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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed a 20.4% regression of will-it-scale.per_process_ops on: commit: 59faa4da7cd4565cbce25358495556b75bb37022 ("maple_tree: use percpu sheaves for maple_node_cache") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master e406d57be7bd2a4e73ea512c1ae36a40a44e499e] [still regression on linux-next/master 7396732143a22b42bb97710173d598aaf50daa89] testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 192 threads 2 sockets Intel(R) Xeon(R) Platinum 8468V CPU @ 2.4GHz (Sapphire Rapids) with 384G memory parameters: nr_task: 100% mode: process test: brk1 cpufreq_governor: performance If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202510040805.37ced754-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251004/202510040805.37ced754-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-14/performance/x86_64-rhel-9.4/process/100%/debian-13-x86_64-20250902.cgz/igk-spr-2sp1/brk1/will-it-scale commit: 3accabda4d ("mm, vma: use percpu sheaves for vm_area_struct cache") 59faa4da7c ("maple_tree: use percpu sheaves for maple_node_cache") 3accabda4da1b00b 59faa4da7cd4565cbce25358495 ---------------- --------------------------- %stddev %change %stddev \ | \ 39.64 -7.4 32.22 mpstat.cpu.all.soft% 56.05 +8.0 64.05 mpstat.cpu.all.sys% 3.25 -0.6 2.68 mpstat.cpu.all.usr% 97485349 -20.4% 77568497 will-it-scale.192.processes 507735 -20.4% 404002 will-it-scale.per_process_ops 97485349 -20.4% 77568497 will-it-scale.workload 1.699e+08 -27.3% 1.235e+08 numa-numastat.node0.local_node 1.701e+08 -27.3% 1.236e+08 numa-numastat.node0.numa_hit 1.734e+08 -31.3% 1.191e+08 numa-numastat.node1.local_node 1.734e+08 -31.3% 1.192e+08 numa-numastat.node1.numa_hit 1.7e+08 -27.3% 1.236e+08 numa-vmstat.node0.numa_hit 1.699e+08 -27.3% 1.235e+08 numa-vmstat.node0.numa_local 1.734e+08 -31.3% 1.192e+08 numa-vmstat.node1.numa_hit 1.733e+08 -31.3% 1.191e+08 numa-vmstat.node1.numa_local 45.17 ± 18% +404.8% 228.00 ± 21% perf-c2c.DRAM.local 7830 ± 16% +60.0% 12529 ± 20% perf-c2c.DRAM.remote 3370 ± 15% +114.0% 7212 ± 14% perf-c2c.HITM.local 3535 ± 15% +111.2% 7465 ± 15% perf-c2c.HITM.total 3.435e+08 -29.3% 2.429e+08 proc-vmstat.numa_hit 3.433e+08 -29.3% 2.427e+08 proc-vmstat.numa_local 1.368e+09 -29.4% 9.653e+08 proc-vmstat.pgalloc_normal 1.367e+09 -29.4% 9.643e+08 proc-vmstat.pgfree 0.72 -18.2% 0.59 turbostat.IPC 126.28 -66.0 60.32 ± 3% turbostat.PKG_% 656.59 -1.4% 647.68 turbostat.PkgWatt 28.10 -6.7% 26.22 turbostat.RAMWatt 4.02 ± 4% +19.3% 4.79 ± 5% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 4.02 ± 4% +19.3% 4.79 ± 5% perf-sched.total_sch_delay.average.ms 40.47 ± 2% +39.8% 56.57 ± 2% perf-sched.total_wait_and_delay.average.ms 73296 ± 3% -26.2% 54076 ± 2% perf-sched.total_wait_and_delay.count.ms 36.45 ± 2% +42.0% 51.77 perf-sched.total_wait_time.average.ms 40.47 ± 2% +39.8% 56.57 ± 2% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 73296 ± 3% -26.2% 54076 ± 2% perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown] 36.45 ± 2% +42.0% 51.77 perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 17718811 +13.3% 20079918 sched_debug.cfs_rq:/.avg_vruntime.avg 18048681 +14.9% 20738718 sched_debug.cfs_rq:/.avg_vruntime.max 593442 ± 9% +20.1% 712781 ± 7% sched_debug.cfs_rq:/.avg_vruntime.stddev 0.43 -12.4% 0.37 ± 4% sched_debug.cfs_rq:/.h_nr_queued.stddev 0.43 -12.6% 0.37 ± 4% sched_debug.cfs_rq:/.h_nr_runnable.stddev 4090419 ± 10% -24.6% 3084805 ± 16% sched_debug.cfs_rq:/.left_deadline.avg 18003705 +14.8% 20663365 sched_debug.cfs_rq:/.left_deadline.max 4090351 ± 10% -24.6% 3084762 ± 16% sched_debug.cfs_rq:/.left_vruntime.avg 18003453 +14.8% 20663106 sched_debug.cfs_rq:/.left_vruntime.max 210494 ± 6% -34.2% 138478 ± 13% sched_debug.cfs_rq:/.load.avg 369593 -15.2% 313425 ± 5% sched_debug.cfs_rq:/.load.stddev 306.81 ± 2% -20.3% 244.64 ± 3% sched_debug.cfs_rq:/.load_avg.avg 17718849 +13.3% 20079940 sched_debug.cfs_rq:/.min_vruntime.avg 18048710 +14.9% 20738723 sched_debug.cfs_rq:/.min_vruntime.max 593439 ± 9% +20.1% 712784 ± 7% sched_debug.cfs_rq:/.min_vruntime.stddev 0.39 -13.4% 0.34 ± 4% sched_debug.cfs_rq:/.nr_queued.stddev 4090352 ± 10% -24.6% 3084762 ± 