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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 76.6% improvement of stress-ng.mmapfiles.ops_per_sec on: commit: 0f35040de59371ad542b915d7b91176c9910dadc ("mm/slab: introduce kvfree_rcu_barrier_on_cache() for cache destruction") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 100% testtime: 60s test: mmapfiles cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260112/202601121000.9df978f9-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-icl-2sp8/mmapfiles/stress-ng/60s commit: b687034b1a ("Merge tag 'slab-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab") slab-for-6.19-rc1 b687034b1a4d8533 slab-for-6.19-rc1 ---------------- --------------------------- %stddev %change %stddev \ | \ 3.885e+09 -11.0% 3.457e+09 cpuidle..time 548127 +46.9% 805428 ± 2% cpuidle..usage 804535 ± 5% +8.9% 876030 ± 4% meminfo.Active 804498 ± 5% +8.9% 876003 ± 4% meminfo.Active(anon) 55470 ± 3% +62.6% 90204 ± 6% meminfo.Shmem 0.04 ± 3% +0.0 0.07 ± 4% mpstat.cpu.all.irq% 0.04 +0.0 0.08 ± 2% mpstat.cpu.all.soft% 5.69 +7.6 13.31 ± 7% mpstat.cpu.all.sys% 1.10 +0.3 1.43 ± 2% mpstat.cpu.all.usr% 543183 ± 6% +61.8% 878606 ± 7% numa-numastat.node0.local_node 584635 ± 4% +56.2% 913219 ± 7% numa-numastat.node0.numa_hit 608975 ± 6% +52.4% 927910 ± 4% numa-numastat.node1.local_node 633867 ± 5% +51.4% 959726 ± 4% numa-numastat.node1.numa_hit 93.29 -8.3% 85.52 vmstat.cpu.id 4.81 ± 11% +110.3% 10.12 ± 9% vmstat.procs.r 7005 -15.9% 5889 ± 3% vmstat.system.cs 17980 +105.8% 37005 ± 5% vmstat.system.in 1102 ± 10% +65.0% 1818 ± 13% perf-c2c.DRAM.local 1282 ± 6% +277.4% 4839 ± 57% perf-c2c.DRAM.remote 316.50 ± 22% +1932.8% 6433 ± 50% perf-c2c.HITM.local 284.67 ± 28% +873.7% 2771 ± 79% perf-c2c.HITM.remote 601.17 ± 20% +1431.3% 9205 ± 58% perf-c2c.HITM.total 3516848 ± 4% -61.5% 1353981 ±104% numa-meminfo.node0.FilePages 78289 ± 9% -56.4% 34115 ± 69% numa-meminfo.node0.Mapped 5170183 ± 2% -39.7% 3119937 ± 44% numa-meminfo.node0.MemUsed 3511726 ± 4% -61.7% 1344941 ±105% numa-meminfo.node0.Unevictable 7406 ± 95% +674.1% 57329 ± 38% numa-meminfo.node1.Mapped 2021257 ± 10% +102.9% 4100815 ± 33% numa-meminfo.node1.MemUsed 47495 ± 7% +65.1% 78423 ± 13% numa-meminfo.node1.Shmem 252.83 +113.5% 539.83 ± 6% turbostat.Avg_MHz 7.04 +8.0 15.03 ± 6% turbostat.Busy% 93.02 -7.9 85.08 turbostat.C1% 89.16 -16.9% 74.13 ± 2% turbostat.CPU%c1 0.79 -20.0% 0.63 ± 4% turbostat.IPC 1161434 +104.1% 2369952 ± 5% turbostat.IRQ 139727 ± 2% +215.7% 441105 ± 16% turbostat.NMI 258.37 +7.9% 278.78 turbostat.PkgWatt 16.88 +3.4% 17.46 turbostat.RAMWatt 879212 ± 4% -61.5% 338495 ±104% numa-vmstat.node0.nr_file_pages 19574 ± 9% -56.4% 8529 ± 69% numa-vmstat.node0.nr_mapped 877931 ± 4% -61.7% 336235 ±105% numa-vmstat.node0.nr_unevictable 877931 ± 4% -61.7% 336235 ±105% numa-vmstat.node0.nr_zone_unevictable 585020 ± 4% +56.1% 913216 ± 7% numa-vmstat.node0.numa_hit 543569 ± 6% +61.6% 878602 ± 7% numa-vmstat.node0.numa_local 1854 ± 94% +673.4% 14338 ± 38% numa-vmstat.node1.nr_mapped 11875 ± 7% +65.1% 19609 ± 13% numa-vmstat.node1.nr_shmem 634048 ± 5% +51.4% 959864 ± 4% numa-vmstat.node1.numa_hit 609156 ± 6% +52.3% 928048 ± 4% numa-vmstat.node1.numa_local 201131 ± 5% +8.9% 219005 ± 4% proc-vmstat.nr_active_anon 21407 +6.7% 22832 ± 3% proc-vmstat.nr_mapped 13869 ± 3% +62.6% 22552 ± 6% proc-vmstat.nr_shmem 38217 +1.7% 38885 proc-vmstat.nr_slab_reclaimable 201131 ± 5% +8.9% 219005 ± 4% proc-vmstat.nr_zone_active_anon 1221409 +53.5% 1874979 ± 2% proc-vmstat.numa_hit 1155066 +56.6% 1808549 ± 2% proc-vmstat.numa_local 2768142 +60.7% 4447822 proc-vmstat.pgalloc_normal 353846 ± 4% +15.1% 407147 ± 3% proc-vmstat.pgfault 2722411 +60.4% 4367868 proc-vmstat.pgfree 586929 -3.7% 565247 stress-ng.mmapfiles.file_munmap_per_sec 24139835 -3.7% 23252834 stress-ng.mmapfiles.file_pages_munmap'd_per_sec 9339622 +73.8% 16229674 stress-ng.mmapfiles.ops 151192 +76.6% 267038 stress-ng.mmapfiles.ops_per_sec 18364 ± 2% -6.0% 17263 ± 2% stress-ng.time.involuntary_context_switches 85205 ± 8% +46.4% 124766 ± 5% stress-ng.time.minor_page_faults 366.67 +140.1% 880.50 ± 7% stress-ng.time.percent_of_cpu_this_job_got 221.84 +135.6% 522.66 ± 7% stress-ng.time.system_time 11.46 +81.0% 20.75 ± 2% stress-ng.time.user_time 12290 ± 5% +295.1% 48561 ± 8% stress-ng.time.voluntary_context_switches 59363 ± 9% +51.8% 90128 ± 9% sched_debug.cfs_rq:/.avg_vruntime.avg 113379 ± 12% +29.1% 146372 ± 10% sched_debug.cfs_rq:/.avg_vruntime.max 40057 ± 12% +49.6% 59929 ± 11% sched_debug.cfs_rq:/.avg_vruntime.min 12470 ± 4% +36.6% 17031 ± 12% sched_debug.cfs_rq:/.avg_vruntime.stddev 0.14 ± 14% +31.6% 0.19 ± 4% sched_debug.cfs_rq:/.h_nr_queued.avg 0.32 ± 7% +20.8% 0.39 ± 2% sched_debug.cfs_rq:/.h_nr_queued.stddev 0.14 ± 14% +29.8% 0.18 ± 5% sched_debug.cfs_rq:/.h_nr_runnable.avg 0.32 ± 7% +18.1% 0.38 ± 3% sched_debug.cfs_rq:/.h_nr_runnable.stddev 0.14 ± 14% +31.6% 0.19 ± 4% sched_debug.cfs_rq:/.nr_queued.avg 0.32 ± 7% +20.8% 0.39 ± 2% sched_debug.cfs_rq:/.nr_queued.stddev 31.83 ± 18% +31.9% 41.98 ± 17% sched_debug.cfs_rq:/.util_est.avg 59319 ± 9% +51.9% 90078 ± 9% sched_debug.cfs_rq:/.zero_vruntime.avg 113112 ± 12% +29.4% 146352 ± 10% sched_debug.cfs_rq:/.zero_vruntime.max 40057 ± 12% +49.6% 59928 ± 11% sched_debug.cfs_rq:/.zero_vruntime.min 12374 ± 4% +37.1% 16971 ± 12% sched_debug.cfs_rq:/.zero_vruntime.stddev 167786 ± 52% -90.2% 16371 ± 87% sched_debug.cpu.avg_idle.min 185374 ± 6% +36.3% 252712 ± 8% sched_debug.cpu.avg_idle.stddev 751.10 ± 16% +36.3% 1023 ± 6% sched_debug.cpu.curr->pid.avg 1868 ± 9% +18.8% 2218 ± 3% sched_debug.cpu.curr->pid.stddev 0.14 ± 13% +33.3% 0.19 ± 5% sched_debug.cpu.nr_running.avg 0.32 ± 7% +21.6% 0.39 ± 2% sched_debug.cpu.nr_running.stddev 2590 ± 5% -37.6% 1615 ± 12% sched_debug.cpu.nr_switches.min 1.76 ± 2% +31.8% 2.32 ± 2% perf-stat.i.MPKI 2.835e+09 +71.5% 4.861e+09 ± 2% perf-stat.i.branch-instructions 1.45 ± 4% -0.5 0.96 perf-stat.i.branch-miss-rate% 45154700 +18.4% 53446259 ± 2% perf-stat.i.branch-misses 49.48 -9.1 40.33 ± 3% perf-stat.i.cache-miss-rate% 22146898 ± 2% +125.0% 49827612 ± 4% perf-stat.i.cache-misses 48127106 +172.4% 1.311e+08 ± 4% perf-stat.i.cache-references 7085 -16.3% 5930 ± 3% perf-stat.i.context-switches 1.05 ± 3% +41.7% 1.49 ± 4% perf-stat.i.cpi 1.657e+10 +113.5% 3.536e+10 ± 6% perf-stat.i.cpu-cycles 111.84 +25.8% 140.66 ± 2% perf-stat.i.cpu-migrations 777.39 ± 6% -12.7% 678.78 ± 5% perf-stat.i.cycles-between-cache-misses 1.3e+10 +70.4% 2.216e+10 ± 2% perf-stat.i.instructions 1.15 -33.0% 0.77 ± 4% perf-stat.i.ipc 0.03 ± 55% +309.6% 0.14 ± 56% perf-stat.i.major-faults 4320 ± 5% +21.1% 5234 ± 4% perf-stat.i.minor-faults 4320 ± 5% +21.2% 5234 ± 4% perf-stat.i.page-faults 1.70 ± 2% +32.1% 2.25 ± 3% perf-stat.overall.MPKI 1.59 -0.5 1.10 perf-stat.overall.branch-miss-rate% 46.00 -7.9 38.05 ± 4% perf-stat.overall.cache-miss-rate% 1.27 +25.0% 1.59 ± 4% perf-stat.overall.cpi 0.78 -19.8% 0.63 ± 4% perf-stat.overall.ipc 2.79e+09 +71.3% 4.781e+09 ± 2% perf-stat.ps.branch-instructions 44426777 +17.9% 52393373 ± 2% perf-stat.ps.branch-misses 21794608 ± 2% +124.9% 49012738 ± 4% perf-stat.ps.cache-misses 47382298 +172.2% 1.29e+08 ± 4% perf-stat.ps.cache-references 6972 -16.3% 5837 ± 3% perf-stat.ps.context-switches 1.631e+10 +113.1% 3.477e+10 ± 6% perf-stat.ps.cpu-cycles 110.14 +26.2% 138.97 ± 2% perf-stat.ps.cpu-migrations 1.28e+10 +70.3% 2.179e+10 ± 2% perf-stat.ps.instructions 0.03 ± 55% +308.7% 0.14 ± 56% perf-stat.ps.major-faults 4251 ± 5% +20.9% 5141 ± 4% perf-stat.ps.minor-faults 4251 ± 5% +20.9% 5141 ± 4% perf-stat.ps.page-faults 8.228e+11 +66.4% 1.369e+12 ± 2% perf-stat.total.instructions 29.61 -13.4 16.16 ± 4% perf-profile.calltrace.cycles-pp.