FYI, we noticed the below changes on ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: ivb42/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/execl commit: fde7d22e01aa0d252fc5c95fa11f0dac35a4dd59 3e386d56bafbb6d2540b49367444997fc671ea69 fde7d22e01aa0d25 3e386d56bafbb6d2540b493674 ---------------- -------------------------- %stddev %change %stddev \ | \ 706.60 ± 0% +7.1% 756.42 ± 0% unixbench.score 271496 ± 0% +6.2% 288421 ± 0% unixbench.time.involuntary_context_switches 12630377 ± 0% +7.0% 13516262 ± 0% unixbench.time.minor_page_faults 11.78 ± 2% +18.5% 13.96 ± 0% time.user_time 2.932e+08 ± 14% -87.8% 35868049 ± 5% cpuidle.C3-IVT.time 12344 ± 3% -57.7% 5226 ± 9% cpuidle.C3-IVT.usage 5132879 ± 1% +16.5% 5979941 ± 7% numa-numastat.node1.local_node 5132891 ± 1% +16.5% 5979952 ± 7% numa-numastat.node1.numa_hit 16780 ± 4% -15.0% 14258 ± 4% slabinfo.kmalloc-256.active_objs 17113 ± 4% -14.8% 14586 ± 4% slabinfo.kmalloc-256.num_objs 1.86 ± 0% -1.9% 1.83 ± 0% turbostat.%Busy 10.10 ± 12% -86.8% 1.33 ± 4% turbostat.CPU%c3 79.45 ± 1% +11.5% 88.61 ± 0% turbostat.CPU%c6 60.59 ± 0% -11.0% 53.93 ± 1% turbostat.CorWatt 5.65 ± 4% +264.6% 20.61 ± 3% turbostat.Pkg%pc2 0.77 ± 58% -73.9% 0.20 ±100% turbostat.Pkg%pc3 88.20 ± 0% -7.8% 81.34 ± 1% turbostat.PkgWatt 5.09 ± 0% -2.8% 4.95 ± 1% turbostat.RAMWatt 38088 ± 6% -52.1% 18242 ± 34% sched_debug.cfs_rq[0]:/.min_vruntime 24954 ± 8% -60.3% 9916 ± 39% sched_debug.cfs_rq[10]:/.min_vruntime 30849 ± 25% -52.0% 14817 ± 39% sched_debug.cfs_rq[11]:/.min_vruntime 37.00 ± 82% -74.3% 9.50 ± 81% sched_debug.cfs_rq[11]:/.util_avg 30585 ± 8% -62.9% 11360 ± 21% sched_debug.cfs_rq[12]:/.min_vruntime 29033 ± 18% -64.0% 10445 ± 28% sched_debug.cfs_rq[13]:/.min_vruntime 32558 ± 10% -68.1% 10380 ± 25% sched_debug.cfs_rq[14]:/.min_vruntime 1059 ± 6% +83.6% 1945 ± 67% sched_debug.cfs_rq[15]:/.exec_clock 27378 ± 12% -58.3% 11429 ± 36% sched_debug.cfs_rq[15]:/.min_vruntime 25520 ± 15% -58.1% 10691 ± 47% sched_debug.cfs_rq[16]:/.min_vruntime 30656 ± 18% -67.6% 9934 ± 30% sched_debug.cfs_rq[17]:/.min_vruntime 3.00 ± 40% +2483.3% 77.50 ±156% sched_debug.cfs_rq[18]:/.load_avg 27897 ± 21% -63.6% 10160 ± 21% sched_debug.cfs_rq[18]:/.min_vruntime 3.00 ± 40% +2475.0% 77.25 ±156% sched_debug.cfs_rq[18]:/.tg_load_avg_contrib 27784 ± 13% -61.4% 10716 ± 28% sched_debug.cfs_rq[19]:/.min_vruntime 1.00 ±-100% +75.0% 1.75 ± 47% sched_debug.cfs_rq[19]:/.nr_spread_over 1949 ± 45% -45.7% 1057 ± 20% sched_debug.cfs_rq[1]:/.exec_clock 32447 ± 16% -69.0% 10058 ± 34% sched_debug.cfs_rq[1]:/.min_vruntime 28770 ± 19% -59.8% 11565 ± 36% sched_debug.cfs_rq[20]:/.min_vruntime 30065 ± 13% -61.1% 11706 ± 25% sched_debug.cfs_rq[21]:/.min_vruntime 28042 ± 16% -67.6% 9090 ± 23% sched_debug.cfs_rq[22]:/.min_vruntime 