16% sched_debug.cfs_rq:/.right_vruntime.avg 18003453 +14.8% 20663106 sched_debug.cfs_rq:/.right_vruntime.max 1578 ± 5% -26.9% 1152 ± 3% sched_debug.cpu.clock_task.stddev 6524 +9.7% 7157 ± 2% sched_debug.cpu.curr->pid.avg 3489 -15.2% 2959 ± 4% sched_debug.cpu.curr->pid.stddev 0.43 -11.8% 0.38 ± 5% sched_debug.cpu.nr_running.stddev 12935 -23.5% 9891 sched_debug.cpu.nr_switches.avg 9992 -29.9% 7005 sched_debug.cpu.nr_switches.min 1.78 +12.0% 1.99 perf-stat.i.MPKI 8.009e+10 -17.9% 6.573e+10 perf-stat.i.branch-instructions 0.10 +0.0 0.13 perf-stat.i.branch-miss-rate% 69402409 +11.9% 77663413 perf-stat.i.branch-misses 68.30 -3.1 65.21 perf-stat.i.cache-miss-rate% 7.15e+08 -8.4% 6.548e+08 perf-stat.i.cache-misses 1.045e+09 -4.1% 1.003e+09 perf-stat.i.cache-references 14887 -27.2% 10844 perf-stat.i.context-switches 1.37 +22.5% 1.68 perf-stat.i.cpi 655.70 -25.5% 488.81 perf-stat.i.cpu-migrations 773.72 +9.3% 845.79 perf-stat.i.cycles-between-cache-misses 4.03e+11 -18.3% 3.292e+11 perf-stat.i.instructions 0.73 -18.3% 0.60 perf-stat.i.ipc 1.78 +12.0% 2.00 perf-stat.overall.MPKI 0.08 +0.0 0.11 perf-stat.overall.branch-miss-rate% 68.53 -3.1 65.40 perf-stat.overall.cache-miss-rate% 1.38 +22.4% 1.69 perf-stat.overall.cpi 772.89 +9.3% 844.78 perf-stat.overall.cycles-between-cache-misses 0.73 -18.3% 0.59 perf-stat.overall.ipc 1248082 +2.9% 1284430 perf-stat.overall.path-length 7.967e+10 -17.8% 6.549e+10 perf-stat.ps.branch-instructions 66818507 +12.7% 75293544 perf-stat.ps.branch-misses 7.14e+08 -8.4% 6.543e+08 perf-stat.ps.cache-misses 1.042e+09 -4.0% 1e+09 perf-stat.ps.cache-references 14721 -26.9% 10766 perf-stat.ps.context-switches 634.91 -26.0% 469.53 perf-stat.ps.cpu-migrations 4.008e+11 -18.2% 3.28e+11 perf-stat.ps.instructions 1.217e+14 -18.1% 9.963e+13 perf-stat.total.instructions 22.70 -19.5 3.16 ± 4% perf-profile.calltrace.cycles-pp.__slab_free.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs 28.31 -11.3 17.02 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd 10.86 ± 4% -10.2 0.66 ± 18% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.kmem_cache_free.rcu_do_batch.rcu_core 10.64 ± 4% -10.0 0.65 ± 19% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.kmem_cache_free.rcu_do_batch 6.44 ± 4% -6.4 0.00 perf-profile.calltrace.cycles-pp.__put_partials.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs 6.04 ± 4% -6.0 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__put_partials.kmem_cache_free.rcu_do_batch.rcu_core 5.97 ± 4% -6.0 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__put_partials.kmem_cache_free.rcu_do_batch 31.46 -5.6 25.88 ± 2% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn 31.54 -5.5 26.04 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 31.54 -5.5 26.04 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 31.54 -5.5 26.04 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 31.51 -5.5 26.02 ± 2% perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork 31.51 -5.5 26.02 ± 2% perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 31.53 -5.5 26.04 ± 2% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 31.51 -5.5 26.02 ± 2% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread 6.32 ± 5% -4.0 2.34 ± 6% perf-profile.calltrace.cycles-pp.get_partial_node.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp 10.36 -2.7 7.69 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.37 ± 3% -2.5 3.90 ± 4% perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_vmi_align_munmap 6.36 ± 3% -2.5 3.90 ± 4% perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_brk_flags 4.15 ± 5% -2.0 2.17 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.get_partial_node.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes 4.10 ± 5% -1.9 2.16 ± 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.get_partial_node.___slab_alloc.kmem_cache_alloc_noprof 6.14 -1.6 4.54 perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 5.69 -1.5 4.21 perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.55 -0.9 2.64 perf-profile.calltrace.cycles-pp.perf_event_mmap.do_brk_flags.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.37 -0.9 2.50 perf-profile.calltrace.cycles-pp.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk 3.03 -0.8 2.24 perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.do_brk_flags.