Re: [linux-next:master] [mm, slab] 298cdbf5f7: will-it-scale.per_process_ops 6.3% regression
Oliver Sang <[email protected]> Mon, 18 May 2026 10:12:33 +0800
| Newsgroups | dev.linux.lists.oe-lkp,org.kvack.linux-mm |
|---|---|
| Message-ID | <agp1kUJSzZqyJO81@xsang-OptiPlex-9020> |
hi, Vlastimil Babka,
On Thu, May 14, 2026 at 06:02:59PM +0200, Vlastimil Babka (SUSE) wrote:
> On 5/14/26 18:00, Vlastimil Babka (SUSE) wrote:
> > On 5/14/26 16:45, Vlastimil Babka (SUSE) wrote:
> >> On 5/11/26 16:45, kernel test robot wrote:
> >>>
> >>>
> >>> Hello,
> >>>
> >>> kernel test robot noticed a 6.3% regression of will-it-scale.per_process_ops on:
> >>
> >> Yay for an optimization that was supposed to have no tradeoffs :)
> >
> > Does this help? I don't expect much, but perhaps...
>
> And a separate measurement with this on top of the previous one, plase?
we applied previous one in [1] on top of 298cdbf5f7, then applied this one on
top of [1], the git tree is as below:
* 487ba8f16af85 mm, slab: ADD_TO_TAIL in __refill_objects_node
* 200ca7702bc5a mm, slab: simplify __refill_objects_node
* 298cdbf5f7c9e mm, slab: add an optimistic __slab_try_return_freelist()
* 1f7c8e1d52428 mm/slub: defer freelist construction until after bulk allocation from a new slab
in our tests, it seems 200ca7702bc5a have little impact as you expected.
but 487ba8f16af85 not only recovered the performance regression, it now makes
the results a little better than 1f7c8e1d52428.
full comparison is in [2].
=========================================================================================
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-srf-2sp2/mmap1/will-it-scale
commit:
1f7c8e1d52 ("mm/slub: defer freelist construction until after bulk allocation from a new slab")
298cdbf5f7 ("mm, slab: add an optimistic __slab_try_return_freelist()")
200ca7702b ("mm, slab: simplify __refill_objects_node")
487ba8f16a ("mm, slab: ADD_TO_TAIL in __refill_objects_node")
1f7c8e1d52428cbf 298cdbf5f7c9e19289f46710ed5 200ca7702bc5ad828cf19d810f0 487ba8f16af859aade76148939e
---------------- --------------------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev %change %stddev
\ | \ | \ | \
184468 -6.3% 172928 -6.6% 172299 +2.5% 189152 will-it-scale.per_process_ops
> It's just that __slab_free() would have been adding to tail so let's try it
> too.
>
> From 8fba1377797478a945d97ad6163021d95ac7665c Mon Sep 17 00:00:00 2001
> From: "Vlastimil Babka (SUSE)" <[email protected]>
> Date: Thu, 14 May 2026 18:00:52 +0200
> Subject: [PATCH] mm, slab: ADD_TO_TAIL in __refill_objects_node
>
> ---
> mm/slub.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/slub.c b/mm/slub.c
> index 0cc6c88f11e3..35e574e94538 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -7193,7 +7193,7 @@ __refill_objects_node(struct kmem_cache *s, void **p, gfp_t gfp, unsigned int mi
> list_for_each_entry_safe(slab, slab2, &pc.slabs, slab_list) {
>
> list_del(&slab->slab_list);
> - add_partial(n, slab, ADD_TO_HEAD);
> + add_partial(n, slab, ADD_TO_TAIL);
> }
>
> spin_unlock_irqrestore(&n->list_lock, flags);
> --
> 2.54.0
>
>
[1] https://lore.kernel.org/all/[email protected]/
[2]
=========================================================================================
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-srf-2sp2/mmap1/will-it-scale
commit:
1f7c8e1d52 ("mm/slub: defer freelist construction until after bulk allocation from a new slab")
298cdbf5f7 ("mm, slab: add an optimistic __slab_try_return_freelist()")
200ca7702b ("mm, slab: simplify __refill_objects_node")
487ba8f16a ("mm, slab: ADD_TO_TAIL in __refill_objects_node")
1f7c8e1d52428cbf 298cdbf5f7c9e19289f46710ed5 200ca7702bc5ad828cf19d810f0 487ba8f16af859aade76148939e
