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 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 6.0% regression of will-it-scale.per_process_ops on: commit: 280b792cac62ddadca2935766ca870b438c86323 ("maple_tree: use maple copy node for mas_wr_split()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 5d6919055dec134de3c40167a490f33c74c12581] [still regression on linux-next/master e98d21c170b01ddef366f023bbfcf6b31509fa83] testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz (Ivy Bridge-EP) with 64G memory parameters: nr_task: 100% mode: process test: mmap2 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/202605131554.92e7df6b-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260513/202605131554.92e7df6b-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/lkp-ivb-2ep2/mmap2/will-it-scale commit: 11e7f22f5e ("maple_tree: add cp_converged() helper") 280b792cac ("maple_tree: use maple copy node for mas_wr_split()") 11e7f22f5e85058b 280b792cac62ddadca2935766ca ---------------- --------------------------- %stddev %change %stddev \ | \ 6885401 -6.0% 6472359 will-it-scale.48.processes 143445 -6.0% 134840 will-it-scale.per_process_ops 6885401 -6.0% 6472359 will-it-scale.workload 14.44 -1.0 13.42 mpstat.cpu.all.usr% 17.55 -4.9% 16.69 turbostat.RAMWatt 4812 ± 4% -11.4% 4266 ± 4% vmstat.system.cs 17354 ± 3% -9.2% 15750 ± 3% sched_debug.cpu.nr_switches.avg 10034 ± 11% -25.7% 7451 ± 16% sched_debug.cpu.nr_switches.min 674817 -2.6% 657530 proc-vmstat.nr_active_anon 1446441 -1.2% 1429254 proc-vmstat.nr_file_pages 505185 -3.4% 487999 proc-vmstat.nr_shmem 50084 -3.1% 48542 proc-vmstat.nr_slab_unreclaimable 674817 -2.6% 657530 proc-vmstat.nr_zone_active_anon 0.37 ± 2% -6.8% 0.35 perf-stat.i.MPKI 76468991 -1.9% 74991763 perf-stat.i.branch-misses 20.62 ± 2% -2.6 18.02 ± 2% perf-stat.i.cache-miss-rate% 34114286 ± 2% -7.8% 31452733 perf-stat.i.cache-misses 1.675e+08 +6.0% 1.775e+08 perf-stat.i.cache-references 4800 ± 4% -11.4% 4254 ± 4% perf-stat.i.context-switches 1.55 +0.9% 1.57 perf-stat.i.cpi 4185 ± 2% +8.3% 4534 perf-stat.i.cycles-between-cache-misses 9.151e+10 -1.0% 9.063e+10 perf-stat.i.instructions 0.37 ± 2% -6.9% 0.35 perf-stat.overall.MPKI 0.39 -0.0 0.39 perf-stat.overall.branch-miss-rate% 20.35 ± 2% -2.6 17.70 ± 2% perf-stat.overall.cache-miss-rate% 1.55 +0.9% 1.57 perf-stat.overall.cpi 4163 ± 2% +8.4% 4514 perf-stat.overall.cycles-between-cache-misses 4010019 +5.4% 4225135 perf-stat.overall.path-length 76161250 -1.9% 74678157 perf-stat.ps.branch-misses 34001097 ± 2% -7.8% 31340807 perf-stat.ps.cache-misses 1.671e+08 +6.0% 1.771e+08 perf-stat.ps.cache-references 4780 ± 4% -11.4% 4233 ± 4% perf-stat.ps.context-switches 9.12e+10 -1.0% 9.033e+10 perf-stat.ps.instructions 19.40 -0.9 18.54 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 15.57 -0.8 14.77 perf-profile.calltrace.cycles-pp.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 8.86 -0.5 8.39 ± 2% perf-profile.calltrace.cycles-pp.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 12.99 -0.5 12.52 perf-profile.calltrace.cycles-pp.