Hello,
kernel test robot noticed a 8.2% improvement of stress-ng.shm-sysv.ops_per_sec on:
commit: 631426ba1d45a8672b177ee85ad4cabe760dd131 ("mm/madvise: make MADV_POPULATE_(READ|WRITE) handle VM_FAULT_RETRY properly")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: stress-ng
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: shm-sysv
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240430/202404301149.2850aac-oliver.sang@xxxxxxxxx
=========================================================================================
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-spr-r02/shm-sysv/stress-ng/60s
commit:
v6.9-rc4
631426ba1d ("mm/madvise: make MADV_POPULATE_(READ|WRITE) handle VM_FAULT_RETRY properly")
v6.9-rc4 631426ba1d45a8672b177ee85ad
---------------- ---------------------------
%stddev %change %stddev
\ | \
5394576 +12.4% 6065916 ± 2% cpuidle..usage
301458 ± 8% -15.9% 253467 ± 5% numa-meminfo.node0.SUnreclaim
75427 ± 8% -16.0% 63343 ± 4% numa-vmstat.node0.nr_slab_unreclaimable
155389 +12.6% 174982 vmstat.system.cs
3610346 ± 6% -11.0% 3213619 sched_debug.cfs_rq:/.avg_vruntime.min
3610346 ± 6% -11.0% 3213619 sched_debug.cfs_rq:/.min_vruntime.min
22086 +11.9% 24711 sched_debug.cpu.nr_switches.avg
185.25 ± 10% +59.6% 295.75 ± 44% sched_debug.cpu.nr_uninterruptible.max
84.67 ± 6% +33.7% 113.22 ± 22% sched_debug.cpu.nr_uninterruptible.stddev
1800984 +17.4% 2113826 stress-ng.shm-sysv.nanosecs_per_shmdt_call
478970 +8.1% 517685 stress-ng.shm-sysv.ops
8047 +8.2% 8706 stress-ng.shm-sysv.ops_per_sec
208527 +22.4% 255186 stress-ng.time.involuntary_context_switches
6.355e+08 +8.0% 6.864e+08 stress-ng.time.minor_page_faults
19049 -1.4% 18777 stress-ng.time.percent_of_cpu_this_job_got
11326 -1.5% 11153 stress-ng.time.system_time
156.02 +6.3% 165.84 stress-ng.time.user_time
4855836 +10.3% 5358096 stress-ng.time.voluntary_context_switches
1329171 +2.0% 1355214 proc-vmstat.nr_file_pages
702918 +4.8% 736877 proc-vmstat.nr_inactive_anon
560179 +4.6% 586223 proc-vmstat.nr_shmem
43521 -6.0% 40920 proc-vmstat.nr_slab_reclaimable
132019 -4.7% 125797 proc-vmstat.nr_slab_unreclaimable
702919 +4.8% 736878 proc-vmstat.nr_zone_inactive_anon
6.371e+08 +8.0% 6.883e+08 proc-vmstat.numa_hit
6.363e+08 +8.0% 6.875e+08 proc-vmstat.numa_local
60980733 +30.1% 79334617 proc-vmstat.pgactivate
6.367e+08 +8.0% 6.875e+08 proc-vmstat.pgalloc_normal
6.364e+08 +8.0% 6.873e+08 proc-vmstat.pgfault
6.356e+08 +8.0% 6.863e+08 proc-vmstat.pgfree
6.158e+08 +8.0% 6.651e+08 proc-vmstat.unevictable_pgs_scanned
5.96 +3.5% 6.17 perf-stat.i.MPKI
2.937e+10 +3.4% 3.038e+10 perf-stat.i.branch-instructions
64.43 +1.3 65.77 perf-stat.i.cache-miss-rate%
8.295e+08 +7.5% 8.921e+08 perf-stat.i.cache-misses
1.281e+09 +5.3% 1.349e+09 perf-stat.i.cache-references
160399 +11.6% 179016 perf-stat.i.context-switches
4.04 -6.1% 3.80 perf-stat.i.cpi
5.634e+11 -2.3% 5.505e+11 perf-stat.i.cpu-cycles
31426 +7.9% 33916 perf-stat.i.cpu-migrations
675.36 -9.3% 612.68 perf-stat.i.cycles-between-cache-misses
1.38e+11 +3.9% 1.434e+11 perf-stat.i.instructions
0.26 +6.7% 0.28 perf-stat.i.ipc
83.99 +5.4% 88.56 perf-stat.i.metric.K/sec
9516734 +4.5% 9947225 perf-stat.i.minor-faults
9524443 +4.5% 9955476 perf-stat.i.page-faults
6.02 +3.3% 6.22 perf-stat.overall.MPKI
64.24 +1.6 65.86 perf-stat.overall.cache-miss-rate%
4.08 -5.6% 3.85 perf-stat.overall.cpi
678.05 -8.6% 619.59 perf-stat.overall.cycles-between-cache-misses
0.25 +6.0% 0.26 perf-stat.overall.ipc
217255 -8.1% 199679 ± 3% perf-stat.ps.cpu-clock
5.393e+11 -9.3% 4.891e+11 ± 4% perf-stat.ps.cpu-cycles
217255 -8.1% 199680 ± 3% perf-stat.ps.task-clock
21.82 -21.8 0.00 perf-profile.calltrace.cycles-pp.faultin_vma_page_range.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64
19.69 -19.7 0.00 perf-profile.calltrace.cycles-pp.lru_add_drain.faultin_vma_page_range.madvise_vma_behavior.do_madvise.__x64_sys_madvise