---------------- --------------------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev %change %stddev
\ | \ | \ | \
35417967 -6.3% 33202379 -6.6% 33081516 +2.5% 36317289 will-it-scale.192.processes
184468 -6.3% 172928 -6.6% 172299 +2.5% 189152 will-it-scale.per_process_ops
35417967 -6.3% 33202379 -6.6% 33081516 +2.5% 36317289 will-it-scale.workload
21873 ± 2% +8.0% 23628 +5.8% 23148 ± 2% -0.5% 21764 vmstat.system.cs
0.71 -5.6% 0.67 -5.6% 0.67 +2.8% 0.73 turbostat.IPC
430.37 -1.2% 425.33 -1.3% 424.56 +0.5% 432.47 turbostat.PkgWatt
0.13 -0.0 0.12 -0.0 0.12 -0.0 0.13 mpstat.cpu.all.irq%
18.38 +1.4 19.79 +1.4 19.75 -0.5 17.90 mpstat.cpu.all.soft%
1.64 -0.1 1.54 -0.1 1.53 +0.1 1.70 mpstat.cpu.all.usr%
7.06 ± 14% +26.0% 8.89 ± 12% +8.7% 7.67 ± 19% -3.1% 6.83 ± 6% sched_debug.cfs_rq:/.load_avg.min
18788 ± 2% +7.2% 20147 +4.7% 19677 ± 2% -0.8% 18635 sched_debug.cpu.nr_switches.avg
16273 ± 3% +7.6% 17503 +6.6% 17347 ± 2% -0.5% 16190 sched_debug.cpu.nr_switches.min
3418653 +97.9% 6765264 +100.3% 6848097 ± 2% +27.0% 4342032 ± 2% numa-numastat.node0.local_node
3479092 +96.6% 6839697 +99.8% 6950484 +28.4% 4467529 numa-numastat.node0.numa_hit
4424809 ± 2% +79.1% 7922798 ± 2% +83.6% 8125728 ± 2% +25.9% 5569380 numa-numastat.node1.local_node
4564748 ± 2% +76.3% 8048580 ± 2% +80.2% 8223664 ± 2% +23.6% 5644081 ± 2% numa-numastat.node1.numa_hit
3478940 +96.6% 6839185 +99.8% 6950168 +28.4% 4467175 numa-vmstat.node0.numa_hit
3418501 +97.9% 6764752 +100.3% 6847781 ± 2% +27.0% 4341678 ± 2% numa-vmstat.node0.numa_local
4565277 ± 2% +76.3% 8048347 ± 2% +80.1% 8223583 ± 2% +23.6% 5643990 ± 2% numa-vmstat.node1.numa_hit
4425338 ± 2% +79.0% 7922564 ± 2% +83.6% 8125648 ± 2% +25.8% 5569288 numa-vmstat.node1.numa_local
3957 ± 19% -64.8% 1392 ± 13% -66.9% 1311 ± 11% -45.5% 2156 ± 19% perf-c2c.DRAM.local
1016 ± 20% -46.9% 540.33 ± 34% -41.9% 590.88 ± 25% -39.5% 615.12 ± 23% perf-c2c.DRAM.remote
139593 ± 9% -18.6% 113659 ± 10% -18.7% 113440 ± 10% -12.1% 122683 ± 10% perf-c2c.HITM.local
139625 ± 9% -18.6% 113697 ± 10% -18.7% 113477 ± 10% -12.1% 122713 ± 10% perf-c2c.HITM.total
189874 -2.4% 185345 -2.4% 185372 +1.2% 192236 proc-vmstat.nr_slab_unreclaimable
8051058 +85.0% 14892463 +88.5% 15179987 +25.7% 10116617 proc-vmstat.numa_hit
7850680 +87.1% 14692248 +90.8% 14979665 +26.3% 9916419 proc-vmstat.numa_local
25073981 +109.6% 52554060 +114.3% 53727154 +32.9% 33326970 proc-vmstat.pgalloc_normal
23597828 +116.6% 51111380 +121.6% 52304077 +34.9% 31842348 proc-vmstat.pgfree
0.20 +8.9% 0.22 ± 2% +6.8% 0.21 +4.7% 0.21 perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
0.20 +8.9% 0.22 ± 2% +6.8% 0.21 +4.7% 0.21 perf-sched.total_sch_delay.average.ms
26.54 ± 2% -12.1% 23.32 ± 2% -8.6% 24.25 ± 2% -1.3% 26.18 ± 4% perf-sched.total_wait_and_delay.average.ms
108336 ± 3% +9.0% 118099 +7.7% 116713 +0.1% 108433 perf-sched.total_wait_and_delay.count.ms
26.34 ± 2% -12.3% 23.11 ± 2% -8.7% 24.04 ± 2% -1.4% 25.97 ± 4% perf-sched.total_wait_time.average.ms
26.54 ± 2% -12.1% 23.32 ± 2% -8.6% 24.25 ± 2% -1.3% 26.18 ± 4% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
108336 ± 3% +9.0% 118099 +7.7% 116713 +0.1% 108433 perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown]
26.34 ± 2% -12.3% 23.11 ± 2% -8.7% 24.04 ± 2% -1.4% 25.97 ± 4% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
0.25 ± 2% -7.3% 0.24 ± 4% -7.4% 0.23 ± 3% +10.5% 0.28 ± 2% perf-stat.i.MPKI
9.213e+10 -5.7% 8.687e+10 -6.0% 8.659e+10 +2.3% 9.428e+10 perf-stat.i.branch-instructions
0.12 -0.0 0.12 -0.0 0.12 -0.0 0.12 perf-stat.i.branch-miss-rate%
1.098e+08 -6.7% 1.025e+08 -6.9% 1.023e+08 -0.8% 1.089e+08 perf-stat.i.branch-misses
14.49 ± 2% -1.4 13.11 ± 4% -1.3 13.23 ± 3% +1.7 16.19 ± 2% perf-stat.i.cache-miss-rate%
1.059e+08 ± 2% -12.9% 92245846 ± 5% -13.3% 91784506 ± 3% +13.5% 1.202e+08 ± 2% perf-stat.i.cache-misses
