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Message-ID: <20190412142005.GB24200@shao2-debian> Date: Fri, 12 Apr 2019 22:20:05 +0800 From: kernel test robot <rong.a.chen@...el.com> To: Waiman Long <longman@...hat.com> Cc: Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Andrew Morton <akpm@...ux-foundation.org>, Davidlohr Bueso <dave@...olabs.net>, Linus Torvalds <torvalds@...ux-foundation.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Tim Chen <tim.c.chen@...ux.intel.com>, Will Deacon <will.deacon@....com>, LKML <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>, tipbuild@...or.com, lkp@...org Subject: [locking/rwsem] 1b94536f2d: stress-ng.bad-altstack.ops_per_sec -32.7% regression Greeting, FYI, we noticed a -32.7% regression of stress-ng.bad-altstack.ops_per_sec due to commit: commit: 1b94536f2debc98260fb17b44f7f262e3336f7e0 ("locking/rwsem: Implement lock handoff to prevent lock starvation") https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git WIP.locking/core in testcase: stress-ng on test machine: 272 threads Intel(R) Xeon Phi(TM) CPU 7255 @ 1.10GHz with 112G memory with following parameters: nr_threads: 100% disk: 1HDD testtime: 5s class: memory cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml ========================================================================================= class/compiler/cpufreq_governor/disk/kconfig/nr_threads/rootfs/tbox_group/testcase/testtime: memory/gcc-7/performance/1HDD/x86_64-rhel-7.6/100%/debian-x86_64-2018-04-03.cgz/lkp-knm02/stress-ng/5s commit: 1bcfe0e4cb ("locking/rwsem: Improve scalability via a new locking scheme") 1b94536f2d ("locking/rwsem: Implement lock handoff to prevent lock starvation") 1bcfe0e4cb0efdba 1b94536f2debc98260fb17b44f7 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | 1:4 -25% :4 dmesg.WARNING:at_ip__mutex_lock/0x :4 25% 1:4 kmsg.DHCP/BOOTP:Reply_not_for_us_on_eth#,op[#]xid[#] %stddev %change %stddev \ | \ 52766 ± 19% -32.8% 35434 ± 3% stress-ng.bad-altstack.ops 10521 ± 19% -32.7% 7081 ± 3% stress-ng.bad-altstack.ops_per_sec 71472 ± 16% -37.1% 44986 stress-ng.stackmmap.ops 14281 ± 16% -37.0% 9001 stress-ng.stackmmap.ops_per_sec 82779573 -6.0% 77812734 stress-ng.time.minor_page_faults 92256 -43.9% 51723 stress-ng.vm-segv.ops 18416 -43.9% 10340 stress-ng.vm-segv.ops_per_sec 52143 ± 3% -11.7% 46067 ± 12% stress-ng.vm.ops 10429 ± 3% -11.7% 9211 ± 12% stress-ng.vm.ops_per_sec 275453 ± 3% +21.7% 335113 ± 7% cpuidle.POLL.usage 2483631 ± 13% -16.3% 2077801 meminfo.AnonHugePages 5815007 ± 5% -7.8% 5363463 meminfo.Memused 2549 ± 22% -41.7% 1487 ± 17% numa-meminfo.node1.Active 2549 ± 22% -41.7% 1487 ± 17% numa-meminfo.node1.Active(anon) 3076 ± 23% -45.0% 1693 ± 28% numa-meminfo.node1.AnonPages 9607 ± 4% -11.8% 8476 ± 9% softirqs.CPU1.SCHED 9325 ± 