[linus:master] [locking] c8afaa1b0f: stress-ng.zero.ops_per_sec 6.3% improvement
From: kernel test robot
Date: Tue Aug 15 2023 - 03:13:22 EST
Hello,
kernel test robot noticed a 6.3% improvement of stress-ng.zero.ops_per_sec on:
commit: c8afaa1b0f8bc93d013ab2ea6b9649958af3f1d3 ("locking: remove spin_lock_prefetch")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
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
class: memory
test: zero
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230815/202308151426.97be5bd8-oliver.sang@xxxxxxxxx
=========================================================================================
class/compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
memory/gcc-12/performance/x86_64-rhel-8.3/100%/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp8/zero/stress-ng/60s
commit:
3feecb1b84 ("Merge tag 'char-misc-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc")
c8afaa1b0f ("locking: remove spin_lock_prefetch")
3feecb1b848359b1 c8afaa1b0f8bc93d013ab2ea6b9
---------------- ---------------------------
%stddev %change %stddev
\ | \
20.98 ± 8% +12.7% 23.65 ± 4% perf-sched.sch_delay.max.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part
21.05 ± 8% +803.4% 190.14 ±196% perf-sched.total_sch_delay.max.ms
46437 +2.4% 47564 stress-ng.time.involuntary_context_switches
87942414 +6.3% 93441484 stress-ng.time.minor_page_faults
21983137 +6.3% 23357886 stress-ng.zero.ops
366380 +6.3% 389295 stress-ng.zero.ops_per_sec
100683 +4.1% 104861 ± 2% proc-vmstat.nr_shmem
60215587 +6.2% 63957836 proc-vmstat.numa_hit
60148996 +6.2% 63889951 proc-vmstat.numa_local
22046746 +6.2% 23421583 proc-vmstat.pgactivate
83092777 +6.3% 88309102 proc-vmstat.pgalloc_normal
88854159 +6.1% 94276960 proc-vmstat.pgfault
82294936 +6.3% 87489838 proc-vmstat.pgfree
21970411 +6.3% 23344438 proc-vmstat.unevictable_pgs_culled
21970116 +6.3% 23344165 proc-vmstat.unevictable_pgs_mlocked
21970115 +6.3% 23344164 proc-vmstat.unevictable_pgs_munlocked
21970113 +6.3% 23344161 proc-vmstat.unevictable_pgs_rescued
1.455e+10 +4.2% 1.517e+10 perf-stat.i.branch-instructions
58358654 +5.0% 61304729 perf-stat.i.branch-misses
1.12e+08 +5.2% 1.179e+08 perf-stat.i.cache-misses
2.569e+08 +5.1% 2.698e+08 perf-stat.i.cache-references
3.32 -4.4% 3.17 perf-stat.i.cpi
2031 ± 2% -5.0% 1930 ± 2% perf-stat.i.cycles-between-cache-misses
1.603e+10 +4.4% 1.674e+10 perf-stat.i.dTLB-loads
7.449e+09 +6.1% 7.901e+09 perf-stat.i.dTLB-stores
6.52e+10 +4.4% 6.807e+10 perf-stat.i.instructions
0.31 +5.7% 0.33 ± 3% perf-stat.i.ipc
825.05 +4.8% 864.24 perf-stat.i.metric.K/sec
598.07 +4.7% 626.06 perf-stat.i.metric.M/sec
12910790 +4.3% 13471810 perf-stat.i.node-load-misses
7901301 ± 2% +5.7% 8348185 perf-stat.i.node-loads
21890957 ± 3% +6.9% 23410670 ± 2% perf-stat.i.node-stores
3.38 -4.3% 3.23 perf-stat.overall.cpi
1964 -5.1% 1864 perf-stat.overall.cycles-between-cache-misses
0.30 +4.5% 0.31 perf-stat.overall.ipc
1.431e+10 +4.3% 1.493e+10 perf-stat.ps.branch-instructions
57370846 +5.0% 60264193 perf-stat.ps.branch-misses
1.103e+08 +5.3% 1.16e+08 perf-stat.ps.cache-misses
2.528e+08 +5.1% 2.657e+08 perf-stat.ps.cache-references
1.577e+10 +4.5% 1.647e+10 perf-stat.ps.dTLB-loads