__do_sys_brk.do_syscall_64 2.73 ± 2% -0.8 1.96 ± 3% perf-profile.calltrace.cycles-pp.allocate_slab.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp 4.87 -0.7 4.14 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_gfp.do_brk_flags.__do_sys_brk.do_syscall_64 4.62 -0.7 3.90 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 2.70 -0.7 2.00 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap 2.01 ± 2% -0.6 1.42 ± 3% perf-profile.calltrace.cycles-pp.shuffle_freelist.allocate_slab.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes 2.22 -0.6 1.64 perf-profile.calltrace.cycles-pp.vm_area_alloc.do_brk_flags.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.91 -0.6 2.33 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.brk 2.10 -0.5 1.58 perf-profile.calltrace.cycles-pp.mas_find.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 1.84 -0.5 1.36 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_alloc.do_brk_flags.__do_sys_brk.do_syscall_64 1.77 -0.5 1.30 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas 1.66 -0.4 1.22 perf-profile.calltrace.cycles-pp.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk 1.60 -0.4 1.21 perf-profile.calltrace.cycles-pp.mas_walk.mas_find.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.24 -0.4 0.88 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes 0.68 -0.3 0.34 ± 70% perf-profile.calltrace.cycles-pp.__pi_memcpy.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk 1.18 -0.3 0.86 perf-profile.calltrace.cycles-pp.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_alloc.do_brk_flags.__do_sys_brk 1.21 -0.3 0.90 perf-profile.calltrace.cycles-pp.perf_iterate_sb.perf_event_mmap_event.perf_event_mmap.do_brk_flags.__do_sys_brk 1.62 ± 2% -0.3 1.33 perf-profile.calltrace.cycles-pp.kmem_cache_free.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 1.11 -0.3 0.82 perf-profile.calltrace.cycles-pp.mas_find.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 1.10 ± 5% -0.3 0.83 ± 2% perf-profile.calltrace.cycles-pp.__memcg_slab_free_hook.kmem_cache_free.vms_complete_munmap_vmas.do_vmi_align_munmap.__do_sys_brk 1.09 -0.3 0.83 perf-profile.calltrace.cycles-pp.mas_prev_slot.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 0.96 -0.2 0.71 perf-profile.calltrace.cycles-pp.mas_store_gfp.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 1.27 -0.2 1.02 perf-profile.calltrace.cycles-pp.check_brk_limits.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 0.91 -0.2 0.66 perf-profile.calltrace.cycles-pp.__vma_start_write.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 0.88 -0.2 0.65 perf-profile.calltrace.cycles-pp.mas_next_slot.mas_find.vms_gather_munmap_vmas.do_vmi_align_munmap.__do_sys_brk 0.88 -0.2 0.65 perf-profile.calltrace.cycles-pp.down_write_killable.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 0.82 -0.2 0.60 perf-profile.calltrace.cycles-pp.mas_wr_store_type.mas_store_gfp.do_brk_flags.__do_sys_brk.do_syscall_64 1.12 -0.2 0.91 perf-profile.calltrace.cycles-pp.__get_unmapped_area.check_brk_limits.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.83 -0.2 0.64 perf-profile.calltrace.cycles-pp.security_vm_enough_memory_mm.do_brk_flags.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.89 -0.2 0.71 perf-profile.calltrace.cycles-pp.mas_wr_store_type.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 0.66 -0.1 0.53 perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.__get_unmapped_area.check_brk_limits.__do_sys_brk.do_syscall_64 0.76 +0.1 0.90 ± 2% perf-profile.calltrace.cycles-pp.rcu_segcblist_enqueue.__call_rcu_common.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap 0.77 +0.1 0.91 ± 2% perf-profile.calltrace.cycles-pp.rcu_segcblist_enqueue.__call_rcu_common.mas_wr_node_store.mas_store_gfp.do_brk_flags 2.30 ± 8% +0.4 2.74 ± 7% perf-profile.calltrace.cycles-pp.get_partial_node.get_any_partial.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes 1.68 ± 8% +0.8 2.49 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.get_partial_node.get_any_partial.___slab_alloc.kmem_cache_alloc_noprof 1.65 ± 8% +0.8 2.49 ± 6% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.get_partial_node.get_any_partial.