__mmap 28.45 -12.9 15.52 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap 28.35 -12.9 15.47 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 27.82 -12.6 15.18 ± 4% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 27.40 -12.4 14.97 ± 4% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 26.72 -12.1 14.58 ± 4% perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 20.32 -9.2 11.14 ± 4% perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 14.14 -6.1 8.06 ± 5% perf-profile.calltrace.cycles-pp.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 10.47 ± 2% -4.5 6.01 ± 6% perf-profile.calltrace.cycles-pp.__munmap 10.15 ± 2% -4.3 5.83 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 10.12 ± 2% -4.3 5.82 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 6.75 ± 3% -3.8 2.97 ± 4% perf-profile.calltrace.cycles-pp.vma_interval_tree_insert.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 8.41 ± 2% -3.5 4.88 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 8.40 ± 2% -3.5 4.87 ± 6% perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 8.25 ± 2% -3.5 4.80 ± 6% perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.92 -3.3 4.63 ± 6% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 5.65 -3.2 2.47 ± 6% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 5.26 ± 2% -3.0 2.27 ± 6% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 5.82 -2.7 3.10 ± 4% perf-profile.calltrace.cycles-pp.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 5.61 -2.6 3.02 ± 4% perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 5.34 -2.5 2.87 ± 5% perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap.vm_mmap_pgoff 5.31 -2.5 2.85 ± 5% perf-profile.calltrace.cycles-pp.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap 4.55 -2.1 2.43 ± 4% perf-profile.calltrace.cycles-pp.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.__get_unmapped_area 2.66 ± 6% -2.0 0.69 ± 7% perf-profile.calltrace.cycles-pp.__d_lookup.lookup_fast.open_last_lookups.path_openat.do_filp_open 3.52 ± 2% -1.9 1.64 ± 4% perf-profile.calltrace.cycles-pp.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 3.45 ± 2% -1.9 1.59 ± 4% perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff 3.50 -1.6 1.90 ± 4% perf-profile.calltrace.cycles-pp.mas_rev_awalk.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown 4.71 ± 4% -1.6 3.13 ± 5% perf-profile.calltrace.cycles-pp.vfs_open.do_open.path_openat.do_filp_open.do_sys_openat2 3.62 ± 4% -1.5 2.08 ± 6% perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 5.92 -1.4 4.57 ± 4% perf-profile.calltrace.cycles-pp.getdents64 2.28 ± 3% -1.3 0.95 ± 6% perf-profile.calltrace.cycles-pp.__build_id_parse.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap 2.93 -1.2 1.70 ± 5% perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 4.26 ± 4% -1.2 3.03 ± 5% perf-profile.calltrace.cycles-pp.do_dentry_open.vfs_open.do_open.path_openat.do_filp_open 2.82 ± 4% -1.2 1.62 ± 6% perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 5.51 -1.2 4.35 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.getdents64 5.47 -1.1 4.33 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 5.33 -1.1 4.25 ± 5% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 2.37 ± 4% -1.0 1.37 ± 6% perf-profile.calltrace.cycles-pp.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 5.09 -1.0 4.12 ± 5% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 2.22 ± 4% -0.9 1.28 ± 6% perf-profile.calltrace.cycles-pp.unlink_file_vma_batch_process.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap 1.29 ± 4% -0.9 0.37 ± 71% perf-profile.calltrace.cycles-pp.filemap_get_entry.__filemap_get_folio.freader_get_folio.freader_fetch.__build_id_parse 1.32 ± 4% -0.9 0.46 ± 45% perf-profile.calltrace.cycles-pp.__filemap_get_folio.freader_get_folio.freader_fetch.__build_id_parse.perf_event_mmap_event 2.00 ± 3% -0.8 1.20 ± 4% perf-profile.calltrace.cycles-pp.common_startup_64 1.39 ± 4% -0.8 0.61 ± 7% perf-profile.calltrace.cycles-pp.freader_fetch.__build_id_parse.perf_event_mmap_event.perf_event_mmap.__mmap_region 1.36 ± 4% -0.8 0.59 ± 7% perf-profile.calltrace.cycles-pp.freader_get_folio.freader_fetch.__build_id_parse.perf_event_mmap_event.perf_event_mmap 1.70 -0.7 0.96 ± 4% perf-profile.calltrace.cycles-pp.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 2.04 ± 3% -0.7 1.31 ± 5% perf-profile.calltrace.cycles-pp.kernfs_fop_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.60 ± 4% -0.7 0.88 ± 5% perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 1.60 -0.7 0.90 ± 4% perf-profile.calltrace.cycles-pp.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 1.54 ± 4% -0.7 0.85 ± 4% perf-profile.calltrace.cycles-pp.task_work_run.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 3.20 -0.7 2.53 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.92 ± 3% -0.7 0.26 ±100% perf-profile.calltrace.cycles-pp.mas_split.mas_wr_bnode.mas_store_prealloc.__mmap_new_vma.__mmap_region 0.92 ± 3% -0.7 0.26 ±100% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2 1.44 -0.7 0.78 ± 5% perf-profile.calltrace.cycles-pp.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.98 ± 3% -0.6 0.35 ± 70% perf-profile.calltrace.cycles-pp.clear_bhb_loop 1.32 ± 2% -0.6 0.73 ± 3% perf-profile.calltrace.cycles-pp.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.84 ± 3% -0.6 0.27 ±100% perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.99 ± 2% -0.5 0.46 ± 44% perf-profile.calltrace.cycles-pp.mas_wr_bnode.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap 1.15 ± 5% -0.5 0.62 ± 5% perf-profile.calltrace.cycles-pp.__fput.task_work_run.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.15 ± 2% -0.5 0.62 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 1.15 ± 2% -0.5 0.62 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 1.15 ± 2% -0.5 0.62 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 1.56 ± 4% -0.5 1.05 ± 4% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64 1.56 ± 4% -0.5 1.05 ± 4% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64 1.56 ± 4% -0.5 1.04 ± 4% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64 0.95 ± 2% -0.5 0.46 ± 45% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap 1.07 ± 4% -0.5 0.59 ± 7% perf-profile.calltrace.cycles-pp.unmap_region.