19.69 -19.7 0.00 perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.faultin_vma_page_range.madvise_vma_behavior.do_madvise
19.68 -19.7 0.00 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.faultin_vma_page_range.madvise_vma_behavior
19.54 -19.5 0.00 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.faultin_vma_page_range
20.37 -18.8 1.59 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain
20.35 -18.8 1.58 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
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__madvise
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe
21.84 -17.6 4.26 perf-profile.calltrace.cycles-pp.__madvise
0.64 +0.0 0.67 perf-profile.calltrace.cycles-pp.shmem_add_to_page_cache.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault
0.67 +0.0 0.70 ± 2% perf-profile.calltrace.cycles-pp.alloc_pages_mpol.shmem_alloc_folio.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault
0.62 ± 2% +0.0 0.65 ± 2% perf-profile.calltrace.cycles-pp.__alloc_pages.alloc_pages_mpol.shmem_alloc_folio.shmem_alloc_and_add_folio.shmem_get_folio_gfp
0.52 ± 2% +0.0 0.56 ± 3% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages.alloc_pages_mpol.shmem_alloc_folio.shmem_alloc_and_add_folio
0.71 +0.0 0.75 ± 2% perf-profile.calltrace.cycles-pp.shmem_alloc_folio.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault
0.55 +0.0 0.59 perf-profile.calltrace.cycles-pp.sync_regs.asm_exc_page_fault.stress_shm_sysv_child
0.73 +0.0 0.78 perf-profile.calltrace.cycles-pp.clear_page_erms.shmem_get_folio_gfp.shmem_fault.__do_fault.do_fault
0.57 +0.1 0.63 perf-profile.calltrace.cycles-pp.truncate_inode_folio.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill
0.60 +0.1 0.67 ± 2% perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit
0.64 +0.1 0.74 perf-profile.calltrace.cycles-pp.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm.copy_process
0.88 +0.1 1.02 ± 2% perf-profile.calltrace.cycles-pp.anon_vma_fork.dup_mmap.dup_mm.copy_process.kernel_clone
0.83 +0.2 1.05 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.unmap_region
0.84 +0.2 1.06 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.unmap_region.do_vmi_align_munmap
0.84 +0.2 1.06 perf-profile.calltrace.cycles-pp.lru_add_drain.unmap_region.do_vmi_align_munmap.do_vma_munmap.ksys_shmdt
0.84 +0.2 1.06 perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.unmap_region.do_vmi_align_munmap.do_vma_munmap
1.64 +0.2 1.88 ± 2% perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone
1.79 +0.2 2.04 ± 2% perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64
1.87 +0.3 2.13 ± 2% perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.95 +0.3 2.22 ± 2% perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
1.95 +0.3 2.22 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
1.95 +0.3 2.22 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe._Fork
1.95 +0.3 2.22 ± 2% perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
2.01 +0.3 2.29 ± 2% perf-profile.calltrace.cycles-pp._Fork
1.48 +0.4 1.85 perf-profile.calltrace.cycles-pp.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault.do_read_fault
1.72 +0.4 2.11 perf-profile.calltrace.cycles-pp.__do_fault.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault
1.72 +0.4 2.11 perf-profile.calltrace.cycles-pp.shmem_get_folio_gfp.shmem_fault.__do_fault.do_read_fault.do_fault
1.72 +0.4 2.11 perf-profile.calltrace.cycles-pp.shmem_fault.__do_fault.do_read_fault.do_fault.__handle_mm_fault
1.76 +0.4 2.15 perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages
2.06 ± 7% +0.4 2.51 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages
2.06 ± 7% +0.4 2.51 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.free_pages_and_swap_cache
2.07 ± 6% +0.4 2.52 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu
2.14 ± 6% +0.5 2.60 perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap
2.18 ± 6% +0.5 2.64 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm
2.18 ± 6% +0.5 2.64 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput
2.18 ± 6% +0.5 2.65 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit
0.00 +0.5 0.52 ± 2% perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput.exit_mm
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.exit_mmap
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.lru_add_drain.exit_mmap.__mmput
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.lru_add_drain.exit_mmap.__mmput.exit_mm.do_exit
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.lru_add_drain.exit_mmap.__mmput.exit_mm
3.88 ± 3% +0.7 4.60 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.88 ± 3% +0.7 4.60 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
3.87 ± 3% +0.7 4.59 perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.87 ± 3% +0.7 4.59 perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.87 ± 3% +0.7 4.59 perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.77 ± 3% +0.7 4.48 perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit
3.77 ± 3% +0.7 4.49 perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group
3.77 ± 3% +0.7 4.49 perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
1.93 +1.1 3.00 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed.zap_present_ptes
1.93 +1.1 3.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed
1.93 +1.1 3.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate
2.02 +1.1 3.10 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_activate.folio_mark_accessed.zap_present_ptes.zap_pte_range
2.02 +1.1 3.10 perf-profile.calltrace.cycles-pp.folio_activate.folio_mark_accessed.zap_present_ptes.zap_pte_range.zap_pmd_range
2.22 +1.1 3.35 perf-profile.calltrace.cycles-pp.folio_mark_accessed.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range
2.54 +1.2 3.72 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
2.97 +1.3 4.25 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap
2.97 +1.3 4.26 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vma_munmap
2.96 +1.3 4.25 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region
2.97 +1.3 4.26 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vma_munmap.ksys_shmdt
4.86 +1.3 6.20 perf-profile.calltrace.cycles-pp.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt
4.86 +1.3 6.20 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt
3.82 +1.5 5.34 perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vma_munmap.ksys_shmdt.do_syscall_64
4.04 +1.6 5.59 perf-profile.calltrace.cycles-pp.do_vma_munmap.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt
4.04 +1.6 5.59 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vma_munmap.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.08 +1.6 5.63 perf-profile.calltrace.cycles-pp.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt
0.00 +1.8 1.82 perf-profile.calltrace.cycles-pp.__do_fault.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages
8.96 +2.9 11.84 perf-profile.calltrace.cycles-pp.shmdt
8.95 +2.9 11.84 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt
8.95 +2.9 11.84 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmdt
15.46 +3.8 19.31 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl
15.46 +3.8 19.30 perf-profile.calltrace.cycles-pp.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl
0.00 +4.0 4.03 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages.faultin_page_range
0.00 +4.1 4.06 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.__get_user_pages.faultin_page_range.madvise_vma_behavior
0.00 +4.1 4.07 perf-profile.calltrace.cycles-pp.handle_mm_fault.__get_user_pages.faultin_page_range.madvise_vma_behavior.do_madvise