___slab_alloc 1.94 ± 7% +1.2 3.17 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu 2.05 ± 6% +1.5 3.60 ± 2% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt 2.05 ± 6% +1.6 3.60 ± 2% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 31.05 +2.3 33.34 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 0.00 +2.7 2.70 ± 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_replace_full_sheaf.__pcs_replace_full_main.kmem_cache_free 0.00 +2.7 2.74 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__put_partials.__kmem_cache_free_bulk.__pcs_replace_full_main 0.00 +2.8 2.78 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__put_partials.__kmem_cache_free_bulk.__pcs_replace_full_main.kmem_cache_free 0.00 +2.8 2.79 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_replace_full_sheaf.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch 0.00 +2.9 2.85 ± 4% perf-profile.calltrace.cycles-pp.barn_replace_full_sheaf.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch.rcu_core 0.00 +3.0 2.96 ± 3% perf-profile.calltrace.cycles-pp.__put_partials.__kmem_cache_free_bulk.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch 0.00 +3.6 3.60 ± 2% perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.barn_replace_empty_sheaf.__pcs_replace_empty_main 0.00 +3.6 3.60 ± 2% perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.barn_replace_empty_sheaf 0.00 +3.7 3.66 ± 2% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof 0.00 +3.7 3.67 ± 2% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 0.00 +4.5 4.45 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.__pcs_replace_full_main 0.00 +4.9 4.88 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.__pcs_replace_full_main.kmem_cache_free 3.01 ± 8% +5.6 8.63 ± 6% perf-profile.calltrace.cycles-pp.rcu_cblist_dequeue.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd 67.44 +5.6 73.08 perf-profile.calltrace.cycles-pp.brk 0.00 +6.3 6.30 ± 2% perf-profile.calltrace.cycles-pp.__slab_free.__kmem_cache_free_bulk.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch 64.12 +6.5 70.58 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk 23.91 +6.5 30.38 perf-profile.calltrace.cycles-pp.do_brk_flags.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 63.84 +6.5 70.36 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 13.87 +6.7 20.57 perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 61.89 +7.1 68.96 perf-profile.calltrace.cycles-pp.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 7.26 ± 3% +7.9 15.14 perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64 7.04 ± 3% +7.9 14.97 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_vmi_align_munmap.__do_sys_brk 14.14 +8.9 23.06 perf-profile.calltrace.cycles-pp.mas_store_gfp.do_brk_flags.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +10.0 9.98 ± 2% perf-profile.calltrace.cycles-pp.__kmem_cache_free_bulk.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch.rcu_core 7.30 ± 3% +10.2 17.45 perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_store_gfp.do_brk_flags.__do_sys_brk.do_syscall_64 7.04 ± 3% +10.2 17.25 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_brk_flags.__do_sys_brk 0.00 +10.5 10.50 ± 2% perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_vmi_align_munmap 0.00 +12.8 12.75 ± 2% perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp.do_brk_flags 0.00 +13.0 12.97 perf-profile.calltrace.cycles-pp.__pcs_replace_full_main.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs 0.00 +16.7 16.74 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof 0.00 +17.4 17.38 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes 0.00 +22.7 22.71 ± 2% perf-profile.calltrace.cycles-pp.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_store_gfp 28.05 -17.9 10.20 ± 2% perf-profile.children.cycles-pp.__slab_free 39.76 -15.6 24.20 perf-profile.children.cycles-pp.kmem_cache_free 41.92 -8.6 33.35 perf-profile.children.cycles-pp.handle_softirqs 41.90 -8.6 33.34 perf-profile.children.cycles-pp.rcu_core 41.89 -8.6 33.33 perf-profile.children.cycles-pp.rcu_do_batch 31.54 -5.5 26.04 ± 2% perf-profile.children.cycles-pp.kthread 31.54 -5.5 26.04 ± 2% perf-profile.children.cycles-pp.ret_from_fork 31.54 -5.5 26.04 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm 31.51 -5.5 26.02 ± 2% perf-profile.children.cycles-pp.run_ksoftirqd 31.53 -5.5 26.04 ± 2% perf-profile.children.cycles-pp.smpboot_thread_fn 12.73 ± 3% -4.9 7.81 ± 4% perf-profile.children.cycles-pp.