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 1.09 ± 2% -0.5 0.62 ± 6% perf-profile.calltrace.cycles-pp.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 1.03 ± 2% -0.5 0.56 ± 5% perf-profile.calltrace.cycles-pp.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64 1.22 ± 2% -0.5 0.76 ± 7% perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 1.47 ± 4% -0.5 1.02 ± 4% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 1.06 ± 3% -0.4 0.62 ± 2% perf-profile.calltrace.cycles-pp.kernfs_fop_release.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.01 ± 2% -0.4 0.58 ± 4% perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap 1.36 ± 5% -0.4 0.97 ± 4% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 1.44 ± 2% -0.4 1.05 ± 4% perf-profile.calltrace.cycles-pp.kernfs_fop_open.do_dentry_open.vfs_open.do_open.path_openat 1.36 ± 5% -0.4 0.97 ± 4% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 1.34 ± 5% -0.4 0.95 ± 4% perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 1.34 ± 5% -0.4 0.95 ± 4% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 1.34 ± 4% -0.4 0.95 ± 4% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter 2.21 -0.3 1.95 ± 7% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.77 ± 7% -0.2 0.61 ± 5% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state 0.88 ± 5% -0.1 0.74 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter 0.77 ± 7% +0.4 1.14 ± 14% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.69 ± 6% +0.4 1.10 ± 15% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open 6.98 ± 2% +0.4 7.40 ± 4% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 1.10 ± 2% +0.6 1.67 ± 14% perf-profile.calltrace.cycles-pp.scan_positives.dcache_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64 5.34 +0.6 5.94 ± 8% perf-profile.calltrace.cycles-pp.__fstat64 0.00 +0.8 0.77 ± 18% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.__mmap_new_vma.__mmap_region.do_mmap 0.45 ± 44% +0.8 1.28 ± 18% perf-profile.calltrace.cycles-pp._raw_spin_lock.scan_positives.dcache_readdir.iterate_dir.__x64_sys_getdents64 0.10 ±223% +0.9 0.96 ± 17% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat 0.00 +0.9 0.89 ± 26% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.scan_positives.dcache_readdir.iterate_dir 0.00 +0.9 0.89 ± 16% perf-profile.calltrace.cycles-pp.down_write.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 0.59 ± 6% +1.1 1.70 ± 16% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.step_into_slowpath.link_path_walk.path_openat 0.00 +1.2 1.24 ± 8% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_permission.inode_permission.may_open.do_open 3.64 +1.4 5.09 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__fstat64 0.00 +1.5 1.48 ± 16% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.may_open.do_open 3.51 ± 2% +1.5 5.02 ± 10% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__fstat64 0.78 ± 6% +1.5 2.32 ± 10% perf-profile.calltrace.cycles-pp.up_read.kernfs_dop_revalidate.lookup_fast.link_path_walk.path_openat 0.00 +1.5 1.55 ± 9% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstat 3.02 ± 2% +1.7 4.74 ± 10% perf-profile.calltrace.cycles-pp.__do_sys_newfstat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__fstat64 1.33 ± 6% +1.8 3.09 ± 11% perf-profile.calltrace.cycles-pp.down_read.kernfs_dop_revalidate.lookup_fast.link_path_walk.path_openat 1.37 ± 5% +1.9 3.23 ± 17% perf-profile.calltrace.cycles-pp.may_open.do_open.path_openat.do_filp_open.do_sys_openat2 0.08 ±223% +1.9 1.98 ± 20% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstat 0.92 ± 5% +1.9 2.86 ± 53% perf-profile.calltrace.cycles-pp.__d_lookup.lookup_fast.link_path_walk.path_openat.do_filp_open 0.56 ± 44% +2.0 2.54 ± 59% perf-profile.calltrace.cycles-pp._raw_spin_lock.__d_lookup.lookup_fast.link_path_walk.path_openat 2.06 ± 3% +2.2 4.22 ± 12% perf-profile.calltrace.cycles-pp.vfs_fstat.__do_sys_newfstat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__fstat64 0.79 ± 5% +2.2 3.01 ± 18% perf-profile.calltrace.cycles-pp.inode_permission.may_open.do_open.path_openat.do_filp_open 1.83 ± 3% +2.3 4.10 ± 13% perf-profile.calltrace.cycles-pp.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstat.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.59 ± 6% +2.3 2.87 ± 19% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.may_open.do_open.path_openat 0.78 ± 6% +2.4 3.15 ± 46% perf-profile.calltrace.cycles-pp.dput.step_into_slowpath.link_path_walk.path_openat.do_filp_open 0.94 ± 6% +2.7 3.64 ± 15% perf-profile.calltrace.cycles-pp.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstat.do_syscall_64 1.61 ± 5% +2.9 4.46 ± 34% perf-profile.calltrace.cycles-pp.step_into_slowpath.link_path_walk.path_openat.do_filp_open.do_sys_openat2 4.67 ± 2% +2.9 7.53 ± 3% perf-profile.calltrace.cycles-pp.__open64_nocancel 4.46 ± 2% +3.0 7.41 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__open64_nocancel 4.44 ± 2% +3.0 7.40 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 4.36 ± 2% +3.0 7.33 ± 3% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 4.35 ± 2% +3.0 7.32 ± 3% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 2.49 ± 3% +4.0 6.53 ± 11% perf-profile.calltrace.cycles-pp.kernfs_dop_revalidate.lookup_fast.link_path_walk.path_openat.do_filp_open 5.08 ± 2% +5.3 10.38 ± 11% perf-profile.calltrace.cycles-pp.lookup_fast.link_path_walk.path_openat.do_filp_open.do_sys_openat2 1.50 ± 6% +9.5 11.04 ± 11% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat 1.43 ± 8% +10.5 11.92 ± 4% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat 34.74 +19.9 54.66 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 34.52 +20.0 54.55 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.63 ± 12% +20.5 24.18 ± 6% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open 5.16 ± 5% +20.7 25.89 ± 5% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2 29.99 +21.2 51.20 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 29.91 +21.2 51.15 ± 2% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 31.64 +25.4 57.06 ± 2% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 31.44 +25.5 56.95 ± 2% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 15.29 ± 2% +28.9 44.16 ± 4% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 30.05 -13.7 16.38 ± 4% perf-profile.children.cycles-pp.__mmap 27.86 -12.7 15.20 ± 4% perf-profile.children.cycles-pp.ksys_mmap_pgoff 27.48 -12.5 15.00 ± 4% perf-profile.children.cycles-pp.vm_mmap_pgoff 26.78 -12.2 14.60 ± 4% perf-profile.children.cycles-pp.do_mmap 20.42 -9.2 11.19 ± 4% perf-profile.children.cycles-pp.__mmap_region 14.20 -6.1 8.09 ± 5% perf-profile.children.cycles-pp.__mmap_new_vma 10.59 ± 2% -4.5 6.07 ± 6% perf-profile.children.cycles-pp.__munmap 6.76 ± 3% -3.8 2.97 ± 4% perf-profile.children.cycles-pp.vma_interval_tree_insert 8.42 ± 2% -3.5 4.88 ± 6% perf-profile.children.cycles-pp.__x64_sys_munmap 8.41 ± 2% -3.5 4.88 ± 6% perf-profile.children.cycles-pp.