11% -18.0% 7646 ± 4% softirqs.CPU177.SCHED 10078 ± 8% -20.7% 7992 ± 10% softirqs.CPU68.SCHED 731566 ± 10% -16.3% 612334 ± 2% numa-vmstat.node0.nr_active_anon 677284 ± 10% -17.0% 562176 ± 3% numa-vmstat.node0.nr_anon_pages 590.50 ± 11% -39.1% 359.75 ± 17% numa-vmstat.node0.nr_isolated_anon 731282 ± 10% -16.3% 612130 ± 2% numa-vmstat.node0.nr_zone_active_anon 654.75 ± 24% -48.6% 336.25 ± 9% numa-vmstat.node1.nr_active_anon 764.75 ± 20% -49.0% 389.75 ± 23% numa-vmstat.node1.nr_anon_pages 615.50 ± 15% -42.1% 356.25 ± 30% numa-vmstat.node1.nr_isolated_anon 646.00 ± 26% -49.8% 324.50 ± 9% numa-vmstat.node1.nr_zone_active_anon 103726 -1.8% 101867 proc-vmstat.nr_inactive_anon 1319 ± 14% -33.8% 873.00 ± 33% proc-vmstat.nr_isolated_anon 156768 ± 2% -4.9% 149062 proc-vmstat.nr_shmem 129637 -1.2% 128122 proc-vmstat.nr_slab_unreclaimable 103726 -1.8% 101867 proc-vmstat.nr_zone_inactive_anon 152368 ± 3% -4.0% 146334 proc-vmstat.numa_huge_pte_updates 78212819 ± 3% -3.9% 75124681 proc-vmstat.numa_pte_updates 83661669 -5.9% 78716234 proc-vmstat.pgfault 4.57 ± 14% +28.0% 5.85 ± 12% sched_debug.cfs_rq:/.runnable_load_avg.stddev 2981436 ± 17% -25.9% 2209429 ± 17% sched_debug.cfs_rq:/.spread0.max 416297 ± 10% -14.7% 355039 ± 10% sched_debug.cfs_rq:/.spread0.stddev 4.57 ± 12% +23.4% 5.64 ± 13% sched_debug.cpu.cpu_load[0].stddev 89872 ± 21% -33.6% 59685 ± 8% sched_debug.cpu.curr->pid.avg 102019 ± 18% -30.7% 70749 ± 8% sched_debug.cpu.curr->pid.max 19999 ± 34% -36.5% 12707 ± 24% sched_debug.cpu.curr->pid.stddev 5636 ± 14% -24.7% 4242 ± 9% sched_debug.cpu.nr_switches.min 1962 ± 6% -7.9% 1807 ± 2% slabinfo.TCPv6.active_objs 1962 ± 6% -7.9% 1807 ± 2% slabinfo.TCPv6.num_objs 12816 ± 6% -16.2% 10742 slabinfo.UNIX.active_objs 12816 ± 6% -16.2% 10742 slabinfo.UNIX.num_objs 14245 ± 4% -7.4% 13193 slabinfo.kmalloc-192.active_objs 14306 ± 4% -7.6% 13219 slabinfo.kmalloc-192.num_objs 1020 ± 6% -10.0% 918.75 ± 5% slabinfo.skbuff_fclone_cache.active_objs 1020 ± 6% -10.0% 918.75 ± 5% slabinfo.skbuff_fclone_cache.num_objs 20792 ± 6% -14.1% 17854 slabinfo.sock_inode_cache.active_objs 20792 ± 6% -14.1% 17854 slabinfo.sock_inode_cache.num_objs 4.88 ± 60% -2.7 2.14 ±173% perf-profile.calltrace.cycles-pp.alloc_new_node_page.migrate_pages.do_move_pages_to_node.kernel_move_pages.__x64_sys_move_pages 4.87 ± 60% -2.7 2.13 ±173% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.alloc_new_node_page.migrate_pages.do_move_pages_to_node.kernel_move_pages 4.84 ± 60% -2.7 2.12 ±173% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.alloc_new_node_page.migrate_pages.do_move_pages_to_node 4.13 ± 59% -2.4 1.77 ±173% perf-profile.calltrace.cycles-pp.__free_pages_ok.migrate_pages.do_move_pages_to_node.kernel_move_pages.__x64_sys_move_pages 4.21 ± 60% -2.3 1.91 ±173% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.get_page_from_freelist.