___slab_alloc 9.40 ± 4% -4.7 4.70 ± 3% perf-profile.children.cycles-pp.__put_partials 8.62 ± 6% -3.5 5.08 ± 6% perf-profile.children.cycles-pp.get_partial_node 10.96 ± 2% -3.1 7.86 ± 2% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 11.00 ± 2% -3.1 7.91 ± 2% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 10.40 ± 2% -3.1 7.33 ± 2% perf-profile.children.cycles-pp.__irq_exit_rcu 10.46 -2.7 7.76 perf-profile.children.cycles-pp.vms_complete_munmap_vmas 6.20 -1.6 4.59 perf-profile.children.cycles-pp.vms_clear_ptes 5.88 -1.5 4.36 perf-profile.children.cycles-pp.vms_gather_munmap_vmas 9.73 -1.5 8.24 perf-profile.children.cycles-pp.mas_wr_node_store 4.52 -1.1 3.44 perf-profile.children.cycles-pp.mas_find 3.57 -0.9 2.66 perf-profile.children.cycles-pp.perf_event_mmap 3.44 -0.9 2.55 perf-profile.children.cycles-pp.unmap_vmas 3.19 -0.8 2.36 perf-profile.children.cycles-pp.perf_event_mmap_event 2.74 ± 2% -0.8 1.96 ± 3% perf-profile.children.cycles-pp.allocate_slab 2.74 -0.7 2.04 perf-profile.children.cycles-pp.unmap_page_range 2.44 ± 2% -0.7 1.76 ± 3% perf-profile.children.cycles-pp.shuffle_freelist 2.25 -0.6 1.66 perf-profile.children.cycles-pp.vm_area_alloc 2.25 -0.5 1.74 perf-profile.children.cycles-pp.mas_walk 1.81 -0.5 1.33 perf-profile.children.cycles-pp.zap_pmd_range 1.78 -0.5 1.33 perf-profile.children.cycles-pp.free_pgtables 1.79 -0.4 1.38 perf-profile.children.cycles-pp.mas_wr_store_type 1.49 -0.4 1.10 perf-profile.children.cycles-pp.mas_next_slot 1.30 -0.4 0.93 perf-profile.children.cycles-pp.zap_pte_range 1.49 -0.4 1.12 perf-profile.children.cycles-pp.mas_prev_slot 1.47 -0.4 1.10 perf-profile.children.cycles-pp.__pi_memcpy 1.71 -0.3 1.37 perf-profile.children.cycles-pp.entry_SYSCALL_64 1.22 -0.3 0.89 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 1.27 -0.3 0.95 perf-profile.children.cycles-pp.perf_iterate_sb 1.17 -0.3 0.89 perf-profile.children.cycles-pp.mas_update_gap 1.13 ± 5% -0.3 0.86 ± 2% perf-profile.children.cycles-pp.__memcg_slab_free_hook 1.04 -0.3 0.76 perf-profile.children.cycles-pp.__vma_start_write 1.31 -0.3 1.05 perf-profile.children.cycles-pp.check_brk_limits 0.99 -0.2 0.74 perf-profile.children.cycles-pp.__cond_resched 0.95 -0.2 0.71 perf-profile.children.cycles-pp.down_write_killable 1.09 ± 3% -0.2 0.86 ± 3% perf-profile.children.cycles-pp.mas_pop_node 0.96 -0.2 0.74 perf-profile.children.cycles-pp.security_vm_enough_memory_mm 1.16 -0.2 0.94 perf-profile.children.cycles-pp.__get_unmapped_area 0.76 ± 2% -0.2 0.56 ± 2% perf-profile.children.cycles-pp.setup_object 0.64 -0.2 0.45 perf-profile.children.cycles-pp.__pte_offset_map_lock 0.80 -0.2 0.62 perf-profile.children.cycles-pp.mas_leaf_max_gap 0.83 -0.2 0.66 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.55 -0.2 0.40 perf-profile.children.cycles-pp.up_read 0.49 -0.1 0.35 perf-profile.children.cycles-pp.mas_prev 0.57 -0.1 0.43 perf-profile.children.cycles-pp.vma_merge_new_range 0.51 -0.1 0.37 perf-profile.children.cycles-pp.mas_wr_store_entry 0.51 -0.1 0.38 perf-profile.children.cycles-pp.rcu_all_qs 0.67 -0.1 0.54 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 0.46 ± 2% -0.1 0.34 ± 2% perf-profile.children.cycles-pp.perf_event_mmap_output 0.42 -0.1 0.30 perf-profile.children.cycles-pp.tlb_finish_mmu 0.44 -0.1 0.32 perf-profile.children.cycles-pp.mas_prev_range 0.42 -0.1 0.30 perf-profile.children.cycles-pp.obj_cgroup_charge_account 0.41 ± 2% -0.1 0.31 ± 2% perf-profile.children.cycles-pp.refill_obj_stock 0.34 ± 2% -0.1 0.24 perf-profile.children.cycles-pp.sized_strscpy 0.40 -0.1 0.30 ± 3% perf-profile.children.cycles-pp.static_key_count 0.34 -0.1 0.24 perf-profile.children.cycles-pp.percpu_counter_add_batch 0.38 -0.1 0.29 perf-profile.children.cycles-pp.mas_prev_setup 0.29 -0.1 0.20 perf-profile.children.cycles-pp._raw_spin_lock 0.26 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.alloc_pages_mpol 0.32 -0.1 0.24 ± 2% perf-profile.children.cycles-pp.kfree 0.36 -0.1 0.27 perf-profile.children.cycles-pp.can_vma_merge_left 0.31 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.tlb_gather_mmu 0.31 -0.1 0.22 perf-profile.children.cycles-pp.up_write 0.25 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 0.33 -0.1 0.24 ± 2% perf-profile.children.cycles-pp.downgrade_write 0.24 ± 2% -0.1 0.16 perf-profile.children.cycles-pp.get_page_from_freelist 0.28 -0.1 0.20 perf-profile.children.cycles-pp.vma_mark_detached 0.24 -0.1 0.16 perf-profile.children.cycles-pp.unlink_anon_vmas 0.31 -0.1 0.24 ± 2% perf-profile.children.cycles-pp.