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tAXSe0PhvkHrPQhgIu/8AUAf2cDB0Ub6aLXZNNmq7gUYaQGMz6OjH4LKCugsmnCCKrFl1dQ1+qbSYmo9ou8jGQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB6382 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a -2.3% regression of stress-ng.fault.ops_per_sec on: commit: 8829cb6189b7a6b5283b9ffc870df13c085f1cd6 ("fs: hold s_write_srcu for pre-modify permission events on write") https://github.com/amir73il/linux sb_write_barrier testcase: stress-ng 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: fault 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/202405231056.66ecbb94-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240523/202405231056.66ecbb94-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp9/fault/stress-ng/60s commit: 3f7a9d8157 ("fs: add srcu variants for mnt_{want,drop}_write() helpers") 8829cb6189 ("fs: hold s_write_srcu for pre-modify permission events on write") 3f7a9d815783aeff 8829cb6189b7a6b5283b9ffc870 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :6 17% 1:6 dmesg.RIP:native_queued_spin_lock_slowpath :6 17% 1:6 dmesg.RIP:setup_pebs_adaptive_sample_data :6 17% 1:6 dmesg.WARNING:at_arch/x86/events/intel/ds.c:#setup_pebs_adaptive_sample_data %stddev %change %stddev \ | \ 155.51 ± 12% +23.3% 191.81 ± 13% sched_debug.cfs_rq:/.util_est.stddev 5270 ±141% +378.6% 25225 ± 79% sched_debug.cpu.max_idle_balance_cost.stddev 0.63 ± 2% -0.0 0.59 perf-stat.i.branch-miss-rate% 2.61 ± 2% +3.5% 2.70 perf-stat.i.cpi 0.40 ± 5% -5.2% 0.38 perf-stat.i.ipc 53250 -2.3% 52032 stress-ng.fault.minor_page_faults_per_sec 51143720 -2.3% 49967689 stress-ng.fault.ops 852394 -2.3% 832793 stress-ng.fault.ops_per_sec 2.046e+08 -2.3% 1.999e+08 stress-ng.time.minor_page_faults 1.157e+08 -2.2% 1.132e+08 proc-vmstat.numa_hit 1.157e+08 -2.2% 1.131e+08 proc-vmstat.numa_local 51220291 -2.4% 49995156 proc-vmstat.pgactivate 1.377e+08 -2.1% 1.349e+08 proc-vmstat.pgalloc_normal 2.053e+08 -2.4% 2.003e+08 proc-vmstat.pgfault 1.368e+08 -2.2% 1.338e+08 proc-vmstat.pgfree 51073893 -2.4% 49869748 proc-vmstat.unevictable_pgs_culled 24.17 ± 2% -1.7 22.46 ± 2% perf-profile.calltrace.cycles-pp.__madvise 23.20 ± 2% -1.7 21.52 ± 2% perf-profile.calltrace.cycles-pp.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise 23.33 ± 2% -1.7 21.65 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__madvise 23.24 ± 2% -1.7 21.55 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise 23.31 ± 2% -1.7 21.62 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise 22.51 ± 2% -1.7 20.83 ± 2% perf-profile.calltrace.cycles-pp.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe 18.38 ± 3% -1.5 16.87 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain 18.12 ± 3% -1.5 16.62 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu 17.63 -1.2 16.39 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 17.36 -1.2 16.14 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 17.61 -1.2 16.38 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 17.48 -1.2 16.25 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 15.64 ± 2% -1.2 14.49 perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 15.03 ± 2% -1.1 13.91 ± 2% perf-profile.calltrace.cycles-pp.zap_page_range_single.