7.389e+08 -3.6% 7.123e+08 -5.0% 7.022e+08 +1.5% 7.496e+08 perf-stat.i.cache-references
21981 ± 2% +7.8% 23693 +5.7% 23232 ± 2% -0.8% 21806 perf-stat.i.context-switches
1.40 +6.2% 1.49 +6.5% 1.50 -2.2% 1.37 perf-stat.i.cpi
256.41 +3.0% 263.99 +2.6% 263.14 +3.9% 266.32 perf-stat.i.cpu-migrations
5815 ± 2% +15.3% 6707 ± 4% +15.8% 6734 ± 3% -12.0% 5116 ± 3% perf-stat.i.cycles-between-cache-misses
4.341e+11 -5.8% 4.089e+11 -6.1% 4.076e+11 +2.3% 4.443e+11 perf-stat.i.instructions
0.71 -5.8% 0.67 -6.1% 0.67 +2.3% 0.73 perf-stat.i.ipc
0.24 ± 2% -7.4% 0.23 ± 5% -7.6% 0.23 ± 3% +11.0% 0.27 ± 2% perf-stat.overall.MPKI
0.12 -0.0 0.12 -0.0 0.12 -0.0 0.12 perf-stat.overall.branch-miss-rate%
14.34 ± 2% -1.4 12.97 ± 4% -1.3 13.08 ± 3% +1.7 16.05 ± 2% perf-stat.overall.cache-miss-rate%
1.41 +6.2% 1.49 +6.6% 1.50 -2.2% 1.37 perf-stat.overall.cpi
5764 ± 2% +15.0% 6626 ± 4% +15.5% 6656 ± 3% -11.9% 5078 ± 2% perf-stat.overall.cycles-between-cache-misses
0.71 -5.9% 0.67 -6.2% 0.67 +2.3% 0.73 perf-stat.overall.ipc
9.183e+10 -5.7% 8.659e+10 -6.0% 8.631e+10 +2.3% 9.397e+10 perf-stat.ps.branch-instructions
1.095e+08 -6.7% 1.021e+08 -6.9% 1.019e+08 -0.8% 1.086e+08 perf-stat.ps.branch-misses
1.056e+08 ± 2% -12.8% 92081686 ± 5% -13.3% 91581504 ± 3% +13.6% 1.2e+08 ± 2% perf-stat.ps.cache-misses
7.367e+08 -3.6% 7.102e+08 -5.0% 7.001e+08 +1.5% 7.474e+08 perf-stat.ps.cache-references
21840 ± 2% +8.1% 23604 +5.9% 23119 ± 2% -0.5% 21727 perf-stat.ps.context-switches
253.30 +3.0% 260.93 +2.7% 260.03 +3.9% 263.15 perf-stat.ps.cpu-migrations
4.327e+11 -5.8% 4.076e+11 -6.1% 4.063e+11 +2.3% 4.429e+11 perf-stat.ps.instructions
1.312e+14 -5.9% 1.235e+14 -6.2% 1.23e+14 +2.3% 1.342e+14 perf-stat.total.instructions
12.77 -12.8 0.00 -12.8 0.00 -12.8 0.00 perf-profile.calltrace.cycles-pp.__slab_free.__refill_objects_node.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof
12.68 -12.7 0.00 -12.7 0.00 -12.7 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__refill_objects_node.refill_objects.__pcs_replace_empty_main
12.60 -12.6 0.00 -12.6 0.00 -12.6 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__refill_objects_node.refill_objects
4.81 -0.5 4.28 -0.5 4.29 +0.3 5.06 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_replace_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof
2.52 -0.4 2.09 -0.4 2.11 +0.2 2.71 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof
7.46 -0.4 7.06 -0.4 7.08 +0.2 7.68 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
5.21 ± 2% -0.4 4.86 -0.4 4.80 ± 2% +0.1 5.35 ± 3% perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
0.52 -0.4 0.17 ±141% -0.5 0.06 ±264% +0.0 0.54 perf-profile.calltrace.cycles-pp.mas_store_gfp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
3.50 -0.3 3.19 -0.3 3.20 +0.2 3.67 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store
3.47 -0.3 3.16 -0.3 3.17 +0.2 3.65 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu
5.90 -0.3 5.60 -0.3 5.60 +0.2 6.06 perf-profile.calltrace.cycles-pp.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
1.96 -0.3 1.70 -0.3 1.70 +0.1 2.06 perf-profile.calltrace.cycles-pp.barn_put_full_sheaf.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu
2.43 ± 4% -0.3 2.17 ± 4% -0.3 2.10 ± 5% +0.1 2.51 ± 6% perf-profile.calltrace.cycles-pp.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap
1.47 ± 11% -0.3 1.22 ± 6% -0.3 1.21 ± 5% +0.2 1.64 ± 5% perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate.__mmap_new_vma
2.25 ± 4% -0.2 2.00 ± 4% -0.3 1.94 ± 6% +0.1 2.32 ± 7% perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__kfree_rcu_sheaf.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp
1.27 ± 10% -0.2 1.03 ± 6% -0.2 1.03 ± 5% +0.1 1.41 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate
2.66 ± 4% -0.2 2.44 ± 3% -0.3 2.37 ± 5% +0.1 2.73 ± 6% perf-profile.calltrace.cycles-pp.kvfree_call_rcu.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap
5.57 ± 2% -0.2 5.37 -0.1 5.44 ± 2% +0.2 5.80 ± 2% perf-profile.calltrace.cycles-pp.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff
1.46 ± 8% -0.2 1.27 ± 4% -0.2 1.28 ± 4% +0.1 1.53 ± 6% perf-profile.calltrace.cycles-pp.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_store_gfp.do_vmi_align_munmap
1.27 ± 8% -0.2 1.08 ± 5% -0.2 1.10 ± 4% +0.1 1.32 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_get_empty_sheaf.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_store_gfp
5.06 ± 2% -0.2 4.88 -0.1 4.96 ± 2% +0.2 5.27 ± 2% perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region.do_mmap
2.48 -0.2 2.32 -0.2 2.30 +0.1 2.59 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.barn_put_full_sheaf.rcu_do_batch.rcu_core.handle_softirqs
2.51 -0.2 2.36 -0.1 2.38 +0.1 2.58 perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
2.00 -0.1 1.86 -0.1 1.89 +0.0 2.04 perf-profile.calltrace.cycles-pp.__get_unmapped_area.do_mmap.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.24 -0.1 2.11 -0.1 2.10 +0.0 2.27 perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
2.89 -0.1 2.76 -0.1 2.75 +0.1 2.97 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
2.56 -0.1 2.43 -0.1 2.43 +0.1 2.63 perf-profile.calltrace.cycles-pp.zap_pmd_range.__zap_vma_range.unmap_vmas.unmap_region.vms_complete_munmap_vmas
2.26 -0.1 2.12 -0.1 2.14 +0.1 2.32 perf-profile.calltrace.cycles-pp.free_pgd_range.free_pgtables.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap
2.13 -0.1 2.01 -0.1 2.02 +0.1 2.20 perf-profile.calltrace.cycles-pp.free_p4d_range.free_pgd_range.free_pgtables.unmap_region.vms_complete_munmap_vmas
2.00 -0.1 1.88 -0.1 1.89 +0.1 2.06 perf-profile.calltrace.cycles-pp.free_pud_range.free_p4d_range.free_pgd_range.free_pgtables.unmap_region
2.74 -0.1 2.62 -0.1 2.60 +0.1 2.82 perf-profile.calltrace.cycles-pp.__zap_vma_range.unmap_vmas.unmap_region.vms_complete_munmap_vmas.do_vmi_align_munmap
1.94 -0.1 1.82 -0.1 1.83 +0.0 1.98 perf-profile.calltrace.cycles-pp.thp_get_unmapped_area_vmflags.__get_unmapped_area.do_mmap.vm_mmap_pgoff.do_syscall_64
1.67 -0.1 1.58 -0.1 1.58 +0.0 1.70 perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.thp_get_unmapped_area_vmflags.__get_unmapped_area.do_mmap.vm_mmap_pgoff
2.36 ± 8% -0.1 2.28 -0.1 2.28 +0.2 2.56 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.barn_put_full_sheaf.rcu_do_batch.rcu_core
1.44 -0.1 1.36 -0.1 1.37 +0.0 1.48 perf-profile.calltrace.cycles-pp.__pi_memcpy.mas_wr_node_store.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap
1.50 -0.1 1.42 -0.1 1.43 +0.0 1.53 perf-profile.calltrace.cycles-pp.__pi_memcpy.mas_wr_node_store.mas_store_prealloc.__mmap_new_vma.__mmap_region
1.35 -0.1 1.28 -0.1 1.28 +0.0 1.38 perf-profile.calltrace.cycles-pp.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.thp_get_unmapped_area_vmflags.__get_unmapped_area
1.38 -0.1 1.30 -0.1 1.30 +0.0 1.40 perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.thp_get_unmapped_area_vmflags.__get_unmapped_area.do_mmap
1.58 -0.1 1.52 -0.1 1.52 +0.1 1.63 perf-profile.calltrace.cycles-pp.__mmap_complete.__mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
1.44 -0.1 1.39 -0.1 1.39 +0.1 1.50 perf-profile.calltrace.cycles-pp.perf_event_mmap.__mmap_complete.__mmap_region.do_mmap.vm_mmap_pgoff
0.62 -0.0 0.57 -0.0 0.57 +0.0 0.63 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__munmap
0.61 -0.0 0.57 -0.0 0.57 +0.0 0.62 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__mmap
1.06 -0.0 1.03 -0.0 1.03 +0.0 1.11 perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.__mmap_complete.__mmap_region.do_mmap
0.62 -0.0 0.59 -0.0 0.58 +0.0 0.63 perf-profile.calltrace.cycles-pp.mas_empty_area_rev.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.thp_get_unmapped_area_vmflags
0.64 -0.0 0.62 ± 2% -0.0 0.61 +0.0 0.67 perf-profile.calltrace.cycles-pp.kmem_cache_free.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
0.64 -0.0 0.62 -0.0 0.63 +0.0 0.68 perf-profile.calltrace.cycles-pp.perf_iterate_sb.perf_event_mmap_event.perf_event_mmap.__mmap_complete.__mmap_region
0.88 +0.1 0.98 +0.1 0.94 +0.2 1.03 perf-profile.calltrace.cycles-pp.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff
0.55 ± 5% +0.1 0.66 ± 2% +0.1 0.65 ± 2% +0.0 0.56 ± 2% perf-profile.calltrace.cycles-pp.barn_put_full_sheaf.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
0.51 +0.1 0.64 +0.1 0.60 +0.1 0.66 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region.do_mmap
1.52 ± 5% +0.3 1.84 ± 2% +0.3 1.79 ± 2% -0.0 1.50 ± 2% perf-profile.calltrace.cycles-pp.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
2.16 ± 5% +0.4 2.59 ± 2% +0.4 2.54 -0.0 2.14 ± 2% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread
2.16 ± 5% +0.4 2.59 ± 2% +0.4 2.54 -0.0 2.15 ± 2% perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork
2.16 ± 5% +0.4 2.59 ± 2% +0.4 2.54 -0.0 2.15 ± 2% perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
2.16 ± 5% +0.4 2.59 ± 2% +0.4 2.53 -0.0 2.14 ± 2% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn
2.17 ± 5% +0.4 2.60 ± 2% +0.4 2.54 -0.0 2.15 ± 2% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork_asm
0.00 +0.6 0.60 ± 8% +0.6 0.63 ± 7% +0.1 0.13 ±173% perf-profile.calltrace.cycles-pp.alloc_from_new_slab.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_preallocate
0.00 +0.6 0.62 ± 5% +0.7 0.67 ± 7% +0.0 0.00 perf-profile.calltrace.cycles-pp.alloc_from_new_slab.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_store_gfp
12.88 +1.0 13.87 +0.9 13.77 -0.7 12.18 perf-profile.calltrace.cycles-pp._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof
12.83 +1.0 13.82 +0.9 13.72 -0.7 12.12 perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node
12.88 +1.0 13.87 +0.9 13.78 -0.7 12.18 perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects.__pcs_replace_empty_main
12.81 +1.0 13.81 +0.9 13.71 -0.6 12.24 perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt
12.82 +1.0 13.82 +0.9 13.72 -0.6 12.25 perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore
12.87 +1.0 13.87 +0.9 13.77 -0.7 12.17 perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects
12.81 +1.0 13.82 +0.9 13.72 -0.6 12.25 perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
10.64 +1.3 11.92 +1.2 11.82 -0.8 9.83 perf-profile.calltrace.cycles-pp.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu
11.72 +1.6 13.30 +1.4 13.17 -0.8 10.88 perf-profile.calltrace.cycles-pp.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs
11.63 +1.6 13.23 +1.5 13.09 -0.8 10.80 perf-profile.calltrace.cycles-pp.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core
11.33 +1.6 12.94 +1.5 12.80 -0.8 10.48 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch
11.20 +1.6 12.82 +1.5 12.68 -0.8 10.36 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.rcu_free_sheaf
22.90 +14.2 37.13 +14.2 37.09 +11.8 34.66 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__refill_objects_node.refill_objects.__pcs_replace_empty_main
22.99 +14.3 37.26 +14.2 37.23 +11.8 34.82 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__refill_objects_node.refill_objects.__pcs_replace_empty_main.kmem_cache_alloc_noprof
27.87 -10.5 17.33 -10.7 17.20 -13.5 14.39 perf-profile.children.cycles-pp.__slab_free
7.27 -0.8 6.48 -0.8 6.50 +0.5 7.72 perf-profile.children.cycles-pp.barn_get_empty_sheaf
5.91 -0.6 5.32 -0.6 5.34 +0.3 6.24 perf-profile.children.cycles-pp.barn_replace_empty_sheaf
10.36 -0.5 9.82 -0.5 9.85 +0.4 10.72 perf-profile.children.cycles-pp.mas_wr_node_store
7.58 -0.4 7.18 -0.4 7.20 +0.2 7.82 perf-profile.children.cycles-pp.vms_complete_munmap_vmas
3.98 -0.4 3.61 -0.4 3.61 +0.2 4.17 perf-profile.children.cycles-pp.barn_put_full_sheaf
4.70 -0.4 4.34 -0.4 4.34 +0.2 4.93 perf-profile.children.cycles-pp.__kfree_rcu_sheaf
5.91 -0.3 5.60 -0.3 5.60 +0.2 6.07 perf-profile.children.cycles-pp.unmap_region
5.19 -0.3 4.90 -0.3 4.90 +0.2 5.40 perf-profile.children.cycles-pp.kvfree_call_rcu
94.66 -0.3 94.41 -0.2 94.48 -0.0 94.63 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
94.52 -0.2 94.27 -0.2 94.35 -0.0 94.48 perf-profile.children.cycles-pp.do_syscall_64
5.57 ± 2% -0.2 5.37 -0.1 5.44 ± 2% +0.2 5.80 ± 2% perf-profile.children.cycles-pp.mas_store_prealloc
2.06 -0.2 1.89 -0.1 1.93 +0.0 2.09 perf-profile.children.cycles-pp.__get_unmapped_area
2.96 -0.2 2.80 -0.1 2.82 +0.1 3.03 perf-profile.children.cycles-pp.__pi_memcpy
2.55 -0.2 2.40 -0.1 2.42 +0.1 2.62 perf-profile.children.cycles-pp.free_pgtables
2.25 -0.1 2.12 -0.1 2.11 +0.0 2.29 perf-profile.children.cycles-pp.vms_gather_munmap_vmas
2.26 -0.1 2.13 -0.1 2.14 +0.1 2.32 perf-profile.children.cycles-pp.free_pgd_range
2.58 -0.1 2.44 -0.1 2.44 +0.1 2.64 perf-profile.children.cycles-pp.zap_pmd_range
2.90 -0.1 2.77 -0.1 2.75 +0.1 2.98 perf-profile.children.cycles-pp.unmap_vmas
2.14 -0.1 2.02 -0.1 2.03 +0.1 2.20 perf-profile.children.cycles-pp.free_p4d_range
2.75 -0.1 2.63 -0.1 2.62 +0.1 2.83 perf-profile.children.cycles-pp.__zap_vma_range
2.01 -0.1 1.89 -0.1 1.90 +0.1 2.07 perf-profile.children.cycles-pp.free_pud_range
1.94 -0.1 1.82 -0.1 1.84 +0.0 1.98 perf-profile.children.cycles-pp.thp_get_unmapped_area_vmflags
1.69 -0.1 1.59 -0.1 1.59 +0.0 1.72 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown
1.26 -0.1 1.18 -0.1 1.18 +0.0 1.29 perf-profile.children.cycles-pp.entry_SYSCALL_64
1.38 -0.1 1.30 -0.1 1.30 +0.0 1.41 perf-profile.children.cycles-pp.vm_unmapped_area
1.42 -0.1 1.34 -0.1 1.35 +0.0 1.46 perf-profile.children.cycles-pp.mas_find
1.36 -0.1 1.28 -0.1 1.28 +0.0 1.39 perf-profile.children.cycles-pp.unmapped_area_topdown
0.98 -0.1 0.92 -0.1 0.91 +0.0 1.00 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
1.58 -0.1 1.52 -0.1 1.52 +0.1 1.64 perf-profile.children.cycles-pp.__mmap_complete
1.46 -0.1 1.40 -0.1 1.40 +0.1 1.51 perf-profile.children.cycles-pp.perf_event_mmap
0.64 -0.0 0.60 -0.0 0.59 +0.0 0.64 perf-profile.children.cycles-pp.mas_prev_slot
0.54 -0.0 0.50 -0.0 0.50 +0.0 0.55 perf-profile.children.cycles-pp.mas_wr_store_type
1.08 -0.0 1.04 -0.0 1.04 +0.0 1.13 perf-profile.children.cycles-pp.perf_event_mmap_event
0.63 -0.0 0.59 -0.0 0.59 +0.0 0.64 perf-profile.children.cycles-pp.mas_empty_area_rev
0.54 -0.0 0.50 -0.0 0.50 +0.0 0.55 perf-profile.children.cycles-pp.__vma_start_write
0.54 -0.0 0.52 -0.0 0.51 +0.0 0.55 perf-profile.children.cycles-pp.mas_next_slot
0.43 -0.0 0.41 -0.0 0.41 +0.0 0.44 perf-profile.children.cycles-pp.mas_rev_awalk
0.53 -0.0 0.51 -0.0 0.51 +0.0 0.55 perf-profile.children.cycles-pp.mas_walk
0.64 -0.0 0.62 ± 2% -0.0 0.61 +0.0 0.67 perf-profile.children.cycles-pp.kmem_cache_free
0.36 -0.0 0.33 -0.0 0.34 +0.0 0.36 perf-profile.children.cycles-pp.__vma_start_exclude_readers
0.29 -0.0 0.27 -0.0 0.27 +0.0 0.30 perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare
0.44 -0.0 0.42 -0.0 0.42 +0.0 0.45 perf-profile.children.cycles-pp.vma_merge_new_range
0.65 -0.0 0.63 -0.0 0.64 +0.0 0.69 perf-profile.children.cycles-pp.perf_iterate_sb
0.24 -0.0 0.22 -0.0 0.23 +0.0 0.24 ± 2% perf-profile.children.cycles-pp.security_vm_enough_memory_mm
0.43 -0.0 0.42 -0.0 0.41 ± 2% +0.0 0.46 ± 2% perf-profile.children.cycles-pp.barn_put_empty_sheaf
0.07 ± 5% -0.0 0.05 -0.0 0.06 -0.0 0.06 perf-profile.children.cycles-pp.mmap_region
0.74 -0.0 0.72 -0.0 0.73 +0.0 0.78 perf-profile.children.cycles-pp.mas_update_gap
0.30 -0.0 0.29 -0.0 0.28 +0.0 0.31 perf-profile.children.cycles-pp.vma_set_page_prot
0.14 -0.0 0.12 ± 4% -0.0 0.12 ± 3% -0.0 0.13 ± 3% perf-profile.children.cycles-pp.mas_prev
0.30 -0.0 0.28 -0.0 0.29 +0.0 0.31 perf-profile.children.cycles-pp.up_read
0.07 -0.0 0.06 ± 9% +0.0 0.07 +0.0 0.08 ± 6% perf-profile.children.cycles-pp.unlink_file_vma_batch_add
0.08 ± 6% -0.0 0.06 -0.0 0.06 -0.0 0.07 perf-profile.children.cycles-pp.__alloc_empty_sheaf
0.08 ± 6% -0.0 0.06 -0.0 0.07 ± 4% +0.0 0.08 perf-profile.children.cycles-pp.remove_vma
0.24 -0.0 0.22 -0.0 0.22 ± 2% -0.0 0.24 ± 2% perf-profile.children.cycles-pp.downgrade_write
0.20 ± 3% -0.0 0.18 ± 2% -0.0 0.18 ± 2% +0.0 0.21 ± 2% perf-profile.children.cycles-pp.mas_wr_walk_descend
0.28 -0.0 0.27 -0.0 0.27 +0.0 0.29 perf-profile.children.cycles-pp.down_write_killable
0.18 ± 2% -0.0 0.17 ± 2% -0.0 0.17 ± 2% +0.0 0.19 perf-profile.children.cycles-pp.vma_wants_writenotify
0.07 ± 5% -0.0 0.06 -0.0 0.06 -0.0 0.07 perf-profile.children.cycles-pp.__kmalloc_noprof
0.20 -0.0 0.19 -0.0 0.19 +0.0 0.21 ± 2% perf-profile.children.cycles-pp.tlb_gather_mmu
0.07 -0.0 0.06 -0.0 0.06 +0.0 0.07 perf-profile.children.cycles-pp.__call_rcu_common
0.16 -0.0 0.15 -0.0 0.15 +0.0 0.16 ± 2% perf-profile.children.cycles-pp.may_expand_vm
0.14 -0.0 0.13 -0.0 0.13 ± 2% +0.0 0.14 ± 2% perf-profile.children.cycles-pp.up_write
0.12 -0.0 0.11 -0.0 0.11 ± 2% +0.0 0.12 perf-profile.children.cycles-pp.hrtimer_interrupt
0.11 -0.0 0.10 -0.0 0.10 +0.0 0.11 perf-profile.children.cycles-pp.x64_sys_call
0.15 -0.0 0.14 -0.0 0.14 ± 3% +0.0 0.15 ± 2% perf-profile.children.cycles-pp.vma_is_shared_writable
0.11 ± 3% -0.0 0.10 ± 4% -0.0 0.10 -0.0 0.11 perf-profile.children.cycles-pp.vm_area_free
0.13 -0.0 0.12 ± 3% -0.0 0.11 ± 2% -0.0 0.13 ± 2% perf-profile.children.cycles-pp.kfree
0.19 ± 2% -0.0 0.18 -0.0 0.17 ± 2% +0.0 0.19 perf-profile.children.cycles-pp.tlb_finish_mmu
0.16 ± 3% -0.0 0.16 -0.0 0.15 ± 2% +0.0 0.17 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.31 ± 3% +0.0 0.31 ± 3% -0.0 0.27 ± 3% +0.0 0.31 ± 3% perf-profile.children.cycles-pp.__memcg_slab_free_hook
0.14 ± 3% +0.0 0.15 ± 3% +0.0 0.15 ± 5% +0.0 0.16 ± 2% perf-profile.children.cycles-pp.perf_event_mmap_output
0.88 +0.1 0.99 +0.1 0.95 +0.2 1.03 perf-profile.children.cycles-pp.vm_area_alloc
0.36 +0.1 0.50 +0.1 0.46 +0.1 0.51 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
2.16 ± 5% +0.4 2.59 ± 2% +0.4 2.54 -0.0 2.15 ± 2% perf-profile.children.cycles-pp.run_ksoftirqd
2.17 ± 5% +0.4 2.60 ± 2% +0.4 2.54 -0.0 2.15 ± 2% perf-profile.children.cycles-pp.smpboot_thread_fn
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.children.cycles-pp.kthread
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.children.cycles-pp.ret_from_fork
2.17 ± 5% +0.4 2.61 ± 2% +0.4 2.55 -0.0 2.16 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm
0.69 ± 5% +0.5 1.22 ± 4% +0.6 1.30 ± 5% +0.2 0.91 ± 5% perf-profile.children.cycles-pp.alloc_from_new_slab
15.26 +1.2 16.44 +1.1 16.39 -0.4 14.84 perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
18.16 +1.3 19.49 +1.3 19.43 -0.5 17.71 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
18.14 +1.3 19.47 +1.3 19.40 -0.5 17.68 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
18.02 +1.3 19.36 +1.3 19.30 -0.5 17.56 perf-profile.children.cycles-pp.__irq_exit_rcu
60.59 +1.5 62.05 +1.5 62.04 -1.1 59.47 perf-profile.children.cycles-pp.__pcs_replace_empty_main
61.51 +1.6 63.10 +1.5 63.03 -1.0 60.54 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
20.16 +1.8 21.94 +1.6 21.81 -0.5 19.69 perf-profile.children.cycles-pp.rcu_core
20.18 +1.8 21.95 +1.6 21.82 -0.5 19.70 perf-profile.children.cycles-pp.handle_softirqs