__alloc_pages_nodemask.alloc_new_node_page.migrate_pages 4.21 ± 60% -2.3 1.91 ±173% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.get_page_from_freelist.__alloc_pages_nodemask.alloc_new_node_page 0.39 ±100% +0.6 0.96 ± 19% perf-profile.calltrace.cycles-pp.rmap_walk_file.try_to_unmap.migrate_pages.migrate_to_node.do_migrate_pages 0.39 ±100% +0.6 0.96 ± 19% perf-profile.calltrace.cycles-pp.try_to_unmap.migrate_pages.migrate_to_node.do_migrate_pages.kernel_migrate_pages 0.42 ±100% +0.7 1.17 ± 21% perf-profile.calltrace.cycles-pp.migrate_pages.migrate_to_node.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages 0.45 ±100% +0.8 1.20 ± 21% perf-profile.calltrace.cycles-pp.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.45 ±100% +0.8 1.20 ± 21% perf-profile.calltrace.cycles-pp.migrate_to_node.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64 0.45 ±100% +0.8 1.21 ± 20% perf-profile.calltrace.cycles-pp.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.45 ±100% +0.8 1.21 ± 20% perf-profile.calltrace.cycles-pp.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 1.102e+10 +1.8% 1.121e+10 perf-stat.i.branch-instructions 23.75 ± 2% +1.3 25.02 ± 2% perf-stat.i.cache-miss-rate% 1.308e+08 -4.8% 1.244e+08 perf-stat.i.cache-misses 8.874e+08 -4.4% 8.487e+08 perf-stat.i.cache-references 5277 +3.8% 5479 ± 3% perf-stat.i.cycles-between-cache-misses 5.288e+10 +2.2% 5.405e+10 perf-stat.i.iTLB-loads 5.298e+10 +2.2% 5.415e+10 perf-stat.i.instructions 633.05 +4.7% 662.92 ± 5% perf-stat.i.instructions-per-iTLB-miss 171328 ± 3% -7.6% 158307 perf-stat.i.minor-faults 172988 ± 3% -7.7% 159604 perf-stat.i.page-faults 17.18 -6.2% 16.11 perf-stat.overall.MPKI 10.94 -0.3 10.69 perf-stat.overall.branch-miss-rate% 5.04 -1.7% 4.96 perf-stat.overall.cpi 1946 +5.6% 2055 perf-stat.overall.cycles-between-cache-misses 0.86 -0.0 0.84 perf-stat.overall.iTLB-load-miss-rate% 115.71 +2.7% 118.87 perf-stat.overall.instructions-per-iTLB-miss 0.20 +1.8% 0.20 perf-stat.overall.ipc 1.062e+10 +2.0% 1.083e+10 perf-stat.ps.branch-instructions 1.322e+08 -4.8% 1.258e+08 perf-stat.ps.cache-misses 8.765e+08 -4.1% 8.41e+08 perf-stat.ps.cache-references 5.096e+10 +2.3% 5.214e+10 perf-stat.ps.iTLB-loads 5.101e+10 +2.3% 5.219e+10 perf-stat.ps.instructions 169847 ± 3% -7.7% 156839 perf-stat.ps.minor-faults 171241 ± 3% -7.9% 157736 perf-stat.ps.page-faults 1.394e+13 +2.8% 1.433e+13 perf-stat.total.instructions 509.25 ± 20% -43.8% 286.00 ± 20% interrupts.32:IR-PCI-MSI.2621442-edge.eth0-TxRx-1 1235 ±112% -77.3% 280.50 ± 27% interrupts.CPU0.TLB:TLB_shootdowns 385.25 ± 15% -39.1% 234.50 ± 37% interrupts.CPU104.TLB:TLB_shootdowns 490.00 ± 29% -68.2% 155.75 ± 28% interrupts.CPU106.TLB:TLB_shootdowns 2539 ± 41% -37.5% 1587 ± 