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64 13.49 ± 3% -1.1 12.38 ± 2% perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.zap_page_range_single.madvise_vma_behavior 13.51 ± 3% -1.1 12.41 ± 2% perf-profile.calltrace.cycles-pp.lru_add_drain.zap_page_range_single.madvise_vma_behavior.do_madvise.__x64_sys_madvise 13.51 ± 3% -1.1 12.41 ± 2% perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.zap_page_range_single.madvise_vma_behavior.do_madvise 12.53 ± 3% -1.0 11.50 ± 2% perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.zap_page_range_single 36.55 -1.0 35.54 perf-profile.calltrace.cycles-pp.__munmap 36.27 -1.0 35.27 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 36.26 -1.0 35.26 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 12.06 ± 2% -1.0 11.08 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs 7.33 -0.6 6.72 ± 2% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 7.10 ± 2% -0.6 6.49 ± 2% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap 7.11 ± 2% -0.6 6.50 ± 2% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap 7.02 ± 2% -0.6 6.42 ± 2% perf-profile.calltrace.cycles-pp.lru_add_drain.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region 7.01 ± 2% -0.6 6.40 ± 2% perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu 6.99 ± 3% -0.6 6.42 ± 2% perf-profile.calltrace.cycles-pp.__walk_page_range.walk_page_range.madvise_pageout.madvise_vma_behavior.do_madvise 7.38 ± 2% -0.6 6.82 ± 2% perf-profile.calltrace.cycles-pp.madvise_pageout.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64 6.94 ± 3% -0.6 6.38 ± 2% perf-profile.calltrace.cycles-pp.walk_p4d_range.walk_pgd_range.__walk_page_range.walk_page_range.madvise_pageout 6.29 ± 2% -0.6 5.73 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain.free_pages_and_swap_cache 6.97 ± 2% -0.6 6.41 ± 2% perf-profile.calltrace.cycles-pp.walk_pgd_range.__walk_page_range.walk_page_range.madvise_pageout.madvise_vma_behavior 6.38 ± 2% -0.6 5.82 ± 2% perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages 6.16 ± 2% -0.6 5.60 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain 6.92 ± 3% -0.6 6.36 ± 2% perf-profile.calltrace.cycles-pp.walk_pud_range.walk_p4d_range.walk_pgd_range.__walk_page_range.walk_page_range 7.10 ± 2% -0.6 6.54 ± 2% perf-profile.calltrace.cycles-pp.walk_page_range.madvise_pageout.madvise_vma_behavior.do_madvise.__x64_sys_madvise 6.90 ± 3% -0.6 6.34 ± 2% perf-profile.calltrace.cycles-pp.walk_pmd_range.walk_pud_range.walk_p4d_range.walk_pgd_range.__walk_page_range 6.88 ± 3% -0.6 6.32 ± 2% perf-profile.calltrace.cycles-pp.madvise_cold_or_pageout_pte_range.walk_pmd_range.walk_pud_range.walk_p4d_range.walk_pgd_range 6.97 -0.6 6.42 perf-profile.calltrace.cycles-pp.folios_put_refs.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill 6.54 ± 3% -0.5 5.99 ± 2% perf-profile.calltrace.cycles-pp.folio_isolate_lru.madvise_cold_or_pageout_pte_range.walk_pmd_range.walk_pud_range.walk_p4d_range 7.84 -0.5 7.29 perf-profile.calltrace.cycles-pp.shmem_evict_inode.evict.__dentry_kill.dput.__fput 7.72 -0.5 7.17 perf-profile.calltrace.cycles-pp.