__account_obj_stock 0.28 -0.1 0.21 perf-profile.children.cycles-pp.mas_destroy 0.33 -0.1 0.25 perf-profile.children.cycles-pp.__vm_enough_memory 0.25 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.remove_vma 0.29 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.mas_next_range 0.27 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.vm_area_free 0.23 -0.1 0.16 ± 2% perf-profile.children.cycles-pp.strnlen 0.30 -0.1 0.24 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.25 -0.1 0.19 perf-profile.children.cycles-pp.userfaultfd_unmap_complete 0.22 -0.1 0.16 ± 3% perf-profile.children.cycles-pp.x64_sys_call 0.16 ± 3% -0.1 0.10 perf-profile.children.cycles-pp.unlink_file_vma_batch_init 0.19 ± 2% -0.1 0.14 perf-profile.children.cycles-pp.strlen 0.18 ± 2% -0.0 0.13 perf-profile.children.cycles-pp.unmap_single_vma 0.18 ± 2% -0.0 0.13 perf-profile.children.cycles-pp.free_pgd_range 0.12 -0.0 0.08 ± 6% perf-profile.children.cycles-pp.unlink_file_vma_batch_add 0.19 -0.0 0.15 ± 3% perf-profile.children.cycles-pp.is_mergeable_anon_vma 0.29 ± 3% -0.0 0.24 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.14 ± 3% -0.0 0.10 perf-profile.children.cycles-pp.rmqueue_pcplist 0.17 -0.0 0.13 ± 2% perf-profile.children.cycles-pp.__build_id_parse 0.27 ± 4% -0.0 0.23 ± 9% perf-profile.children.cycles-pp.__free_frozen_pages 0.15 ± 4% -0.0 0.11 ± 3% perf-profile.children.cycles-pp.rmqueue 0.15 ± 2% -0.0 0.11 ± 3% perf-profile.children.cycles-pp.vm_get_page_prot 0.13 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.__rmqueue_pcplist 0.16 ± 4% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.cap_capable 0.16 ± 3% -0.0 0.12 perf-profile.children.cycles-pp.security_mmap_addr 0.14 ± 3% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.mas_nomem 0.12 ± 4% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.rmqueue_bulk 0.14 -0.0 0.11 perf-profile.children.cycles-pp.mas_next_setup 0.11 ± 3% -0.0 0.08 perf-profile.children.cycles-pp.userfaultfd_unmap_prep 0.14 -0.0 0.11 ± 4% perf-profile.children.cycles-pp.testcase 0.12 ± 4% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.___pte_offset_map 0.57 -0.0 0.54 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.12 ± 4% -0.0 0.10 perf-profile.children.cycles-pp.mas_node_count_gfp 0.58 -0.0 0.55 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.10 -0.0 0.08 ± 4% perf-profile.children.cycles-pp.__mt_destroy 0.08 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.finish_rcuwait 0.46 -0.0 0.44 ± 2% perf-profile.children.cycles-pp.update_process_times 0.10 ± 5% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.brk@plt 0.08 -0.0 0.06 perf-profile.children.cycles-pp.flush_tlb_batched_pending 0.15 ± 2% -0.0 0.13 ± 2% perf-profile.children.cycles-pp.may_expand_vm 0.08 ± 6% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.cap_vm_enough_memory 0.07 -0.0 0.05 ± 8% perf-profile.children.cycles-pp.unlink_file_vma_batch_final 0.07 -0.0 0.06 perf-profile.children.cycles-pp.ksm_vma_flags 0.06 -0.0 0.05 perf-profile.children.cycles-pp.__x64_sys_brk 0.06 -0.0 0.05 perf-profile.children.cycles-pp.get_jiffies_update 0.05 +0.0 0.06 perf-profile.children.cycles-pp.update_se 0.09 +0.0 0.12 perf-profile.children.cycles-pp.mm_get_unmapped_area_vmflags 0.07 ± 5% +0.1 0.16 ± 4% perf-profile.children.cycles-pp.mt_free_rcu 1.57 +0.3 1.84 ± 2% perf-profile.children.cycles-pp.rcu_segcblist_enqueue 31.11 +2.3 33.38 perf-profile.children.cycles-pp.do_vmi_align_munmap 0.00 +3.7 3.71 ± 4% perf-profile.children.cycles-pp.barn_replace_full_sheaf 67.99 +5.5 73.53 perf-profile.children.cycles-pp.brk 29.36 ± 4% +6.2 35.57 ± 2% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 24.09 +6.4 30.53 perf-profile.children.cycles-pp.do_brk_flags 64.22 +6.5 70.68 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 3.60 ± 7% +6.5 10.10 ± 5% perf-profile.children.cycles-pp.rcu_cblist_dequeue 63.97 +6.5 70.47 perf-profile.children.cycles-pp.do_syscall_64 62.09 +7.0 69.12 perf-profile.children.cycles-pp.