21.28 +4.2 25.44 perf-profile.calltrace.cycles-pp.__do_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
0.00 +4.2 4.18 perf-profile.calltrace.cycles-pp.__get_user_pages.faultin_page_range.madvise_vma_behavior.do_madvise.__x64_sys_madvise
22.07 +4.2 26.29 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
22.46 +4.2 26.70 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
0.00 +4.3 4.26 perf-profile.calltrace.cycles-pp.faultin_page_range.madvise_vma_behavior.do_madvise.__x64_sys_madvise.do_syscall_64
22.75 +4.3 27.02 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.stress_shm_sysv_child
23.28 +4.3 27.59 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.stress_shm_sysv_child
23.32 +4.3 27.63 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.stress_shm_sysv_child
25.52 +4.5 30.01 perf-profile.calltrace.cycles-pp.stress_shm_sysv_child
26.13 +4.5 30.66 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.stress_shm_sysv_child
18.50 +5.0 23.47 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.shmem_undo_range
18.50 +5.0 23.47 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.shmem_undo_range.shmem_evict_inode
17.84 +5.0 22.82 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.check_move_unevictable_folios.shmem_unlock_mapping
17.87 +5.0 22.85 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.check_move_unevictable_folios.shmem_unlock_mapping.shmctl_do_lock
17.88 +5.0 22.86 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.check_move_unevictable_folios.shmem_unlock_mapping.shmctl_do_lock.ksys_shmctl
18.65 +5.0 23.65 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.shmem_undo_range.shmem_evict_inode.evict
18.08 +5.0 23.10 perf-profile.calltrace.cycles-pp.check_move_unevictable_folios.shmem_unlock_mapping.shmctl_do_lock.ksys_shmctl.do_syscall_64
19.17 +5.1 24.23 perf-profile.calltrace.cycles-pp.folios_put_refs.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill
18.76 +5.2 23.92 perf-profile.calltrace.cycles-pp.shmem_unlock_mapping.shmctl_do_lock.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe
18.78 +5.2 23.94 perf-profile.calltrace.cycles-pp.shmctl_do_lock.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl
20.29 +5.2 25.47 perf-profile.calltrace.cycles-pp.__dentry_kill.dput.__fput.task_work_run.syscall_exit_to_user_mode
20.29 +5.2 25.47 perf-profile.calltrace.cycles-pp.dput.__fput.task_work_run.syscall_exit_to_user_mode.do_syscall_64
20.28 +5.2 25.46 perf-profile.calltrace.cycles-pp.evict.__dentry_kill.dput.__fput.task_work_run
20.27 +5.2 25.45 perf-profile.calltrace.cycles-pp.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill.dput
20.28 +5.2 25.46 perf-profile.calltrace.cycles-pp.shmem_evict_inode.evict.__dentry_kill.dput.__fput
20.31 +5.2 25.49 perf-profile.calltrace.cycles-pp.__fput.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.09 +5.2 24.28 perf-profile.calltrace.cycles-pp.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl
20.52 +5.4 25.95 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs
18.42 +5.5 23.92 perf-profile.calltrace.cycles-pp.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault.do_fault
17.33 +5.5 22.87 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru
17.35 +5.5 22.89 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.shmem_alloc_and_add_folio.shmem_get_folio_gfp
17.35 +5.5 22.89 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.shmem_alloc_and_add_folio
17.76 +5.6 23.38 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_add_lru.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault
17.81 +5.6 23.44 perf-profile.calltrace.cycles-pp.folio_add_lru.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_fault.__do_fault
21.20 +6.0 27.16 perf-profile.calltrace.cycles-pp.shmem_get_folio_gfp.shmem_fault.__do_fault.do_fault.__handle_mm_fault