__vm_munmap 8.26 ± 2% -3.5 4.80 ± 6% perf-profile.children.cycles-pp.do_vmi_munmap 8.09 ± 2% -3.4 4.71 ± 6% perf-profile.children.cycles-pp.do_vmi_align_munmap 5.68 -2.8 2.88 ± 6% perf-profile.children.cycles-pp.open_last_lookups 5.84 -2.7 3.11 ± 4% perf-profile.children.cycles-pp.__get_unmapped_area 5.65 -2.6 3.04 ± 4% perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 5.37 -2.5 2.89 ± 5% perf-profile.children.cycles-pp.vm_unmapped_area 5.34 -2.5 2.87 ± 5% perf-profile.children.cycles-pp.unmapped_area_topdown 4.69 -2.2 2.51 ± 4% perf-profile.children.cycles-pp.mas_empty_area_rev 3.54 ± 2% -1.9 1.64 ± 4% perf-profile.children.cycles-pp.perf_event_mmap 3.48 ± 2% -1.9 1.61 ± 4% perf-profile.children.cycles-pp.perf_event_mmap_event 3.64 -1.7 1.96 ± 4% perf-profile.children.cycles-pp.mas_rev_awalk 3.70 ± 3% -1.6 2.13 ± 6% perf-profile.children.cycles-pp.vms_complete_munmap_vmas 6.05 -1.4 4.64 ± 5% perf-profile.children.cycles-pp.getdents64 3.08 -1.4 1.69 ± 3% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 4.81 -1.4 3.44 ± 5% perf-profile.children.cycles-pp.vfs_open 2.29 ± 3% -1.3 0.95 ± 6% perf-profile.children.cycles-pp.__build_id_parse 3.08 -1.3 1.78 ± 5% perf-profile.children.cycles-pp.mas_store_gfp 4.65 -1.3 3.35 ± 5% perf-profile.children.cycles-pp.do_dentry_open 2.87 ± 4% -1.2 1.65 ± 6% perf-profile.children.cycles-pp.vms_clear_ptes 2.47 -1.2 1.31 ± 4% perf-profile.children.cycles-pp.clear_bhb_loop 2.64 ± 3% -1.1 1.53 ± 6% perf-profile.children.cycles-pp.free_pgtables 2.45 ± 2% -1.1 1.35 ± 4% perf-profile.children.cycles-pp.its_return_thunk 5.34 -1.1 4.25 ± 5% perf-profile.children.cycles-pp.__x64_sys_getdents64 2.18 ± 2% -1.0 1.14 ± 5% perf-profile.children.cycles-pp.entry_SYSCALL_64 5.11 -1.0 4.13 ± 5% perf-profile.children.cycles-pp.iterate_dir 2.23 ± 4% -0.9 1.29 ± 6% perf-profile.children.cycles-pp.unlink_file_vma_batch_process 3.66 ± 2% -0.9 2.74 ± 5% perf-profile.children.cycles-pp.__fput 1.71 -0.9 0.81 ± 4% perf-profile.children.cycles-pp.__d_lookup_rcu 3.71 -0.9 2.84 ± 6% perf-profile.children.cycles-pp.__x64_sys_close 1.20 ± 5% -0.9 0.34 ± 8% perf-profile.children.cycles-pp.errseq_sample 2.00 ± 3% -0.8 1.20 ± 4% perf-profile.children.cycles-pp.common_startup_64 2.00 ± 3% -0.8 1.20 ± 4% perf-profile.children.cycles-pp.cpu_startup_entry 2.00 ± 3% -0.8 1.20 ± 4% perf-profile.children.cycles-pp.do_idle 1.73 -0.8 0.94 ± 4% perf-profile.children.cycles-pp.getname_flags 1.40 ± 4% -0.8 0.61 ± 7% perf-profile.children.cycles-pp.freader_fetch 1.75 ± 3% -0.8 0.96 ± 3% perf-profile.children.cycles-pp.__cond_resched 1.80 ± 2% -0.8 1.02 ± 3% perf-profile.children.cycles-pp.kmem_cache_free 1.37 ± 4% -0.8 0.59 ± 7% perf-profile.children.cycles-pp.freader_get_folio 1.89 ± 2% -0.8 1.12 ± 4% perf-profile.children.cycles-pp.mas_alloc_nodes 1.74 -0.8 0.97 ± 4% perf-profile.children.cycles-pp.mas_preallocate 1.64 -0.8 0.88 ± 4% perf-profile.children.cycles-pp.mas_wr_bnode 1.91 ± 3% -0.7 1.17 ± 4% perf-profile.children.cycles-pp.cpuidle_idle_call 2.07 ± 3% -0.7 1.32 ± 5% perf-profile.children.cycles-pp.kernfs_fop_readdir 1.64 -0.7 0.92 ± 4% perf-profile.children.cycles-pp.mas_store_prealloc 1.54 -0.7 0.82 ± 4% perf-profile.children.cycles-pp.mas_find 1.36 ± 4% -0.7 0.65 ± 6% perf-profile.children.cycles-pp.__filemap_get_folio 1.54 ± 2% -0.7 0.84 ± 2% perf-profile.children.cycles-pp.alloc_empty_file 1.33 ± 4% -0.7 0.63 ± 6% perf-profile.children.cycles-pp.filemap_get_entry 1.79 ± 4% -0.7 1.12 ± 4% perf-profile.children.cycles-pp.cpuidle_enter 1.53 -0.7 0.86 ± 5% perf-profile.children.cycles-pp.handle_softirqs 1.78 ± 4% -0.7 1.11 ± 4% perf-profile.children.cycles-pp.cpuidle_enter_state 1.76 ± 4% -0.7 1.10 ± 4% perf-profile.children.cycles-pp.acpi_idle_do_entry 1.76 -0.7 1.10 ± 5% perf-profile.children.cycles-pp.__kmem_cache_alloc_bulk 1.76 ± 4% -0.7 1.10 ± 4% perf-profile.children.cycles-pp.acpi_idle_enter 1.76 ± 4% -0.7 1.10 ± 4% perf-profile.children.cycles-pp.acpi_safe_halt 1.76 ± 4% -0.7 1.10 ± 4% perf-profile.children.cycles-pp.pv_native_safe_halt 1.52 ± 2% -0.6 0.91 ± 5% perf-profile.children.cycles-pp.kmem_cache_prefill_sheaf 1.84 ± 6% -0.6 1.24 ± 5% perf-profile.children.cycles-pp.exit_to_user_mode_loop 1.47 ± 2% -0.6 0.89 ± 5% perf-profile.children.cycles-pp.__prefill_sheaf_pfmemalloc 1.80 ± 7% -0.6 1.22 ± 5% perf-profile.children.cycles-pp.task_work_run 1.16 ± 2% -0.6 0.59 ± 7% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 1.17 -0.6 0.61 ± 3% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 1.21 ± 2% -0.6 0.66 ± 4% perf-profile.children.cycles-pp.strncpy_from_user 1.16 -0.5 0.62 ± 2% perf-profile.children.cycles-pp.ret_from_fork 1.16 -0.5 0.62 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm 1.15 ± 2% -0.5 0.62 ± 2% perf-profile.children.cycles-pp.kthread 1.34 -0.5 0.81 ± 7% perf-profile.children.cycles-pp.vms_gather_munmap_vmas 1.56 ± 4% -0.5 1.05 ± 4% perf-profile.children.cycles-pp.start_secondary 1.14 ± 5% -0.5 0.64 ± 5% perf-profile.children.cycles-pp.mas_spanning_rebalance 1.08 ± 4% -0.5 0.60 ± 6% perf-profile.children.cycles-pp.unmap_region 0.76 ± 4% -0.5 0.28 ± 6% perf-profile.children.cycles-pp.asm_sysvec_call_function_single 1.09 ± 2% -0.5 0.62 ± 6% perf-profile.children.cycles-pp.vm_area_alloc 0.79 ± 5% -0.5 0.32 ± 6% perf-profile.children.cycles-pp.generic_fillattr 1.00 ± 3% -0.5 0.54 ± 5% perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare 1.08 ± 3% -0.4 0.64 ± 2% perf-profile.children.cycles-pp.kernfs_fop_release 1.06 ± 2% -0.4 0.64 ± 5% perf-profile.children.cycles-pp.rcu_core 0.92 ± 2% -0.4 0.48 ± 5% perf-profile.children.cycles-pp.cp_new_stat 0.93 ± 3% -0.4 0.50 ± 5% perf-profile.children.cycles-pp.mas_split 1.05 ± 2% -0.4 0.63 ± 5% perf-profile.children.cycles-pp.rcu_do_batch 0.93 ± 4% -0.4 0.52 ± 5% perf-profile.children.cycles-pp.unmap_vmas 0.98 ± 2% -0.4 0.57 ± 3% perf-profile.children.cycles-pp.kvfree_call_rcu 1.47 ± 2% -0.4 1.07 ± 4% perf-profile.children.cycles-pp.kernfs_fop_open 0.85 ± 2% -0.4 0.44 ± 4% perf-profile.children.cycles-pp.filldir64 0.98 -0.4 0.59 ± 6% perf-profile.children.cycles-pp.mas_wr_node_store 0.86 ± 5% -0.4 0.48 ± 3% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.75 ± 2% -0.4 0.38 ± 3% perf-profile.children.cycles-pp.mas_walk 0.83 ± 3% -0.4 0.47 ± 6% perf-profile.children.cycles-pp.__irq_exit_rcu 0.58 ± 5% -0.4 0.22 ± 12% perf-profile.children.cycles-pp.xas_load 0.84 -0.3 0.50 ± 5% perf-profile.children.cycles-pp.__close_nocancel 0.83 -0.3 0.50 ± 4% perf-profile.children.cycles-pp.___slab_alloc 0.76 ± 6% -0.3 0.43 ± 6% perf-profile.children.cycles-pp.mas_wr_spanning_store 0.72 ± 3% -0.3 0.40 ± 5% perf-profile.children.cycles-pp.smpboot_thread_fn 0.78 ± 3% -0.3 0.46 ± 6% perf-profile.children.cycles-pp.rcu_free_sheaf 0.68 ± 2% -0.3 0.36 ± 6% perf-profile.children.cycles-pp.mas_ascend 0.59 ± 6% -0.3 0.27 ± 3% perf-profile.children.cycles-pp.rb_next 0.73 ± 4% -0.3 0.41 ± 2% perf-profile.children.cycles-pp.stress_mmapfiles_dir 0.51 ± 4% -0.3 0.20 ± 5% perf-profile.children.cycles-pp.sysvec_call_function_single 0.68 ± 6% -0.3 0.37 ± 5% perf-profile.children.cycles-pp.rcu_all_qs 0.70 ± 3% -0.3 0.40 ± 5% perf-profile.children.cycles-pp.run_ksoftirqd 0.67 ± 6% -0.3 0.38 ± 8% perf-profile.children.cycles-pp.vma_interval_tree_remove 0.65 ± 3% -0.3 0.35 ± 7% perf-profile.children.cycles-pp.