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill.dput 6.27 ± 3% -0.5 5.75 ± 2% perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.folio_isolate_lru.madvise_cold_or_pageout_pte_range.walk_pmd_range.walk_pud_range 6.17 ± 3% -0.5 5.65 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.folio_isolate_lru.madvise_cold_or_pageout_pte_range.walk_pmd_range 6.09 ± 3% -0.5 5.57 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.folio_isolate_lru.madvise_cold_or_pageout_pte_range 6.42 -0.5 5.90 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.shmem_undo_range.shmem_evict_inode.evict 6.58 ± 3% -0.5 6.07 ± 2% perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.unmap_region.do_vmi_align_munmap 6.25 -0.5 5.73 ± 2% perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.shmem_undo_range.shmem_evict_inode 6.62 ± 2% -0.5 6.10 ± 2% perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.unmap_region.do_vmi_align_munmap.do_vmi_munmap 6.62 ± 3% -0.5 6.11 ± 2% perf-profile.calltrace.cycles-pp.lru_add_drain.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 6.18 -0.5 5.66 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.shmem_undo_range 6.16 ± 3% -0.5 5.67 ± 2% perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.unmap_region 6.14 ± 2% -0.5 5.68 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.truncate_inode_pages_range.evict 6.07 ± 2% -0.5 5.60 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.truncate_inode_pages_range 3.43 ± 2% -0.3 3.17 perf-profile.calltrace.cycles-pp.folios_put_refs.truncate_inode_pages_range.evict.__dentry_kill.dput 3.75 ± 2% -0.2 3.50 perf-profile.calltrace.cycles-pp.truncate_inode_pages_range.evict.__dentry_kill.dput.__fput 3.41 ± 2% -0.2 3.17 perf-profile.calltrace.cycles-pp.folios_put_refs.truncate_inode_pages_range.evict.do_unlinkat.__x64_sys_unlink 3.14 ± 3% -0.2 2.91 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.truncate_inode_pages_range.evict.__dentry_kill 3.74 ± 2% -0.2 3.50 perf-profile.calltrace.cycles-pp.truncate_inode_pages_range.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64 3.13 ± 2% -0.2 2.91 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.truncate_inode_pages_range.evict.do_unlinkat 0.51 -0.2 0.33 ± 70% perf-profile.calltrace.cycles-pp.sync_regs.asm_exc_page_fault.stress_fault 5.64 -0.1 5.50 perf-profile.calltrace.cycles-pp.stress_fault 4.70 -0.1 4.60 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.stress_fault 4.16 -0.1 4.07 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.stress_fault 4.12 -0.1 4.03 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.stress_fault 3.59 -0.1 3.52 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.stress_fault 2.13 -0.1 2.08 perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 0.92 -0.0 0.88 perf-profile.calltrace.cycles-pp.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write.__x64_sys_pwrite64 0.71 -0.0 0.67 perf-profile.calltrace.cycles-pp.__filemap_get_folio.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write 1.13 -0.0 1.09 perf-profile.calltrace.cycles-pp.generic_perform_write.generic_file_write_iter.vfs_write.__x64_sys_pwrite64.do_syscall_64 0.81 -0.0 0.79 perf-profile.calltrace.cycles-pp.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault.do_read_fault 0.75 -0.0 0.73 perf-profile.calltrace.cycles-pp.alloc_inode.new_inode.__shmem_get_inode.__shmem_file_setup.shmem_zero_setup 0.60 -0.0 0.58 perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff 18.59 +0.2 18.83 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 18.33 +0.2 18.58 perf-profile.calltrace.cycles-pp.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 17.29 +0.3 17.54 perf-profile.calltrace.cycles-pp.dput.__fput.task_work_run.syscall_exit_to_user_mode.do_syscall_64 18.08 +0.3 18.34 perf-profile.calltrace.cycles-pp.__fput.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 17.19 +0.3 17.45 perf-profile.calltrace.cycles-pp.__dentry_kill.dput.__fput.task_work_run.syscall_exit_to_user_mode 1.96 +0.3 2.23 perf-profile.calltrace.cycles-pp.__libc_pwrite 1.84 +0.3 2.12 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_pwrite 1.85 +0.3 2.13 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__libc_pwrite 1.82 +0.3 2.10 perf-profile.calltrace.cycles-pp.__x64_sys_pwrite64.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_pwrite 1.78 +0.3 2.06 perf-profile.calltrace.cycles-pp.vfs_write.__x64_sys_pwrite64.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_pwrite 15.98 +0.3 16.27 perf-profile.calltrace.cycles-pp.evict.__dentry_kill.dput.__fput.task_work_run 8.24 +0.9 9.15 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 8.24 +0.9 9.16 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlink 8.36 +0.9 9.27 ± 2% perf-profile.calltrace.cycles-pp.unlink 8.04 +0.9 8.96 ± 2% perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 8.20 +0.9 9.13 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 5.36 +1.0 6.37 ± 3% perf-profile.calltrace.cycles-pp.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.64 ± 6% +1.0 4.68 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.evict.__dentry_kill.dput 3.88 ± 6% +1.1 4.94 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.evict.__dentry_kill.dput.__fput 1.35 ± 11% +1.2 2.52 ± 10% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.evict.do_unlinkat.__x64_sys_unlink 1.42 ± 10% +1.2 2.62 ± 10% perf-profile.calltrace.cycles-pp._raw_spin_lock.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64 8.34 ± 5% +2.3 10.62 ± 6% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 8.36 ± 5% +2.3 10.64 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 8.53 ± 5% +2.3 10.81 ± 6% perf-profile.calltrace.cycles-pp.open64 8.39 ± 5% +2.3 10.67 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 8.40 ± 5% +2.3 10.68 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 8.01 ± 5% +2.3 10.30 ± 6% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.98 ± 5% +2.3 10.27 ± 6% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 2.87 ± 10% +2.3 5.19 ± 11% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.new_inode.ramfs_get_inode.ramfs_mknod 5.99 ± 6% +2.3 8.32 ± 7% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 4.04 ± 7% +2.3 6.38 ± 9% perf-profile.calltrace.cycles-pp.new_inode.ramfs_get_inode.ramfs_mknod.lookup_open.open_last_lookups 3.06 ± 9% +2.4 5.44 ± 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.new_inode.ramfs_get_inode.ramfs_mknod.lookup_open 5.53 ± 6% +2.4 7.91 ± 8% perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 4.53 ± 7% +2.4 6.92 ± 9% perf-profile.calltrace.cycles-pp.ramfs_mknod.lookup_open.open_last_lookups.path_openat.do_filp_open 4.39 ± 7% +2.4 6.79 ± 9% perf-profile.calltrace.cycles-pp.ramfs_get_inode.ramfs_mknod.lookup_open.open_last_lookups.path_openat 37.47 ± 2% -3.1 34.42 ± 2% perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 36.99 ± 2% -3.0 33.94 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 27.20 ± 2% -2.2 24.96 ± 2% perf-profile.children.cycles-pp.lru_add_drain 27.10 ± 2% -2.2 24.88 ± 2% perf-profile.children.cycles-pp.folio_batch_move_lru 24.23 ± 2% -1.7 22.52 ± 2% perf-profile.children.cycles-pp.__madvise 23.22 ± 2% -1.7 21.53 ± 2% perf-profile.children.cycles-pp.do_madvise 23.24 ± 2% -1.7 21.56 ± 2% perf-profile.children.cycles-pp.__x64_sys_madvise 22.52 ± 2% -1.7 20.84 ± 2% perf-profile.children.cycles-pp.madvise_vma_behavior 20.19 ± 3% -1.6 18.56 ± 2% perf-profile.children.cycles-pp.lru_add_drain_cpu 17.60 -1.2 16.37 perf-profile.children.cycles-pp.do_vmi_munmap 17.63 -1.2 16.40 perf-profile.children.cycles-pp.__x64_sys_munmap 17.62 -1.2 16.39 perf-profile.children.cycles-pp.__vm_munmap 17.38 -1.2 16.16 perf-profile.children.cycles-pp.do_vmi_align_munmap 15.65 ± 2% -1.2 14.50 perf-profile.children.cycles-pp.unmap_region 15.04 ± 2% -1.1 13.91 ± 2% perf-profile.children.cycles-pp.zap_page_range_single 14.24 ± 2% -1.1 13.19 perf-profile.children.cycles-pp.folios_put_refs 36.59 -1.0 35.58 perf-profile.children.cycles-pp.__munmap 12.71 ± 2% -1.0 11.72 perf-profile.children.cycles-pp.__page_cache_release 7.75 -0.6 7.13 perf-profile.children.cycles-pp.tlb_finish_mmu 7.33 ± 2% -0.6 6.72 ± 2% perf-profile.children.cycles-pp.free_pages_and_swap_cache 7.44 -0.6 6.82 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 7.39 ± 2% -0.6 6.83 ± 2% perf-profile.children.cycles-pp.madvise_pageout 6.95 ± 3% -0.6 6.38 ± 2% perf-profile.children.cycles-pp.walk_p4d_range 7.10 ± 2% -0.6 6.54 ± 2% perf-profile.children.cycles-pp.walk_page_range 6.98 ± 2% -0.6 6.42 ± 2% perf-profile.children.cycles-pp.walk_pgd_range 6.99 ± 3% -0.6 6.43 ± 2% perf-profile.children.cycles-pp.__walk_page_range 6.92 ± 3% -0.6 6.36 ± 2% perf-profile.children.cycles-pp.walk_pud_range 6.88 ± 3% -0.6 6.32 ± 2% perf-profile.children.cycles-pp.madvise_cold_or_pageout_pte_range 6.90 ± 3% -0.6 6.34 ± 2% perf-profile.children.cycles-pp.walk_pmd_range 6.55 ± 3% -0.6 6.00 ± 2% perf-profile.children.cycles-pp.folio_isolate_lru 7.84 -0.5 7.30 perf-profile.children.cycles-pp.shmem_evict_inode 7.73 -0.5 7.18 perf-profile.children.cycles-pp.shmem_undo_range 6.28 ± 3% -0.5 5.75 ± 2% perf-profile.children.cycles-pp.folio_lruvec_lock_irq 6.30 ± 3% -0.5 5.78 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irq 7.50 ± 2% -0.5 7.02 perf-profile.children.cycles-pp.truncate_inode_pages_range 6.62 -0.2 6.47 perf-profile.children.cycles-pp.stress_fault 5.72 -0.1 5.60 perf-profile.children.cycles-pp.asm_exc_page_fault 2.28 -0.1 2.15 perf-profile.children.cycles-pp.__do_softirq 2.26 -0.1 2.14 perf-profile.children.cycles-pp.rcu_do_batch 2.26 -0.1 2.15 perf-profile.children.cycles-pp.rcu_core 2.12 -0.1 2.01 perf-profile.children.cycles-pp.irq_exit_rcu 2.00 -0.1 1.91 perf-profile.children.cycles-pp.kmem_cache_free 0.25 ± 2% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.vfs_fallocate 2.34 -0.1 2.25 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 4.17 -0.1 4.08 perf-profile.children.cycles-pp.exc_page_fault 2.32 -0.1 2.23 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.29 ± 2% -0.1 0.20 perf-profile.children.cycles-pp.