7.33e+09 +6.1% 7.776e+09 perf-stat.ps.dTLB-stores
6.415e+10 +4.4% 6.699e+10 perf-stat.ps.instructions
12704753 +4.4% 13259951 perf-stat.ps.node-load-misses
7778242 ± 2% +5.7% 8224062 perf-stat.ps.node-loads
21539559 ± 3% +7.0% 23044455 ± 2% perf-stat.ps.node-stores
4.005e+12 +5.0% 4.205e+12 perf-stat.total.instructions
38.85 -0.8 38.07 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.evict.__dentry_kill.dentry_kill
39.12 -0.8 38.34 perf-profile.calltrace.cycles-pp._raw_spin_lock.evict.__dentry_kill.dentry_kill.dput
41.16 -0.7 40.44 perf-profile.calltrace.cycles-pp.evict.__dentry_kill.dentry_kill.dput.__fput
42.07 -0.7 41.39 perf-profile.calltrace.cycles-pp.__dentry_kill.dentry_kill.dput.__fput.task_work_run
42.09 -0.7 41.42 perf-profile.calltrace.cycles-pp.dentry_kill.dput.__fput.task_work_run.exit_to_user_mode_loop
42.13 -0.7 41.46 perf-profile.calltrace.cycles-pp.dput.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare
42.59 -0.6 41.94 perf-profile.calltrace.cycles-pp.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
42.69 -0.6 42.04 perf-profile.calltrace.cycles-pp.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
42.77 -0.6 42.12 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
42.75 -0.6 42.10 perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
42.74 -0.6 42.10 perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
47.04 -0.4 46.62 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap
46.97 -0.4 46.55 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
47.20 -0.4 46.79 perf-profile.calltrace.cycles-pp.__munmap
39.35 -0.3 39.09 perf-profile.calltrace.cycles-pp.inode_sb_list_add.new_inode.shmem_get_inode.__shmem_file_setup.shmem_zero_setup
39.08 -0.2 38.84 perf-profile.calltrace.cycles-pp._raw_spin_lock.inode_sb_list_add.new_inode.shmem_get_inode.__shmem_file_setup
0.60 +0.0 0.63 perf-profile.calltrace.cycles-pp.perf_iterate_sb.perf_event_mmap_event.perf_event_mmap.mmap_region.do_mmap
0.64 ± 2% +0.0 0.66 perf-profile.calltrace.cycles-pp.shmem_fault.__do_fault.do_read_fault.do_fault.__handle_mm_fault
0.62 +0.0 0.65 perf-profile.calltrace.cycles-pp.shmem_get_folio_gfp.shmem_fault.__do_fault.do_read_fault.do_fault
0.64 +0.0 0.67 perf-profile.calltrace.cycles-pp.__do_fault.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault
0.59 ± 2% +0.0 0.62 perf-profile.calltrace.cycles-pp.shmem_alloc_inode.alloc_inode.new_inode.shmem_get_inode.__shmem_file_setup
0.80 +0.0 0.84 perf-profile.calltrace.cycles-pp.get_unmapped_area.do_mmap.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.72 +0.0 0.75 perf-profile.calltrace.cycles-pp.kmem_cache_alloc.vm_area_alloc.mmap_region.do_mmap.vm_mmap_pgoff
0.59 ± 2% +0.0 0.62 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_lru.shmem_alloc_inode.alloc_inode.new_inode.shmem_get_inode
0.88 ± 2% +0.0 0.92 perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff
0.94 ± 2% +0.0 0.98 perf-profile.calltrace.cycles-pp.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
0.82 +0.0 0.86 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages.populate_vma_page_range
0.79 ± 2% +0.0 0.84 perf-profile.calltrace.cycles-pp.vm_area_alloc.mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