__do_sys_brk 29.84 ± 4% +7.1 36.90 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.00 +11.1 11.10 ± 2% perf-profile.children.cycles-pp.__kmem_cache_free_bulk 0.00 +15.0 14.97 perf-profile.children.cycles-pp.__pcs_replace_full_main 29.19 +15.3 44.52 perf-profile.children.cycles-pp.mas_store_gfp 15.99 ± 2% +17.7 33.65 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 14.62 ± 3% +18.0 32.65 perf-profile.children.cycles-pp.mas_alloc_nodes 0.00 +22.7 22.73 ± 2% perf-profile.children.cycles-pp.barn_replace_empty_sheaf 0.00 +23.3 23.30 ± 2% perf-profile.children.cycles-pp.__pcs_replace_empty_main 13.05 ± 4% -9.5 3.55 ± 3% perf-profile.self.cycles-pp.__slab_free 2.74 ± 3% -0.4 2.30 ± 4% perf-profile.self.cycles-pp.mas_wr_node_store 1.90 ± 2% -0.4 1.47 ± 3% perf-profile.self.cycles-pp.shuffle_freelist 1.92 -0.4 1.52 perf-profile.self.cycles-pp.mas_store_gfp 1.00 ± 2% -0.4 0.64 ± 4% perf-profile.self.cycles-pp.___slab_alloc 1.88 -0.3 1.55 perf-profile.self.cycles-pp.mas_walk 1.68 -0.3 1.35 perf-profile.self.cycles-pp.brk 1.52 -0.3 1.24 perf-profile.self.cycles-pp.mas_wr_store_type 1.27 -0.3 1.01 perf-profile.self.cycles-pp.__do_sys_brk 1.16 -0.3 0.91 perf-profile.self.cycles-pp.__pi_memcpy 1.22 -0.3 0.97 perf-profile.self.cycles-pp.mas_next_slot 1.25 -0.2 1.00 perf-profile.self.cycles-pp.mas_prev_slot 1.14 -0.2 0.90 perf-profile.self.cycles-pp.do_syscall_64 1.06 -0.2 0.86 perf-profile.self.cycles-pp.do_brk_flags 0.96 -0.2 0.76 perf-profile.self.cycles-pp.mas_find 0.98 -0.2 0.78 perf-profile.self.cycles-pp.__call_rcu_common 1.60 -0.2 1.43 perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.82 -0.2 0.65 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.78 -0.2 0.62 perf-profile.self.cycles-pp.__vma_start_write 0.91 ± 3% -0.2 0.76 ± 3% perf-profile.self.cycles-pp.mas_pop_node 0.70 -0.2 0.55 perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.71 -0.1 0.56 perf-profile.self.cycles-pp.mas_leaf_max_gap 0.74 -0.1 0.59 perf-profile.self.cycles-pp.perf_event_mmap_event 0.70 ± 2% -0.1 0.56 ± 3% perf-profile.self.cycles-pp.perf_iterate_sb 0.65 -0.1 0.51 perf-profile.self.cycles-pp.vms_gather_munmap_vmas 0.71 -0.1 0.58 perf-profile.self.cycles-pp.unmap_page_range 0.46 ± 2% -0.1 0.34 perf-profile.self.cycles-pp.vms_complete_munmap_vmas 0.64 -0.1 0.52 perf-profile.self.cycles-pp.do_vmi_align_munmap 0.51 -0.1 0.40 perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown 0.20 ± 2% -0.1 0.09 ± 4% perf-profile.self.cycles-pp.get_any_partial 0.56 -0.1 0.45 perf-profile.self.cycles-pp.down_write_killable 0.49 -0.1 0.38 perf-profile.self.cycles-pp.zap_pte_range 0.45 -0.1 0.36 perf-profile.self.cycles-pp.up_read 0.48 -0.1 0.38 perf-profile.self.cycles-pp.__cond_resched 0.45 -0.1 0.36 perf-profile.self.cycles-pp.mas_alloc_nodes 0.40 -0.1 0.31 perf-profile.self.cycles-pp.mas_wr_store_entry 0.42 -0.1 0.33 perf-profile.self.cycles-pp.entry_SYSCALL_64 0.34 -0.1 0.26 ± 2% perf-profile.self.cycles-pp.tlb_finish_mmu 0.42 -0.1 0.35 perf-profile.self.cycles-pp.free_pgtables 0.18 ± 2% -0.1 0.10 perf-profile.self.cycles-pp.__put_partials 0.36 ± 2% -0.1 0.29 ± 2% perf-profile.self.cycles-pp.perf_event_mmap_output 0.40 -0.1 0.33 ± 2% perf-profile.self.cycles-pp.security_vm_enough_memory_mm 0.27 ± 2% -0.1 0.20 ± 2% perf-profile.self.cycles-pp.sized_strscpy 0.32 -0.1 0.26 perf-profile.self.cycles-pp.mas_update_gap 0.32 -0.1 0.26 perf-profile.self.cycles-pp.vm_area_alloc 0.24 -0.1 0.18 perf-profile.self.cycles-pp.mas_prev 0.28 -0.1 0.22 perf-profile.self.cycles-pp.mas_prev_setup 0.29 -0.1 0.23 perf-profile.self.cycles-pp.rcu_all_qs 0.28 -0.1 0.22 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.33 -0.1 0.27 perf-profile.self.cycles-pp.zap_pmd_range 0.25 -0.1 0.19 perf-profile.self.cycles-pp.up_write 0.28 -0.1 0.22 perf-profile.self.cycles-pp.unmap_vmas 0.25 -0.1 0.19 ± 2% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.26 -0.1 0.21 perf-profile.self.cycles-pp.vms_clear_ptes 0.21 -0.1 0.16 ± 3% perf-profile.self.cycles-pp.