B1 0% +6.2% 8920 =C2=B1 0% will-it-scale.time.= minor_page_faults 51892 =C2=B1 17% +27.6% 66228 =C2=B1 12% meminfo.DirectMap4k 29992 =C2=B1 8% +12.8% 33842 =C2=B1 4% softirqs.RCU 29.63 =C2=B1 4% +10.0% 32.61 =C2=B1 3% time.user_time 17682 =C2=B1 7% +5.3% 18625 =C2=B1 7% vmstat.system.cs 247.25 =C2=B1 2% -15.5% 209.00 =C2=B1 15% sched_debug.cfs_rq[= 0]:/.load 853.50 =C2=B1 1% -11.9% 751.75 =C2=B1 7% sched_debug.cfs_rq[= 0]:/.utilization_load_avg 35.25 =C2=B1 4% -18.4% 28.75 =C2=B1 5% sched_debug.cfs_rq[= 3]:/.nr_spread_over 2348 =C2=B1 1% -8.6% 2145 =C2=B1 5% sched_debug.cpu#0.c= urr->pid 247.00 =C2=B1 2% -15.4% 209.00 =C2=B1 15% sched_debug.cpu#0.l= oad 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: wsm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perfor= mance/malloc2 commit: = 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 11144 =C2=B1 0% +12.5% 12538 =C2=B1 0% will-it-scale.time.= minor_page_faults 202651 =C2=B1 3% -14.4% 173458 =C2=B1 2% latency_stats.hits.= pipe_wait.pipe_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 11144 =C2=B1 0% +12.5% 12538 =C2=B1 0% time.minor_page_fau= lts 16.86 =C2=B1 31% -73.8% 4.41 =C2=B1100% perf-profile.cpu-cy= cles.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86= _64_start_kernel 57.17 =C2=B1 10% +36.3% 77.94 =C2=B1 18% perf-profile.cpu-cy= cles.cpu_startup_entry.start_secondary 16.80 =C2=B1 31% -73.9% 4.39 =C2=B1100% perf-profile.cpu-cy= cles.cpuidle_enter.cpu_startup_entry.rest_init.start_kernel.x86_64_start_re= servations 16.11 =C2=B1 31% -73.5% 4.27 =C2=B1100% perf-profile.cpu-cy= cles.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.rest_init.start_ke= rnel 56.70 =C2=B1 10% +36.7% 77.50 =C2=B1 18% perf-profile.cpu-cy= cles.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_secondary 0.97 =C2=B1100% -93.8% 0.06 =C2=B1-1666% perf-profile.cpu-= cycles.do_set_pte.filemap_map_pages.handle_pte_fault.handle_mm_fault.__do_p= age_fault 1.96 =C2=B1 78% -77.8% 0.43 =C2=B1135% perf-profile.cpu-cy= cles.filemap_map_pages.handle_pte_fault.handle_mm_fault.__do_page_fault.do_= page_fault 3.18 =C2=B1 34% -75.9% 0.77 =C2=B1 85% perf-profile.cpu-cy= cles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fa= ult 15.91 =C2=B1 33% -74.9% 4.00 =C2=B1101% perf-profile.cpu-cy= cles.poll_idle.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.rest_init 56.07 =C2=B1 11% +37.8% 77.28 =C2=B1 18% perf-profile.cpu-cy= cles.poll_idle.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_se= condary 17.10 =C2=B1 30% -66.8% 5.68 =C2=B1 59% perf-profile.cpu-cy= cles.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 17.10 =C2=B1 30% -66.8% 5.68 =C2=B1 59% perf-profile.cpu-cy= cles.start_kernel.x86_64_start_reservations.x86_64_start_kernel 57.18 =C2=B1 10% +36.3% 77.94 =C2=B1 18% perf-profile.cpu-cy= cles.start_secondary 17.10 =C2=B1 30% -66.8% 5.68 =C2=B1 59% perf-profile.cpu-cy= cles.x86_64_start_kernel 17.10 =C2=B1 30% -66.8% 5.68 =C2=B1 59% perf-profile.cpu-cy= cles.x86_64_start_reservations.x86_64_start_kernel 6.50 =C2=B1 38% -61.5% 2.50 =C2=B1 72% sched_debug.cfs_rq[= 1]:/.nr_spread_over -197566 =C2=B1-35% +57.5% -311256 =C2=B1-11% sched_debug.cfs_rq[= 4]:/.spread0 851471 =C2=B1 8% -10.5% 762192 =C2=B1 2% sched_debug.cfs_rq[= 6]:/.min_vruntime 735.50 =C2=B1 44% +98.3% 1458 =C2=B1 47% sched_debug.cfs_rq[= 8]:/.blocked_load_avg 796.75 =C2=B1 38% +91.2% 1523 =C2=B1 46% sched_debug.cfs_rq[= 8]:/.tg_load_contrib 52.75 =C2=B1 25% +73.9% 91.75 =C2=B1 29% sched_debug.cfs_rq[= 9]:/.load 610312 =C2=B1 9% -12.3% 535184 =C2=B1 1% sched_debug.cfs_rq[= 9]:/.min_vruntime 52.75 =C2=B1 25% +65.4% 87.25 =C2=B1 29% sched_debug.cfs_rq[= 9]:/.runnable_load_avg 1373175 =C2=B1101% -99.2% 10693 =C2=B1 42% sched_debug.cpu#1.t= twu_count 58262 =C2=B1 0% +11.2% 64777 =C2=B1 6% sched_debug.cpu#10.= nr_load_updates 39758 =C2=B1 47% -60.2% 15813 =C2=B1 55% sched_debug.cpu#11.= nr_switches 39788 =C2=B1 47% -60.2% 15839 =C2=B1 55% sched_debug.cpu#11.= sched_count 18721 =C2=B1 51% -68.6% 5869 =C2=B1 55% sched_debug.cpu#11.= sched_goidle 73.50 =C2=B1 10% -20.1% 58.75 =C2=B1 7% sched_debug.cpu#4.c= pu_load[2] 68.50 =C2=B1 5% -16.8% 57.00 =C2=B1 7% sched_debug.cpu#4.c= pu_load[3] 64.50 =C2=B1 6% -13.6% 55.75 =C2=B1 7% sched_debug.cpu#4.c= pu_load[4] 965204 =C2=B1119% -99.0% 10127 =C2=B1 80% sched_debug.cpu#7.n= r_switches 965234 =C2=B1119% -98.9% 10157 =C2=B1 79% sched_debug.cpu#7.s= ched_count 492436 =C2=B1119% -98.7% 6337 =C2=B1 96% sched_debug.cpu#7.t= twu_count 478601 =C2=B1120% -99.8% 733.50 =C2=B1 51% sched_debug.cpu#7.t= twu_local 52.75 =C2=B1 25% +65.4% 87.25 =C2=B1 29% sched_debug.cpu#9.c= pu_load[0] 53.25 =C2=B1 24% +30.0% 69.25 =C2=B1 17% sched_debug.cpu#9.c= pu_load[1] 1920 =C2=B1 8% +21.6% 2334 =C2=B1 4% sched_debug.cpu#9.c= urr->pid 52.75 =C2=B1 25% +73.9% 91.75 =C2=B1 29% sched_debug.cpu#9.l= oad 0.69 =C2=B1 67% +358.0% 3.14 =C2=B1114% sched_debug.rt_rq[0= ]:/.rt_time 155259 =C2=B1 0% -42.2% 89723 =C2=B1 0% sched_debug.sysctl_= sched.sysctl_sched_features bay: Pentium D Memory: 2G nhm4: Nehalem Memory: 4G mtp-ivy1: Ivy Bridge Memory: 32G xps2: Nehalem Memory: 4G wsm: Westmere Memory: 6G lkp-a03: Atom Memory: 8G 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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--===============7236180255523474012== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJlcS9z Y2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2Nw dS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9k ZXZpY2VzL3N5c3RlbS9jcHUvY3B1Mi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJm b3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTMvY3B1ZnJlcS9zY2FsaW5nX2dv dmVybm9yCm1rZnMgLXQgYnRyZnMgL2Rldi9zZGExCm1vdW50IC10IGJ0cmZzIC9kZXYvc2RhMSAv ZnMvc2RhMQpjZCAvZnMvc2RhMQpzeXNiZW5jaCAtLXRlc3Q9ZmlsZWlvIC0tbWF4LXJlcXVlc3Rz PTAgLS1udW0tdGhyZWFkcz00IC0tbWF4LXRpbWU9NjAwIC0tZmlsZS10ZXN0LW1vZGU9c2Vxd3Ig LS1maWxlLXRvdGFsLXNpemU9Njg3MTk0NzY3MzYgLS1maWxlLWlvLW1vZGU9c3luYyAtLWZpbGUt bnVtPTEwMjQgcnVuCg== --===============7236180255523474012==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752356AbbGNNCr (ORCPT ); Tue, 14 Jul 2015 09:02:47 -0400 Received: from mga03.intel.com ([134.134.136.65]:57173 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751886AbbGNNCp (ORCPT ); Tue, 14 Jul 2015 09:02:45 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,471,1432623600"; d="yaml'?scan'208";a="728599598" Message-ID: <1436878948.1264.6.camel@intel.com> Subject: [lkp] [sched/tip] 30874f21ed9: No primary result change, +195.6% fileio.time.minor_page_faults From: Huang Ying To: Srikar Dronamraju Cc: LKML , LKP ML Date: Tue, 14 Jul 2015 21:02:28 +0800 Content-Type: multipart/mixed; boundary="=-k0P6uArMN6Dafx/5aOMk" 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 --=-k0P6uArMN6Dafx/5aOMk 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/peterz/queue.git sched/core commit 30874f21ed9bf392ca910600df8bb1dbfd9beabb ("sched/tip:Prefer numa hotness over cache hotness") ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/period/nr_threads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/600s/100%/1HDD/btrfs/64G/1024f/seqwr/sync commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 3746 ± 2% +3.5% 3876 ± 0% fileio.time.maximum_resident_set_size 666.50 ± 0% +195.6% 1970 ± 2% fileio.time.minor_page_faults 666.50 ± 0% +195.6% 1970 ± 2% time.minor_page_faults 124968 ±100% +279.4% 474125 ±100% latency_stats.avg.btrfs_async_run_delayed_refs.[btrfs].__btrfs_end_transaction.[btrfs].btrfs_end_transaction.[btrfs].btrfs_cont_expand.[btrfs].btrfs_file_write_iter.[btrfs].__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath 16379 ± 5% +53.2% 25088 ± 18% latency_stats.sum.futex_wait_queue_me.futex_wait.do_futex.SyS_futex.entry_SYSCALL_64_fastpath 576.00 ± 10% +20.7% 695.25 ± 11% slabinfo.btrfs_delayed_data_ref.active_objs 576.00 ± 10% +20.7% 695.25 ± 11% slabinfo.btrfs_delayed_data_ref.num_objs 29.75 ± 20% +135.3% 70.00 ± 36% sched_debug.cfs_rq[2]:/.runnable_load_avg 119.50 ± 65% +186.4% 342.25 ± 32% sched_debug.cfs_rq[2]:/.utilization_load_avg 4219 ± 7% +33.4% 5629 ± 26% sched_debug.cfs_rq[3]:/.avg->runnable_avg_sum 91.00 ± 6% +34.3% 122.25 ± 26% sched_debug.cfs_rq[3]:/.tg_runnable_contrib 39.50 ± 61% +91.8% 75.75 ± 18% sched_debug.cpu#1.cpu_load[0] 27.00 ± 52% +108.3% 56.25 ± 22% sched_debug.cpu#1.cpu_load[1] 19.00 ± 34% +117.1% 41.25 ± 24% sched_debug.cpu#1.cpu_load[2] 14.00 ± 22% +116.1% 30.25 ± 27% sched_debug.cpu#1.cpu_load[3] 12.00 ± 26% +104.2% 24.50 ± 27% sched_debug.cpu#1.cpu_load[4] 24.25 ± 39% +166.0% 64.50 ± 28% sched_debug.cpu#2.cpu_load[0] 21.25 ± 34% +132.9% 49.50 ± 33% sched_debug.cpu#2.cpu_load[1] 18.75 ± 34% +118.7% 41.00 ± 47% sched_debug.cpu#2.cpu_load[2] 16.75 ± 39% +119.4% 36.75 ± 62% sched_debug.cpu#2.cpu_load[3] 984.25 ± 44% +98.8% 1956 ± 26% sched_debug.cpu#2.curr->pid 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/period/nr_threads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/600s/100%/1HDD/f2fs/64G/1024f/seqwr/sync commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 668.00 ± 0% +185.1% 1904 ± 3% fileio.time.minor_page_faults 3504570 ± 0% -1.0% 3471202 ± 0% fileio.time.voluntary_context_switches 77542 ± 18% -46.6% 41420 ± 34% proc-vmstat.pgscan_direct_dma32 668.00 ± 0% +185.1% 1904 ± 3% time.minor_page_faults 26397 ± 0% -8.7% 24113 ± 13% vmstat.system.cs 0.00 ± -1% +Inf% 1432132 ±166% 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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 2499827 ±169% 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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 1.28e+08 ± 0% +7.8% 1.38e+08 ± 3% latency_stats.sum.balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 5611872 ±171% 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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 8.50 ±105% +523.5% 53.00 ± 50% sched_debug.cfs_rq[0]:/.runnable_load_avg 4840 ± 24% +47.1% 7118 ± 20% sched_debug.cfs_rq[2]:/.avg->runnable_avg_sum 105.00 ± 24% +47.4% 154.75 ± 20% sched_debug.cfs_rq[2]:/.tg_runnable_contrib 4176 ± 9% +53.7% 6417 ± 20% sched_debug.cfs_rq[3]:/.avg->runnable_avg_sum 90.25 ± 9% +54.3% 139.25 ± 20% sched_debug.cfs_rq[3]:/.tg_runnable_contrib 17.75 ± 30% +260.6% 64.00 ± 65% sched_debug.cpu#0.cpu_load[0] 1213614 ± 94% -59.3% 494542 ± 5% sched_debug.cpu#0.ttwu_count 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/period/nr_threads/disk/fs/size/filenum/rwmode/iomode: bay/fileio/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/600s/100%/1HDD/xfs/64G/1024f/seqwr/sync commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 665.75 ± 0% +193.9% 1956 ± 2% fileio.time.minor_page_faults 1661 ± 4% +10.8% 1841 ± 4% proc-vmstat.pgalloc_dma 665.75 ± 0% +193.9% 1956 ± 2% time.minor_page_faults 24.00 ± 5% +24.0% 29.75 ± 6% sched_debug.cfs_rq[1]:/.nr_spread_over 25.00 ± 4% -21.0% 19.75 ± 19% sched_debug.cfs_rq[3]:/.nr_spread_over 1784 ± 37% -49.3% 904.00 ± 28% sched_debug.cpu#1.curr->pid 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_directory: nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/btrfs/8K/400M/fsyncBeforeClose/16d/256fpd commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 8052 ± 0% +54.0% 12401 ± 5% fsmark.time.minor_page_faults 73486184 ± 4% +7.9% 79292570 ± 4% cpuidle.C3-NHM.time 8052 ± 0% +54.0% 12401 ± 5% time.minor_page_faults 298.75 ± 18% +26.6% 378.25 ± 10% slabinfo.ext4_free_data.active_objs 298.75 ± 18% +26.6% 378.25 ± 10% slabinfo.ext4_free_data.num_objs 27801 ± 21% +35.0% 37530 ± 10% sched_debug.cfs_rq[0]:/.tg_load_avg 10055 ± 16% +34.7% 13540 ± 12% sched_debug.cfs_rq[1]:/.avg->runnable_avg_sum 27802 ± 21% +34.5% 37391 ± 9% sched_debug.cfs_rq[1]:/.tg_load_avg 27671 ± 21% +34.4% 37194 ± 10% sched_debug.cfs_rq[2]:/.tg_load_avg 27672 ± 21% +29.6% 35868 ± 15% sched_debug.cfs_rq[3]:/.tg_load_avg 27622 ± 21% +29.9% 35868 ± 15% sched_debug.cfs_rq[4]:/.tg_load_avg 27635 ± 21% +29.8% 35868 ± 15% sched_debug.cfs_rq[5]:/.tg_load_avg 27632 ± 21% +29.8% 35868 ± 15% sched_debug.cfs_rq[6]:/.tg_load_avg 27521 ± 21% +30.3% 35864 ± 15% sched_debug.cfs_rq[7]:/.tg_load_avg 5438 ± 31% +12265.8% 672512 ±104% sched_debug.cpu#1.ttwu_local 12.25 ± 63% +167.3% 32.75 ± 19% sched_debug.cpu#4.cpu_load[1] 65.50 ± 21% -67.2% 21.50 ± 93% sched_debug.cpu#6.cpu_load[2] 46.50 ± 15% -62.4% 17.50 ± 75% sched_debug.cpu#6.cpu_load[3] 33.25 ± 16% -45.1% 18.25 ± 54% sched_debug.cpu#6.cpu_load[4] 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_directory: nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/btrfs/9B/400M/fsyncBeforeClose/16d/256fpd commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 10640 ± 0% +87.8% 19978 ± 2% fsmark.time.minor_page_faults 17490 ± 6% -75.5% 4277 ± 8% latency_stats.sum.wait_woken.inotify_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 10640 ± 0% +87.8% 19978 ± 2% time.minor_page_faults 1533083 ± 72% -73.1% 413085 ± 1% sched_debug.cpu#1.nr_switches 1533200 ± 72% -73.0% 413220 ± 1% sched_debug.cpu#1.sched_count 650722 ± 80% -81.4% 120841 ± 3% sched_debug.cpu#1.sched_goidle 289935 ± 60% +82.6% 529534 ± 21% sched_debug.cpu#5.avg_idle 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/nr_threads/mode/ipc: mtp-ivy1/hackbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/50%/threads/socket commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 663.53 ± 0% -1.1% 656.02 ± 0% hackbench.time.elapsed_time 663.53 ± 0% -1.1% 656.02 ± 0% hackbench.time.elapsed_time.max 2.236e+08 ± 0% -2.4% 2.182e+08 ± 1% hackbench.time.involuntary_context_switches 5959 ± 0% +516.4% 36734 ± 4% hackbench.time.minor_page_faults 4904 ± 0% -1.1% 4850 ± 0% hackbench.time.system_time 4.841e+08 ± 0% -1.9% 4.749e+08 ± 1% hackbench.time.voluntary_context_switches 670026 ± 31% +92.5% 1289662 ± 18% cpuidle.C3-IVB.time 5959 ± 0% +516.4% 36734 ± 4% time.minor_page_faults 0.05 ± 43% +115.8% 0.10 ± 21% turbostat.Pkg%pc3 0.45 ± 9% +163.3% 1.19 ± 2% perf-profile.cpu-cycles.__kernel_text_address.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity 15.81 ± 1% -22.1% 12.31 ± 0% perf-profile.cpu-cycles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 1.69 ± 3% +13.9% 1.93 ± 3% perf-profile.cpu-cycles.__module_text_address.is_module_text_address.__kernel_text_address.print_context_stack.dump_trace 1.32 ± 1% -13.4% 1.15 ± 8% perf-profile.cpu-cycles.__switch_to 6.81 ± 2% -59.7% 2.74 ± 1% perf-profile.cpu-cycles.is_ftrace_trampoline.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk 1.78 ± 2% +73.0% 3.07 ± 1% perf-profile.cpu-cycles.is_module_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 1.04 ± 6% +13.2% 1.18 ± 6% perf-profile.cpu-cycles.kfree.skb_free_head.skb_release_data.skb_release_all.consume_skb 1.41 ± 2% -10.1% 1.27 ± 2% perf-profile.cpu-cycles.pick_next_task_fair.__schedule.schedule.schedule_timeout.unix_stream_recvmsg 1.29 ± 2% +15.1% 1.49 ± 3% perf-profile.cpu-cycles.rw_verify_area.vfs_read.sys_read.entry_SYSCALL_64_fastpath 0.94 ± 3% +22.4% 1.15 ± 5% perf-profile.cpu-cycles.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 1.05 ± 1% +18.1% 1.24 ± 6% perf-profile.cpu-cycles.security_file_permission.rw_verify_area.vfs_read.sys_read.entry_SYSCALL_64_fastpath 1.07 ± 7% +13.3% 1.21 ± 4% perf-profile.cpu-cycles.skb_free_head.skb_release_data.skb_release_all.consume_skb.unix_stream_recvmsg 1.27 ± 4% +14.6% 1.46 ± 2% perf-profile.cpu-cycles.skb_release_data.skb_release_all.consume_skb.unix_stream_recvmsg.sock_recvmsg 138.75 ± 10% -21.1% 109.50 ± 7% sched_debug.cfs_rq[0]:/.load 132.00 ± 7% -15.0% 112.25 ± 2% sched_debug.cfs_rq[0]:/.runnable_load_avg 746.75 ± 5% +22.1% 912.00 ± 17% sched_debug.cfs_rq[1]:/.utilization_load_avg 311731 ± 0% -9.3% 282874 ± 4% sched_debug.cfs_rq[2]:/.exec_clock 7.50 ± 29% +63.3% 12.25 ± 20% sched_debug.cfs_rq[2]:/.nr_spread_over 2722211 ± 1% -7.3% 2524484 ± 4% sched_debug.cfs_rq[3]:/.min_vruntime 16.75 ± 14% -40.3% 10.00 ± 39% sched_debug.cfs_rq[4]:/.nr_spread_over 2746419 ± 0% -7.2% 2550006 ± 4% sched_debug.cfs_rq[5]:/.min_vruntime 1014 ± 8% -16.3% 849.00 ± 16% sched_debug.cfs_rq[5]:/.utilization_load_avg 312033 ± 0% -7.3% 289288 ± 3% sched_debug.cfs_rq[6]:/.exec_clock 268.00 ± 49% +153.7% 680.00 ± 41% sched_debug.cfs_rq[7]:/.blocked_load_avg 2744206 ± 0% -7.5% 2537905 ± 4% sched_debug.cfs_rq[7]:/.min_vruntime 397.50 ± 32% +100.6% 797.25 ± 35% sched_debug.cfs_rq[7]:/.tg_load_contrib 136.25 ± 10% -21.5% 107.00 ± 11% sched_debug.cpu#0.load 9222208 ± 1% -9.1% 8382999 ± 2% sched_debug.cpu#0.ttwu_local 30430538 ± 2% -7.1% 28271798 ± 3% sched_debug.cpu#1.ttwu_count 35870 ± 19% +353.0% 162504 ± 61% sched_debug.cpu#2.sched_goidle 30831893 ± 3% -9.9% 27785159 ± 4% sched_debug.cpu#3.ttwu_count 10432629 ± 7% -18.8% 8470000 ± 8% sched_debug.cpu#3.ttwu_local 6.25 ± 77% -116.0% -1.00 ±-538% sched_debug.cpu#4.nr_uninterruptible 30690275 ± 0% -8.6% 28038013 ± 3% sched_debug.cpu#4.ttwu_count 30663532 ± 2% -9.5% 27765762 ± 4% sched_debug.cpu#5.ttwu_count 9498405 ± 2% -10.7% 8483506 ± 4% sched_debug.cpu#5.ttwu_local 44973638 ± 2% -10.3% 40347779 ± 6% sched_debug.cpu#6.nr_switches 44973914 ± 2% -10.3% 40348157 ± 6% sched_debug.cpu#6.sched_count 314540 ± 0% -7.2% 291752 ± 4% sched_debug.cpu#7.nr_load_updates 45078605 ± 1% -11.7% 39798883 ± 3% sched_debug.cpu#7.nr_switches 45079120 ± 1% -11.7% 39799188 ± 3% sched_debug.cpu#7.sched_count 9584278 ± 5% -11.5% 8482116 ± 5% sched_debug.cpu#7.ttwu_local 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/nr_threads/blocksize: xps2/pigz/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/100%/128K commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 12488 ± 1% +647.0% 93290 ± 4% pigz.time.minor_page_faults 7154 ± 24% +147.1% 17676 ± 45% latency_stats.sum.call_rwsem_down_read_failed.__do_page_fault.do_page_fault.page_fault 337520 ± 0% +23.8% 417772 ± 1% proc-vmstat.pgfault 12488 ± 1% +647.0% 93290 ± 4% time.minor_page_faults 1.20 ± 7% +23.7% 1.49 ± 12% perf-profile.cpu-cycles.__alloc_pages_nodemask.alloc_pages_current.pipe_write.__vfs_write.vfs_write 1.38 ± 1% +26.9% 1.76 ± 15% perf-profile.cpu-cycles.alloc_pages_current.pipe_write.__vfs_write.vfs_write.sys_write 1.38 ± 26% +46.8% 2.03 ± 12% perf-profile.cpu-cycles.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt 2.07 ± 3% -29.3% 1.47 ± 16% perf-profile.cpu-cycles.tick_do_update_jiffies64.tick_sched_do_timer.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt 1.76 ± 7% -37.8% 1.10 ± 26% perf-profile.cpu-cycles.update_wall_time.tick_do_update_jiffies64.tick_sched_do_timer.tick_sched_timer.__hrtimer_run_queues 13.50 ± 6% -46.3% 7.25 ± 15% sched_debug.cfs_rq[0]:/.nr_spread_over 4.00 ± 17% +68.8% 6.75 ± 28% sched_debug.cfs_rq[6]:/.nr_spread_over 120.00 ± 7% -13.5% 103.75 ± 9% sched_debug.cpu#1.cpu_load[4] 5.25 ± 34% -128.6% -1.50 ±-218% sched_debug.cpu#1.nr_uninterruptible 970.50 ± 15% +67.7% 1627 ± 23% sched_debug.cpu#4.sched_goidle 188.00 ± 42% -50.8% 92.50 ± 6% sched_debug.cpu#5.load 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/nr_threads/blocksize: xps2/pigz/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/100%/512K commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 3752893 ± 0% +4.2% 3908831 ± 3% pigz.time.involuntary_context_switches 28250 ± 0% +605.5% 199301 ± 2% pigz.time.minor_page_faults 6677 ± 66% +437.6% 35901 ± 52% latency_stats.sum.pipe_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 353061 ± 0% +48.0% 522561 ± 0% proc-vmstat.pgfault 3118 ± 7% +12.8% 3516 ± 3% slabinfo.kmalloc-192.active_objs 28250 ± 0% +605.5% 199301 ± 2% time.minor_page_faults 154.19 ± 2% +9.6% 168.94 ± 4% uptime.idle 0.34 ± 42% +104.4% 0.70 ± 27% perf-profile.cpu-cycles.__update_cpu_load.update_cpu_load_active.scheduler_tick.update_process_times.tick_sched_handle 1.71 ± 9% +20.1% 2.06 ± 6% perf-profile.cpu-cycles.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt 0.59 ± 23% +73.1% 1.03 ± 12% perf-profile.cpu-cycles.sched_clock_cpu.update_rq_clock.scheduler_tick.update_process_times.tick_sched_handle 10.03 ± 4% +11.6% 11.19 ± 3% perf-profile.cpu-cycles.tick_sched_handle.isra.17.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.local_apic_timer_interrupt 0.66 ± 23% +51.5% 1.00 ± 29% perf-profile.cpu-cycles.update_cpu_load_active.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer 8.50 ± 30% -38.2% 5.25 ± 20% sched_debug.cfs_rq[1]:/.nr_spread_over 1029 ± 8% -11.4% 911.75 ± 10% sched_debug.cfs_rq[3]:/.utilization_load_avg 88.00 ± 0% +10.8% 97.50 ± 8% sched_debug.cfs_rq[5]:/.load 88.50 ± 1% +13.8% 100.75 ± 10% sched_debug.cfs_rq[5]:/.runnable_load_avg -2.50 ±-34% -130.0% 0.75 ±110% sched_debug.cpu#0.nr_uninterruptible 127.25 ± 5% -15.1% 108.00 ± 6% sched_debug.cpu#1.cpu_load[3] 127.25 ± 3% -16.7% 106.00 ± 4% sched_debug.cpu#1.cpu_load[4] 1369 ± 40% +51.6% 2076 ± 6% sched_debug.cpu#1.curr->pid 51700 ± 17% -30.3% 36053 ± 30% sched_debug.cpu#4.ttwu_count 458569 ± 22% +54.8% 709974 ± 13% sched_debug.cpu#5.avg_idle 88.50 ± 1% +13.8% 100.75 ± 10% sched_debug.cpu#5.cpu_load[0] 88.00 ± 0% +10.8% 97.50 ± 8% sched_debug.cpu#5.load 9.00 ± 33% -75.0% 2.25 ± 79% sched_debug.cpu#5.nr_uninterruptible -11.50 ±-81% -119.6% 2.25 ±155% sched_debug.cpu#6.nr_uninterruptible 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: wsm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/context_switch1 commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 11171 ± 0% +14.1% 12745 ± 0% will-it-scale.time.minor_page_faults 1134537 ±141% +263.3% 4121317 ±117% 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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 11171 ± 0% +14.1% 12745 ± 0% time.minor_page_faults 0.81 ± 5% +94.4% 1.58 ± 3% perf-profile.cpu-cycles.__kernel_text_address.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity 11.19 ± 0% -19.9% 8.96 ± 1% perf-profile.cpu-cycles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 1.28 ± 2% -9.2% 1.17 ± 1% perf-profile.cpu-cycles.__module_address.is_module_text_address.__kernel_text_address.print_context_stack.dump_trace 1.68 ± 14% +20.6% 2.03 ± 7% perf-profile.cpu-cycles.__remove_hrtimer.hrtimer_try_to_cancel.hrtimer_cancel.tick_nohz_restart.tick_nohz_idle_exit 6.59 ± 1% +39.6% 9.20 ± 0% perf-profile.cpu-cycles.__schedule.schedule.pipe_wait.pipe_read.__vfs_read 1.55 ± 7% -55.6% 0.69 ± 7% perf-profile.cpu-cycles._raw_spin_unlock_irqrestore.hrtimer_start_range_ns.tick_nohz_restart.tick_nohz_idle_exit.cpu_startup_entry 4.09 ± 1% +72.9% 7.07 ± 1% perf-profile.cpu-cycles.deactivate_task.__schedule.schedule.pipe_wait.pipe_read 2.60 ± 2% +116.8% 5.63 ± 0% perf-profile.cpu-cycles.dequeue_entity.dequeue_task_fair.dequeue_task.deactivate_task.__schedule 4.02 ± 1% +74.0% 6.99 ± 0% perf-profile.cpu-cycles.dequeue_task.deactivate_task.__schedule.schedule.pipe_wait 3.44 ± 1% +88.2% 6.47 ± 0% perf-profile.cpu-cycles.dequeue_task_fair.dequeue_task.deactivate_task.__schedule.schedule 3.56 ± 10% +14.6% 4.08 ± 5% perf-profile.cpu-cycles.hrtimer_try_to_cancel.hrtimer_cancel.tick_nohz_restart.tick_nohz_idle_exit.cpu_startup_entry 4.30 ± 0% -56.0% 1.89 ± 4% perf-profile.cpu-cycles.is_ftrace_trampoline.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk 0.92 ± 3% +17.7% 1.08 ± 3% perf-profile.cpu-cycles.is_ftrace_trampoline.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 1.38 ± 2% +10.5% 1.52 ± 2% perf-profile.cpu-cycles.is_module_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 8.57 ± 0% +27.0% 10.89 ± 0% perf-profile.cpu-cycles.pipe_wait.pipe_read.__vfs_read.vfs_read.sys_read 1.07 ± 2% +31.5% 1.41 ± 2% perf-profile.cpu-cycles.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 7.04 ± 1% +36.3% 9.59 ± 0% perf-profile.cpu-cycles.schedule.pipe_wait.pipe_read.__vfs_read.vfs_read 0.90 ± 2% +36.6% 1.22 ± 3% perf-profile.cpu-cycles.security_file_permission.rw_verify_area.vfs_write.sys_write.entry_SYSCALL_64_fastpath 2.27 ± 3% -18.0% 1.86 ± 3% perf-profile.cpu-cycles.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common 0.75 ± 1% +45.0% 1.09 ± 4% perf-profile.cpu-cycles.selinux_file_permission.security_file_permission.rw_verify_area.vfs_write.sys_write 1.36 ± 6% +29.5% 1.76 ± 11% perf-profile.cpu-cycles.tick_program_event.__remove_hrtimer.hrtimer_start_range_ns.tick_nohz_stop_sched_tick.__tick_nohz_idle_enter 0.87 ± 2% +30.0% 1.13 ± 2% perf-profile.cpu-cycles.update_cfs_shares.dequeue_entity.dequeue_task_fair.dequeue_task.deactivate_task 516.25 ±136% +301.7% 2073 ± 61% sched_debug.cfs_rq[0]:/.blocked_load_avg 14524 ± 11% +18.9% 17267 ± 10% sched_debug.cfs_rq[0]:/.tg_load_avg 596.25 ±116% +270.8% 2211 ± 60% sched_debug.cfs_rq[0]:/.tg_load_contrib 14343 ± 11% +19.5% 17147 ± 10% sched_debug.cfs_rq[10]:/.tg_load_avg 14335 ± 11% +19.4% 17110 ± 10% sched_debug.cfs_rq[11]:/.tg_load_avg 1.75 ± 47% +171.4% 4.75 ± 27% sched_debug.cfs_rq[1]:/.nr_spread_over 14489 ± 11% +19.0% 17248 ± 10% sched_debug.cfs_rq[1]:/.tg_load_avg 14483 ± 11% +19.1% 17253 ± 10% sched_debug.cfs_rq[2]:/.tg_load_avg 455.25 ± 27% +28.8% 586.50 ± 10% sched_debug.cfs_rq[2]:/.utilization_load_avg 14430 ± 10% +19.4% 17232 ± 10% sched_debug.cfs_rq[3]:/.tg_load_avg 14424 ± 10% +19.3% 17213 ± 10% sched_debug.cfs_rq[4]:/.tg_load_avg 14420 ± 10% +19.3% 17199 ± 10% sched_debug.cfs_rq[5]:/.tg_load_avg 14408 ± 10% +19.3% 17192 ± 10% sched_debug.cfs_rq[6]:/.tg_load_avg 14382 ± 10% +19.4% 17179 ± 10% sched_debug.cfs_rq[7]:/.tg_load_avg 1865 ± 18% -65.5% 642.75 ± 56% sched_debug.cfs_rq[8]:/.blocked_load_avg 14377 ± 10% +19.4% 17163 ± 10% sched_debug.cfs_rq[8]:/.tg_load_avg 1914 ± 18% -62.4% 719.00 ± 53% sched_debug.cfs_rq[8]:/.tg_load_contrib 14368 ± 10% +19.4% 17154 ± 10% sched_debug.cfs_rq[9]:/.tg_load_avg 72.25 ± 9% +34.6% 97.25 ± 9% sched_debug.cpu#0.cpu_load[0] 290172 ± 7% -16.0% 243745 ± 17% sched_debug.cpu#1.avg_idle 54.25 ± 3% +12.9% 61.25 ± 3% sched_debug.cpu#1.cpu_load[2] 54.00 ± 3% +13.9% 61.50 ± 3% sched_debug.cpu#1.cpu_load[3] 54.00 ± 3% +10.2% 59.50 ± 4% sched_debug.cpu#1.cpu_load[4] 19375134 ± 14% -12.2% 17015561 ± 4% sched_debug.cpu#2.nr_switches 19375189 ± 14% -12.2% 17015610 ± 4% sched_debug.cpu#2.sched_count 5658065 ± 24% -20.9% 4473053 ± 9% sched_debug.cpu#2.sched_goidle 1600 ± 21% +28.5% 2056 ± 9% sched_debug.cpu#3.curr->pid 42.75 ± 6% +18.1% 50.50 ± 8% sched_debug.cpu#5.cpu_load[2] 88.50 ± 19% -32.8% 59.50 ± 28% sched_debug.cpu#6.cpu_load[0] 0.30 ± 93% -78.8% 0.06 ±102% sched_debug.rt_rq[1]:/.rt_time 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: lkp-a03/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/lock1 commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 7478 ± 0% +1.2% 7569 ± 0% will-it-scale.time.maximum_resident_set_size 8398 ± 0% +6.2% 8920 ± 0% will-it-scale.time.minor_page_faults 51892 ± 17% +27.6% 66228 ± 12% meminfo.DirectMap4k 29992 ± 8% +12.8% 33842 ± 4% softirqs.RCU 29.63 ± 4% +10.0% 32.61 ± 3% time.user_time 17682 ± 7% +5.3% 18625 ± 7% vmstat.system.cs 247.25 ± 2% -15.5% 209.00 ± 15% sched_debug.cfs_rq[0]:/.load 853.50 ± 1% -11.9% 751.75 ± 7% sched_debug.cfs_rq[0]:/.utilization_load_avg 35.25 ± 4% -18.4% 28.75 ± 5% sched_debug.cfs_rq[3]:/.nr_spread_over 2348 ± 1% -8.6% 2145 ± 5% sched_debug.cpu#0.curr->pid 247.00 ± 2% -15.4% 209.00 ± 15% sched_debug.cpu#0.load 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: wsm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/malloc2 commit: 6a1debd14048f8067c4d0ed8b41149a3ef178cbf 30874f21ed9bf392ca910600df8bb1dbfd9beabb 6a1debd14048f806 30874f21ed9bf392ca910600df ---------------- -------------------------- %stddev %change %stddev \ | \ 11144 ± 0% +12.5% 12538 ± 0% will-it-scale.time.minor_page_faults 202651 ± 3% -14.4% 173458 ± 2% latency_stats.hits.pipe_wait.pipe_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 11144 ± 0% +12.5% 12538 ± 0% time.minor_page_faults 16.86 ± 31% -73.8% 4.41 ±100% perf-profile.cpu-cycles.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 57.17 ± 10% +36.3% 77.94 ± 18% perf-profile.cpu-cycles.cpu_startup_entry.start_secondary 16.80 ± 31% -73.9% 4.39 ±100% perf-profile.cpu-cycles.cpuidle_enter.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations 16.11 ± 31% -73.5% 4.27 ±100% perf-profile.cpu-cycles.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.rest_init.start_kernel 56.70 ± 10% +36.7% 77.50 ± 18% perf-profile.cpu-cycles.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_secondary 0.97 ±100% -93.8% 0.06 ±-1666% perf-profile.cpu-cycles.do_set_pte.filemap_map_pages.handle_pte_fault.handle_mm_fault.__do_page_fault 1.96 ± 78% -77.8% 0.43 ±135% perf-profile.cpu-cycles.filemap_map_pages.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault 3.18 ± 34% -75.9% 0.77 ± 85% perf-profile.cpu-cycles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault 15.91 ± 33% -74.9% 4.00 ±101% perf-profile.cpu-cycles.poll_idle.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.rest_init 56.07 ± 11% +37.8% 77.28 ± 18% perf-profile.cpu-cycles.poll_idle.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_secondary 17.10 ± 30% -66.8% 5.68 ± 59% perf-profile.cpu-cycles.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel 17.10 ± 30% -66.8% 5.68 ± 59% perf-profile.cpu-cycles.start_kernel.x86_64_start_reservations.x86_64_start_kernel 57.18 ± 10% +36.3% 77.94 ± 18% perf-profile.cpu-cycles.start_secondary 17.10 ± 30% -66.8% 5.68 ± 59% perf-profile.cpu-cycles.x86_64_start_kernel 17.10 ± 30% -66.8% 5.68 ± 59% perf-profile.cpu-cycles.x86_64_start_reservations.x86_64_start_kernel 6.50 ± 38% -61.5% 2.50 ± 72% sched_debug.cfs_rq[1]:/.nr_spread_over -197566 ±-35% +57.5% -311256 ±-11% sched_debug.cfs_rq[4]:/.spread0 851471 ± 8% -10.5% 762192 ± 2% sched_debug.cfs_rq[6]:/.min_vruntime 735.50 ± 44% +98.3% 1458 ± 47% sched_debug.cfs_rq[8]:/.blocked_load_avg 796.75 ± 38% +91.2% 1523 ± 46% sched_debug.cfs_rq[8]:/.tg_load_contrib 52.75 ± 25% +73.9% 91.75 ± 29% sched_debug.cfs_rq[9]:/.load 610312 ± 9% -12.3% 535184 ± 1% sched_debug.cfs_rq[9]:/.min_vruntime 52.75 ± 25% +65.4% 87.25 ± 29% sched_debug.cfs_rq[9]:/.runnable_load_avg 1373175 ±101% -99.2% 10693 ± 42% sched_debug.cpu#1.ttwu_count 58262 ± 0% +11.2% 64777 ± 6% sched_debug.cpu#10.nr_load_updates 39758 ± 47% -60.2% 15813 ± 55% sched_debug.cpu#11.nr_switches 39788 ± 47% -60.2% 15839 ± 55% sched_debug.cpu#11.sched_count 18721 ± 51% -68.6% 5869 ± 55% sched_debug.cpu#11.sched_goidle 73.50 ± 10% -20.1% 58.75 ± 7% sched_debug.cpu#4.cpu_load[2] 68.50 ± 5% -16.8% 57.00 ± 7% sched_debug.cpu#4.cpu_load[3] 64.50 ± 6% -13.6% 55.75 ± 7% sched_debug.cpu#4.cpu_load[4] 965204 ±119% -99.0% 10127 ± 80% sched_debug.cpu#7.nr_switches 965234 ±119% -98.9% 10157 ± 79% sched_debug.cpu#7.sched_count 492436 ±119% -98.7% 6337 ± 96% sched_debug.cpu#7.ttwu_count 478601 ±120% -99.8% 733.50 ± 51% sched_debug.cpu#7.ttwu_local 52.75 ± 25% +65.4% 87.25 ± 29% sched_debug.cpu#9.cpu_load[0] 53.25 ± 24% +30.0% 69.25 ± 17% sched_debug.cpu#9.cpu_load[1] 1920 ± 8% +21.6% 2334 ± 4% sched_debug.cpu#9.curr->pid 52.75 ± 25% +73.9% 91.75 ± 29% sched_debug.cpu#9.load 0.69 ± 67% +358.0% 3.14 ±114% sched_debug.rt_rq[0]:/.rt_time 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features bay: Pentium D Memory: 2G nhm4: Nehalem Memory: 4G mtp-ivy1: Ivy Bridge Memory: 32G xps2: Nehalem Memory: 4G wsm: Westmere Memory: 6G lkp-a03: Atom Memory: 8G 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 --=-k0P6uArMN6Dafx/5aOMk 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: activate-monitor kmsg: uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: d65f27d8ae4d23463b6d12d0b1358da9dd7a7016 model: Pentium D nr_cpu: 4 memory: 2G hdd_partitions: "/dev/disk/by-id/ata-ST3750528AS_6VP2TCZN-part1" swap_partitions: "/dev/disk/by-id/ata-ST3750528AS_9VP5LPHN-part5" rootfs_partition: "/dev/disk/by-id/ata-ST3750528AS_6VP2TCZN-part2" netconsole_port: 6645 category: benchmark period: 600s nr_threads: 100% disk: 1HDD fs: btrfs size: 64G fileio: filenum: 1024f rwmode: seqwr iomode: sync queue: cyclic testbox: bay tbox_group: bay kconfig: x86_64-rhel enqueue_time: 2015-07-03 10:11:32.272854931 +08:00 user: wfg compiler: gcc-4.9 head_commit: d65f27d8ae4d23463b6d12d0b1358da9dd7a7016 base_commit: b953c0d234bc72e8489d3bf51a276c5c4ec85345 branch: linux-devel/devel-hourly-2015070405 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/d65f27d8ae4d23463b6d12d0b1358da9dd7a7016/vmlinuz-4.1.0-04951-gd65f27d" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-seqwr-sync/bay/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d65f27d8ae4d23463b6d12d0b1358da9dd7a7016/0" job_file: "/lkp/scheduled/bay/cyclic_fileio-performance-600s-100%-1HDD-btrfs-64G-1024f-seqwr-sync-x86_64-rhel-CYCLIC_HEAD-d65f27d8ae4d23463b6d12d0b1358da9dd7a7016-20150703-36809-xxr605-0.yaml" dequeue_time: 2015-07-04 12:29:42.314682236 +08:00 max_uptime: 1855.0200000000004 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=wfg - job=/lkp/scheduled/bay/cyclic_fileio-performance-600s-100%-1HDD-btrfs-64G-1024f-seqwr-sync-x86_64-rhel-CYCLIC_HEAD-d65f27d8ae4d23463b6d12d0b1358da9dd7a7016-20150703-36809-xxr605-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015070405 - commit=d65f27d8ae4d23463b6d12d0b1358da9dd7a7016 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/d65f27d8ae4d23463b6d12d0b1358da9dd7a7016/vmlinuz-4.1.0-04951-gd65f27d - max_uptime=1855 - RESULT_ROOT=/result/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-seqwr-sync/bay/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d65f27d8ae4d23463b6d12d0b1358da9dd7a7016/0 - LKP_SERVER=inn - |2- 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/wfg/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/d65f27d8ae4d23463b6d12d0b1358da9dd7a7016/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: 6.29 4.91 2.64 1/147 8441 start_time: '1435984221' end_time: '1435984821' version: "/lkp/wfg/.src-20150701-135857" --=-k0P6uArMN6Dafx/5aOMk 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/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor mkfs -t btrfs /dev/sda1 mount -t btrfs /dev/sda1 /fs/sda1 cd /fs/sda1 sysbench --test=fileio --max-requests=0 --num-threads=4 --max-time=600 --file-test-mode=seqwr --file-total-size=68719476736 --file-io-mode=sync --file-num=1024 run --=-k0P6uArMN6Dafx/5aOMk--