1.22 +0.0 1.26 perf-profile.calltrace.cycles-pp.mas_store_prealloc.mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
0.81 +0.0 0.85 perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages
0.97 +0.1 1.02 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.__get_user_pages.populate_vma_page_range.__mm_populate
0.63 +0.1 0.68 perf-profile.calltrace.cycles-pp.__folio_batch_release.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill
1.07 +0.1 1.12 perf-profile.calltrace.cycles-pp.handle_mm_fault.__get_user_pages.populate_vma_page_range.__mm_populate.vm_mmap_pgoff
0.61 +0.1 0.66 perf-profile.calltrace.cycles-pp.release_pages.__folio_batch_release.shmem_undo_range.shmem_evict_inode.evict
0.83 ± 2% +0.1 0.88 perf-profile.calltrace.cycles-pp.alloc_inode.new_inode.shmem_get_inode.__shmem_file_setup.shmem_zero_setup
0.58 +0.1 0.64 ± 2% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.tlb_batch_pages_flush.tlb_finish_mmu.unmap_region.do_vmi_align_munmap
0.95 ± 3% +0.1 1.01 perf-profile.calltrace.cycles-pp.alloc_file.alloc_file_pseudo.__shmem_file_setup.shmem_zero_setup.mmap_region
0.61 +0.1 0.67 perf-profile.calltrace.cycles-pp.tlb_batch_pages_flush.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap
1.31 +0.1 1.38 perf-profile.calltrace.cycles-pp.stress_zero
1.20 +0.1 1.27 perf-profile.calltrace.cycles-pp.shmem_undo_range.shmem_evict_inode.evict.__dentry_kill.dentry_kill
1.63 +0.1 1.70 perf-profile.calltrace.cycles-pp.__get_user_pages.populate_vma_page_range.__mm_populate.vm_mmap_pgoff.do_syscall_64
1.37 +0.1 1.44 perf-profile.calltrace.cycles-pp.shmem_evict_inode.evict.__dentry_kill.dentry_kill.dput
0.95 ± 2% +0.1 1.02 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
1.32 ± 3% +0.1 1.40 perf-profile.calltrace.cycles-pp.alloc_file_pseudo.__shmem_file_setup.shmem_zero_setup.mmap_region.do_mmap
1.82 ± 2% +0.1 1.93 perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
2.18 +0.1 2.32 perf-profile.calltrace.cycles-pp.populate_vma_page_range.__mm_populate.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.35 +0.1 2.49 perf-profile.calltrace.cycles-pp.__mm_populate.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
0.34 ± 70% +0.2 0.52 perf-profile.calltrace.cycles-pp.perf_event_mmap_output.perf_iterate_sb.perf_event_mmap_event.perf_event_mmap.mmap_region
3.82 +0.2 4.03 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64
4.01 ± 2% +0.2 4.23 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.16 ± 2% +0.2 4.39 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
4.17 ± 2% +0.2 4.40 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
50.50 +0.3 50.80 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
50.40 +0.3 50.70 perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
50.53 +0.3 50.84 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap
50.71 +0.3 51.02 perf-profile.calltrace.cycles-pp.__mmap
78.82 -1.0 77.78 perf-profile.children.cycles-pp._raw_spin_lock
78.20 -0.9 77.29 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
41.17 -0.7 40.44 perf-profile.children.cycles-pp.evict
42.07 -0.7 41.39 perf-profile.children.cycles-pp.__dentry_kill
42.10 -0.7 41.42 perf-profile.children.cycles-pp.dentry_kill
42.13 -0.7 41.46 perf-profile.children.cycles-pp.dput
42.70 -0.6 42.05 perf-profile.children.cycles-pp.task_work_run
42.60 -0.6 41.95 perf-profile.children.cycles-pp.__fput
42.84 -0.6 42.20 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
42.78 -0.6 42.14 perf-profile.children.cycles-pp.exit_to_user_mode_prepare
42.74 -0.6 42.10 perf-profile.children.cycles-pp.exit_to_user_mode_loop
47.25 -0.4 46.85 perf-profile.children.cycles-pp.__munmap
39.36 -0.3 39.10 perf-profile.children.cycles-pp.inode_sb_list_add
40.21 -0.2 40.01 perf-profile.children.cycles-pp.new_inode
40.58 -0.2 40.38 perf-profile.children.cycles-pp.shmem_get_inode
97.92 -0.1 97.83 perf-profile.children.cycles-pp.do_syscall_64
98.05 -0.1 97.96 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
0.15 ± 2% +0.0 0.16 perf-profile.children.cycles-pp.mas_prev_slot
0.19 ± 2% +0.0 0.20 perf-profile.children.cycles-pp.ksys_read
0.14 ± 4% +0.0 0.16 ± 5% perf-profile.children.cycles-pp.inode_init_owner
0.20 ± 2% +0.0 0.21 perf-profile.children.cycles-pp.errseq_sample
0.35 +0.0 0.37 perf-profile.children.cycles-pp.shmem_get_unmapped_area
0.46 +0.0 0.48 perf-profile.children.cycles-pp.mas_empty_area_rev
0.48 +0.0 0.50 perf-profile.children.cycles-pp.__destroy_inode
0.22 +0.0 0.24 ± 2% perf-profile.children.cycles-pp.memcg_list_lru_alloc
0.49 +0.0 0.51 perf-profile.children.cycles-pp.destroy_inode
0.49 ± 2% +0.0 0.52 ± 2% perf-profile.children.cycles-pp.mas_wr_store_entry
0.25 ± 3% +0.0 0.28 ± 2% perf-profile.children.cycles-pp.__munlock_folio
0.64 +0.0 0.66 perf-profile.children.cycles-pp.shmem_fault
0.50 ± 2% +0.0 0.53 perf-profile.children.cycles-pp.perf_event_mmap_output
0.63 +0.0 0.66 perf-profile.children.cycles-pp.shmem_get_folio_gfp
0.22 ± 4% +0.0 0.25 ± 2% perf-profile.children.cycles-pp.inode_init_always
0.24 ± 3% +0.0 0.27 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irq
0.61 ± 2% +0.0 0.64 perf-profile.children.cycles-pp.perf_iterate_sb
0.65 +0.0 0.68 perf-profile.children.cycles-pp.vm_unmapped_area
0.29 ± 2% +0.0 0.32 perf-profile.children.cycles-pp.clear_nlink
0.64 +0.0 0.68 perf-profile.children.cycles-pp.__do_fault
0.73 +0.0 0.76 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown
0.20 ± 4% +0.0 0.24 ± 3% perf-profile.children.cycles-pp.folio_lruvec_lock_irq
0.36 ± 2% +0.0 0.40 perf-profile.children.cycles-pp.slab_pre_alloc_hook
0.20 ± 8% +0.0 0.24 ± 9% perf-profile.children.cycles-pp.free_unref_page
0.18 ± 9% +0.0 0.21 ± 8% perf-profile.children.cycles-pp.free_pcppages_bulk
0.80 +0.0 0.84 perf-profile.children.cycles-pp.get_unmapped_area
1.23 +0.0 1.27 perf-profile.children.cycles-pp.mas_store_prealloc
0.88 ± 2% +0.0 0.92 perf-profile.children.cycles-pp.___slab_alloc
1.14 +0.0 1.18 perf-profile.children.cycles-pp.mas_wr_node_store
0.94 ± 2% +0.0 0.98 perf-profile.children.cycles-pp.perf_event_mmap
0.89 ± 2% +0.0 0.93 perf-profile.children.cycles-pp.perf_event_mmap_event
0.82 +0.0 0.86 perf-profile.children.cycles-pp.do_read_fault
0.80 ± 2% +0.0 0.84 perf-profile.children.cycles-pp.vm_area_alloc
0.82 +0.0 0.86 perf-profile.children.cycles-pp.do_fault
0.41 ± 2% +0.0 0.46 ± 2% perf-profile.children.cycles-pp.mlock_drain_local
1.16 +0.0 1.21 perf-profile.children.cycles-pp.mas_wr_modify