__check_object_size 0.63 ± 4% -0.3 0.33 ± 5% perf-profile.children.cycles-pp.unmap_page_range 0.68 ± 6% -0.3 0.39 ± 5% perf-profile.children.cycles-pp.mas_topiary_replace 1.44 ± 3% -0.3 1.15 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.44 ± 6% -0.3 0.15 ± 18% perf-profile.children.cycles-pp.rest_init 0.44 ± 6% -0.3 0.15 ± 18% perf-profile.children.cycles-pp.start_kernel 0.44 ± 6% -0.3 0.15 ± 18% perf-profile.children.cycles-pp.x86_64_start_kernel 0.44 ± 6% -0.3 0.15 ± 18% perf-profile.children.cycles-pp.x86_64_start_reservations 0.68 ± 3% -0.3 0.40 ± 6% perf-profile.children.cycles-pp.__kmem_cache_free_bulk 0.44 ± 4% -0.3 0.17 ± 12% perf-profile.children.cycles-pp.xas_start 0.59 ± 2% -0.3 0.32 ± 7% perf-profile.children.cycles-pp.mas_rebalance 0.62 ± 3% -0.3 0.35 ± 5% perf-profile.children.cycles-pp.__kmalloc_cache_noprof 0.60 ± 11% -0.3 0.34 ± 8% perf-profile.children.cycles-pp.__rb_erase_color 0.66 ± 4% -0.3 0.40 ± 3% perf-profile.children.cycles-pp.kernfs_unlink_open_file 0.68 ± 2% -0.3 0.43 ± 6% perf-profile.children.cycles-pp.__slab_free 0.56 ± 4% -0.2 0.32 ± 7% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.58 ± 2% -0.2 0.34 ± 5% perf-profile.children.cycles-pp.mas_next_slot 0.53 ± 4% -0.2 0.28 ± 4% perf-profile.children.cycles-pp.d_path 0.53 ± 5% -0.2 0.29 ± 6% perf-profile.children.cycles-pp.__rb_insert_augmented 0.50 ± 4% -0.2 0.26 ± 4% perf-profile.children.cycles-pp.prepend_path 0.58 ± 3% -0.2 0.34 ± 4% perf-profile.children.cycles-pp.readdir64 0.52 ± 4% -0.2 0.28 ± 8% perf-profile.children.cycles-pp.mas_prev_slot 0.40 ± 6% -0.2 0.17 ± 6% perf-profile.children.cycles-pp.simple_getattr 0.46 ± 3% -0.2 0.24 ± 6% perf-profile.children.cycles-pp._copy_to_user 0.46 ± 2% -0.2 0.25 perf-profile.children.cycles-pp.obj_cgroup_charge_account 0.47 ± 5% -0.2 0.25 ± 7% perf-profile.children.cycles-pp.kfree 0.36 ± 3% -0.2 0.14 ± 7% perf-profile.children.cycles-pp.kernfs_dir_pos 0.37 ± 4% -0.2 0.16 ± 5% perf-profile.children.cycles-pp._nohz_idle_balance 0.47 ± 2% -0.2 0.26 ± 6% perf-profile.children.cycles-pp.mas_data_end 1.03 ± 5% -0.2 0.82 ± 4% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.43 ± 4% -0.2 0.24 ± 4% perf-profile.children.cycles-pp.refill_obj_stock 0.41 ± 5% -0.2 0.22 ± 4% perf-profile.children.cycles-pp.x64_sys_call 0.41 ± 4% -0.2 0.23 ± 8% perf-profile.children.cycles-pp.mas_push_data 0.36 ± 3% -0.2 0.19 ± 5% perf-profile.children.cycles-pp.fput 0.37 ± 3% -0.2 0.20 ± 9% perf-profile.children.cycles-pp.worker_thread 0.48 ± 6% -0.2 0.31 ± 9% perf-profile.children.cycles-pp.touch_atime 0.35 ± 5% -0.2 0.18 ± 7% perf-profile.children.cycles-pp.check_heap_object 0.38 ± 4% -0.2 0.22 ± 5% perf-profile.children.cycles-pp.__account_obj_stock 0.36 ± 4% -0.2 0.20 ± 7% perf-profile.children.cycles-pp.__pi_memcpy 0.35 ± 6% -0.2 0.19 ± 5% perf-profile.children.cycles-pp.seq_open 0.35 ± 3% -0.2 0.19 ± 4% perf-profile.children.cycles-pp.alloc_fd 0.34 ± 4% -0.2 0.18 ± 6% perf-profile.children.cycles-pp.zap_pmd_range 0.36 ± 6% -0.2 0.20 ± 10% perf-profile.children.cycles-pp.path_init 0.33 ± 5% -0.2 0.18 ± 5% perf-profile.children.cycles-pp.init_file 0.32 ± 7% -0.2 0.17 ± 8% perf-profile.children.cycles-pp.prepend_copy 0.33 ± 5% -0.2 0.18 ± 5% perf-profile.children.cycles-pp.mab_mas_cp 0.30 ± 6% -0.1 0.15 ± 3% perf-profile.children.cycles-pp.strlen 0.32 ± 8% -0.1 0.18 ± 7% perf-profile.children.cycles-pp.stress_time_now_timespec 0.32 ± 3% -0.1 0.17 ± 6% perf-profile.children.cycles-pp.seq_release 0.29 ± 8% -0.1 0.15 ± 9% perf-profile.children.cycles-pp.copy_from_kernel_nofault 0.37 ± 9% -0.1 0.23 ± 3% perf-profile.children.cycles-pp.strcmp 0.33 ± 11% -0.1 0.19 ± 7% perf-profile.children.cycles-pp.vma_interval_tree_augment_rotate 0.30 ± 6% -0.1 0.16 ± 6% perf-profile.children.cycles-pp.mas_wr_store_type 0.43 ± 3% -0.1 0.29 ± 6% perf-profile.children.cycles-pp.__vma_start_write 0.42 ± 4% -0.1 0.28 ± 22% perf-profile.children.cycles-pp.eventfs_iterate 0.28 ± 6% -0.1 0.14 ± 5% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.29 ± 4% -0.1 0.16 ± 6% perf-profile.children.cycles-pp.perf_iterate_sb 0.34 ± 6% -0.1 0.21 ± 8% perf-profile.children.cycles-pp.__legitimize_mnt 0.33 ± 5% -0.1 0.20 ± 5% perf-profile.children.cycles-pp.allocate_slab 0.39 ± 4% -0.1 0.26 ± 9% perf-profile.children.cycles-pp.generic_file_mmap_prepare 0.22 ± 4% -0.1 0.09 ± 9% perf-profile.children.cycles-pp.sched_balance_rq 0.29 ± 8% -0.1 0.16 ± 4% perf-profile.children.cycles-pp.file_close_fd 0.19 ± 7% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.__schedule 0.18 ± 9% -0.1 0.06 ± 15% perf-profile.children.cycles-pp.ksys_read 0.18 ± 9% -0.1 0.06 ± 15% perf-profile.children.cycles-pp.vfs_read 0.25 ± 7% -0.1 0.13 ± 6% perf-profile.children.cycles-pp.zap_pte_range 0.26 ± 4% -0.1 0.14 ± 6% perf-profile.children.cycles-pp.build_detached_freelist 0.26 ± 7% -0.1 0.15 ± 4% perf-profile.children.cycles-pp.remove_vma 0.24 ± 9% -0.1 0.12 ± 8% perf-profile.children.cycles-pp.security_file_post_open 0.28 ± 7% -0.1 0.16 ± 6% perf-profile.children.cycles-pp.down_write_killable 0.19 -0.1 0.08 ± 4% perf-profile.children.cycles-pp.sched_balance_domains 0.23 ± 10% -0.1 0.12 ± 8% perf-profile.children.cycles-pp.mas_mab_cp 0.24 ± 9% -0.1 0.13 ± 10% perf-profile.children.cycles-pp.nd_jump_root 0.28 ± 6% -0.1 0.17 ± 8% perf-profile.children.cycles-pp.mas_update_gap 0.15 ± 4% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.seq_read_iter 0.23 ± 3% -0.1 0.12 ± 10% perf-profile.children.cycles-pp.perf_event_mmap_output 0.14 ± 9% -0.1 0.03 ± 70% perf-profile.children.cycles-pp.schedule 0.24 ± 5% -0.1 0.14 ± 8% perf-profile.children.cycles-pp.__kfree_rcu_sheaf 0.25 ± 3% -0.1 0.14 ± 7% perf-profile.children.cycles-pp.mas_leaf_max_gap 0.32 ± 5% -0.1 0.22 ± 8% perf-profile.children.cycles-pp.filp_flush 0.23 ± 9% -0.1 0.14 ± 10% perf-profile.children.cycles-pp.get_partial_node 0.20 ± 10% -0.1 0.10 ± 5% perf-profile.children.cycles-pp.brk 0.33 ± 6% -0.1 0.24 ± 9% perf-profile.children.cycles-pp.__pcs_replace_empty_main 0.19 ± 12% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.mas_prev 0.19 ± 5% -0.1 0.10 ± 8% perf-profile.children.cycles-pp.fget 0.16 ± 14% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.asm_exc_page_fault 0.16 ± 6% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.sched_balance_find_src_group 0.15 ± 6% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.update_sd_lb_stats 0.18 ± 11% -0.1 0.09 ± 7% perf-profile.children.cycles-pp.__do_sys_brk 0.24 ± 6% -0.1 0.15 ± 7% perf-profile.children.cycles-pp.shuffle_freelist 0.20 ± 4% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.get_state_synchronize_rcu_full 0.18 ± 10% -0.1 0.10 ± 11% perf-profile.children.cycles-pp.ima_file_check 0.17 ± 7% -0.1 0.09 ± 7% perf-profile.children.cycles-pp.tlb_finish_mmu 0.11 ± 14% -0.1 0.03 ±100% perf-profile.children.cycles-pp.