12% interrupts.CPU11.NMI:Non-maskable_interrupts 2539 ± 41% -37.5% 1587 ± 12% interrupts.CPU11.PMI:Performance_monitoring_interrupts 509.25 ± 20% -43.8% 286.00 ± 20% interrupts.CPU12.32:IR-PCI-MSI.2621442-edge.eth0-TxRx-1 1629 ± 83% -71.7% 460.50 ±120% interrupts.CPU123.TLB:TLB_shootdowns 1244 ± 75% -85.1% 185.25 ± 61% interrupts.CPU125.TLB:TLB_shootdowns 395.00 ± 62% +783.4% 3489 ± 46% interrupts.CPU127.TLB:TLB_shootdowns 3031 ± 33% -63.7% 1101 ± 33% interrupts.CPU128.NMI:Non-maskable_interrupts 3031 ± 33% -63.7% 1101 ± 33% interrupts.CPU128.PMI:Performance_monitoring_interrupts 2805 ± 46% -49.5% 1417 ± 10% interrupts.CPU132.NMI:Non-maskable_interrupts 2805 ± 46% -49.5% 1417 ± 10% interrupts.CPU132.PMI:Performance_monitoring_interrupts 1864 ± 21% -43.7% 1049 ± 26% interrupts.CPU132.RES:Rescheduling_interrupts 2397 ± 24% -53.3% 1120 ± 20% interrupts.CPU133.RES:Rescheduling_interrupts 418.50 ± 19% +377.1% 1996 ± 72% interrupts.CPU134.TLB:TLB_shootdowns 2183 ± 38% -51.3% 1062 ± 32% interrupts.CPU136.NMI:Non-maskable_interrupts 2183 ± 38% -51.3% 1062 ± 32% interrupts.CPU136.PMI:Performance_monitoring_interrupts 2182 ±117% -82.1% 391.75 ± 54% interrupts.CPU136.TLB:TLB_shootdowns 449.50 ± 71% +272.7% 1675 ± 52% interrupts.CPU14.TLB:TLB_shootdowns 599.00 ± 61% -63.4% 219.50 ± 31% interrupts.CPU141.TLB:TLB_shootdowns 1489 ± 14% -26.0% 1101 ± 18% interrupts.CPU146.RES:Rescheduling_interrupts 1777 ± 26% -34.9% 1157 ± 23% interrupts.CPU148.RES:Rescheduling_interrupts 1011 ±106% +258.4% 3623 ± 26% interrupts.CPU15.TLB:TLB_shootdowns 2042 ± 26% -36.9% 1289 ± 17% interrupts.CPU156.NMI:Non-maskable_interrupts 2042 ± 26% -36.9% 1289 ± 17% interrupts.CPU156.PMI:Performance_monitoring_interrupts 370.50 ± 24% -48.6% 190.50 ± 41% interrupts.CPU156.TLB:TLB_shootdowns 3133 ± 25% -45.4% 1711 ± 53% interrupts.CPU157.NMI:Non-maskable_interrupts 3133 ± 25% -45.4% 1711 ± 53% interrupts.CPU157.PMI:Performance_monitoring_interrupts 2533 ± 28% -50.6% 1252 ± 27% interrupts.CPU161.NMI:Non-maskable_interrupts 2533 ± 28% -50.6% 1252 ± 27% interrupts.CPU161.PMI:Performance_monitoring_interrupts 2727 ± 31% -37.3% 1710 ± 8% interrupts.CPU162.NMI:Non-maskable_interrupts 2727 ± 31% -37.3% 1710 ± 8% interrupts.CPU162.PMI:Performance_monitoring_interrupts 2701 ± 28% -56.7% 1169 ± 46% interrupts.CPU163.NMI:Non-maskable_interrupts 2701 ± 28% -56.7% 1169 ± 46% interrupts.CPU163.PMI:Performance_monitoring_interrupts 384.50 ± 9% -63.8% 139.25 ± 43% interrupts.CPU163.TLB:TLB_shootdowns 4114 ± 10% +47.4% 6062 ± 23% interrupts.CPU167.CAL:Function_call_interrupts 421.75 ± 19% -66.5% 141.25 ± 60% interrupts.CPU168.TLB:TLB_shootdowns 2027 ± 94% -67.1% 666.75 ±130% interrupts.CPU172.TLB:TLB_shootdowns 2792 ± 25% -56.4% 1217 ± 47% interrupts.CPU173.NMI:Non-maskable_interrupts 2792 ± 25% -56.4% 1217 ± 