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 8.50 -0.5 8.05 ± 2% perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff 7.73 -0.4 7.32 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap 8.46 -0.4 8.06 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 3.94 -0.4 3.56 perf-profile.calltrace.cycles-pp.free_pgd_range.free_pgtables.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap 6.70 -0.4 6.33 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region.vms_complete_munmap_vmas 6.08 -0.4 5.71 perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 55.07 -0.4 54.71 perf-profile.calltrace.cycles-pp.__mmap 3.59 -0.3 3.25 perf-profile.calltrace.cycles-pp.free_p4d_range.free_pgd_range.free_pgtables.unmap_region.vms_complete_munmap_vmas 3.72 -0.3 3.40 perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.__mmap 3.09 -0.3 2.79 perf-profile.calltrace.cycles-pp.free_pud_range.free_p4d_range.free_pgd_range.free_pgtables.unmap_region 4.14 -0.3 3.86 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap 3.54 -0.3 3.27 perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.__munmap 3.22 ± 2% -0.3 2.96 ± 2% perf-profile.calltrace.cycles-pp.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 1.57 -0.2 1.37 perf-profile.calltrace.cycles-pp.mas_find.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 4.98 -0.2 4.81 perf-profile.calltrace.cycles-pp.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 0.88 -0.2 0.71 perf-profile.calltrace.cycles-pp.mas_walk.mas_find.__mmap_region.do_mmap.vm_mmap_pgoff 3.78 -0.1 3.66 perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 1.82 ± 2% -0.1 1.72 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_free.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.65 -0.1 0.56 perf-profile.calltrace.cycles-pp.memcpy_orig.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap 1.53 -0.1 1.45 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__munmap 1.38 -0.1 1.30 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__munmap 0.65 -0.1 0.58 perf-profile.calltrace.cycles-pp.vma_merge_new_range.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 1.46 -0.1 1.41 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__mmap 0.97 ± 2% -0.1 0.91 perf-profile.calltrace.cycles-pp.atime_needs_update.touch_atime.shmem_mmap_prepare.__mmap_region.do_mmap 1.36 -0.0 1.31 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__mmap 0.76 -0.0 0.72 perf-profile.calltrace.cycles-pp.__vma_start_write.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.69 -0.0 0.66 perf-profile.calltrace.cycles-pp.__filemap_get_folio_mpol.freader_get_folio.freader_fetch.__build_id_parse.perf_event_mmap_event 0.56 -0.0 0.53 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.__mmap 0.78 ± 2% +0.0 0.83 perf-profile.calltrace.cycles-pp.mas_wr_store_type.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap 0.72 +0.1 0.80 perf-profile.calltrace.cycles-pp.vma_link_file.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff 1.24 +0.1 1.32 perf-profile.calltrace.cycles-pp.unlink_file_vma_batch_final.free_pgtables.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap 1.38 +0.1 1.48 perf-profile.calltrace.cycles-pp.mas_find.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 2.39 +0.2 2.55 perf-profile.calltrace.cycles-pp.