__x64_sys_fallocate 4.14 -0.1 4.05 perf-profile.children.cycles-pp.do_user_addr_fault 0.42 ± 3% -0.1 0.34 ± 2% perf-profile.children.cycles-pp.posix_fallocate64 3.60 -0.1 3.53 perf-profile.children.cycles-pp.handle_mm_fault 1.70 ± 2% -0.1 1.63 perf-profile.children.cycles-pp.alloc_inode 2.96 -0.1 2.90 perf-profile.children.cycles-pp.do_fault 0.17 ± 3% -0.1 0.11 ± 3% perf-profile.children.cycles-pp.rw_verify_area 1.03 -0.0 0.99 perf-profile.children.cycles-pp.__slab_free 0.92 -0.0 0.88 perf-profile.children.cycles-pp.simple_write_begin 0.64 ± 2% -0.0 0.59 perf-profile.children.cycles-pp.inode_init_always 1.16 -0.0 1.12 perf-profile.children.cycles-pp.generic_perform_write 0.46 ± 3% -0.0 0.42 ± 2% perf-profile.children.cycles-pp.mnt_want_write 0.84 -0.0 0.80 perf-profile.children.cycles-pp.__filemap_get_folio 1.12 -0.0 1.08 perf-profile.children.cycles-pp.perf_event_mmap 1.08 -0.0 1.05 perf-profile.children.cycles-pp.perf_event_mmap_event 0.15 -0.0 0.12 ± 3% perf-profile.children.cycles-pp.__fsnotify_parent 0.23 ± 3% -0.0 0.20 ± 2% perf-profile.children.cycles-pp.may_open 0.58 -0.0 0.55 perf-profile.children.cycles-pp.mas_prev_slot 0.28 -0.0 0.26 ± 4% perf-profile.children.cycles-pp.__count_memcg_events 0.45 ± 2% -0.0 0.42 ± 2% perf-profile.children.cycles-pp.filemap_add_folio 0.18 ± 2% -0.0 0.15 ± 4% perf-profile.children.cycles-pp.security_inode_alloc 0.57 -0.0 0.54 perf-profile.children.cycles-pp.__cond_resched 0.26 -0.0 0.24 ± 2% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.68 -0.0 0.66 perf-profile.children.cycles-pp.flush_tlb_mm_range 0.32 ± 2% -0.0 0.30 perf-profile.children.cycles-pp.generic_file_mmap 0.14 ± 3% -0.0 0.12 ± 7% perf-profile.children.cycles-pp.mem_cgroup_commit_charge 0.31 ± 2% -0.0 0.29 ± 2% perf-profile.children.cycles-pp.touch_atime 0.50 ± 2% -0.0 0.48 perf-profile.children.cycles-pp.mas_rev_awalk 0.32 -0.0 0.30 ± 2% perf-profile.children.cycles-pp.alloc_pages_mpol 0.22 ± 2% -0.0 0.20 ± 2% perf-profile.children.cycles-pp.shmem_alloc_folio 0.17 ± 2% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.fsnotify 0.12 ± 4% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.blk_finish_plug 0.42 -0.0 0.40 perf-profile.children.cycles-pp.entry_SYSCALL_64 0.17 ± 2% -0.0 0.15 ± 2% perf-profile.children.cycles-pp.folio_alloc 0.31 -0.0 0.30 perf-profile.children.cycles-pp.mas_ascend 0.18 ± 2% -0.0 0.17 perf-profile.children.cycles-pp.fsnotify_grab_connector 0.10 ± 4% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.kfree 0.19 ± 2% -0.0 0.18 perf-profile.children.cycles-pp.xas_start 0.64 -0.0 0.62 perf-profile.children.cycles-pp.lru_add_fn 0.09 ± 4% -0.0 0.08 perf-profile.children.cycles-pp.prepend_path 0.14 ± 3% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.simple_getattr 0.20 ± 2% -0.0 0.19 ± 2% perf-profile.children.cycles-pp.fsnotify_destroy_marks 0.06 ± 6% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.get_mem_cgroup_from_mm 0.08 ± 9% +0.0 0.10 ± 5% perf-profile.children.cycles-pp.security_current_getsecid_subj 0.10 ± 7% +0.0 0.12 perf-profile.children.cycles-pp.security_file_post_open 0.09 ± 6% +0.0 0.12 ± 4% perf-profile.children.cycles-pp.ima_file_check 0.02 ± 99% +0.0 0.06 perf-profile.children.cycles-pp.__x64_sys_fcntl 0.55 ± 2% +0.1 0.62 ± 2% perf-profile.children.cycles-pp.inode_wait_for_writeback 91.01 +0.2 91.25 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 18.74 +0.2 18.98 perf-profile.children.cycles-pp.syscall_exit_to_user_mode 90.84 +0.2 91.08 perf-profile.children.cycles-pp.do_syscall_64 0.00 +0.2 0.24 ± 3% perf-profile.children.cycles-pp.file_start_write_area 18.34 +0.2 18.59 perf-profile.children.cycles-pp.task_work_run 17.46 +0.3 17.72 perf-profile.children.cycles-pp.dput 17.25 +0.3 17.50 perf-profile.children.cycles-pp.__dentry_kill 18.09 +0.3 18.35 perf-profile.children.cycles-pp.__fput 1.98 +0.3 2.25 perf-profile.children.cycles-pp.__libc_pwrite 1.82 +0.3 2.10 perf-profile.children.cycles-pp.vfs_write 1.82 +0.3 2.10 perf-profile.children.cycles-pp.__x64_sys_pwrite64 8.38 +0.9 9.29 ± 2% perf-profile.children.cycles-pp.unlink 8.21 +0.9 9.13 ± 2% perf-profile.children.cycles-pp.__x64_sys_unlink 8.04 +0.9 8.96 ± 2% perf-profile.children.cycles-pp.do_unlinkat 21.35 +1.3 22.65 perf-profile.children.cycles-pp.evict 8.11 ± 5% +2.0 10.10 ± 3% perf-profile.children.cycles-pp.new_inode 8.36 ± 5% +2.3 10.64 ± 6% perf-profile.children.cycles-pp.do_sys_openat2 8.37 ± 5% +2.3 10.65 ± 6% perf-profile.children.cycles-pp.__x64_sys_openat 8.55 ± 5% +2.3 10.83 ± 6% perf-profile.children.cycles-pp.open64 7.99 ± 5% +2.3 10.28 ± 6% perf-profile.children.cycles-pp.path_openat 8.02 ± 5% +2.3 10.31 ± 6% perf-profile.children.cycles-pp.do_filp_open 6.00 ± 6% +2.3 8.33 ± 7% perf-profile.children.cycles-pp.open_last_lookups 5.54 ± 6% +2.4 7.92 ± 8% perf-profile.children.cycles-pp.lookup_open 4.54 ± 7% +2.4 6.93 ± 9% perf-profile.children.cycles-pp.ramfs_mknod 4.40 ± 7% +2.4 6.79 ± 9% perf-profile.children.cycles-pp.ramfs_get_inode 12.62 ± 6% +4.4 16.99 ± 4% perf-profile.children.cycles-pp._raw_spin_lock 1.00 -0.0 0.95 perf-profile.self.cycles-pp.__slab_free 0.10 ± 4% -0.0 0.06 perf-profile.self.cycles-pp.vfs_fallocate 1.25 -0.0 1.21 perf-profile.self.cycles-pp.stress_fault 0.44 ± 5% -0.0 0.41 ± 4% perf-profile.self.cycles-pp.apparmor_file_alloc_security 0.14 ± 3% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.__fsnotify_parent 0.26 -0.0 0.23 ± 4% perf-profile.self.cycles-pp.__count_memcg_events 0.25 -0.0 0.23 ± 2% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.17 -0.0 0.15 perf-profile.self.cycles-pp.fsnotify 0.21 -0.0 0.19 perf-profile.self.cycles-pp.mas_prev_slot 0.35 -0.0 0.34 perf-profile.self.cycles-pp.__cond_resched 0.17 ± 2% -0.0 0.16 perf-profile.self.cycles-pp.xas_start 0.12 ± 4% -0.0 0.11 ± 4% perf-profile.self.cycles-pp.__srcu_read_lock 0.13 -0.0 0.12 perf-profile.self.cycles-pp.entry_SYSCALL_64 0.09 -0.0 0.08 perf-profile.self.cycles-pp.mas_store_gfp 0.07 -0.0 0.06 perf-profile.self.cycles-pp.unmap_region 0.06 ± 6% +0.0 0.07 perf-profile.self.cycles-pp.get_mem_cgroup_from_mm 0.15 ± 3% +0.0 0.19 perf-profile.self.cycles-pp.ramfs_get_inode 0.12 ± 3% +0.1 0.26 ± 2% perf-profile.self.cycles-pp.vfs_write 1.60 ± 2% +0.2 1.76 perf-profile.self.cycles-pp._raw_spin_lock 0.00 +0.2 0.22 ± 3% perf-profile.self.cycles-pp.file_start_write_area 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