47% interrupts.CPU173.PMI:Performance_monitoring_interrupts 2768 ± 42% -54.8% 1251 ± 40% interrupts.CPU176.RES:Rescheduling_interrupts 3623 ± 55% -71.3% 1040 ± 9% interrupts.CPU177.RES:Rescheduling_interrupts 2962 ± 39% -65.8% 1011 ± 45% interrupts.CPU184.NMI:Non-maskable_interrupts 2962 ± 39% -65.8% 1011 ± 45% interrupts.CPU184.PMI:Performance_monitoring_interrupts 2369 ± 36% -48.0% 1231 ± 29% interrupts.CPU190.NMI:Non-maskable_interrupts 2369 ± 36% -48.0% 1231 ± 29% interrupts.CPU190.PMI:Performance_monitoring_interrupts 2072 ± 45% -52.9% 976.25 ± 36% interrupts.CPU192.NMI:Non-maskable_interrupts 2072 ± 45% -52.9% 976.25 ± 36% interrupts.CPU192.PMI:Performance_monitoring_interrupts 2256 ± 37% -56.3% 986.50 ± 41% interrupts.CPU196.NMI:Non-maskable_interrupts 2256 ± 37% -56.3% 986.50 ± 41% interrupts.CPU196.PMI:Performance_monitoring_interrupts 5017 ± 18% +36.5% 6850 ± 16% interrupts.CPU2.CAL:Function_call_interrupts 2325 ± 12% -48.0% 1210 ± 27% interrupts.CPU200.RES:Rescheduling_interrupts 2743 ± 46% -58.2% 1147 ± 33% interrupts.CPU201.NMI:Non-maskable_interrupts 2743 ± 46% -58.2% 1147 ± 33% interrupts.CPU201.PMI:Performance_monitoring_interrupts 2375 ± 18% -50.7% 1170 ± 25% interrupts.CPU201.RES:Rescheduling_interrupts 327.75 ± 34% -53.6% 152.00 ± 46% interrupts.CPU201.TLB:TLB_shootdowns 2648 ± 39% -41.5% 1550 ± 16% interrupts.CPU203.NMI:Non-maskable_interrupts 2648 ± 39% -41.5% 1550 ± 16% interrupts.CPU203.PMI:Performance_monitoring_interrupts 2356 ± 34% -37.3% 1478 ± 17% interrupts.CPU204.NMI:Non-maskable_interrupts 2356 ± 34% -37.3% 1478 ± 17% interrupts.CPU204.PMI:Performance_monitoring_interrupts 3069 ± 27% -60.6% 1210 ± 45% interrupts.CPU206.NMI:Non-maskable_interrupts 3069 ± 27% -60.6% 1210 ± 45% interrupts.CPU206.PMI:Performance_monitoring_interrupts 2338 ± 32% -44.8% 1289 ± 15% interrupts.CPU212.NMI:Non-maskable_interrupts 2338 ± 32% -44.8% 1289 ± 15% interrupts.CPU212.PMI:Performance_monitoring_interrupts 1809 ± 20% -44.9% 996.50 ± 36% interrupts.CPU214.NMI:Non-maskable_interrupts 1809 ± 20% -44.9% 996.50 ± 36% interrupts.CPU214.PMI:Performance_monitoring_interrupts 1743 ± 24% -37.1% 1096 ± 33% interrupts.CPU215.RES:Rescheduling_interrupts 2866 ± 26% -48.6% 1472 ± 34% interrupts.CPU218.NMI:Non-maskable_interrupts 2866 ± 26% -48.6% 1472 ± 34% interrupts.CPU218.PMI:Performance_monitoring_interrupts 2051 ± 20% -45.3% 1121 ± 36% interrupts.CPU219.NMI:Non-maskable_interrupts 2051 ± 20% -45.3% 1121 ± 36% interrupts.CPU219.PMI:Performance_monitoring_interrupts 1488 ± 76% -87.6% 185.00 ± 40% interrupts.CPU219.TLB:TLB_shootdowns 2513 ± 22% -36.5% 1597 ± 15% interrupts.CPU221.NMI:Non-maskable_interrupts 2513 ± 22% -36.5% 1597 ± 15% interrupts.CPU221.PMI:Performance_monitoring_interrupts 2294 ± 33% -49.3% 1162 ± 35% interrupts.CPU222.NMI:Non-maskable_interrupts 