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area 45.68 +0.2 45.93 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap 45.52 +0.3 45.78 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 0.82 +0.3 1.09 perf-profile.calltrace.cycles-pp.mas_wr_store_type.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 1.59 +0.3 1.89 perf-profile.calltrace.cycles-pp.mas_rev_awalk.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown 44.54 +0.4 44.94 perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 7.12 +0.4 7.56 perf-profile.calltrace.cycles-pp.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 6.68 +0.5 7.16 perf-profile.calltrace.cycles-pp.shmem_get_unmapped_area.__get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 42.98 +0.5 43.52 perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 41.67 +0.6 42.29 perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.47 +0.6 6.10 perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area.do_mmap.vm_mmap_pgoff 0.00 +0.6 0.64 ± 8% perf-profile.calltrace.cycles-pp.__refill_objects_node.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate 32.58 +0.7 33.24 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 0.56 ± 2% +0.7 1.27 perf-profile.calltrace.cycles-pp.mas_prev_slot.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area 34.16 +0.7 34.89 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.48 +0.7 5.20 perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area.do_mmap 0.00 +0.7 0.73 perf-profile.calltrace.cycles-pp.mas_prev_node.mas_prev_slot.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown 4.32 +0.7 5.07 perf-profile.calltrace.cycles-pp.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.shmem_get_unmapped_area.__get_unmapped_area 0.00 +0.8 0.75 perf-profile.calltrace.cycles-pp.mas_next_node.mas_next_slot.__mmap_region.do_mmap.vm_mmap_pgoff 34.96 +0.8 35.72 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 35.97 +0.8 36.73 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 35.80 +0.8 36.57 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 0.00 +0.8 0.79 perf-profile.calltrace.cycles-pp.mas_next_node.mas_next_slot.mas_find.vms_gather_munmap_vmas.do_vmi_align_munmap 0.79 +0.8 1.58 perf-profile.calltrace.cycles-pp.mas_prev_slot.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.00 +0.8 0.80 ± 2% perf-profile.calltrace.cycles-pp.mas_prev_node.mas_prev_slot.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 0.00 +0.8 0.80 perf-profile.calltrace.cycles-pp.mas_prev_slot.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 35.04 +0.8 35.85 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 0.00 +0.8 0.81 ± 7% perf-profile.calltrace.cycles-pp.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate.__mmap_new_vma 0.97 +0.8 1.80 perf-profile.calltrace.cycles-pp.mas_find.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.73 +0.8 1.56 perf-profile.calltrace.cycles-pp.mas_next_slot.mas_find.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 0.00 +0.9 0.95 ± 7% perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate.__mmap_new_vma.__mmap_region 0.00 +1.1 1.09 perf-profile.calltrace.cycles-pp.mas_next_slot.