__pte_offset_map_lock 0.22 -0.1 0.17 ± 2% perf-profile.self.cycles-pp._raw_spin_lock 0.18 ± 2% -0.1 0.12 ± 3% perf-profile.self.cycles-pp.unlink_anon_vmas 0.26 -0.1 0.21 perf-profile.self.cycles-pp.downgrade_write 0.25 ± 3% -0.1 0.20 ± 3% perf-profile.self.cycles-pp.setup_object 0.24 -0.1 0.19 perf-profile.self.cycles-pp.__account_obj_stock 0.24 -0.1 0.19 ± 2% perf-profile.self.cycles-pp.kfree 0.24 -0.1 0.19 perf-profile.self.cycles-pp.static_key_count 0.18 -0.1 0.13 perf-profile.self.cycles-pp.strnlen 0.24 -0.1 0.19 perf-profile.self.cycles-pp.tlb_gather_mmu 0.22 -0.0 0.17 perf-profile.self.cycles-pp.vma_mark_detached 0.22 -0.0 0.17 ± 2% perf-profile.self.cycles-pp.refill_obj_stock 0.12 ± 3% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.get_partial_node 0.29 ± 2% -0.0 0.24 perf-profile.self.cycles-pp.syscall_return_via_sysret 0.21 -0.0 0.17 ± 2% perf-profile.self.cycles-pp.mas_destroy 0.32 -0.0 0.28 perf-profile.self.cycles-pp.perf_event_mmap 0.11 ± 3% -0.0 0.07 perf-profile.self.cycles-pp.unlink_file_vma_batch_init 0.19 -0.0 0.15 perf-profile.self.cycles-pp.userfaultfd_unmap_complete 0.22 -0.0 0.18 perf-profile.self.cycles-pp.mas_prev_range 0.20 -0.0 0.16 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.18 ± 2% -0.0 0.15 ± 3% perf-profile.self.cycles-pp.vma_merge_new_range 0.17 -0.0 0.13 ± 3% perf-profile.self.cycles-pp.x64_sys_call 0.20 ± 2% -0.0 0.16 ± 2% perf-profile.self.cycles-pp.obj_cgroup_charge_account 0.10 ± 5% -0.0 0.06 perf-profile.self.cycles-pp.unlink_file_vma_batch_add 0.25 -0.0 0.21 ± 2% perf-profile.self.cycles-pp.__get_unmapped_area 0.13 ± 3% -0.0 0.10 perf-profile.self.cycles-pp.unmap_single_vma 0.14 -0.0 0.11 perf-profile.self.cycles-pp.free_pgd_range 0.14 -0.0 0.11 perf-profile.self.cycles-pp.strlen 0.14 ± 3% -0.0 0.12 ± 4% perf-profile.self.cycles-pp.can_vma_merge_left 0.15 -0.0 0.12 ± 3% perf-profile.self.cycles-pp.is_mergeable_anon_vma 0.13 ± 5% -0.0 0.10 ± 4% perf-profile.self.cycles-pp.cap_capable 0.10 ± 4% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.vm_area_free 0.10 ± 4% -0.0 0.08 ± 4% perf-profile.self.cycles-pp.vm_get_page_prot 0.10 -0.0 0.08 perf-profile.self.cycles-pp.___pte_offset_map 0.13 -0.0 0.11 perf-profile.self.cycles-pp.__build_id_parse 0.13 -0.0 0.11 perf-profile.self.cycles-pp.check_brk_limits 0.13 -0.0 0.11 perf-profile.self.cycles-pp.mas_next_range 0.11 ± 4% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.mas_next_setup 0.09 -0.0 0.07 perf-profile.self.cycles-pp.security_mmap_addr 0.14 -0.0 0.12 ± 3% perf-profile.self.cycles-pp.__vm_enough_memory 0.08 -0.0 0.06 ± 6% perf-profile.self.cycles-pp.__mt_destroy 0.07 ± 5% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.rmqueue_bulk 0.09 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.mas_nomem 0.07 ± 7% -0.0 0.05 perf-profile.self.cycles-pp.userfaultfd_unmap_prep 0.10 -0.0 0.08 ± 5% perf-profile.self.cycles-pp.testcase 0.06 ± 6% -0.0 0.05 perf-profile.self.cycles-pp.finish_rcuwait 0.08 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.remove_vma 0.08 -0.0 0.07 perf-profile.self.cycles-pp.mas_node_count_gfp 0.12 -0.0 0.11 perf-profile.self.cycles-pp.may_expand_vm 0.06 -0.0 0.05 perf-profile.self.cycles-pp.get_jiffies_update 0.07 +0.0 0.11 perf-profile.self.cycles-pp.mm_get_unmapped_area_vmflags 0.00 +0.1 0.07 ± 5% perf-profile.self.cycles-pp.barn_replace_full_sheaf 0.00 +0.2 0.18 ± 2% perf-profile.self.cycles-pp.__pcs_replace_full_main 0.17 +0.2 0.36 ± 2% perf-profile.self.cycles-pp.rcu_do_batch 1.52 +0.3 1.81 ± 2% perf-profile.self.cycles-pp.rcu_segcblist_enqueue 0.00 +0.6 0.56 ± 2% perf-profile.self.cycles-pp.__pcs_replace_empty_main 0.00 +0.6 0.62 ± 5% perf-profile.self.cycles-pp.__kmem_cache_free_bulk 0.49 +0.8 1.32 perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.00 +1.6 1.64 perf-profile.self.cycles-pp.barn_replace_empty_sheaf 1.23 +2.5 3.76 perf-profile.self.cycles-pp.kmem_cache_free 29.36 ± 4% +6.2 35.57 ± 2% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 3.56 ± 7% +6.5 10.03 ± 5% perf-profile.self.cycles-pp.rcu_cblist_dequeue 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. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki