Messages in this thread | | | Date | Thu, 26 Jun 2014 09:56:16 +0800 | From | Fengguang Wu <> | Subject | [rcu] 0acd7c39a85: +11.0% will-it-scale.scalability |
| |
Hi Paul,
FYI, we are pleased to notice big performance gains in some will-it-scale test cases:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu_cond_resched.2014.06.20c commit 0acd7c39a85836d90451b6c278c5cfdd21c055f3 ("rcu: Add RCU_COND_RESCHED_QS for large systems")
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 0.30 ~ 2% +14.3% 0.34 ~ 3% lkp-sbx04/will-it-scale/open1 0.34 ~ 3% +8.1% 0.37 ~ 1% nhm4/will-it-scale/read1 0.64 ~ 3% +11.0% 0.71 ~ 2% TOTAL will-it-scale.scalability
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 592828 ~ 1% +3.8% 615531 ~ 1% lkp-sbx04/will-it-scale/open1 592828 ~ 1% +3.8% 615531 ~ 1% TOTAL will-it-scale.per_process_ops
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1689 ~ 0% +498.1% 10107 ~ 2% lkp-sbx04/will-it-scale/unlink2 1689 ~ 0% +498.1% 10107 ~ 2% TOTAL slabinfo.dentry.active_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 72052 ~ 0% +489.8% 424930 ~ 2% lkp-sbx04/will-it-scale/unlink2 72052 ~ 0% +489.8% 424930 ~ 2% TOTAL slabinfo.Acpi-State.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 71629 ~ 0% +492.6% 424494 ~ 2% lkp-sbx04/will-it-scale/unlink2 71629 ~ 0% +492.6% 424494 ~ 2% TOTAL slabinfo.Acpi-State.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1689 ~ 0% +498.1% 10107 ~ 2% lkp-sbx04/will-it-scale/unlink2 1689 ~ 0% +498.1% 10107 ~ 2% TOTAL slabinfo.dentry.num_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1412 ~ 0% +490.0% 8331 ~ 2% lkp-sbx04/will-it-scale/unlink2 1412 ~ 0% +490.0% 8331 ~ 2% TOTAL slabinfo.Acpi-State.active_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 70980 ~ 0% +498.1% 424517 ~ 2% lkp-sbx04/will-it-scale/unlink2 70980 ~ 0% +498.1% 424517 ~ 2% TOTAL slabinfo.dentry.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 70444 ~ 0% +502.0% 424054 ~ 2% lkp-sbx04/will-it-scale/unlink2 70444 ~ 0% +502.0% 424054 ~ 2% TOTAL slabinfo.dentry.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 472 ~ 0% +1557.0% 7827 ~ 2% lkp-sbx04/will-it-scale/unlink2 472 ~ 0% +1557.0% 7827 ~ 2% TOTAL slabinfo.shmem_inode_cache.num_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 472 ~ 0% +1557.0% 7827 ~ 2% lkp-sbx04/will-it-scale/unlink2 472 ~ 0% +1557.0% 7827 ~ 2% TOTAL slabinfo.shmem_inode_cache.active_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 22697 ~ 0% +1555.5% 375756 ~ 2% lkp-sbx04/will-it-scale/unlink2 22697 ~ 0% +1555.5% 375756 ~ 2% TOTAL slabinfo.shmem_inode_cache.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 22297 ~ 0% +1584.0% 375494 ~ 2% lkp-sbx04/will-it-scale/unlink2 22297 ~ 0% +1584.0% 375494 ~ 2% TOTAL slabinfo.shmem_inode_cache.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1412 ~ 0% +490.0% 8331 ~ 2% lkp-sbx04/will-it-scale/unlink2 1412 ~ 0% +490.0% 8331 ~ 2% TOTAL slabinfo.Acpi-State.num_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 230182 ~ 2% +214.7% 724407 ~ 1% lkp-sbx04/will-it-scale/open1 29926 ~ 1% +1179.6% 382938 ~ 2% lkp-sbx04/will-it-scale/unlink2 260108 ~ 2% +325.7% 1107345 ~ 1% TOTAL slabinfo.kmalloc-256.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3605 ~ 2% +214.1% 11325 ~ 1% lkp-sbx04/will-it-scale/open1 478 ~ 1% +1153.4% 5991 ~ 2% lkp-sbx04/will-it-scale/unlink2 4083 ~ 2% +324.1% 17316 ~ 1% TOTAL slabinfo.kmalloc-256.num_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3605 ~ 2% +214.1% 11325 ~ 1% lkp-sbx04/will-it-scale/open1 478 ~ 1% +1153.4% 5991 ~ 2% lkp-sbx04/will-it-scale/unlink2 4083 ~ 2% +324.1% 17316 ~ 1% TOTAL slabinfo.kmalloc-256.active_slabs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 230776 ~ 2% +214.1% 724862 ~ 1% lkp-sbx04/will-it-scale/open1 30619 ~ 1% +1152.4% 383473 ~ 2% lkp-sbx04/will-it-scale/unlink2 261395 ~ 2% +324.0% 1108335 ~ 1% TOTAL slabinfo.kmalloc-256.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 38033 ~ 2% +85.2% 70426 ~ 3% lkp-sbx04/will-it-scale/open1 27083 ~ 8% +375.9% 128878 ~ 1% lkp-sbx04/will-it-scale/unlink2 65116 ~ 4% +206.1% 199305 ~ 2% TOTAL numa-meminfo.node1.SUnreclaim
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 9470 ~ 1% +87.6% 17770 ~ 4% lkp-sbx04/will-it-scale/open1 6769 ~ 8% +375.7% 32201 ~ 1% lkp-sbx04/will-it-scale/unlink2 16240 ~ 4% +207.7% 49971 ~ 2% TOTAL numa-vmstat.node1.nr_slab_unreclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 302149 ~ 1% -73.4% 80465 ~ 0% lkp-nex05/will-it-scale/lock1 853141 ~ 2% -66.6% 284788 ~ 3% lkp-sbx04/will-it-scale/open1 693207 ~ 0% -82.6% 120744 ~ 9% lkp-sbx04/will-it-scale/unlink2 434870 ~ 2% -63.8% 157362 ~ 1% lkp-wsx01/will-it-scale/futex2 55884 ~ 5% -55.3% 24956 ~ 4% nhm4/will-it-scale/read1 2339252 ~ 1% -71.4% 668317 ~ 3% TOTAL softirqs.RCU
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 51492 ~ 3% +75.4% 90311 ~ 2% lkp-sbx04/will-it-scale/open1 39615 ~ 2% +332.8% 171468 ~ 1% lkp-sbx04/will-it-scale/unlink2 91107 ~ 3% +187.3% 261779 ~ 1% TOTAL numa-meminfo.node0.SUnreclaim
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 18566237 ~32% +133.3% 43314913 ~21% lkp-sbx04/will-it-scale/open1 22235565 ~30% +176.7% 61536286 ~21% lkp-sbx04/will-it-scale/unlink2 40801803 ~31% +157.0% 104851199 ~21% TOTAL cpuidle.C1-SNB.time
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 12835 ~ 4% +76.6% 22664 ~ 3% lkp-sbx04/will-it-scale/open1 9928 ~ 2% +331.3% 42820 ~ 1% lkp-sbx04/will-it-scale/unlink2 22764 ~ 3% +187.7% 65484 ~ 1% TOTAL numa-vmstat.node0.nr_slab_unreclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 149956 ~ 1% +81.6% 272270 ~ 1% lkp-sbx04/will-it-scale/open1 112319 ~ 0% +312.8% 463620 ~ 1% lkp-sbx04/will-it-scale/unlink2 262275 ~ 1% +180.6% 735890 ~ 1% TOTAL meminfo.SUnreclaim
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 49308 ~ 4% +66.6% 82136 ~ 3% lkp-sbx04/will-it-scale/open1 38437 ~ 5% +314.4% 159290 ~ 2% lkp-sbx04/will-it-scale/unlink2 87745 ~ 4% +175.1% 241426 ~ 2% TOTAL numa-meminfo.node1.Slab
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 37339 ~ 1% +81.4% 67717 ~ 1% lkp-sbx04/will-it-scale/open1 28028 ~ 0% +313.1% 115797 ~ 1% lkp-sbx04/will-it-scale/unlink2 65368 ~ 1% +180.7% 183514 ~ 1% TOTAL proc-vmstat.nr_slab_unreclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 31729 ~ 8% +79.4% 56907 ~ 2% lkp-sbx04/will-it-scale/open1 22831 ~ 6% +295.0% 90181 ~ 2% lkp-sbx04/will-it-scale/unlink2 54560 ~ 7% +169.6% 147088 ~ 2% TOTAL numa-meminfo.node2.SUnreclaim
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 8014 ~ 9% +77.4% 14215 ~ 3% lkp-sbx04/will-it-scale/open1 5703 ~ 6% +294.5% 22500 ~ 2% lkp-sbx04/will-it-scale/unlink2 13717 ~ 8% +167.6% 36715 ~ 2% TOTAL numa-vmstat.node2.nr_slab_unreclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 14049 ~ 9% +162.8% 36926 ~ 2% lkp-sbx04/will-it-scale/unlink2 14049 ~ 9% +162.8% 36926 ~ 2% TOTAL numa-meminfo.node0.SReclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3505 ~ 9% +163.0% 9218 ~ 1% lkp-sbx04/will-it-scale/unlink2 3505 ~ 9% +163.0% 9218 ~ 1% TOTAL numa-vmstat.node0.nr_slab_reclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 2840 ~ 6% +167.5% 7598 ~ 4% lkp-sbx04/will-it-scale/unlink2 2840 ~ 6% +167.5% 7598 ~ 4% TOTAL numa-vmstat.node1.nr_slab_reclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 11353 ~ 6% +167.9% 30411 ~ 4% lkp-sbx04/will-it-scale/unlink2 11353 ~ 6% +167.9% 30411 ~ 4% TOTAL numa-meminfo.node1.SReclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 62873 ~ 2% +60.7% 101060 ~ 2% lkp-sbx04/will-it-scale/open1 53665 ~ 2% +288.3% 208395 ~ 1% lkp-sbx04/will-it-scale/unlink2 116538 ~ 2% +165.5% 309456 ~ 1% TOTAL numa-meminfo.node0.Slab
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 195370 ~ 0% +62.8% 318033 ~ 1% lkp-sbx04/will-it-scale/open1 161158 ~ 0% +258.0% 576939 ~ 1% lkp-sbx04/will-it-scale/unlink2 356528 ~ 0% +151.0% 894972 ~ 1% TOTAL meminfo.Slab
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 28175 ~ 2% +78.7% 50339 ~ 4% lkp-sbx04/will-it-scale/open1 22550 ~10% +211.4% 70229 ~ 5% lkp-sbx04/will-it-scale/unlink2 50725 ~ 6% +137.7% 120568 ~ 5% TOTAL numa-meminfo.node3.SUnreclaim
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 7070 ~ 3% +77.8% 12570 ~ 4% lkp-sbx04/will-it-scale/open1 5633 ~10% +211.2% 17532 ~ 5% lkp-sbx04/will-it-scale/unlink2 12704 ~ 6% +137.0% 30102 ~ 5% TOTAL numa-vmstat.node3.nr_slab_unreclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 48838 ~ 1% +132.0% 113319 ~ 1% lkp-sbx04/will-it-scale/unlink2 48838 ~ 1% +132.0% 113319 ~ 1% TOTAL meminfo.SReclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 12200 ~ 1% +132.1% 28313 ~ 1% lkp-sbx04/will-it-scale/unlink2 12200 ~ 1% +132.1% 28313 ~ 1% TOTAL proc-vmstat.nr_slab_reclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 39455 ~ 5% +58.3% 62461 ~ 3% lkp-sbx04/will-it-scale/open1 33103 ~10% +172.9% 90331 ~ 3% lkp-sbx04/will-it-scale/unlink2 72559 ~ 7% +110.6% 152793 ~ 3% TOTAL numa-meminfo.node3.Slab
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 43199 ~ 8% +57.6% 68080 ~ 4% lkp-sbx04/will-it-scale/open1 35542 ~ 7% +224.5% 115339 ~ 2% lkp-sbx04/will-it-scale/unlink2 31726 ~ 7% +15.3% 36592 ~12% lkp-wsx01/will-it-scale/futex2 110469 ~ 7% +99.2% 220012 ~ 4% TOTAL numa-meminfo.node2.Slab
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 12710 ~12% +97.9% 25157 ~ 5% lkp-sbx04/will-it-scale/unlink2 12710 ~12% +97.9% 25157 ~ 5% TOTAL numa-meminfo.node2.SReclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3179 ~11% +97.5% 6279 ~ 5% lkp-sbx04/will-it-scale/unlink2 3179 ~11% +97.5% 6279 ~ 5% TOTAL numa-vmstat.node2.nr_slab_reclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 10553 ~ 9% +90.5% 20102 ~ 6% lkp-sbx04/will-it-scale/unlink2 10553 ~ 9% +90.5% 20102 ~ 6% TOTAL numa-meminfo.node3.SReclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 2644 ~10% +89.9% 5020 ~ 6% lkp-sbx04/will-it-scale/unlink2 2644 ~10% +89.9% 5020 ~ 6% TOTAL numa-vmstat.node3.nr_slab_reclaimable
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 6034 ~26% +16.1% 7008 ~22% lkp-sbx04/will-it-scale/open1 6034 ~26% +16.1% 7008 ~22% TOTAL numa-vmstat.node2.nr_active_file
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 24139 ~26% +16.1% 28033 ~22% lkp-sbx04/will-it-scale/open1 24139 ~26% +16.1% 28033 ~22% TOTAL numa-meminfo.node2.Active(file)
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 0.55 ~35% +94.2% 1.08 ~14% lkp-sbx04/will-it-scale/unlink2 0.55 ~35% +94.2% 1.08 ~14% TOTAL perf-profile.cpu-cycles.rcu_nocb_kthread.kthread.ret_from_fork
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 498234 ~ 1% -35.9% 319244 ~ 1% lkp-sbx04/will-it-scale/open1 425531 ~ 2% -39.8% 256020 ~ 2% lkp-sbx04/will-it-scale/unlink2 923765 ~ 2% -37.7% 575264 ~ 2% TOTAL cpuidle.C7-SNB.usage
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 327 ~ 9% -26.2% 241 ~21% lkp-nex05/will-it-scale/lock1 327 ~ 9% -26.2% 241 ~21% TOTAL slabinfo.blkdev_ioc.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 327 ~ 9% -26.2% 241 ~21% lkp-nex05/will-it-scale/lock1 327 ~ 9% -26.2% 241 ~21% TOTAL slabinfo.blkdev_ioc.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 4608661 ~ 5% +15.0% 5300401 ~ 3% lkp-sbx04/will-it-scale/open1 631679 ~ 4% +64.1% 1036539 ~ 1% lkp-sbx04/will-it-scale/unlink2 5240340 ~ 5% +20.9% 6336941 ~ 3% TOTAL numa-numastat.node2.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 4606166 ~ 5% +15.0% 5298738 ~ 3% lkp-sbx04/will-it-scale/open1 630014 ~ 4% +64.4% 1035707 ~ 1% lkp-sbx04/will-it-scale/unlink2 5236180 ~ 5% +21.0% 6334445 ~ 3% TOTAL numa-numastat.node2.local_node
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 6319649 ~ 2% +11.6% 7054325 ~ 3% lkp-sbx04/will-it-scale/open1 1017618 ~ 3% +59.6% 1624227 ~ 1% lkp-sbx04/will-it-scale/unlink2 7337268 ~ 3% +18.3% 8678552 ~ 2% TOTAL numa-numastat.node1.local_node
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 6323803 ~ 2% +11.6% 7058478 ~ 3% lkp-sbx04/will-it-scale/open1 1021772 ~ 3% +59.4% 1628381 ~ 1% lkp-sbx04/will-it-scale/unlink2 7345576 ~ 3% +18.3% 8686859 ~ 2% TOTAL numa-numastat.node1.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3533020 ~ 7% +16.2% 4106277 ~ 3% lkp-sbx04/will-it-scale/open1 529616 ~ 6% +59.8% 846268 ~ 2% lkp-sbx04/will-it-scale/unlink2 4062636 ~ 7% +21.9% 4952546 ~ 3% TOTAL numa-numastat.node3.local_node
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 3534685 ~ 7% +16.2% 4108772 ~ 3% lkp-sbx04/will-it-scale/open1 532111 ~ 6% +59.7% 849592 ~ 2% lkp-sbx04/will-it-scale/unlink2 4066797 ~ 7% +21.9% 4958364 ~ 3% TOTAL numa-numastat.node3.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 699767 ~ 4% +30.0% 909550 ~ 2% lkp-sbx04/will-it-scale/unlink2 699767 ~ 4% +30.0% 909550 ~ 2% TOTAL numa-vmstat.node1.numa_local
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 710327 ~ 4% +29.5% 920095 ~ 2% lkp-sbx04/will-it-scale/unlink2 710327 ~ 4% +29.5% 920095 ~ 2% TOTAL numa-vmstat.node1.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 355465 ~ 3% +32.2% 469857 ~ 1% lkp-sbx04/will-it-scale/unlink2 355465 ~ 3% +32.2% 469857 ~ 1% TOTAL numa-vmstat.node2.numa_local
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 401800 ~ 0% +30.8% 525635 ~ 1% lkp-sbx04/will-it-scale/unlink2 401800 ~ 0% +30.8% 525635 ~ 1% TOTAL numa-meminfo.node1.MemUsed
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 330376 ~ 1% +11.7% 369194 ~ 1% lkp-sbx04/will-it-scale/open1 327252 ~ 0% +47.0% 480920 ~ 1% lkp-sbx04/will-it-scale/unlink2 657628 ~ 0% +29.3% 850114 ~ 1% TOTAL numa-meminfo.node0.MemUsed
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 395008 ~ 2% +28.8% 508797 ~ 1% lkp-sbx04/will-it-scale/unlink2 395008 ~ 2% +28.8% 508797 ~ 1% TOTAL numa-vmstat.node2.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 84008013 ~ 4% +12.5% 94488610 ~ 1% lkp-sbx04/will-it-scale/open1 20904484 ~ 1% +35.9% 28407692 ~ 0% lkp-sbx04/will-it-scale/unlink2 104912497 ~ 3% +17.1% 122896302 ~ 1% TOTAL proc-vmstat.pgalloc_normal
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 20 ~19% +69.3% 34 ~32% lkp-sbx04/will-it-scale/unlink2 20 ~19% +69.3% 34 ~32% TOTAL cpuidle.C6-SNB.usage
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 90818481 ~ 4% +12.2% 1.019e+08 ~ 1% lkp-sbx04/will-it-scale/open1 24507722 ~ 1% +32.8% 32552022 ~ 0% lkp-sbx04/will-it-scale/unlink2 1.153e+08 ~ 3% +16.6% 1.344e+08 ~ 1% TOTAL proc-vmstat.pgfree
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 23331601 ~ 4% +11.8% 26096052 ~ 1% lkp-sbx04/will-it-scale/open1 7360836 ~ 1% +29.1% 9500981 ~ 0% lkp-sbx04/will-it-scale/unlink2 30692438 ~ 3% +16.0% 35597034 ~ 1% TOTAL proc-vmstat.numa_local
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 23344069 ~ 4% +11.8% 26108517 ~ 1% lkp-sbx04/will-it-scale/open1 7373303 ~ 1% +29.0% 9513445 ~ 0% lkp-sbx04/will-it-scale/unlink2 30717373 ~ 3% +16.0% 35621962 ~ 1% TOTAL proc-vmstat.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 293077 ~ 3% +9.2% 320181 ~ 3% lkp-sbx04/will-it-scale/open1 289901 ~ 3% +29.0% 374077 ~ 2% lkp-sbx04/will-it-scale/unlink2 582978 ~ 3% +19.1% 694258 ~ 2% TOTAL numa-meminfo.node2.MemUsed
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1.34 ~10% -18.2% 1.10 ~ 6% lkp-sbx04/will-it-scale/open1 1.34 ~10% -18.2% 1.10 ~ 6% TOTAL perf-profile.cpu-cycles.task_work_add.filp_close.__close_fd.sys_close.system_call_fastpath
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 310408 ~ 3% +17.2% 363768 ~ 4% lkp-sbx04/will-it-scale/unlink2 310408 ~ 3% +17.2% 363768 ~ 4% TOTAL numa-vmstat.node3.numa_local
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 278872 ~ 3% +18.9% 331653 ~ 2% lkp-sbx04/will-it-scale/unlink2 278872 ~ 3% +18.9% 331653 ~ 2% TOTAL numa-meminfo.node3.MemUsed
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1.83 ~ 3% +17.5% 2.15 ~ 3% nhm4/will-it-scale/read1 1.83 ~ 3% +17.5% 2.15 ~ 3% TOTAL perf-profile.cpu-cycles.find_lock_entry.shmem_getpage_gfp.shmem_file_read_iter.new_sync_read.vfs_read
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 350441 ~ 3% +15.4% 404433 ~ 4% lkp-sbx04/will-it-scale/unlink2 350441 ~ 3% +15.4% 404433 ~ 4% TOTAL numa-vmstat.node3.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 11130 ~ 1% +18.7% 13216 ~ 2% lkp-nex05/will-it-scale/lock1 13337 ~ 2% +15.2% 15360 ~ 4% lkp-sbx04/will-it-scale/unlink2 12236 ~ 1% +16.4% 14247 ~ 1% lkp-wsx01/will-it-scale/futex2 36704 ~ 2% +16.7% 42823 ~ 3% TOTAL slabinfo.kmalloc-192.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 11130 ~ 1% +18.6% 13206 ~ 2% lkp-nex05/will-it-scale/lock1 13337 ~ 2% +14.8% 15306 ~ 4% lkp-sbx04/will-it-scale/unlink2 12236 ~ 1% +16.4% 14247 ~ 1% lkp-wsx01/will-it-scale/futex2 36704 ~ 2% +16.5% 42760 ~ 3% TOTAL slabinfo.kmalloc-192.active_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 6819069 ~ 3% +8.6% 7407793 ~ 2% lkp-sbx04/will-it-scale/open1 3615190 ~ 1% +15.2% 4164246 ~ 0% lkp-sbx04/will-it-scale/unlink2 10434260 ~ 2% +10.9% 11572039 ~ 1% TOTAL proc-vmstat.pgalloc_dma32
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 8856248 ~ 3% +8.6% 9619086 ~ 2% lkp-sbx04/will-it-scale/open1 5216071 ~ 2% +14.6% 5979211 ~ 0% lkp-sbx04/will-it-scale/unlink2 14072319 ~ 2% +10.8% 15598298 ~ 1% TOTAL numa-numastat.node0.local_node
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 8860401 ~ 3% +8.6% 9623240 ~ 2% lkp-sbx04/will-it-scale/open1 5220224 ~ 2% +14.6% 5983365 ~ 0% lkp-sbx04/will-it-scale/unlink2 14080626 ~ 2% +10.8% 15606605 ~ 1% TOTAL numa-numastat.node0.numa_hit
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 4865 ~ 2% +13.5% 5524 ~ 6% lkp-sbx04/will-it-scale/open1 4865 ~ 2% +13.5% 5524 ~ 6% TOTAL cpuidle.C1-SNB.usage
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 2231 ~ 5% +9.1% 2434 ~ 7% lkp-sbx04/will-it-scale/unlink2 2231 ~ 5% +9.1% 2434 ~ 7% TOTAL numa-meminfo.node3.KernelStack
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 2438 ~ 2% +10.7% 2700 ~ 1% lkp-nex05/will-it-scale/lock1 2438 ~ 2% +10.7% 2700 ~ 1% TOTAL slabinfo.signal_cache.num_objs
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 17183 ~ 1% +131.6% 39791 ~ 0% lkp-nex05/will-it-scale/lock1 67122 ~ 3% -18.0% 55048 ~ 0% lkp-sbx04/will-it-scale/open1 67648 ~ 6% -18.5% 55135 ~ 0% lkp-sbx04/will-it-scale/unlink2 21242 ~ 0% +99.3% 42326 ~ 0% lkp-wsx01/will-it-scale/futex2 6224 ~ 3% +52.1% 9468 ~ 2% nhm4/will-it-scale/read1 179420 ~ 4% +12.5% 201771 ~ 0% TOTAL time.involuntary_context_switches
acf426994c75e38 0acd7c39a85836d90451b6c27 --------------- ------------------------- 1054 ~ 1% +19.4% 1258 ~ 1% lkp-nex05/will-it-scale/lock1 4445 ~ 1% -40.5% 2645 ~ 0% lkp-sbx04/will-it-scale/open1 3861 ~ 0% -55.5% 1717 ~ 1% lkp-sbx04/will-it-scale/unlink2 1142 ~ 1% +15.4% 1318 ~ 1% lkp-wsx01/will-it-scale/futex2 527 ~ 1% +18.1% 622 ~ 1% nhm4/will-it-scale/read1 11030 ~ 1% -31.4% 7562 ~ 1% TOTAL vmstat.system.cs
Legend: ~XX% - stddev percent [+-]XX% - change percent
time.involuntary_context_switches
75000 *+--*----------------*----------------------------------------------+ | : + | | *...*.. : + * | 70000 ++ *... : + + + | | * *...*.. + + .* | | *...* + .. | 65000 ++ * | | | 60000 ++ | | | | | 55000 O+ O O O O O O O O O O O O O O O O O O | O | | | 50000 ++------------------------------------------------------------------+
vmstat.system.cs
6000 ++-------------------------------------------------------------------+ | | 5500 *+..*..*...*...*..*...*..*... | | *. | 5000 ++ .. | | | 4500 ++ *..*...*...*.. | | * | 4000 ++ | | | 3500 ++ | | | 3000 ++ | | O O O O O O O O O O O O 2500 O+-----O---O------O---O---------------------O------O------O----------+
[*] bisect-good sample [O] bisect-bad sample
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, Fengguang
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