21.25 +6.0 27.22 perf-profile.calltrace.cycles-pp.shmem_fault.__do_fault.do_fault.__handle_mm_fault.handle_mm_fault
34.55 +9.0 43.59 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl
34.55 +9.0 43.60 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmctl
34.57 +9.0 43.62 perf-profile.calltrace.cycles-pp.shmctl
21.82 -21.8 0.00 perf-profile.children.cycles-pp.faultin_vma_page_range
21.15 -19.2 1.94 perf-profile.children.cycles-pp.lru_add_drain
21.36 -19.2 2.16 perf-profile.children.cycles-pp.lru_add_drain_cpu
21.84 -17.6 4.26 perf-profile.children.cycles-pp.__x64_sys_madvise
21.84 -17.6 4.26 perf-profile.children.cycles-pp.do_madvise
21.84 -17.6 4.26 perf-profile.children.cycles-pp.madvise_vma_behavior
21.84 -17.6 4.26 perf-profile.children.cycles-pp.__madvise
41.38 -12.4 28.96 perf-profile.children.cycles-pp.folio_batch_move_lru
61.27 -6.9 54.34 perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave
61.71 -6.9 54.82 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
72.45 -4.5 67.90 perf-profile.children.cycles-pp.do_syscall_64
72.45 -4.5 67.91 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
79.47 -1.9 77.57 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
0.18 ± 7% -0.1 0.10 ± 12% perf-profile.children.cycles-pp.smpboot_thread_fn
0.17 ± 7% -0.1 0.09 ± 15% perf-profile.children.cycles-pp.run_ksoftirqd
0.22 ± 5% -0.1 0.15 ± 10% perf-profile.children.cycles-pp.kthread
0.26 ± 5% -0.1 0.20 ± 8% perf-profile.children.cycles-pp.ret_from_fork_asm
0.26 ± 4% -0.1 0.20 ± 6% perf-profile.children.cycles-pp.ret_from_fork
0.26 ± 6% -0.0 0.22 ± 7% perf-profile.children.cycles-pp.rcu_do_batch
0.30 ± 5% -0.0 0.27 ± 6% perf-profile.children.cycles-pp.__do_softirq
0.14 -0.0 0.13 ± 2% perf-profile.children.cycles-pp.__dquot_alloc_space
0.07 -0.0 0.06 perf-profile.children.cycles-pp.inode_add_bytes
0.06 -0.0 0.05 perf-profile.children.cycles-pp.mem_cgroup_update_lru_size
0.14 +0.0 0.15 perf-profile.children.cycles-pp.handle_pte_fault
0.14 +0.0 0.15 perf-profile.children.cycles-pp.lock_mm_and_find_vma
0.10 +0.0 0.11 perf-profile.children.cycles-pp.pte_offset_map_nolock
0.10 +0.0 0.11 perf-profile.children.cycles-pp.try_charge_memcg
0.05 +0.0 0.06 perf-profile.children.cycles-pp.folio_mark_dirty
0.05 +0.0 0.06 perf-profile.children.cycles-pp.page_counter_uncharge
0.07 +0.0 0.08 perf-profile.children.cycles-pp.find_idlest_cpu
0.07 +0.0 0.08 perf-profile.children.cycles-pp.xas_descend
0.12 +0.0 0.13 perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios
0.18 +0.0 0.19 perf-profile.children.cycles-pp.__slab_free
0.08 +0.0 0.09 perf-profile.children.cycles-pp.__vm_area_free
0.06 +0.0 0.07 perf-profile.children.cycles-pp.fput
0.09 +0.0 0.10 perf-profile.children.cycles-pp.up_read
0.08 +0.0 0.09 perf-profile.children.cycles-pp.wake_up_new_task
0.07 ± 6% +0.0 0.08 ± 5% perf-profile.children.cycles-pp.intel_idle
0.12 ± 3% +0.0 0.13 perf-profile.children.cycles-pp.do_mmap
0.12 +0.0 0.13 ± 2% perf-profile.children.cycles-pp.cgroup_rstat_updated
0.13 ± 2% +0.0 0.14 ± 3% perf-profile.children.cycles-pp.__free_one_page
0.10 +0.0 0.11 ± 4% perf-profile.children.cycles-pp.mmap_region
0.10 ± 4% +0.0 0.11 perf-profile.children.cycles-pp.select_task_rq_fair
0.21 +0.0 0.22 perf-profile.children.cycles-pp.___perf_sw_event
0.12 +0.0 0.13 ± 3% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
0.14 ± 2% +0.0 0.15 ± 3% perf-profile.children.cycles-pp.filemap_map_pages
0.08 +0.0 0.10 ± 5% perf-profile.children.cycles-pp.shmctl_down
0.14 +0.0 0.16 ± 3% perf-profile.children.cycles-pp.tlb_flush_rmap_batch
0.14 +0.0 0.16 ± 3% perf-profile.children.cycles-pp.tlb_flush_rmaps
0.11 ± 3% +0.0 0.13 ± 5% perf-profile.children.cycles-pp.__count_memcg_events
0.24 +0.0 0.26 perf-profile.children.cycles-pp.__perf_sw_event
0.19 +0.0 0.21 perf-profile.children.cycles-pp.lock_vma_under_rcu
0.14 ± 2% +0.0 0.16 ± 2% perf-profile.children.cycles-pp.mod_objcg_state
0.16 +0.0 0.18 perf-profile.children.cycles-pp.__pte_offset_map_lock
0.30 +0.0 0.32 perf-profile.children.cycles-pp._raw_spin_lock
0.21 +0.0 0.23 ± 2% perf-profile.children.cycles-pp.vm_area_dup
0.24 ± 2% +0.0 0.26 perf-profile.children.cycles-pp.xas_store
0.10 +0.0 0.12 ± 3% perf-profile.children.cycles-pp.wake_up_q
0.12 ± 4% +0.0 0.14 ± 2% perf-profile.children.cycles-pp.try_to_wake_up
0.17 ± 3% +0.0 0.20 ± 3% perf-profile.children.cycles-pp.cpuidle_enter
0.17 ± 3% +0.0 0.20 ± 3% perf-profile.children.cycles-pp.cpuidle_enter_state
0.23 +0.0 0.26 perf-profile.children.cycles-pp.folio_add_file_rmap_ptes
0.27 +0.0 0.30 perf-profile.children.cycles-pp.filemap_unaccount_folio
0.18 ± 4% +0.0 0.21 ± 4% perf-profile.children.cycles-pp.cpuidle_idle_call
0.17 ± 2% +0.0 0.20 ± 2% perf-profile.children.cycles-pp.__shm_close
0.28 +0.0 0.30 perf-profile.children.cycles-pp.kmem_cache_alloc
0.09 ± 5% +0.0 0.12 perf-profile.children.cycles-pp.workingset_age_nonresident
0.16 +0.0 0.19 ± 2% perf-profile.children.cycles-pp.rwsem_wake
0.30 +0.0 0.33 ± 2% perf-profile.children.cycles-pp.anon_vma_interval_tree_insert
0.25 +0.0 0.28 perf-profile.children.cycles-pp.filemap_get_folios_tag
0.33 +0.0 0.36 perf-profile.children.cycles-pp.set_pte_range
0.26 +0.0 0.30 ± 4% perf-profile.children.cycles-pp.__mem_cgroup_charge
0.30 +0.0 0.33 ± 2% perf-profile.children.cycles-pp.fault_dirty_shared_page
0.26 +0.0 0.30 perf-profile.children.cycles-pp.__mod_node_page_state
0.27 ± 3% +0.0 0.31 ± 3% perf-profile.children.cycles-pp.common_startup_64
0.27 ± 3% +0.0 0.31 ± 3% perf-profile.children.cycles-pp.cpu_startup_entry
0.27 ± 3% +0.0 0.31 ± 3% perf-profile.children.cycles-pp.do_idle
0.56 +0.0 0.61 perf-profile.children.cycles-pp.native_irq_return_iret
0.26 ± 2% +0.0 0.30 ± 4% perf-profile.children.cycles-pp.start_secondary
0.23 ± 2% +0.0 0.27 ± 3% perf-profile.children.cycles-pp.rwsem_spin_on_owner
0.35 +0.0 0.39 perf-profile.children.cycles-pp.__mod_lruvec_state
0.57 +0.0 0.61 perf-profile.children.cycles-pp.sync_regs
0.10 ± 4% +0.0 0.14 perf-profile.children.cycles-pp.workingset_activation
0.27 +0.0 0.32 ± 2% perf-profile.children.cycles-pp.find_lock_entries
0.32 +0.0 0.36 perf-profile.children.cycles-pp.ipcget
0.25 ± 2% +0.0 0.30 perf-profile.children.cycles-pp.remove_vma
0.32 +0.0 0.36 ± 2% perf-profile.children.cycles-pp.__x64_sys_shmget
0.45 +0.0 0.50 perf-profile.children.cycles-pp.finish_fault
0.33 +0.0 0.37 ± 2% perf-profile.children.cycles-pp.shmget
0.75 +0.0 0.80 perf-profile.children.cycles-pp.shmem_add_to_page_cache
0.36 ± 4% +0.0 0.41 ± 5% perf-profile.children.cycles-pp.rmqueue_bulk
0.00 +0.1 0.05 perf-profile.children.cycles-pp.activate_task
0.00 +0.1 0.05 perf-profile.children.cycles-pp.follow_page_pte
0.00 +0.1 0.05 perf-profile.children.cycles-pp.percpu_counter_add_batch
0.48 +0.1 0.53 perf-profile.children.cycles-pp.__filemap_remove_folio
0.13 ± 4% +0.1 0.18 ± 4% perf-profile.children.cycles-pp.irq_exit_rcu
0.34 +0.1 0.39 perf-profile.children.cycles-pp.__x64_sys_shmat
0.34 +0.1 0.39 perf-profile.children.cycles-pp.do_shmat
0.27 +0.1 0.32 ± 2% perf-profile.children.cycles-pp.up_write
0.40 ± 3% +0.1 0.45 ± 4% perf-profile.children.cycles-pp.__rmqueue_pcplist
0.51 ± 2% +0.1 0.56 ± 4% perf-profile.children.cycles-pp.rmqueue
0.50 +0.1 0.56 perf-profile.children.cycles-pp.__mod_memcg_lruvec_state
0.35 +0.1 0.41 ± 2% perf-profile.children.cycles-pp.shmat
0.47 +0.1 0.52 perf-profile.children.cycles-pp.unlink_anon_vmas
0.38 ± 2% +0.1 0.44 ± 2% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
0.42 +0.1 0.47 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
0.82 +0.1 0.87 ± 2% perf-profile.children.cycles-pp.shmem_alloc_folio
0.61 +0.1 0.67 perf-profile.children.cycles-pp.filemap_remove_folio