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 5.22 +1.5 6.75 perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 0.00 +1.5 1.55 ± 5% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap 19.61 -0.8 18.76 perf-profile.children.cycles-pp.vms_complete_munmap_vmas 15.58 -0.8 14.79 perf-profile.children.cycles-pp.unmap_region 8.68 -0.8 7.93 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 8.88 -0.5 8.40 ± 2% perf-profile.children.cycles-pp.perf_event_mmap 13.03 -0.5 12.57 perf-profile.children.cycles-pp.__mmap_new_vma 8.56 -0.5 8.11 ± 2% perf-profile.children.cycles-pp.perf_event_mmap_event 1.40 -0.4 0.98 perf-profile.children.cycles-pp.memcpy_orig 7.75 -0.4 7.34 perf-profile.children.cycles-pp.unmap_page_range 8.08 -0.4 7.67 perf-profile.children.cycles-pp.mas_wr_node_store 8.48 -0.4 8.07 perf-profile.children.cycles-pp.unmap_vmas 3.96 -0.4 3.58 perf-profile.children.cycles-pp.free_pgd_range 6.72 -0.4 6.35 perf-profile.children.cycles-pp.zap_pmd_range 6.16 -0.4 5.80 perf-profile.children.cycles-pp.free_pgtables 3.61 -0.3 3.26 perf-profile.children.cycles-pp.free_p4d_range 3.10 -0.3 2.80 perf-profile.children.cycles-pp.free_pud_range 54.52 -0.3 54.23 perf-profile.children.cycles-pp.__mmap 3.24 ± 2% -0.3 2.98 ± 2% perf-profile.children.cycles-pp.mas_preallocate 5.28 -0.2 5.06 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 2.34 -0.2 2.13 perf-profile.children.cycles-pp.mas_walk 5.00 -0.2 4.82 perf-profile.children.cycles-pp.mas_store_prealloc 3.46 -0.2 3.31 perf-profile.children.cycles-pp.entry_SYSCALL_64 3.06 -0.1 2.92 perf-profile.children.cycles-pp.syscall_return_via_sysret 1.95 ± 2% -0.1 1.84 perf-profile.children.cycles-pp.__pcs_replace_empty_main 0.30 ± 3% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.mas_prev_setup 1.83 ± 2% -0.1 1.74 perf-profile.children.cycles-pp.kmem_cache_free 1.40 -0.1 1.32 perf-profile.children.cycles-pp.__refill_objects_node 0.70 -0.1 0.62 perf-profile.children.cycles-pp.vma_merge_new_range 0.27 ± 2% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.unlink_file_vma_batch_add 0.57 ± 3% -0.1 0.50 ± 3% perf-profile.children.cycles-pp.mas_prev 0.23 ± 2% -0.1 0.17 ± 4% perf-profile.children.cycles-pp.mas_prev_range 0.38 ± 8% -0.1 0.32 ± 3% perf-profile.children.cycles-pp.strlen 0.43 ± 2% -0.1 0.37 perf-profile.children.cycles-pp.fput 0.68 ± 2% -0.1 0.62 ± 2% perf-profile.children.cycles-pp.copy_from_kernel_nofault 0.62 -0.1 0.57 ± 2% perf-profile.children.cycles-pp.__vma_start_exclude_readers 0.76 ± 2% -0.0 0.71 ± 2% perf-profile.children.cycles-pp.prepend_copy 0.79 -0.0 0.74 ± 4% perf-profile.children.cycles-pp.__kfree_rcu_sheaf 0.99 ± 2% -0.0 0.95 ± 2% perf-profile.children.cycles-pp.atime_needs_update 1.12 -0.0 1.07 ± 2% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.36 ± 2% -0.0 0.32 ± 2% perf-profile.children.cycles-pp.security_mmap_file 0.38 ± 2% -0.0 0.34 perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare 0.19 ± 3% -0.0 0.16 ± 4% perf-profile.children.cycles-pp.__x64_sys_mmap 0.63 -0.0 0.60 perf-profile.children.cycles-pp.up_write 0.39 -0.0 0.36 perf-profile.children.cycles-pp.mas_wr_store_entry 0.11 ± 4% -0.0 0.08 perf-profile.children.cycles-pp.get_align_mask 0.24 ± 3% -0.0 0.22 ± 4% perf-profile.children.cycles-pp.copy_from_kernel_nofault_allowed 0.40 -0.0 0.38 ± 2% perf-profile.children.cycles-pp.mas_next_range 0.30 ± 2% -0.0 0.28 ± 3% perf-profile.children.cycles-pp.can_vma_merge_right 0.32 ± 3% -0.0 0.30 ± 3% perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare 0.33 ± 2% -0.0 0.31 perf-profile.children.cycles-pp.unmap_single_vma 0.21 ± 3% -0.0 0.19 ± 2% perf-profile.children.cycles-pp.mmap_action_complete 0.34 -0.0 0.33 ± 2% perf-profile.children.cycles-pp.tlb_gather_mmu 0.33 -0.0 0.32 perf-profile.children.cycles-pp.tlb_finish_mmu 0.09 ± 5% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.barn_replace_empty_sheaf 0.14 ± 3% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.get_mmap_base 0.06 -0.0 0.05 perf-profile.children.cycles-pp.barn_get_empty_sheaf 0.06 -0.0 0.05 perf-profile.children.cycles-pp.rcu_cblist_dequeue 0.08 +0.0 0.09 perf-profile.children.cycles-pp.mas_nomem 0.06 +0.0 0.07 ± 5% perf-profile.children.cycles-pp.unlink_file_vma_batch_init 0.31 +0.0 0.32 ± 2% perf-profile.children.cycles-pp.userfaultfd_unmap_complete 0.13 ± 3% +0.0 0.15 ± 3% perf-profile.children.cycles-pp.vm_area_free 0.11 +0.0 0.13 ± 3% perf-profile.children.cycles-pp.build_id_parse_nofault 0.14 ± 5% +0.0 0.16 ± 3% perf-profile.children.cycles-pp.userfaultfd_unmap_prep 0.48 +0.0 0.50 perf-profile.children.cycles-pp.hrtimer_interrupt 0.20 ± 3% +0.0 0.22 ± 3% perf-profile.children.cycles-pp.is_vmalloc_addr 0.46 ± 2% +0.0 0.48 perf-profile.children.cycles-pp.filemap_get_entry 0.08 ± 4% +0.0 0.11 ± 4% perf-profile.children.cycles-pp.vma_wants_writenotify 0.13 ± 7% +0.0 0.16 ± 2% perf-profile.children.cycles-pp.mmap_region 0.11 ± 4% +0.0 0.14 ± 5% perf-profile.children.cycles-pp.mas_next_setup 0.27 ± 3% +0.0 0.31 ± 4% perf-profile.children.cycles-pp.__thp_vma_allowable_orders 0.31 ± 3% +0.0 0.35 ± 3% perf-profile.children.cycles-pp.__x86_indirect_thunk_rax 0.13 ± 3% +0.0 0.18 ± 4% perf-profile.children.cycles-pp.rb_next 0.08 ± 6% +0.1 0.14 ± 3% perf-profile.children.cycles-pp.ksm_vma_flags 0.47 ± 3% +0.1 0.53 ± 3% perf-profile.children.cycles-pp.down_write 0.35 ± 3% +0.1 0.42 ± 3% perf-profile.children.cycles-pp.vma_interval_tree_remove 0.74 +0.1 0.82 perf-profile.children.cycles-pp.vma_link_file 1.24 +0.1 1.33 perf-profile.children.cycles-pp.unlink_file_vma_batch_final 2.44 +0.1 2.58 perf-profile.children.cycles-pp.mas_empty_area_rev 0.66 ± 5% +0.2 0.89 perf-profile.children.cycles-pp.mas_wr_walk_descend 1.62 +0.3 1.90 perf-profile.children.cycles-pp.mas_rev_awalk 1.71 +0.3 2.04 perf-profile.children.cycles-pp.mas_wr_store_type 44.55 +0.4 44.96 perf-profile.children.cycles-pp.ksys_mmap_pgoff 7.13 +0.4 7.56 perf-profile.children.cycles-pp.__get_unmapped_area 6.69 +0.5 7.17 perf-profile.children.cycles-pp.shmem_get_unmapped_area 43.01 +0.5 43.55 perf-profile.children.cycles-pp.vm_mmap_pgoff 5.53 +0.6 6.14 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 41.71 +0.6 42.34 perf-profile.children.cycles-pp.do_mmap 32.60 +0.7 33.26 perf-profile.children.cycles-pp.do_vmi_align_munmap 5.05 +0.7 5.75 perf-profile.children.cycles-pp.mas_find 34.19 +0.7 34.90 perf-profile.children.cycles-pp.do_vmi_munmap 4.49 +0.7 5.21 perf-profile.children.cycles-pp.vm_unmapped_area 4.34 +0.7 5.09 perf-profile.children.cycles-pp.unmapped_area_topdown 34.99 +0.8 35.74 perf-profile.children.cycles-pp.__vm_munmap 35.06 +0.8 35.87 perf-profile.children.cycles-pp.__x64_sys_munmap 0.00 +1.0 0.99 perf-profile.children.cycles-pp.mas_ascend 81.44 +1.0 82.44 perf-profile.children.cycles-pp.do_syscall_64 81.77 +1.0 82.79 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 5.30 +1.5 6.82 perf-profile.children.cycles-pp.vms_gather_munmap_vmas 0.00 +1.6 1.58 perf-profile.children.cycles-pp.mas_next_node 1.84 +1.6 3.48 perf-profile.children.cycles-pp.mas_next_slot 1.75 +2.0 3.72 perf-profile.children.cycles-pp.mas_prev_slot 0.00 +2.0 2.01 perf-profile.children.cycles-pp.mas_prev_node 8.62 -0.8 7.87 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 1.32 -0.4 0.91 perf-profile.self.cycles-pp.memcpy_orig 4.40 -0.3 4.09 perf-profile.self.cycles-pp.zap_pmd_range 2.96 -0.3 2.68 perf-profile.self.cycles-pp.free_pud_range 2.19 -0.2 1.99 perf-profile.self.cycles-pp.mas_walk 3.05 -0.2 2.89 perf-profile.self.cycles-pp.syscall_return_via_sysret 3.07 -0.1 2.94 perf-profile.self.cycles-pp.entry_SYSCALL_64 0.38 ± 7% -0.1 0.27 ± 3% perf-profile.self.cycles-pp.current_time 0.62 -0.1 0.52 perf-profile.self.cycles-pp.do_vmi_align_munmap 0.80 -0.1 0.71 ± 5% perf-profile.self.cycles-pp.do_syscall_64 0.25 ± 3% -0.1 0.17 ± 4% perf-profile.self.cycles-pp.mas_prev_setup 0.76 ± 5% -0.1 0.68 ± 3% perf-profile.self.cycles-pp.perf_event_mmap_event 0.24 -0.1 0.17 ± 2% perf-profile.self.cycles-pp.unlink_file_vma_batch_add 0.52 ± 6% -0.1 0.46 ± 6% perf-profile.self.cycles-pp.kmem_cache_free 0.80 -0.1 0.73 ± 2% perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown 0.73 -0.1 0.66 perf-profile.self.cycles-pp.__mmap_new_vma 0.36 ± 8% -0.1 0.30 ± 3% perf-profile.self.cycles-pp.strlen 0.40 ± 2% -0.1 0.34 perf-profile.self.cycles-pp.fput 1.03 -0.1 0.98 perf-profile.self.cycles-pp.__refill_objects_node 0.36 ± 2% -0.1 0.30 ± 2% perf-profile.self.cycles-pp.vm_mmap_pgoff 0.68 ± 3% -0.1 0.62 ± 3% perf-profile.self.cycles-pp.unmapped_area_topdown 0.77 ± 2% -0.1 0.71 ± 4% perf-profile.self.cycles-pp.__kmem_cache_free_bulk 0.34 -0.1 0.29 perf-profile.self.cycles-pp.__build_id_parse 0.53 -0.0 0.48 perf-profile.self.cycles-pp.__vma_start_exclude_readers 0.64 ± 2% -0.0 0.59 perf-profile.self.cycles-pp.ksys_mmap_pgoff 0.28 ± 2% -0.0 0.23 perf-profile.self.cycles-pp.mas_next_range 0.30 ± 3% -0.0 0.26 ± 6% perf-profile.self.cycles-pp.vma_merge_new_range 0.24 -0.0 0.20 ± 3% perf-profile.self.cycles-pp.__filemap_get_folio_mpol 0.60 -0.0 0.56 perf-profile.self.cycles-pp.mas_preallocate 0.64 -0.0 0.60 ± 5% perf-profile.self.cycles-pp.__kfree_rcu_sheaf 0.71 ± 2% -0.0 0.67 ± 2% perf-profile.self.cycles-pp.mas_empty_area_rev 0.37 ± 2% -0.0 0.34 perf-profile.self.cycles-pp.arch_exit_to_user_mode_prepare 0.18 ± 4% -0.0 0.15 ± 4% perf-profile.self.cycles-pp.do_vmi_munmap 0.33 ± 3% -0.0 0.30 ± 2% perf-profile.self.cycles-pp.free_pgd_range 0.25 ± 3% -0.0 0.22 ± 3% perf-profile.self.cycles-pp.__get_unmapped_area 0.10 ± 3% -0.0 0.07 perf-profile.self.cycles-pp.get_align_mask 0.16 ± 4% -0.0 0.13 ± 4% perf-profile.self.cycles-pp.security_mmap_file 0.34 ± 2% -0.0 0.32 perf-profile.self.cycles-pp.mas_wr_store_entry 0.59 ± 2% -0.0 0.56 perf-profile.self.cycles-pp.up_write 0.32 ± 3% -0.0 0.30 ± 3% perf-profile.self.cycles-pp.__rcu_free_sheaf_prepare 0.30 ± 2% -0.0 0.28 perf-profile.self.cycles-pp.perf_event_mmap 0.21 ± 3% -0.0 0.19 ± 4% perf-profile.self.cycles-pp.copy_from_kernel_nofault_allowed 0.18 ± 2% -0.0 0.16 ± 3% perf-profile.self.cycles-pp.mmap_action_complete 0.12 ± 3% -0.0 0.10 ± 3% perf-profile.self.cycles-pp.khugepaged_enter_vma 0.30 -0.0 0.28 ± 2% perf-profile.self.cycles-pp.unmap_vmas 0.15 ± 4% -0.0 0.13 ± 3% perf-profile.self.cycles-pp.__vm_enough_memory 0.06 -0.0 0.04 ± 44% perf-profile.self.cycles-pp.rcu_cblist_dequeue 0.18 ± 3% -0.0 0.16 ± 4% perf-profile.self.cycles-pp.unmap_single_vma 0.31 -0.0 0.29 perf-profile.self.cycles-pp.tlb_finish_mmu 0.11 ± 3% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.vm_unmapped_area 0.33 -0.0 0.31 ± 2% perf-profile.self.cycles-pp.tlb_gather_mmu 0.14 ± 3% -0.0 0.12 ± 5% perf-profile.self.cycles-pp.__x64_sys_mmap 0.07 +0.0 0.08 perf-profile.self.cycles-pp.mas_nomem 0.05 +0.0 0.06 ± 6% perf-profile.self.cycles-pp.unlink_file_vma_batch_init 0.06 +0.0 0.07 ± 5% perf-profile.self.cycles-pp.__pi_memcpy 0.28 +0.0 0.30 ± 2% perf-profile.self.cycles-pp.userfaultfd_unmap_complete 0.12 ± 5% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.userfaultfd_unmap_prep 0.15 ± 6% +0.0 0.17 ± 2% perf-profile.self.cycles-pp.freader_get_folio 0.23 ± 2% +0.0 0.25 perf-profile.self.cycles-pp.filemap_get_entry 0.19 ± 2% +0.0 0.22 ± 4% perf-profile.self.cycles-pp.remove_vma 0.24 ± 2% +0.0 0.26 perf-profile.self.cycles-pp.vma_link_file 0.07 ± 6% +0.0 0.10 ± 5% perf-profile.self.cycles-pp.vma_wants_writenotify 0.12 ± 8% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.mmap_region 0.23 ± 4% +0.0 0.26 ± 2% perf-profile.self.cycles-pp.vma_interval_tree_remove 0.10 ± 4% +0.0 0.13 ± 2% perf-profile.self.cycles-pp.mas_next_setup 0.26 ± 2% +0.0 0.29 ± 4% perf-profile.self.cycles-pp.__thp_vma_allowable_orders 0.11 ± 3% +0.0 0.15 ± 6% perf-profile.self.cycles-pp.rb_next 0.27 +0.0 0.30 perf-profile.self.cycles-pp.freader_fetch 0.29 ± 3% +0.0 0.33 ± 4% perf-profile.self.cycles-pp.__x86_indirect_thunk_rax 0.45 ± 2% +0.0 0.49 ± 4% perf-profile.self.cycles-pp.down_write_killable 0.33 ± 2% +0.0 0.38 ± 3% perf-profile.self.cycles-pp.__vma_start_write 1.55 +0.1 1.60 perf-profile.self.cycles-pp.mas_store_gfp 0.07 ± 7% +0.1 0.12 ± 5% perf-profile.self.cycles-pp.ksm_vma_flags 0.26 +0.1 0.32 perf-profile.self.cycles-pp.shmem_mmap_prepare 0.44 ± 4% +0.1 0.50 ± 3% perf-profile.self.cycles-pp.down_write 1.00 +0.1 1.10 perf-profile.self.cycles-pp.mas_wr_store_type 1.69 +0.1 1.79 perf-profile.self.cycles-pp.mas_next_slot 0.65 +0.1 0.75 ± 2% perf-profile.self.cycles-pp.mas_store_prealloc 1.10 +0.1 1.23 perf-profile.self.cycles-pp.mas_find 0.62 ± 5% +0.2 0.84 perf-profile.self.cycles-pp.mas_wr_walk_descend 1.16 +0.6 1.80 perf-profile.self.cycles-pp.mas_rev_awalk 0.00 +0.9 0.91 perf-profile.self.cycles-pp.mas_ascend 0.00 +1.2 1.18 perf-profile.self.cycles-pp.mas_next_node 0.00 +1.3 1.27 ± 2% perf-profile.self.cycles-pp.mas_prev_node 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