2294 ± 33% -49.3% 1162 ± 35% interrupts.CPU222.PMI:Performance_monitoring_interrupts 1384 ± 64% -89.8% 141.00 ± 43% interrupts.CPU222.TLB:TLB_shootdowns 4116 ± 10% +38.3% 5694 ± 9% interrupts.CPU225.CAL:Function_call_interrupts 2770 ± 29% -35.7% 1781 ± 46% interrupts.CPU226.NMI:Non-maskable_interrupts 2770 ± 29% -35.7% 1781 ± 46% interrupts.CPU226.PMI:Performance_monitoring_interrupts 2402 ± 38% -58.0% 1008 ± 43% interrupts.CPU230.NMI:Non-maskable_interrupts 2402 ± 38% -58.0% 1008 ± 43% interrupts.CPU230.PMI:Performance_monitoring_interrupts 212.50 ± 77% +632.5% 1556 ±112% interrupts.CPU234.TLB:TLB_shootdowns 2079 ± 40% -53.2% 973.00 ± 41% interrupts.CPU238.NMI:Non-maskable_interrupts 2079 ± 40% -53.2% 973.00 ± 41% interrupts.CPU238.PMI:Performance_monitoring_interrupts 1701 ± 14% -42.1% 985.00 ± 44% interrupts.CPU239.NMI:Non-maskable_interrupts 1701 ± 14% -42.1% 985.00 ± 44% interrupts.CPU239.PMI:Performance_monitoring_interrupts 2795 ± 20% -47.9% 1456 ± 44% interrupts.CPU24.NMI:Non-maskable_interrupts 2795 ± 20% -47.9% 1456 ± 44% interrupts.CPU24.PMI:Performance_monitoring_interrupts 2524 ± 25% -45.0% 1388 ± 18% interrupts.CPU241.NMI:Non-maskable_interrupts 2524 ± 25% -45.0% 1388 ± 18% interrupts.CPU241.PMI:Performance_monitoring_interrupts 1664 ± 10% -38.1% 1029 ± 38% interrupts.CPU244.NMI:Non-maskable_interrupts 1664 ± 10% -38.1% 1029 ± 38% interrupts.CPU244.PMI:Performance_monitoring_interrupts 3116 ± 43% -40.3% 1860 ± 45% interrupts.CPU25.NMI:Non-maskable_interrupts 3116 ± 43% -40.3% 1860 ± 45% interrupts.CPU25.PMI:Performance_monitoring_interrupts 3872 ± 39% -63.5% 1413 ±115% interrupts.CPU25.TLB:TLB_shootdowns 1868 ± 70% -78.2% 407.75 ± 86% interrupts.CPU251.TLB:TLB_shootdowns 2974 ± 35% -59.5% 1203 ± 45% interrupts.CPU253.NMI:Non-maskable_interrupts 2974 ± 35% -59.5% 1203 ± 45% interrupts.CPU253.PMI:Performance_monitoring_interrupts 1494 ± 77% -53.8% 691.25 ±133% interrupts.CPU256.TLB:TLB_shootdowns 2996 ± 34% -63.0% 1109 ± 35% interrupts.CPU259.NMI:Non-maskable_interrupts 2996 ± 34% -63.0% 1109 ± 35% interrupts.CPU259.PMI:Performance_monitoring_interrupts 1033 ± 3% +40.3% 1449 ± 26% interrupts.CPU259.RES:Rescheduling_interrupts 1042 ±104% -83.4% 172.75 ± 48% interrupts.CPU259.TLB:TLB_shootdowns 1761 ± 18% -34.6% 1151 ± 19% interrupts.CPU260.NMI:Non-maskable_interrupts 1761 ± 18% -34.6% 1151 ± 19% interrupts.CPU260.PMI:Performance_monitoring_interrupts 1738 ± 10% -31.7% 1187 ± 31% interrupts.CPU266.NMI:Non-maskable_interrupts 1738 ± 10% -31.7% 1187 ± 31% interrupts.CPU266.PMI:Performance_monitoring_interrupts 2311 ± 18% -40.8% 1367 ± 5% interrupts.CPU268.RES:Rescheduling_interrupts 2893 ± 32% -52.4% 1375 ± 31% interrupts.CPU269.NMI:Non-maskable_interrupts 2893 ± 32% -52.4% 1375 ± 31% interrupts.CPU269.PMI:Performance_monitoring_interrupts 