0.61 +0.1 0.68 ± 2% perf-profile.children.cycles-pp.free_pgtables
0.66 ± 2% +0.1 0.73 ± 3% perf-profile.children.cycles-pp.get_page_from_freelist
0.85 +0.1 0.92 ± 2% perf-profile.children.cycles-pp.alloc_pages_mpol
0.79 +0.1 0.86 ± 2% perf-profile.children.cycles-pp.__alloc_pages
0.76 +0.1 0.83 perf-profile.children.cycles-pp.truncate_inode_folio
0.84 +0.1 0.93 perf-profile.children.cycles-pp.clear_page_erms
0.39 ± 2% +0.1 0.47 perf-profile.children.cycles-pp.__folio_batch_release
0.24 ± 2% +0.1 0.32 ± 7% perf-profile.children.cycles-pp.tlb_flush_mmu
0.88 +0.1 0.98 perf-profile.children.cycles-pp.__lruvec_stat_mod_folio
0.64 +0.1 0.74 perf-profile.children.cycles-pp.anon_vma_clone
0.30 ± 4% +0.1 0.39 ± 6% perf-profile.children.cycles-pp.osq_lock
0.88 +0.1 1.02 ± 2% perf-profile.children.cycles-pp.anon_vma_fork
0.57 ± 3% +0.1 0.72 ± 4% perf-profile.children.cycles-pp.rwsem_optimistic_spin
0.81 ± 2% +0.2 0.97 ± 2% perf-profile.children.cycles-pp.rwsem_down_write_slowpath
1.05 +0.2 1.24 ± 2% perf-profile.children.cycles-pp.down_write
1.65 +0.2 1.88 ± 2% perf-profile.children.cycles-pp.dup_mmap
1.79 +0.2 2.04 ± 2% perf-profile.children.cycles-pp.dup_mm
1.87 +0.3 2.13 ± 2% perf-profile.children.cycles-pp.copy_process
1.95 +0.3 2.22 ± 2% perf-profile.children.cycles-pp.__do_sys_clone
1.95 +0.3 2.22 ± 2% perf-profile.children.cycles-pp.kernel_clone
2.02 +0.3 2.29 ± 2% perf-profile.children.cycles-pp._Fork
1.91 +0.4 2.32 perf-profile.children.cycles-pp.do_read_fault
2.19 ± 6% +0.5 2.66 perf-profile.children.cycles-pp.tlb_finish_mmu
2.42 ± 5% +0.6 2.98 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
2.42 ± 5% +0.6 2.98 perf-profile.children.cycles-pp.free_pages_and_swap_cache
3.77 ± 3% +0.7 4.49 perf-profile.children.cycles-pp.__mmput
3.77 ± 3% +0.7 4.49 perf-profile.children.cycles-pp.exit_mm
3.77 ± 3% +0.7 4.49 perf-profile.children.cycles-pp.exit_mmap
3.91 ± 3% +0.7 4.62 perf-profile.children.cycles-pp.__x64_sys_exit_group
3.90 ± 3% +0.7 4.62 perf-profile.children.cycles-pp.do_group_exit
3.90 ± 3% +0.7 4.62 perf-profile.children.cycles-pp.do_exit
2.03 +1.1 3.11 perf-profile.children.cycles-pp.folio_activate
2.23 +1.1 3.37 perf-profile.children.cycles-pp.folio_mark_accessed
2.75 +1.2 3.96 perf-profile.children.cycles-pp.zap_present_ptes
3.22 +1.3 4.54 perf-profile.children.cycles-pp.zap_pte_range
3.25 +1.3 4.58 perf-profile.children.cycles-pp.unmap_page_range
3.23 +1.3 4.56 perf-profile.children.cycles-pp.zap_pmd_range
3.28 +1.3 4.61 perf-profile.children.cycles-pp.unmap_vmas
3.84 +1.5 5.35 perf-profile.children.cycles-pp.unmap_region
4.09 +1.6 5.64 perf-profile.children.cycles-pp.do_vmi_align_munmap
4.04 +1.6 5.59 perf-profile.children.cycles-pp.do_vma_munmap
4.08 +1.6 5.63 perf-profile.children.cycles-pp.ksys_shmdt
2.13 +2.0 4.18 perf-profile.children.cycles-pp.__get_user_pages
8.96 +2.9 11.85 perf-profile.children.cycles-pp.shmdt
0.00 +4.3 4.26 perf-profile.children.cycles-pp.faultin_page_range
23.56 +4.3 27.90 perf-profile.children.cycles-pp.do_user_addr_fault
23.59 +4.3 27.94 perf-profile.children.cycles-pp.exc_page_fault
25.36 +4.5 29.84 perf-profile.children.cycles-pp.asm_exc_page_fault
26.09 +4.5 30.62 perf-profile.children.cycles-pp.stress_shm_sysv_child
17.90 +5.0 22.88 perf-profile.children.cycles-pp.folio_lruvec_lock_irq
18.08 +5.0 23.07 perf-profile.children.cycles-pp._raw_spin_lock_irq
18.09 +5.0 23.11 perf-profile.children.cycles-pp.check_move_unevictable_folios
18.78 +5.2 23.94 perf-profile.children.cycles-pp.shmctl_do_lock
18.76 +5.2 23.92 perf-profile.children.cycles-pp.shmem_unlock_mapping
20.28 +5.2 25.46 perf-profile.children.cycles-pp.shmem_evict_inode
20.28 +5.2 25.46 perf-profile.children.cycles-pp.evict
20.27 +5.2 25.45 perf-profile.children.cycles-pp.shmem_undo_range
20.30 +5.2 25.48 perf-profile.children.cycles-pp.dput