0.44 +0.0 0.49 ± 3% perf-profile.children.cycles-pp.lru_add_drain_cpu
0.40 ± 2% +0.0 0.45 perf-profile.children.cycles-pp.mlock_folio_batch
0.63 ± 2% +0.0 0.68 perf-profile.children.cycles-pp.__folio_batch_release
0.82 ± 2% +0.0 0.86 perf-profile.children.cycles-pp.kmem_cache_alloc_lru
0.00 +0.1 0.05 perf-profile.children.cycles-pp.fput
0.98 +0.1 1.03 perf-profile.children.cycles-pp.__handle_mm_fault
1.07 +0.1 1.13 perf-profile.children.cycles-pp.handle_mm_fault
0.83 ± 2% +0.1 0.89 perf-profile.children.cycles-pp.alloc_inode
0.73 ± 2% +0.1 0.78 perf-profile.children.cycles-pp.release_pages
0.58 +0.1 0.64 perf-profile.children.cycles-pp.free_pages_and_swap_cache
0.96 ± 2% +0.1 1.02 perf-profile.children.cycles-pp.alloc_file
0.61 +0.1 0.67 perf-profile.children.cycles-pp.tlb_batch_pages_flush
1.34 ± 2% +0.1 1.40 perf-profile.children.cycles-pp.kmem_cache_alloc
1.33 +0.1 1.40 perf-profile.children.cycles-pp.stress_zero
1.21 +0.1 1.28 perf-profile.children.cycles-pp.shmem_undo_range
0.95 ± 2% +0.1 1.02 perf-profile.children.cycles-pp.tlb_finish_mmu
1.64 +0.1 1.71 perf-profile.children.cycles-pp.__get_user_pages
1.38 +0.1 1.45 perf-profile.children.cycles-pp.shmem_evict_inode
0.68 +0.1 0.76 ± 3% perf-profile.children.cycles-pp.folio_batch_move_lru
0.72 +0.1 0.80 ± 2% perf-profile.children.cycles-pp.lru_add_drain
1.32 ± 2% +0.1 1.40 perf-profile.children.cycles-pp.alloc_file_pseudo
0.49 +0.1 0.57 ± 2% perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave
0.67 +0.1 0.78 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
1.83 ± 2% +0.1 1.94 perf-profile.children.cycles-pp.unmap_region
2.18 +0.1 2.32 perf-profile.children.cycles-pp.populate_vma_page_range
2.35 +0.1 2.49 perf-profile.children.cycles-pp.__mm_populate
3.87 ± 2% +0.2 4.08 perf-profile.children.cycles-pp.do_vmi_align_munmap
4.17 ± 2% +0.2 4.39 perf-profile.children.cycles-pp.__vm_munmap
4.19 ± 2% +0.2 4.42 perf-profile.children.cycles-pp.do_vmi_munmap
4.17 ± 2% +0.2 4.40 perf-profile.children.cycles-pp.__x64_sys_munmap
50.41 +0.3 50.71 perf-profile.children.cycles-pp.vm_mmap_pgoff
50.75 +0.3 51.07 perf-profile.children.cycles-pp.__mmap
75.97 -1.0 74.99 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
1.02 ± 2% -0.0 0.98 perf-profile.self.cycles-pp._raw_spin_lock
0.08 ± 5% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.get_random_u32
0.19 ± 2% +0.0 0.21 ± 3% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.17 ± 4% +0.0 0.18 ± 2% perf-profile.self.cycles-pp.mas_wr_walk
0.18 ± 2% +0.0 0.20 perf-profile.self.cycles-pp.memcg_list_lru_alloc
0.19 +0.0 0.21 ± 2% perf-profile.self.cycles-pp.errseq_sample
0.28 ± 2% +0.0 0.30 perf-profile.self.cycles-pp.memcg_slab_post_alloc_hook
0.18 ± 4% +0.0 0.21 ± 3% perf-profile.self.cycles-pp.inode_init_always
0.42 +0.0 0.44 perf-profile.self.cycles-pp.__destroy_inode
0.50 +0.0 0.53 ± 2% perf-profile.self.cycles-pp.mas_wr_node_store
0.29 ± 2% +0.0 0.32 perf-profile.self.cycles-pp.clear_nlink
0.21 ± 3% +0.0 0.24 ± 2% perf-profile.self.cycles-pp.__fput
1.31 +0.1 1.37 perf-profile.self.cycles-pp.stress_zero
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.
--
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https://github.com/intel/lkp-tests/wiki