__handle_mm_fault 0.25 ± 5% -0.1 0.17 ± 12% perf-profile.children.cycles-pp.process_one_work 0.18 ± 10% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.__virt_addr_valid 0.23 ± 11% -0.1 0.15 ± 9% perf-profile.children.cycles-pp.security_inode_permission 0.17 ± 7% -0.1 0.09 ± 7% perf-profile.children.cycles-pp.map_id_range_up 0.14 ± 14% -0.1 0.06 ± 13% perf-profile.children.cycles-pp.exc_page_fault 0.17 ± 5% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.verify_dirent_name 0.13 ± 14% -0.1 0.06 ± 13% perf-profile.children.cycles-pp.do_user_addr_fault 0.18 ± 3% -0.1 0.10 ± 9% perf-profile.children.cycles-pp.kernfs_refresh_inode 0.15 ± 14% -0.1 0.08 ± 7% perf-profile.children.cycles-pp.stress_time_now 0.12 ± 10% -0.1 0.05 ± 7% perf-profile.children.cycles-pp.update_sg_lb_stats 0.14 ± 8% -0.1 0.07 ± 9% perf-profile.children.cycles-pp.current_time 0.16 ± 10% -0.1 0.08 ± 8% perf-profile.children.cycles-pp.security_mmap_file 0.16 ± 7% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.fput_close_sync 0.15 ± 9% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.memset_orig 0.15 ± 8% -0.1 0.08 ± 11% perf-profile.children.cycles-pp.tlb_gather_mmu 0.15 ± 4% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.mas_destroy 0.15 ± 11% -0.1 0.08 ± 13% perf-profile.children.cycles-pp.set_root 0.16 ± 6% -0.1 0.09 ± 9% perf-profile.children.cycles-pp.dnotify_flush 0.14 ± 6% -0.1 0.07 ± 14% perf-profile.children.cycles-pp.locks_remove_file 0.12 ± 14% -0.1 0.05 ± 8% perf-profile.children.cycles-pp.handle_mm_fault 0.16 ± 12% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.__check_heap_object 0.15 ± 7% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.21 ± 6% -0.1 0.14 ± 8% perf-profile.children.cycles-pp.atime_needs_update 0.13 ± 7% -0.1 0.07 ± 10% perf-profile.children.cycles-pp.fdget_pos 0.13 ± 9% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.mast_fill_bnode 0.14 ± 7% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.memchr 0.13 ± 5% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.security_file_release 0.14 ± 6% -0.1 0.08 ± 13% perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare 0.10 ± 3% -0.1 0.04 ± 44% perf-profile.children.cycles-pp.proc_pid_readdir 0.13 ± 10% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.__pte_offset_map_lock 0.08 ± 11% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.__d_alloc 0.13 ± 8% -0.1 0.07 ± 8% perf-profile.children.cycles-pp.alloc_pages_mpol 0.19 ± 11% -0.1 0.14 ± 12% perf-profile.children.cycles-pp.generic_update_time 0.12 ± 7% -0.1 0.07 ± 11% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 0.10 ± 9% -0.1 0.04 ± 44% perf-profile.children.cycles-pp.build_open_flags 0.13 ± 8% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 0.14 ± 6% -0.1 0.09 ± 12% perf-profile.children.cycles-pp.kfree_rcu_work 0.11 ± 9% -0.1 0.06 ± 13% perf-profile.children.cycles-pp.__perf_event_header__init_id 0.08 ± 10% -0.1 0.03 ±100% perf-profile.children.cycles-pp.setup_object 0.10 ± 6% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.fsnotify_find_mark 0.08 ± 13% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.make_vfsuid 0.17 ± 2% -0.1 0.12 ± 12% perf-profile.children.cycles-pp.kvfree_rcu_bulk 0.14 ± 10% -0.1 0.09 ± 10% perf-profile.children.cycles-pp.vma_merge_new_range 0.08 ± 16% -0.1 0.03 ± 70% perf-profile.children.cycles-pp.fdget_raw 0.09 ± 12% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.__fput_deferred 0.08 ± 6% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.stress_mmapfiles_child 0.17 ± 3% -0.1 0.12 ± 13% perf-profile.children.cycles-pp.kmem_cache_free_bulk 0.10 ± 9% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.mas_prev_setup 0.12 ± 6% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.__fsnotify_parent 0.10 ± 9% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.mas_next_sibling 0.12 ± 10% -0.0 0.07 ± 7% perf-profile.children.cycles-pp.get_unused_fd_flags 0.11 ± 11% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.security_inode_getattr 0.09 ± 9% -0.0 0.04 ± 44% perf-profile.children.cycles-pp.is_vmalloc_addr 0.18 ± 7% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.d_alloc_cursor 0.10 ± 7% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.from_kuid_munged 0.11 ± 10% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.get_page_from_freelist 0.07 ± 12% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof 0.09 ± 7% -0.0 0.05 ± 45% perf-profile.children.cycles-pp.unlink_anon_vmas 0.17 ± 8% -0.0 0.13 ± 14% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.18 ± 7% -0.0 0.14 ± 5% perf-profile.children.cycles-pp.dcache_dir_open 0.11 ± 9% -0.0 0.07 ± 16% perf-profile.children.cycles-pp.clock_gettime 0.10 ± 6% -0.0 0.06 ± 13% perf-profile.children.cycles-pp.from_kgid_munged 0.09 ± 10% -0.0 0.04 ± 47% perf-profile.children.cycles-pp.mntput 0.13 ± 10% -0.0 0.09 ± 8% perf-profile.children.cycles-pp.unmap_single_vma 0.10 ± 5% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.d_lookup 0.08 ± 9% -0.0 0.05 ± 45% perf-profile.children.cycles-pp.proc_sys_fill_cache 0.10 ± 10% +0.0 0.14 ± 8% perf-profile.children.cycles-pp.pick_link 0.12 ± 7% +0.1 0.17 ± 12% perf-profile.children.cycles-pp.event_hist_open 0.02 ±141% +0.1 0.11 ± 12% perf-profile.children.cycles-pp.__page_get_link 0.00 +0.1 0.09 ± 16% perf-profile.children.cycles-pp.tracing_single_release_file_tr 0.02 ±142% +0.1 0.11 ± 8% perf-profile.children.cycles-pp.page_get_link 0.07 ± 22% +0.1 0.16 ± 11% perf-profile.children.cycles-pp.mutex_spin_on_owner 0.21 ± 35% +0.1 0.34 ± 12% perf-profile.children.cycles-pp.vma_migratable 0.25 ± 36% +0.1 0.38 ± 12% perf-profile.children.cycles-pp.task_numa_work 0.04 ± 71% +0.1 0.18 ± 13% perf-profile.children.cycles-pp.tracing_release_file_tr 0.38 ± 6% +0.2 0.54 ± 12% perf-profile.children.cycles-pp.lockref_get 0.00 +0.2 0.17 ± 34% perf-profile.children.cycles-pp.proc_sys_permission 0.17 ± 11% +0.2 0.36 ± 34% perf-profile.children.cycles-pp.mon_text_release 0.16 ± 8% +0.2 0.39 ± 12% perf-profile.children.cycles-pp.tracing_open_file_tr 0.09 ± 9% +0.3 0.36 ± 34% perf-profile.children.cycles-pp.full_proxy_open_regular 0.04 ± 45% +0.3 0.33 ± 37% perf-profile.children.cycles-pp.mon_text_open 0.08 ± 14% +0.3 0.41 ± 18% perf-profile.children.cycles-pp.tracing_check_open_get_tr 0.34 ± 8% +0.3 0.68 ± 21% perf-profile.children.cycles-pp.__traverse_mounts 7.03 ± 2% +0.4 7.42 ± 4% perf-profile.children.cycles-pp.do_open 1.08 ± 5% +0.4 1.49 ± 13% perf-profile.children.cycles-pp.try_to_unlazy 1.04 ± 5% +0.4 1.47 ± 13% perf-profile.children.cycles-pp.__legitimize_path 0.16 ± 29% +0.5 0.64 ± 12% perf-profile.children.cycles-pp.set_nlink 0.74 ± 5% +0.5 1.24 ± 12% perf-profile.children.cycles-pp.down_write 0.00 +0.6 0.56 ± 16% perf-profile.children.cycles-pp.rwsem_spin_on_owner 1.11 ± 2% +0.6 1.67 ± 14% perf-profile.children.cycles-pp.scan_positives 0.68 ± 8% +0.6 1.27 ± 14% perf-profile.children.cycles-pp.lockref_get_not_dead 0.00 +0.8 0.81 ± 17% perf-profile.children.cycles-pp.rwsem_down_write_slowpath 0.08 ± 17% +1.2 1.32 ± 15% perf-profile.children.cycles-pp.