2200 ± 15% -43.8% 1237 ± 17% interrupts.CPU269.RES:Rescheduling_interrupts 1821 ± 9% -26.7% 1335 ± 25% interrupts.CPU271.RES:Rescheduling_interrupts 2554 ± 54% -56.4% 1113 ± 29% interrupts.CPU31.NMI:Non-maskable_interrupts 2554 ± 54% -56.4% 1113 ± 29% interrupts.CPU31.PMI:Performance_monitoring_interrupts 1145 ± 90% -76.1% 274.00 ± 52% interrupts.CPU31.TLB:TLB_shootdowns 2850 ± 9% -53.6% 1322 ± 78% interrupts.CPU33.TLB:TLB_shootdowns 2536 ± 33% -52.6% 1201 ± 29% interrupts.CPU35.NMI:Non-maskable_interrupts 2536 ± 33% -52.6% 1201 ± 29% interrupts.CPU35.PMI:Performance_monitoring_interrupts 1102 ± 20% +28.2% 1413 ± 8% interrupts.CPU38.RES:Rescheduling_interrupts 1985 ± 10% -36.1% 1268 ± 37% interrupts.CPU41.NMI:Non-maskable_interrupts 1985 ± 10% -36.1% 1268 ± 37% interrupts.CPU41.PMI:Performance_monitoring_interrupts 5682 ± 4% -28.2% 4080 ± 22% interrupts.CPU46.CAL:Function_call_interrupts 2780 ± 46% -83.2% 466.50 ±114% interrupts.CPU47.TLB:TLB_shootdowns 4596 ± 21% +30.4% 5994 ± 13% interrupts.CPU5.CAL:Function_call_interrupts 1176 ± 28% +46.6% 1723 ± 17% interrupts.CPU51.RES:Rescheduling_interrupts 2555 ± 26% -36.7% 1617 ± 7% interrupts.CPU57.NMI:Non-maskable_interrupts 2555 ± 26% -36.7% 1617 ± 7% interrupts.CPU57.PMI:Performance_monitoring_interrupts 2670 ± 34% -45.2% 1464 ± 21% interrupts.CPU58.NMI:Non-maskable_interrupts 2670 ± 34% -45.2% 1464 ± 21% interrupts.CPU58.PMI:Performance_monitoring_interrupts 3217 ± 50% -51.4% 1563 ± 40% interrupts.CPU61.RES:Rescheduling_interrupts 2631 ± 36% -48.1% 1366 ± 32% interrupts.CPU62.NMI:Non-maskable_interrupts 2631 ± 36% -48.1% 1366 ± 32% interrupts.CPU62.PMI:Performance_monitoring_interrupts 3742 ± 43% -69.9% 1127 ± 91% interrupts.CPU62.TLB:TLB_shootdowns 2291 ± 27% -48.8% 1172 ± 22% interrupts.CPU64.RES:Rescheduling_interrupts 2047 ± 14% -38.1% 1268 ± 27% interrupts.CPU65.RES:Rescheduling_interrupts 2116 ± 37% -36.6% 1341 ± 31% interrupts.CPU67.NMI:Non-maskable_interrupts 2116 ± 37% -36.6% 1341 ± 31% interrupts.CPU67.PMI:Performance_monitoring_interrupts 2021 ± 6% -26.6% 1484 ± 26% interrupts.CPU70.NMI:Non-maskable_interrupts 2021 ± 6% -26.6% 1484 ± 26% interrupts.CPU70.PMI:Performance_monitoring_interrupts 3464 ± 33% -60.0% 1387 ± 19% interrupts.CPU71.NMI:Non-maskable_interrupts 3464 ± 33% -60.0% 1387 ± 19% interrupts.CPU71.PMI:Performance_monitoring_interrupts 1752 ± 24% -37.9% 1087 ± 7% interrupts.CPU78.RES:Rescheduling_interrupts 2622 ± 42% -63.4% 959.75 ± 40% interrupts.CPU79.NMI:Non-maskable_interrupts 2622 ± 42% -63.4% 959.75 ± 40% interrupts.CPU79.PMI:Performance_monitoring_interrupts 1856 ± 29% -35.3% 1200 ± 22% interrupts.CPU81.RES:Rescheduling_interrupts 2612 ± 29% -61.6% 1003 ± 37% interrupts.CPU82.NMI:Non-maskable_interrupts 2612 ± 29% -61.6% 1003 ± 37% interrupts.CPU82.PMI:Performance_monitoring_interrupts 