20.32 +5.2 25.51 perf-profile.children.cycles-pp.task_work_run
20.29 +5.2 25.47 perf-profile.children.cycles-pp.__dentry_kill
20.36 +5.2 25.55 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
20.31 +5.2 25.50 perf-profile.children.cycles-pp.__fput
19.09 +5.2 24.28 perf-profile.children.cycles-pp.ksys_shmctl
20.73 +5.4 26.18 perf-profile.children.cycles-pp.__page_cache_release
21.51 +5.5 27.03 perf-profile.children.cycles-pp.folios_put_refs
17.87 +5.6 23.50 perf-profile.children.cycles-pp.folio_add_lru
20.09 +5.8 25.86 perf-profile.children.cycles-pp.shmem_alloc_and_add_folio
23.21 +6.1 29.33 perf-profile.children.cycles-pp.shmem_fault
23.24 +6.1 29.36 perf-profile.children.cycles-pp.shmem_get_folio_gfp
23.25 +6.1 29.38 perf-profile.children.cycles-pp.__do_fault
24.26 +6.2 30.49 perf-profile.children.cycles-pp.do_fault
24.73 +6.3 31.00 perf-profile.children.cycles-pp.__handle_mm_fault
25.04 +6.3 31.33 perf-profile.children.cycles-pp.handle_mm_fault
34.58 +9.0 43.62 perf-profile.children.cycles-pp.shmctl
79.47 -1.9 77.57 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
0.14 ± 3% -0.0 0.13 perf-profile.self.cycles-pp.lru_add_fn
0.10 +0.0 0.11 perf-profile.self.cycles-pp.mas_walk
0.05 +0.0 0.06 perf-profile.self.cycles-pp.__mem_cgroup_charge
0.05 +0.0 0.06 perf-profile.self.cycles-pp.filemap_remove_folio
0.07 +0.0 0.08 perf-profile.self.cycles-pp.folio_unlock
0.06 +0.0 0.07 perf-profile.self.cycles-pp.do_fault
0.08 +0.0 0.09 perf-profile.self.cycles-pp.down_read_trylock
0.12 +0.0 0.13 perf-profile.self.cycles-pp.xas_store
0.16 +0.0 0.17 ± 2% perf-profile.self.cycles-pp.___perf_sw_event
0.09 +0.0 0.10 ± 3% perf-profile.self.cycles-pp.cgroup_rstat_updated
0.07 ± 6% +0.0 0.08 ± 5% perf-profile.self.cycles-pp.intel_idle
0.15 +0.0 0.16 ± 2% perf-profile.self.cycles-pp.shmem_alloc_and_add_folio
0.08 +0.0 0.09 ± 4% perf-profile.self.cycles-pp.dup_mmap
0.15 ± 2% +0.0 0.16 ± 2% perf-profile.self.cycles-pp.check_move_unevictable_folios
0.09 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.__count_memcg_events
0.13 ± 3% +0.0 0.15 ± 3% perf-profile.self.cycles-pp.get_page_from_freelist
0.13 ± 2% +0.0 0.15 ± 3% perf-profile.self.cycles-pp.rmqueue_bulk
0.11 ± 3% +0.0 0.12 ± 3% perf-profile.self.cycles-pp.folio_mark_accessed
0.28 +0.0 0.30 perf-profile.self.cycles-pp._raw_spin_lock
0.19 +0.0 0.21 ± 2% perf-profile.self.cycles-pp._raw_spin_lock_irq
0.22 +0.0 0.24 perf-profile.self.cycles-pp.down_write
0.17 ± 2% +0.0 0.19 perf-profile.self.cycles-pp.zap_present_ptes
0.11 +0.0 0.13 perf-profile.self.cycles-pp.up_write
0.26 +0.0 0.28 ± 2% perf-profile.self.cycles-pp.__handle_mm_fault
0.14 +0.0 0.16 ± 2% perf-profile.self.cycles-pp.anon_vma_clone
0.25 ± 2% +0.0 0.27 ± 2% perf-profile.self.cycles-pp.__lruvec_stat_mod_folio
0.22 ± 2% +0.0 0.24 ± 2% perf-profile.self.cycles-pp.filemap_get_folios_tag
0.25 +0.0 0.28 perf-profile.self.cycles-pp.__mod_node_page_state
0.09 ± 5% +0.0 0.12 perf-profile.self.cycles-pp.workingset_age_nonresident
0.30 +0.0 0.33 perf-profile.self.cycles-pp.anon_vma_interval_tree_insert
0.23 ± 2% +0.0 0.27 ± 2% perf-profile.self.cycles-pp.find_lock_entries
0.56 +0.0 0.61 perf-profile.self.cycles-pp.native_irq_return_iret
0.22 ± 2% +0.0 0.26 ± 3% perf-profile.self.cycles-pp.rwsem_spin_on_owner
0.42 +0.0 0.46 perf-profile.self.cycles-pp.__mod_memcg_lruvec_state
0.57 +0.0 0.61 perf-profile.self.cycles-pp.sync_regs
0.00 +0.1 0.05 perf-profile.self.cycles-pp.free_pcppages_bulk
0.00 +0.1 0.05 perf-profile.self.cycles-pp.lock_vma_under_rcu
0.84 +0.1 0.92 perf-profile.self.cycles-pp.clear_page_erms
0.30 ± 4% +0.1 0.39 ± 6% perf-profile.self.cycles-pp.osq_lock
1.54 +0.1 1.66 perf-profile.self.cycles-pp.stress_shm_sysv_child
2.20 +0.3 2.47 perf-profile.self.cycles-pp.shmem_get_folio_gfp
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