__mutex_lock 0.00 +1.3 1.25 ± 14% perf-profile.children.cycles-pp.osq_lock 2.22 ± 3% +1.4 3.66 ± 14% perf-profile.children.cycles-pp.lockref_put_return 3.04 +1.7 4.75 ± 10% perf-profile.children.cycles-pp.__do_sys_newfstat 1.63 ± 4% +2.0 3.61 ± 11% perf-profile.children.cycles-pp.may_open 2.08 ± 3% +2.2 4.24 ± 12% perf-profile.children.cycles-pp.vfs_fstat 1.84 ± 3% +2.3 4.10 ± 13% perf-profile.children.cycles-pp.vfs_getattr_nosec 3.02 ± 3% +2.6 5.62 ± 23% perf-profile.children.cycles-pp.dput 10.45 +2.6 13.07 ± 9% perf-profile.children.cycles-pp.lookup_fast 2.16 ± 4% +2.7 4.81 ± 29% perf-profile.children.cycles-pp.step_into_slowpath 0.96 ± 6% +2.7 3.65 ± 14% perf-profile.children.cycles-pp.kernfs_iop_getattr 4.75 ± 2% +2.8 7.57 ± 2% perf-profile.children.cycles-pp.__open64_nocancel 4.04 ± 3% +3.9 7.93 ± 10% perf-profile.children.cycles-pp.kernfs_dop_revalidate 0.10 ± 7% +4.1 4.22 ± 65% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 2.46 ± 2% +4.1 6.60 ± 42% perf-profile.children.cycles-pp._raw_spin_lock 87.97 +5.5 93.44 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 87.47 +5.7 93.16 perf-profile.children.cycles-pp.do_syscall_64 4.45 ± 5% +14.8 19.20 ± 8% perf-profile.children.cycles-pp.down_read 3.42 ± 6% +14.8 18.24 ± 3% perf-profile.children.cycles-pp.up_read 4.71 ± 5% +22.7 27.44 ± 7% perf-profile.children.cycles-pp.kernfs_iop_permission 6.17 ± 4% +23.1 29.30 ± 6% perf-profile.children.cycles-pp.inode_permission 34.38 +24.2 58.54 ± 2% perf-profile.children.cycles-pp.__x64_sys_openat 34.32 +24.2 58.50 ± 2% perf-profile.children.cycles-pp.do_sys_openat2 31.66 +25.4 57.07 ± 2% perf-profile.children.cycles-pp.do_filp_open 31.53 +25.5 57.00 ± 2% perf-profile.children.cycles-pp.path_openat 15.50 ± 2% +28.8 44.28 ± 4% perf-profile.children.cycles-pp.link_path_walk 6.71 ± 3% -3.8 2.95 ± 4% perf-profile.self.cycles-pp.vma_interval_tree_insert 2.77 -1.9 0.82 ± 14% perf-profile.self.cycles-pp.__d_lookup 3.14 -1.5 1.68 ± 4% perf-profile.self.cycles-pp.mas_rev_awalk 2.44 -1.1 1.29 ± 4% perf-profile.self.cycles-pp.clear_bhb_loop 1.68 -0.9 0.80 ± 5% perf-profile.self.cycles-pp.__d_lookup_rcu 1.17 ± 5% -0.8 0.33 ± 8% perf-profile.self.cycles-pp.errseq_sample 1.25 ± 3% -0.6 0.69 ± 5% perf-profile.self.cycles-pp.its_return_thunk 1.14 ± 2% -0.6 0.58 ± 7% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 1.11 -0.5 0.58 ± 3% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.82 ± 3% -0.5 0.32 ± 6% perf-profile.self.cycles-pp.__build_id_parse 0.90 ± 2% -0.5 0.40 ± 4% perf-profile.self.cycles-pp.do_dentry_open 1.35 ± 2% -0.5 0.86 ± 6% perf-profile.self.cycles-pp.__kmem_cache_alloc_bulk 1.04 ± 2% -0.5 0.57 ± 4% perf-profile.self.cycles-pp.__fput 0.95 ± 3% -0.4 0.50 ± 4% perf-profile.self.cycles-pp.arch_exit_to_user_mode_prepare 0.67 ± 5% -0.4 0.24 ± 7% perf-profile.self.cycles-pp.may_open 0.72 ± 5% -0.4 0.29 ± 8% perf-profile.self.cycles-pp.generic_fillattr 0.88 ± 4% -0.4 0.46 ± 5% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.87 ± 3% -0.4 0.46 ± 4% perf-profile.self.cycles-pp.do_syscall_64 0.81 ± 6% -0.4 0.40 ± 17% perf-profile.self.cycles-pp.kernfs_dop_revalidate 0.84 ± 4% -0.4 0.46 ± 3% perf-profile.self.cycles-pp.__cond_resched 0.80 ± 3% -0.4 0.43 ± 6% perf-profile.self.cycles-pp.__mmap_region 0.74 ± 2% -0.4 0.37 ± 2% perf-profile.self.cycles-pp.mas_walk 0.76 ± 5% -0.4 0.41 ± 4% perf-profile.self.cycles-pp.filemap_get_entry 0.50 ± 5% -0.3 0.17 ± 4% perf-profile.self.cycles-pp.dcache_readdir 2.20 ± 3% -0.3 1.86 ± 9% perf-profile.self.cycles-pp.link_path_walk 0.73 ± 3% -0.3 0.40 ± 5% perf-profile.self.cycles-pp.kmem_cache_free 0.67 -0.3 0.35 ± 5% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.68 ± 3% -0.3 0.36 ± 3% perf-profile.self.cycles-pp.filldir64 0.58 ± 6% -0.3 0.27 ± 3% perf-profile.self.cycles-pp.rb_next 0.65 ± 2% -0.3 0.34 ± 6% perf-profile.self.cycles-pp.mas_ascend 0.61 ± 2% -0.3 0.32 ± 4% perf-profile.self.cycles-pp.__mmap 0.65 ± 6% -0.3 0.37 ± 9% perf-profile.self.cycles-pp.vma_interval_tree_remove 0.62 ± 4% -0.3 0.34 ± 4% perf-profile.self.cycles-pp.stress_mmapfiles_dir 0.67 ± 4% -0.3 0.40 ± 5% perf-profile.self.cycles-pp.pv_native_safe_halt 0.43 ± 4% -0.3 0.16 ± 13% perf-profile.self.cycles-pp.xas_start 0.57 ± 4% -0.3 0.31 ± 5% perf-profile.self.cycles-pp.strncpy_from_user 0.67 ± 2% -0.3 0.41 ± 5% perf-profile.self.cycles-pp.__slab_free 0.66 ± 4% -0.3 0.41 ± 4% perf-profile.self.cycles-pp.down_write 0.55 ± 2% -0.2 0.30 ± 6% perf-profile.self.cycles-pp.mas_empty_area_rev 0.53 ± 5% -0.2 0.28 ± 7% perf-profile.self.cycles-pp.__rb_insert_augmented 0.48 ± 3% -0.2 0.24 ± 6% perf-profile.self.cycles-pp.scan_positives 0.51 ± 4% -0.2 0.28 ± 5% perf-profile.self.cycles-pp.mas_preallocate 0.50 ± 4% -0.2 0.27 ± 5% perf-profile.self.cycles-pp.__fstat64 0.51 ± 6% -0.2 0.28 ± 5% perf-profile.self.cycles-pp.rcu_all_qs 0.56 ± 2% -0.2 0.33 ± 4% perf-profile.self.cycles-pp.readdir64 0.54 ± 12% -0.2 0.31 ± 8% perf-profile.self.cycles-pp.__rb_erase_color 0.51 ± 3% -0.2 0.29 ± 5% perf-profile.self.cycles-pp.mas_next_slot 0.35 ± 4% -0.2 0.14 ± 5% perf-profile.self.cycles-pp.kernfs_dir_pos 0.45 ± 4% -0.2 0.24 ± 6% perf-profile.self.cycles-pp._copy_to_user 0.46 ± 6% -0.2 0.25 ± 5% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.51 ± 6% -0.2 0.31 ± 13% perf-profile.self.cycles-pp.step_into_slowpath 0.44 ± 4% -0.2 0.24 ± 8% perf-profile.self.cycles-pp.mas_prev_slot 0.45 ± 7% -0.2 0.26 ± 4% perf-profile.self.cycles-pp.mas_topiary_replace 0.42 ± 2% -0.2 0.24 ± 4% perf-profile.self.cycles-pp.mas_data_end 0.41 ± 5% -0.2 0.23 ± 7% perf-profile.self.cycles-pp.do_mmap 0.41 ± 5% -0.2 0.24 ± 4% perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.38 ± 6% -0.2 0.21 ± 6% perf-profile.self.cycles-pp.kfree 0.44 ± 5% -0.2 0.28 ± 7% perf-profile.self.cycles-pp.kernfs_fop_readdir 0.34 ± 4% -0.2 0.18 ± 7% perf-profile.self.cycles-pp.__pi_memcpy 0.31 ± 3% -0.1 0.16 ± 5% perf-profile.self.cycles-pp.fput 0.38 ± 4% -0.1 0.23 ± 7% perf-profile.self.cycles-pp.lookup_fast 0.36 ± 6% -0.1 0.21 ± 4% perf-profile.self.cycles-pp.kvfree_call_rcu 0.33 ± 5% -0.1 0.19 ± 2% perf-profile.self.cycles-pp.x64_sys_call 0.29 ± 6% -0.1 0.15 ± 4% perf-profile.self.cycles-pp.strlen 0.30 ± 4% -0.1 0.16 ± 8% perf-profile.self.cycles-pp.mas_find 0.30 ± 5% -0.1 0.16 ± 2% perf-profile.self.cycles-pp.__account_obj_stock 0.32 ± 11% -0.1 0.18 ± 8% perf-profile.self.cycles-pp.vma_interval_tree_augment_rotate 0.35 ± 11% -0.1 0.22 ± 3% perf-profile.self.cycles-pp.strcmp 0.28 ± 7% -0.1 0.15 ± 7% perf-profile.self.cycles-pp.stress_time_now_timespec 0.28 ± 3% -0.1 0.14 ± 8% perf-profile.self.cycles-pp.vfs_getattr_nosec 0.29 ± 6% -0.1 0.16 ± 6% perf-profile.self.cycles-pp.mas_wr_store_type 0.30 ± 6% -0.1 0.17 ± 9% perf-profile.self.cycles-pp.mas_spanning_rebalance 0.28 ± 5% -0.1 0.14 ± 5% perf-profile.self.cycles-pp.syscall_return_via_sysret 0.32 ± 4% -0.1 0.19 ± 13% perf-profile.self.cycles-pp.vms_gather_munmap_vmas 0.40 ± 3% -0.1 0.28 ± 7% perf-profile.self.cycles-pp.__vma_start_write 0.27 ± 9% -0.1 0.14 ± 5% perf-profile.self.cycles-pp.__kmalloc_cache_noprof 0.26 ± 5% -0.1 0.14 ± 8% perf-profile.self.cycles-pp.mab_mas_cp 0.25 ± 6% -0.1 0.13 ± 9% perf-profile.self.cycles-pp.__mmap_new_vma 0.31 ± 5% -0.1 0.20 ± 8% perf-profile.self.cycles-pp.__legitimize_mnt 0.29 ± 3% -0.1 0.17 ± 7% perf-profile.self.cycles-pp.mas_wr_node_store 0.25 ± 4% -0.1 0.14 ± 5% perf-profile.self.cycles-pp.build_detached_freelist 0.28 ± 3% -0.1 0.17 ± 6% perf-profile.self.cycles-pp.dput 0.25 ± 5% -0.1 0.14 ± 5% perf-profile.self.cycles-pp.init_file 0.23 ± 3% -0.1 0.12 ± 8% perf-profile.self.cycles-pp.cp_new_stat 0.22 ± 6% -0.1 0.11 ± 10% perf-profile.self.cycles-pp.obj_cgroup_charge_account 0.22 ± 7% -0.1 0.12 ± 4% perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown 0.26 ± 6% -0.1 0.15 ± 8% perf-profile.self.cycles-pp.unmapped_area_topdown 0.26 ± 6% -0.1 0.15 ± 7% perf-profile.self.cycles-pp.___slab_alloc 0.23 ± 6% -0.1 0.12 ± 5% perf-profile.self.cycles-pp.refill_obj_stock 0.20 ± 10% -0.1 0.10 ± 10% perf-profile.self.cycles-pp.copy_from_kernel_nofault 0.21 ± 6% -0.1 0.11 ± 9% perf-profile.self.cycles-pp.mas_store_gfp 0.24 ± 3% -0.1 0.14 ± 8% perf-profile.self.cycles-pp.mas_leaf_max_gap 0.20 ± 8% -0.1 0.11 ± 6% perf-profile.self.cycles-pp.unmap_page_range 0.18 ± 5% -0.1 0.09 ± 7% perf-profile.self.cycles-pp.fget 0.20 ± 4% -0.1 0.11 ± 4% perf-profile.self.cycles-pp.get_state_synchronize_rcu_full 0.22 ± 7% -0.1 0.14 ± 7% perf-profile.self.cycles-pp.unlink_file_vma_batch_process 0.17 ± 13% -0.1 0.09 ± 8% perf-profile.self.cycles-pp.mas_mab_cp 0.19 ± 10% -0.1 0.11 ± 7% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.16 ± 8% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.do_open 0.16 ± 7% -0.1 0.08 ± 7% perf-profile.self.cycles-pp.alloc_fd 0.13 ± 11% -0.1 0.06 ± 13% perf-profile.self.cycles-pp.xas_load 0.15 ± 6% -0.1 0.08 ± 7% perf-profile.self.cycles-pp.getname_flags 0.16 ± 6% -0.1 0.09 ± 5% perf-profile.self.cycles-pp.__kfree_rcu_sheaf 0.16 ± 8% -0.1 0.08 ± 8% perf-profile.self.cycles-pp.path_openat 0.18 ± 4% -0.1 0.11 ± 9% perf-profile.self.cycles-pp.down_write_killable 0.15 ± 7% -0.1 0.08 ± 9% perf-profile.self.cycles-pp.mas_split 0.19 ± 15% -0.1 0.12 ± 8% perf-profile.self.cycles-pp.security_inode_permission 0.15 ± 8% -0.1 0.08 perf-profile.self.cycles-pp.prepend_path 0.14 ± 5% -0.1 0.08 ± 9% perf-profile.self.cycles-pp.tlb_finish_mmu 0.16 ± 10% -0.1 0.09 ± 10% perf-profile.self.cycles-pp.fput_close_sync 0.21 ± 6% -0.1 0.14 ± 7% perf-profile.self.cycles-pp.d_same_name 0.15 ± 8% -0.1 0.08 ± 8% perf-profile.self.cycles-pp.map_id_range_up 0.13 ± 12% -0.1 0.07 ± 11% perf-profile.self.cycles-pp.check_heap_object 0.14 ± 8% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.memset_orig 0.18 ± 5% -0.1 0.11 ± 7% perf-profile.self.cycles-pp.shuffle_freelist 0.14 ± 10% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.tlb_gather_mmu 0.09 ± 11% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.build_open_flags 0.14 ± 7% -0.1 0.07 ± 6% perf-profile.self.cycles-pp.getdents64 0.14 ± 10% -0.1 0.08 ± 10% perf-profile.self.cycles-pp.set_root 0.16 ± 7% -0.1 0.09 ± 9% perf-profile.self.cycles-pp.vm_mmap_pgoff 0.15 ± 12% -0.1 0.09 ± 7% perf-profile.self.cycles-pp.__check_heap_object 0.16 ± 10% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.get_partial_node 0.16 ± 4% -0.1 0.09 ± 11% perf-profile.self.cycles-pp.kernfs_refresh_inode 0.12 ± 7% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.locks_remove_file 0.12 ± 8% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.open_last_lookups 0.24 ± 5% -0.1 0.17 ± 17% perf-profile.self.cycles-pp.kernfs_iop_permission 0.14 ± 6% -0.1 0.08 ± 13% perf-profile.self.cycles-pp.__rcu_free_sheaf_prepare 0.13 ± 7% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.memchr 0.12 ± 9% -0.1 0.06 ± 9% perf-profile.self.cycles-pp.__munmap 0.13 ± 11% -0.1 0.07 ± 11% perf-profile.self.cycles-pp.vm_area_alloc 0.12 ± 10% -0.1 0.07 ± 14% perf-profile.self.cycles-pp.do_filp_open 0.08 ± 14% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.ksys_mmap_pgoff 0.12 ± 16% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.mas_prev 0.09 ± 14% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.zap_pte_range 0.12 ± 5% -0.1 0.06 ± 7% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.11 ± 10% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.get_unused_fd_flags 0.08 ± 6% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.unlink_anon_vmas 0.11 ± 12% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.security_inode_getattr 0.11 ± 12% -0.1 0.06 ± 13% perf-profile.self.cycles-pp.__virt_addr_valid 0.12 ± 6% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.__fsnotify_parent 0.11 ± 13% -0.0 0.06 ± 16% perf-profile.self.cycles-pp.do_vmi_align_munmap 0.11 ± 11% -0.0 0.06 ± 13% perf-profile.self.cycles-pp.__check_object_size 0.11 ± 14% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.unmap_vmas 0.10 ± 20% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.stress_time_now 0.11 ± 11% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.path_init 0.10 ± 10% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.mas_next_sibling 0.08 ± 16% -0.0 0.04 ± 72% perf-profile.self.cycles-pp.clock_gettime 0.09 ± 7% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.do_sys_openat2 0.10 ± 7% -0.0 0.06 ± 8% perf-profile.self.cycles-pp.mas_store_prealloc 0.11 ± 6% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.free_pgtables 0.12 ± 10% -0.0 0.08 ± 9% perf-profile.self.cycles-pp.unmap_single_vma 0.08 ± 8% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.__legitimize_path 0.09 ± 7% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.alloc_empty_file 0.08 ± 8% -0.0 0.04 ± 45% perf-profile.self.cycles-pp.mas_update_gap 0.11 ± 14% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.kernfs_fop_open 0.10 ± 12% -0.0 0.07 ± 8% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.07 ± 22% +0.1 0.16 ± 11% perf-profile.self.cycles-pp.mutex_spin_on_owner 0.21 ± 34% +0.1 0.34 ± 12% perf-profile.self.cycles-pp.vma_migratable 0.49 ± 5% +0.2 0.66 ± 11% perf-profile.self.cycles-pp.mutex_lock 1.02 ± 4% +0.5 1.47 ± 10% perf-profile.self.cycles-pp.inode_permission 0.15 ± 32% +0.5 0.62 ± 12% perf-profile.self.cycles-pp.set_nlink 0.00 +0.6 0.55 ± 16% perf-profile.self.cycles-pp.rwsem_spin_on_owner 0.66 ± 9% +0.6 1.24 ± 15% perf-profile.self.cycles-pp.lockref_get_not_dead 0.00 +1.2 1.24 ± 14% perf-profile.self.cycles-pp.osq_lock 2.17 ± 3% +1.5 3.63 ± 14% perf-profile.self.cycles-pp.lockref_put_return 0.10 ± 5% +4.1 4.20 ± 65% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 3.36 ± 6% +14.8 18.16 ± 3% perf-profile.self.cycles-pp.up_read 3.94 ± 5% +14.9 18.82 ± 9% perf-profile.self.cycles-pp.down_read 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