1823 ± 97% -89.1% 198.75 ± 50% interrupts.CPU82.TLB:TLB_shootdowns 2753 ± 45% -64.9% 966.50 ± 43% interrupts.CPU83.NMI:Non-maskable_interrupts 2753 ± 45% -64.9% 966.50 ± 43% interrupts.CPU83.PMI:Performance_monitoring_interrupts 2822 ± 39% -39.0% 1720 ± 46% interrupts.CPU89.NMI:Non-maskable_interrupts 2822 ± 39% -39.0% 1720 ± 46% interrupts.CPU89.PMI:Performance_monitoring_interrupts 2729 ± 33% -48.4% 1409 ± 37% interrupts.CPU9.NMI:Non-maskable_interrupts 2729 ± 33% -48.4% 1409 ± 37% interrupts.CPU9.PMI:Performance_monitoring_interrupts 2267 ± 34% -44.5% 1257 ± 26% interrupts.CPU92.NMI:Non-maskable_interrupts 2267 ± 34% -44.5% 1257 ± 26% interrupts.CPU92.PMI:Performance_monitoring_interrupts 985.25 ± 25% +69.4% 1668 ± 37% interrupts.CPU93.RES:Rescheduling_interrupts 349.00 ± 13% +436.6% 1872 ± 80% interrupts.CPU95.TLB:TLB_shootdowns 2435 ± 39% -53.3% 1137 ± 28% interrupts.CPU96.NMI:Non-maskable_interrupts 2435 ± 39% -53.3% 1137 ± 28% interrupts.CPU96.PMI:Performance_monitoring_interrupts 2198 ± 84% -88.5% 252.50 ± 71% interrupts.CPU96.TLB:TLB_shootdowns 2729 ± 32% -55.2% 1223 ± 36% interrupts.CPU97.NMI:Non-maskable_interrupts 2729 ± 32% -55.2% 1223 ± 36% interrupts.CPU97.PMI:Performance_monitoring_interrupts 2800 ± 29% -50.7% 1380 ± 29% interrupts.CPU98.NMI:Non-maskable_interrupts 2800 ± 29% -50.7% 1380 ± 29% interrupts.CPU98.PMI:Performance_monitoring_interrupts 613407 ± 7% -27.5% 444631 ± 17% interrupts.NMI:Non-maskable_interrupts 613407 ± 7% -27.5% 444631 ± 17% interrupts.PMI:Performance_monitoring_interrupts stress-ng.vm-segv.ops 100000 +-+----------------------------------------------------------------+ 95000 +-++.. +.. .. + .. + | |. .. .+..+..+..+ + + .+.. .+..+ | 90000 +-+ +.+..+..+ + +..+ +. | 85000 +-+ | 80000 +-+ | 75000 +-+ | | | 70000 +-+ | 65000 +-+ | 60000 O-+O O O O O O O O O O O O O O | 55000 +-+ O O O O | | O O O O 50000 +-+ O O | 45000 +-+----------------------------------------------------------------+ stress-ng.vm-segv.ops_per_sec 20000 +-+-----------------------------------------------------------------+ 19000 +-++.. +.. .. .. + | |. .. .+..+.+..+ + + .+.. .+..+ | 18000 +-+ +..+.+..+ +. +.+. +. | 17000 +-+ | 16000 +-+ | 15000 +-+ | | | 14000 +-+ | 13000 +-+ | 12000 O-+O O O O O O O O O O O O O | 11000 +-+ O O O O O | | O O O O 10000 +-+ O O | 9000 +-+-----------------------------------------------------------------+ [*] 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, Rong Chen View attachment "config-5.1.0-rc4-00074-g1b94536" of type "text/plain" (188821 bytes) View attachment "job-script" of type "text/plain" (7297 bytes) View attachment "job.yaml" of type "text/plain" (4878 bytes) View attachment "reproduce" of type "text/plain" (406 bytes)
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