27289 ± 18% -58.2% 11419 ± 27% sched_debug.cfs_rq[23]:/.min_vruntime 23431 ± 21% -67.0% 7737 ± 35% sched_debug.cfs_rq[24]:/.min_vruntime 0.00 ± 0% +Inf% 116.25 ±170% sched_debug.cfs_rq[25]:/.load_avg 25502 ± 9% -66.3% 8603 ± 29% sched_debug.cfs_rq[25]:/.min_vruntime 0.00 ± 0% +Inf% 116.25 ±170% sched_debug.cfs_rq[25]:/.tg_load_avg_contrib 25720 ± 16% -64.8% 9058 ± 48% sched_debug.cfs_rq[26]:/.min_vruntime 26035 ± 15% -63.6% 9485 ± 39% sched_debug.cfs_rq[27]:/.min_vruntime 26648 ± 7% -68.8% 8316 ± 26% sched_debug.cfs_rq[28]:/.min_vruntime 24833 ± 20% -66.2% 8394 ± 41% sched_debug.cfs_rq[29]:/.min_vruntime 44.50 ± 50% -83.1% 7.50 ± 64% sched_debug.cfs_rq[29]:/.util_avg 29817 ± 3% -59.6% 12057 ± 21% sched_debug.cfs_rq[2]:/.min_vruntime 26058 ± 11% -62.0% 9900 ± 34% sched_debug.cfs_rq[30]:/.min_vruntime 22433 ± 13% -64.0% 8083 ± 45% sched_debug.cfs_rq[31]:/.min_vruntime 25121 ± 17% -67.8% 8092 ± 39% sched_debug.cfs_rq[32]:/.min_vruntime 22525 ± 15% -64.5% 7985 ± 47% sched_debug.cfs_rq[33]:/.min_vruntime 21583 ± 2% -60.8% 8451 ± 35% sched_debug.cfs_rq[34]:/.min_vruntime 23653 ± 18% -69.3% 7256 ± 29% sched_debug.cfs_rq[35]:/.min_vruntime 24629 ± 21% -58.0% 10337 ± 24% sched_debug.cfs_rq[36]:/.min_vruntime 0.00 ± 0% +Inf% 2.25 ± 48% sched_debug.cfs_rq[37]:/.load_avg 27117 ± 15% -70.2% 8093 ± 32% sched_debug.cfs_rq[37]:/.min_vruntime 0.00 ± 0% +Inf% 2.25 ± 48% sched_debug.cfs_rq[37]:/.tg_load_avg_contrib 0.50 ±100% +450.0% 2.75 ± 30% sched_debug.cfs_rq[38]:/.load_avg 24524 ± 15% -64.3% 8764 ± 28% sched_debug.cfs_rq[38]:/.min_vruntime 0.50 ±100% +450.0% 2.75 ± 30% sched_debug.cfs_rq[38]:/.tg_load_avg_contrib 24164 ± 23% -67.4% 7871 ± 45% sched_debug.cfs_rq[39]:/.min_vruntime 1100 ± 14% +40.9% 1550 ± 28% sched_debug.cfs_rq[3]:/.exec_clock 27801 ± 8% -53.8% 12833 ± 25% sched_debug.cfs_rq[3]:/.min_vruntime 25596 ± 24% -77.2% 5828 ± 37% sched_debug.cfs_rq[40]:/.min_vruntime 0.00 ± 0% +Inf% 1.75 ± 74% sched_debug.cfs_rq[41]:/.load_avg 25382 ± 16% -71.5% 7225 ± 39% sched_debug.cfs_rq[41]:/.min_vruntime 0.00 ± 0% +Inf% 1.75 ± 74% sched_debug.cfs_rq[41]:/.tg_load_avg_contrib 1.00 ±141% +325.0% 4.25 ± 50% sched_debug.cfs_rq[42]:/.load_avg 22692 ± 13% -61.6% 8702 ± 38% sched_debug.cfs_rq[42]:/.min_vruntime 1.00 ±141% +325.0% 4.25 ± 50% sched_debug.cfs_rq[42]:/.tg_load_avg_contrib 25387 ± 7% -70.2% 7574 ± 33% sched_debug.cfs_rq[43]:/.min_vruntime 23889 ± 14% -60.1% 9530 ± 67% sched_debug.cfs_rq[44]:/.min_vruntime 0.25 ±173% +1000.0% 2.75 ± 39% sched_debug.cfs_rq[45]:/.load_avg 21897 ± 15% -54.6% 9943 ± 28% sched_debug.cfs_rq[45]:/.min_vruntime -16192 ± -7% -48.7% -8303 ±-51% sched_debug.cfs_rq[45]:/.spread0 0.25 ±173% +1000.0% 2.75 ± 39% sched_debug.cfs_rq[45]:/.tg_load_avg_contrib 24639 ± 21% -64.1% 8855 ± 39% sched_debug.cfs_rq[46]:/.min_vruntime 25239 ± 6% -59.0% 10353 ± 37% sched_debug.cfs_rq[47]:/.min_vruntime 3.25 ± 90% +1738.5% 59.75 ±148% sched_debug.cfs_rq[4]:/.load_avg 27745 ± 7% -59.1% 11337 ± 21% sched_debug.cfs_rq[4]:/.min_vruntime 3.25 ± 90% +1738.5% 59.75 ±148% sched_debug.cfs_rq[4]:/.tg_load_avg_contrib 26.00 ± 98% +309.6% 106.50 ± 82% sched_debug.cfs_rq[4]:/.util_avg 25027 ± 11% -52.7% 11834 ± 29% sched_debug.cfs_rq[5]:/.min_vruntime 26777 ± 13% -60.3% 10631 ± 61% sched_debug.cfs_rq[6]:/.min_vruntime 25.00 ± 45% -62.0% 9.50 ± 75% sched_debug.cfs_rq[6]:/.util_avg 25408 ± 9% -49.0% 12966 ± 51% sched_debug.cfs_rq[7]:/.min_vruntime 25245 ± 12% -58.6% 10460 ± 27% sched_debug.cfs_rq[8]:/.min_vruntime 850.74 ± 6% +24.9% 1062 ± 12% sched_debug.cfs_rq[9]:/.exec_clock 21282 ± 6% -47.5% 11170 ± 29% sched_debug.cfs_rq[9]:/.min_vruntime -16808 ±-13% -57.9% -7076 ±-46% sched_debug.cfs_rq[9]:/.spread0 13055 ± 9% -12.4% 11442 ± 12% sched_debug.cpu#10.nr_switches 5695 ± 9% -16.9% 4734 ± 13% sched_debug.cpu#10.sched_goidle 7680 ± 7% +19.8% 9198 ± 11% sched_debug.cpu#15.nr_load_updates 12164 ± 4% +17.2% 14262 ± 7% sched_debug.cpu#18.sched_count 2403 ± 14% +22.4% 2942 ± 5% sched_debug.cpu#18.ttwu_local 1.00 ±212% -375.0% -2.75 ±-53% sched_debug.cpu#22.nr_uninterruptible 2288 ± 15% +24.2% 2841 ± 9% sched_debug.cpu#23.ttwu_local 2414 ± 23% -31.2% 1660 ± 15% sched_debug.cpu#24.ttwu_count 2156 ± 15% -28.2% 1549 ± 13% sched_debug.cpu#24.ttwu_local 2077 ± 15% -24.8% 1562 ± 14% sched_debug.cpu#29.ttwu_count 1719 ± 6% -14.5% 1470 ± 11% sched_debug.cpu#34.ttwu_local 2347 ± 25% -23.3% 1799 ± 11% sched_debug.cpu#47.ttwu_local -4.00 ±-39% -137.5% 1.50 ±238% sched_debug.cpu#9.nr_uninterruptible ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/test: nhm-white2/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/shell1 commit: fde7d22e01aa0d252fc5c95fa11f0dac35a4dd59 3e386d56bafbb6d2540b49367444997fc671ea69 fde7d22e01aa0d25 3e386d56bafbb6d2540b493674 ---------------- -------------------------- %stddev %change %stddev \ | \ 7433 ± 0% -0.8% 7376 ± 0% unixbench.time.maximum_resident_set_size 4602 ± 19% +33.2% 6132 ± 0% meminfo.AnonHugePages 0.31 ± 72% -75.4% 0.08 ± 6% turbostat.Pkg%pc3 7552 ± 2% -11.9% 6656 ± 0% slabinfo.kmalloc-8.active_objs 7552 ± 2% -11.9% 6656 ± 0% slabinfo.kmalloc-8.num_objs 46156 ± 6% +17.4% 54180 ± 0% vmstat.system.cs 12893 ± 8% +27.1% 16386 ± 0% vmstat.system.in 3060906 ± 6% +34.5% 4117057 ± 1% cpuidle.C1-NHM.usage 7.226e+08 ± 23% -24.1% 5.487e+08 ± 0% cpuidle.C6-NHM.time 157908 ± 5% -40.7% 93649 ± 5% cpuidle.POLL.time 11920829 ±119% -100.0% 0.00 ± -1% 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 2145589 ±105% -100.0% 404.50 ± 8% latency_stats.avg.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 19732421 ±101% -100.0% 0.00 ± -1% 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 20091553 ±101% -100.0% 1856 ± 7% latency_stats.max.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 24618851 ±108% -100.0% 0.00 ± -1% 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 20945539 ±101% -100.0% 4420 ± 1% latency_stats.sum.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 0.00 ± 0% +8.4e+13% 837002 ± 86% sched_debug.cfs_rq[0]:/.MIN_vruntime 0.00 ± 0% +8.4e+13% 837002 ± 86% sched_debug.cfs_rq[0]:/.max_vruntime 8.50 ± 54% +2647.1% 233.50 ± 93% sched_debug.cfs_rq[1]:/.load 204224 ± 47% -87.2% 26105 ± 16% sched_debug.cfs_rq[1]:/.spread0 10.25 ± 19% -51.2% 5.00 ± 0% sched_debug.cfs_rq[2]:/.nr_spread_over 173.00 ± 38% -100.0% 0.00 ± -1% sched_debug.cfs_rq[2]:/.removed_load_avg 170.00 ± 39% -100.0% 0.00 ± -1% sched_debug.cfs_rq[2]:/.removed_util_avg 5.00 ± 44% +70.0% 8.50 ± 5% sched_debug.cfs_rq[3]:/.nr_spread_over 7.25 ± 64% +127.6% 16.50 ± 21% sched_debug.cfs_rq[3]:/.util_avg 13.25 ± 11% -66.0% 4.50 ± 77% sched_debug.cfs_rq[4]:/.load -11087 ±-722% +1314.6% -156849 ± 0% sched_debug.cfs_rq[4]:/.spread0 0.25 ±173% +3.3e+05% 829.50 ± 99% sched_debug.cfs_rq[6]:/.load_avg 41.67 ±141% +243.2% 143.00 ± 0% sched_debug.cfs_rq[6]:/.removed_load_avg 41.67 ±141% +243.2% 143.00 ± 0% sched_debug.cfs_rq[6]:/.removed_util_avg 5.25 ± 15% +195.2% 15.50 ± 54% sched_debug.cfs_rq[6]:/.runnable_load_avg 7903 ±1955% -4052.1% -312364 ± 0% sched_debug.cfs_rq[6]:/.spread0 0.25 ±173% +3.3e+05% 829.50 ± 99% sched_debug.cfs_rq[6]:/.tg_load_avg_contrib 4.75 ± 17% +36.8% 6.50 ± 7% sched_debug.cpu#0.cpu_load[0] 7.00 ± 17% -35.7% 4.50 ± 11% sched_debug.cpu#1.cpu_load[2] 8.00 ± 57% +93.8% 15.50 ± 9% sched_debug.cpu#1.load 4.00 ± 17% +37.5% 5.50 ± 9% sched_debug.cpu#2.cpu_load[1] 14.00 ± 13% -67.9% 4.50 ± 77% sched_debug.cpu#4.load 122580 ± 50% -35.6% 78933 ± 0% sched_debug.cpu#4.ttwu_local 537910 ± 8% +15.5% 621138 ± 7% sched_debug.cpu#5.avg_idle 4.00 ± 81% +1875.0% 79.00 ± 88% sched_debug.cpu#5.cpu_load[0] 117.75 ± 15% +22.3% 144.00 ± 0% sched_debug.cpu#5.nr_uninterruptible 3.50 ± 31% +342.9% 15.50 ± 54% sched_debug.cpu#6.cpu_load[0] 4.50 ± 19% +233.3% 15.00 ± 60% sched_debug.cpu#6.cpu_load[1] 1039435 ± 86% +469.1% 5915058 ± 4% sched_debug.cpu#6.nr_switches 1039727 ± 86% +468.9% 5915290 ± 4% sched_debug.cpu#6.sched_count 430761 ± 96% +528.8% 2708717 ± 4% sched_debug.cpu#6.sched_goidle 458677 ± 97% +533.5% 2905713 ± 4% sched_debug.cpu#6.ttwu_count 334147 ±135% +734.5% 2788322 ± 4% sched_debug.cpu#6.ttwu_local 481139 ± 12% +26.2% 607278 ± 5% sched_debug.cpu#7.avg_idle 14.75 ± 24% +66.1% 24.50 ± 2% sched_debug.cpu#7.load 2.65 ±133% -99.7% 0.01 ± 5% sched_debug.rt_rq[4]:/.rt_time 0.44 ±171% +1999.6% 9.32 ± 28% sched_debug.rt_rq[6]:/.rt_time ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/test: nhm-white2/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/spawn commit: fde7d22e01aa0d252fc5c95fa11f0dac35a4dd59 3e386d56bafbb6d2540b49367444997fc671ea69 fde7d22e01aa0d25 3e386d56bafbb6d2540b493674 ---------------- -------------------------- %stddev %change %stddev \ | \ 352.00 ± 9% -27.3% 256.00 ± 0% slabinfo.kmem_cache_node.active_objs 352.00 ± 9% -27.3% 256.00 ± 0% slabinfo.kmem_cache_node.num_objs 1865 ± 4% -12.9% 1625 ± 2% slabinfo.proc_inode_cache.num_objs 10.00 ± 15% -35.0% 6.50 ± 7% sched_debug.cfs_rq[1]:/.nr_spread_over 18.75 ±136% +121.3% 41.50 ± 80% sched_debug.cfs_rq[1]:/.util_avg 4.75 ± 22% +173.7% 13.00 ± 0% sched_debug.cfs_rq[2]:/.nr_spread_over 7.50 ± 27% -53.3% 3.50 ± 14% sched_debug.cfs_rq[4]:/.nr_spread_over 28.25 ± 69% -69.9% 8.50 ± 17% sched_debug.cfs_rq[4]:/.tg_load_avg 27.25 ± 61% -74.3% 7.00 ± 0% sched_debug.cfs_rq[5]:/.tg_load_avg 3.75 ± 22% +180.0% 10.50 ± 14% sched_debug.cfs_rq[6]:/.nr_spread_over 28.00 ± 60% -75.0% 7.00 ± 0% sched_debug.cfs_rq[6]:/.tg_load_avg 28.00 ± 60% -75.0% 7.00 ± 0% sched_debug.cfs_rq[7]:/.tg_load_avg 196603 ± 40% +42.3% 279845 ± 2% sched_debug.cpu#0.avg_idle 56905 ± 7% +12.2% 63846 ± 2% sched_debug.cpu#1.nr_load_updates 693272 ± 6% +119.9% 1524462 ± 53% sched_debug.cpu#1.nr_switches 693317 ± 6% +119.9% 1524508 ± 53% sched_debug.cpu#1.sched_count 308355 ± 7% +126.2% 697610 ± 54% sched_debug.cpu#1.sched_goidle 33.25 ± 89% -98.5% 0.50 ±100% sched_debug.cpu#2.cpu_load[1] 5231 ± 29% -98.2% 94.00 ±100% sched_debug.cpu#2.curr->pid 26.25 ± 76% -96.2% 1.00 ±100% sched_debug.cpu#4.cpu_load[2] 28.50 ± 68% -82.5% 5.00 ± 20% sched_debug.cpu#4.cpu_load[3] 25.75 ± 57% -74.8% 6.50 ± 23% sched_debug.cpu#4.cpu_load[4] 42205 ± 2% +8.4% 45742 ± 2% sched_debug.cpu#4.nr_load_updates 0.75 ±110% +7300.0% 55.50 ± 72% sched_debug.cpu#5.cpu_load[1] 3.75 ± 78% +1806.7% 71.50 ± 31% sched_debug.cpu#5.cpu_load[2] 8.75 ± 50% +580.0% 59.50 ± 12% sched_debug.cpu#5.cpu_load[3] 11.75 ± 25% +257.4% 42.00 ± 7% sched_debug.cpu#5.cpu_load[4] 2713 ± 98% +111.7% 5745 ± 23% sched_debug.cpu#6.curr->pid 21.75 ± 17% -33.3% 14.50 ± 3% sched_debug.cpu#7.nr_uninterruptible 0.00 ±107% +1.3e+06% 30.31 ± 99% sched_debug.rt_rq[5]:/.rt_time ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/test: nhm-white/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/spawn commit: fde7d22e01aa0d252fc5c95fa11f0dac35a4dd59 3e386d56bafbb6d2540b49367444997fc671ea69 fde7d22e01aa0d25 3e386d56bafbb6d2540b493674 ---------------- -------------------------- %stddev %change %stddev \ | \ 57856 ± 3% -10.6% 51712 ± 1% meminfo.DirectMap4k 545000 ±173% -98.4% 8731 ± 95% latency_stats.avg.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 4731410 ±173% -98.4% 75096 ± 97% latency_stats.max.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 6539353 ±173% -98.8% 78590 ± 95% latency_stats.sum.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath 5.00 ± 50% +670.0% 38.50 ± 55% sched_debug.cfs_rq[0]:/.util_avg 0.50 ±100% +600.0% 3.50 ± 42% sched_debug.cfs_rq[1]:/.load 6.75 ± 21% -55.6% 3.00 ± 0% sched_debug.cfs_rq[2]:/.nr_spread_over 1.50 ±137% +333.3% 6.50 ± 23% sched_debug.cfs_rq[5]:/.load 2.50 ±103% -100.0% 0.00 ± -1% sched_debug.cfs_rq[6]:/.load_avg 2.50 ±103% -100.0% 0.00 ± -1% sched_debug.cfs_rq[6]:/.tg_load_avg_contrib 6.00 ± 35% +91.7% 11.50 ± 13% sched_debug.cfs_rq[7]:/.nr_spread_over 30.00 ± 78% -98.3% 0.50 ±100% sched_debug.cpu#0.cpu_load[2] 26.75 ± 47% -86.9% 3.50 ±100% sched_debug.cpu#0.cpu_load[3] 20.75 ± 31% -71.1% 6.00 ±100% sched_debug.cpu#0.cpu_load[4] -9.50 ±-15% +126.3% -21.50 ±-11% sched_debug.cpu#0.nr_uninterruptible 0.00 ± 0% +Inf% 1.50 ± 33% sched_debug.cpu#1.cpu_load[0] 0.75 ± 57% +366.7% 3.50 ± 42% sched_debug.cpu#1.load 56707 ± 5% +9.7% 62228 ± 3% sched_debug.cpu#2.nr_load_updates 0.00 ± 0% +Inf% 1.50 ± 33% sched_debug.cpu#2.nr_running 659778 ± 6% +154.5% 1679293 ± 55% sched_debug.cpu#2.nr_switches 659820 ± 6% +154.5% 1679335 ± 55% sched_debug.cpu#2.sched_count 292590 ± 6% +161.8% 765983 ± 56% sched_debug.cpu#2.sched_goidle 467991 ± 10% -26.0% 346378 ± 3% sched_debug.cpu#5.avg_idle 0.00 ± 0% +Inf% 1.00 ± 0% sched_debug.cpu#5.cpu_load[1] 6696 ± 55% -91.5% 570.00 ± 0% sched_debug.cpu#5.curr->pid 2.00 ± 86% +225.0% 6.50 ± 23% sched_debug.cpu#5.load 0.75 ±1503% +3033.3% 23.50 ± 2% sched_debug.cpu#5.nr_uninterruptible 537025 ± 2% -38.0% 333103 ± 11% sched_debug.cpu#6.avg_idle 5586 ± 59% -100.0% 0.00 ± -1% sched_debug.cpu#6.curr->pid 11.50 ± 51% -234.8% -15.50 ±-22% sched_debug.cpu#6.nr_uninterruptible 50.50 ±132% -100.0% 0.00 ± 0% sched_debug.cpu#7.cpu_load[1] 15.75 ± 47% +61.9% 25.50 ± 17% sched_debug.cpu#7.nr_uninterruptible 0.21 ± 9% +925.9% 2.15 ± 88% sched_debug.rt_rq[2]:/.rt_time 0.01 ± 12% +2.8e+05% 17.68 ± 99% sched_debug.rt_rq[6]:/.rt_time ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: lkp-sbx04/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/sched_yield commit: fde7d22e01aa0d252fc5c95fa11f0dac35a4dd59 3e386d56bafbb6d2540b49367444997fc671ea69 fde7d22e01aa0d25 3e386d56bafbb6d2540b493674 ---------------- -------------------------- %stddev %change %stddev \ | \ 6076732 ± 0% -2.9% 5899888 ± 0% will-it-scale.per_process_ops 6076808 ± 0% -2.9% 5900615 ± 0% will-it-scale.per_thread_ops 0.53 ± 0% +2.7% 0.54 ± 0% will-it-scale.scalability 436.80 ± 0% -3.3% 422.49 ± 0% will-it-scale.time.user_time 46.75 ± 82% +166.3% 124.50 ± 10% cpuidle.POLL.usage 0.04 ± 10% +88.2% 0.08 ± 23% turbostat.CPU%c3 2.22 ± 5% -23.4% 1.70 ± 1% perf-profile.cycles.__calc_delta.pick_next_task_fair.__schedule.schedule.sys_sched_yield 1.03 ± 2% +22.1% 1.26 ± 3% perf-profile.cycles.clear_buddies.pick_next_entity.pick_next_task_fair.__schedule.schedule 1.16 ± 3% -40.2% 0.70 ± 1% perf-profile.cycles.pick_next_entity.__schedule.schedule.sys_sched_yield.entry_SYSCALL_64_fastpath 5.07 ± 2% +18.8% 6.03 ± 2% perf-profile.cycles.pick_next_entity.pick_next_task_fair.__schedule.schedule.sys_sched_yield 12421 ± 2% -14.2% 10663 ± 3% slabinfo.kmalloc-192.active_objs 12422 ± 2% -12.7% 10847 ± 3% slabinfo.kmalloc-192.num_objs 13355 ± 4% -12.9% 11626 ± 3% slabinfo.kmalloc-512.active_objs 13462 ± 3% -12.2% 11817 ± 4% slabinfo.kmalloc-512.num_objs 10738466 ± 72% +144.2% 26226029 ±152% 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 13687263 ± 73% +91.6% 26226029 ±152% 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 268.25 ± 22% +3e+06% 8101959 ±173% latency_stats.max.rpc_wait_bit_killable.__rpc_execute.rpc_execute.rpc_run_task.nfs4_call_sync_sequence.[nfsv4]._nfs4_proc_access.[nfsv4].nfs4_proc_access.[nfsv4].nfs_do_access.nfs_permission.__inode_permission.inode_permission.link_path_walk 14282625 ± 75% +83.6% 26226029 ±152% 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 1758 ± 29% +4.6e+05% 8103711 ±173% latency_stats.sum.rpc_wait_bit_killable.__rpc_execute.rpc_execute.rpc_run_task.nfs4_call_sync_sequence.[nfsv4]._nfs4_proc_access.[nfsv4].nfs4_proc_access.[nfsv4].nfs_do_access.nfs_permission.__inode_permission.inode_permission.link_path_walk 3871 ± 4% -15.4% 3276 ± 6% numa-vmstat.node0.nr_slab_reclaimable 149717 ± 3% -9.0% 136293 ± 2% numa-vmstat.node2.numa_local 2065 ± 28% +63.8% 3382 ± 28% numa-vmstat.node3.nr_active_anon 650.00 ±127% +240.7% 2214 ± 1% numa-vmstat.node3.nr_inactive_anon 1252 ± 50% +89.1% 2367 ± 0% numa-vmstat.node3.nr_mapped 672.75 ±123% +323.9% 2852 ± 37% numa-vmstat.node3.nr_shmem 35218 ± 14% -14.9% 29979 ± 3% numa-meminfo.node0.Active 1017 ± 11% -21.8% 795.50 ± 9% numa-meminfo.node0.PageTables 15486 ± 4% -15.4% 13105 ± 6% numa-meminfo.node0.SReclaimable 2069 ± 5% +12.4% 2325 ± 8% numa-meminfo.node2.KernelStack 8262 ± 28% +63.8% 13530 ± 28% numa-meminfo.node3.Active(anon) 2601 ±127% +240.5% 8858 ± 1% numa-meminfo.node3.Inactive(anon) 5011 ± 50% +89.0% 9472 ± 0% numa-meminfo.node3.Mapped 2692 ±122% +323.8% 11410 ± 37% numa-meminfo.node3.Shmem 3.75 ± 47% -100.0% 0.00 ± 0% sched_debug.cfs_rq[15]:/.nr_spread_over 197.50 ± 10% -13.9% 170.00 ± 1% sched_debug.cfs_rq[20]:/.util_avg 2.00 ± 35% -83.3% 0.33 ±141% sched_debug.cfs_rq[47]:/.nr_spread_over 8.50 ± 17% +23.5% 10.50 ± 4% sched_debug.cfs_rq[59]:/.load_avg 8.50 ± 17% +23.5% 10.50 ± 4% sched_debug.cfs_rq[59]:/.tg_load_avg_contrib 423.25 ± 17% +25.4% 530.75 ± 8% sched_debug.cfs_rq[59]:/.util_avg 1.00 ±-100% +150.0% 2.50 ± 44% sched_debug.cfs_rq[8]:/.nr_spread_over 2556 ± 13% -22.6% 1979 ± 13% sched_debug.cpu#0.sched_goidle 1581 ± 27% +93.8% 3064 ± 24% sched_debug.cpu#12.sched_goidle -2.67 ±-98% +143.8% -6.50 ±-44% sched_debug.cpu#2.nr_uninterruptible 576.25 ± 26% +397.3% 2865 ± 75% sched_debug.cpu#22.ttwu_local 4410 ± 9% +68.0% 7411 ± 23% sched_debug.cpu#26.sched_goidle 3509 ± 32% -52.4% 1670 ± 12% sched_debug.cpu#27.curr->pid -2.00 ±-106% -175.0% 1.50 ±100% sched_debug.cpu#27.nr_uninterruptible 4794 ± 35% -36.9% 3024 ± 8% sched_debug.cpu#28.ttwu_count 0.25 ±1307% -2400.0% -5.75 ±-60% sched_debug.cpu#31.nr_uninterruptible 6465 ± 20% -41.9% 3755 ± 27% sched_debug.cpu#31.sched_goidle 64512 ± 24% -70.5% 19049 ±165% sched_debug.cpu#32.nr_switches 65052 ± 21% -98.8% 804.50 ± 21% sched_debug.cpu#34.nr_switches 1403 ± 30% -75.8% 339.25 ± 33% sched_debug.cpu#35.ttwu_count 608.25 ± 88% -69.5% 185.25 ± 48% sched_debug.cpu#35.ttwu_local 1034 ± 58% -68.8% 322.50 ± 25% sched_debug.cpu#39.ttwu_count 130116 ± 14% -36.5% 82684 ± 33% sched_debug.cpu#4.nr_switches 46901 ± 62% -89.3% 5030 ±124% sched_debug.cpu#40.nr_switches 37807 ± 91% -96.8% 1206 ± 9% sched_debug.cpu#41.nr_switches 893.00 ± 53% -46.3% 479.50 ± 11% sched_debug.cpu#41.sched_goidle 74766 ± 56% -74.7% 18921 ±161% sched_debug.cpu#42.nr_switches 92018 ± 22% -98.4% 1462 ± 18% sched_debug.cpu#43.nr_switches 452.50 ± 28% -34.6% 295.75 ± 18% sched_debug.cpu#43.ttwu_local 74394 ± 37% -96.7% 2453 ± 76% sched_debug.cpu#45.nr_switches 75791 ± 4% -97.5% 1887 ± 56% sched_debug.cpu#46.nr_switches 75463 ± 3% -97.5% 1882 ± 62% sched_debug.cpu#47.nr_switches 42098 ± 12% -67.9% 13516 ±119% sched_debug.cpu#49.nr_switches 468.50 ± 9% +44.0% 674.50 ± 27% sched_debug.cpu#54.sched_goidle 3.75 ± 68% -106.7% -0.25 ±-591% sched_debug.cpu#56.nr_uninterruptible brickland1: Brickland Ivy Bridge-EX Memory: 128G vm-intel12-yocto-x86_64: qemu-system-x86_64 -enable-kvm -cpu Nehalem Memory: 320M vm-vp-quantal-x86_64: qemu-system-x86_64 -enable-kvm Memory: 360M nhm4: Nehalem Memory: 4G ivb42: Ivytown Ivy Bridge-EP Memory: 64G nhm-white2: Nehalem Memory: 4G nhm-white: Nehalem Memory: 6G ivb43: Ivytown Ivy Bridge-EP Memory: 64G lkp-sbx04: Sandy Bridge-EX Memory: 64G will-it-scale.per_thread_ops 6.1e+06 ++------------------------------------------------*--------------+ | : *..*..*..*..* 6.05e+06 ++ : | | : | | : | 6e+06 ++ O O *..* | *..*.. .*.. .*... .*..*..*.. .. | 5.95e+06 ++ *. *. *..*. *..*..* | | O O | 5.9e+06 ++ O O O O O O | O O O O O O | | | 5.85e+06 ++ O O | | | 5.8e+06 ++---------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample 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