20.14 +1.8 21.92 +1.7 21.80 -0.5 19.68 perf-profile.children.cycles-pp.rcu_do_batch
50.97 +2.0 52.95 +1.8 52.80 -1.9 49.06 perf-profile.children.cycles-pp.__refill_objects_node
15.07 +2.2 17.25 +2.1 17.13 -0.7 14.37 perf-profile.children.cycles-pp.__kmem_cache_free_bulk
15.67 +2.2 17.86 +2.1 17.73 -0.7 14.99 perf-profile.children.cycles-pp.rcu_free_sheaf
65.82 +2.4 68.25 +2.3 68.15 -0.7 65.17 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
65.33 +2.5 67.80 +2.4 67.70 -0.7 64.67 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
51.67 +2.5 54.18 +2.5 54.13 -1.7 49.98 perf-profile.children.cycles-pp.refill_objects
2.16 -0.5 1.66 -0.5 1.66 -0.2 1.92 perf-profile.self.cycles-pp.__refill_objects_node
2.64 -0.2 2.48 -0.1 2.50 +0.1 2.70 perf-profile.self.cycles-pp.__pi_memcpy
2.36 -0.1 2.22 -0.2 2.21 +0.1 2.42 perf-profile.self.cycles-pp.zap_pmd_range
1.84 -0.1 1.71 -0.1 1.72 +0.1 1.90 perf-profile.self.cycles-pp.free_pud_range
1.78 -0.1 1.66 -0.1 1.69 +0.1 1.86 perf-profile.self.cycles-pp.__mmap_region
0.52 -0.1 0.40 -0.1 0.41 -0.1 0.44 perf-profile.self.cycles-pp.__slab_free
1.44 -0.1 1.34 -0.1 1.34 +0.0 1.47 perf-profile.self.cycles-pp.mas_wr_node_store
0.98 -0.1 0.92 -0.1 0.91 +0.0 1.00 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.84 -0.1 0.78 -0.0 0.79 +0.0 0.86 perf-profile.self.cycles-pp.mas_store_gfp
0.55 -0.0 0.50 -0.0 0.52 +0.0 0.56 perf-profile.self.cycles-pp.do_vmi_align_munmap
0.58 -0.0 0.54 -0.1 0.53 +0.0 0.58 perf-profile.self.cycles-pp.mas_prev_slot
0.62 -0.0 0.58 -0.0 0.58 +0.0 0.64 perf-profile.self.cycles-pp.entry_SYSCALL_64
0.17 -0.0 0.13 -0.0 0.15 -0.0 0.16 ± 3% perf-profile.self.cycles-pp.do_mmap
0.48 -0.0 0.44 -0.0 0.44 +0.0 0.48 perf-profile.self.cycles-pp.__mmap
0.49 -0.0 0.45 -0.0 0.46 +0.0 0.50 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.35 -0.0 0.32 -0.0 0.32 +0.0 0.35 perf-profile.self.cycles-pp.vms_gather_munmap_vmas
0.18 -0.0 0.15 ± 2% -0.0 0.17 +0.0 0.19 perf-profile.self.cycles-pp.thp_get_unmapped_area_vmflags
0.49 -0.0 0.46 -0.0 0.46 +0.0 0.50 perf-profile.self.cycles-pp.mas_next_slot
0.42 -0.0 0.39 -0.0 0.39 +0.0 0.43 perf-profile.self.cycles-pp.__munmap
0.48 -0.0 0.45 -0.0 0.45 +0.0 0.50 perf-profile.self.cycles-pp.perf_iterate_sb
0.10 -0.0 0.07 ± 5% -0.0 0.08 -0.0 0.09 perf-profile.self.cycles-pp.__get_unmapped_area
0.40 -0.0 0.37 -0.0 0.37 +0.0 0.40 perf-profile.self.cycles-pp.mas_rev_awalk
0.48 -0.0 0.45 -0.0 0.46 +0.0 0.50 perf-profile.self.cycles-pp.mas_walk
0.31 -0.0 0.28 +0.0 0.31 +0.0 0.33 perf-profile.self.cycles-pp.kmem_cache_free
0.37 -0.0 0.34 -0.0 0.34 +0.0 0.37 perf-profile.self.cycles-pp.__vm_munmap
0.30 -0.0 0.28 -0.0 0.28 +0.0 0.31 perf-profile.self.cycles-pp.__vma_start_exclude_readers
0.31 -0.0 0.29 -0.0 0.29 +0.0 0.32 perf-profile.self.cycles-pp.mas_wr_store_type
0.36 -0.0 0.34 -0.0 0.34 +0.0 0.37 perf-profile.self.cycles-pp.perf_event_mmap
0.37 -0.0 0.35 -0.0 0.34 +0.0 0.38 perf-profile.self.cycles-pp.mas_preallocate
0.32 -0.0 0.30 -0.0 0.30 +0.0 0.33 perf-profile.self.cycles-pp.vma_merge_new_range
0.68 -0.0 0.66 -0.0 0.66 +0.0 0.72 perf-profile.self.cycles-pp.mas_update_gap
0.29 -0.0 0.27 -0.0 0.27 +0.0 0.30 perf-profile.self.cycles-pp.__rcu_free_sheaf_prepare
0.18 -0.0 0.16 -0.0 0.16 ± 3% +0.0 0.19 ± 2% perf-profile.self.cycles-pp.rcu_free_sheaf
0.33 -0.0 0.31 -0.0 0.31 +0.0 0.34 perf-profile.self.cycles-pp.vm_area_alloc
0.37 -0.0 0.35 -0.0 0.35 +0.0 0.39 perf-profile.self.cycles-pp.mas_find
0.07 -0.0 0.05 -0.0 0.07 ± 6% +0.0 0.07 ± 4% perf-profile.self.cycles-pp.unlink_file_vma_batch_add
0.38 -0.0 0.36 -0.0 0.36 +0.0 0.39 perf-profile.self.cycles-pp.mas_store_prealloc
0.26 -0.0 0.24 -0.0 0.24 +0.0 0.27 perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown
0.25 -0.0 0.23 ± 2% -0.0 0.23 +0.0 0.26 perf-profile.self.cycles-pp.up_read
0.26 -0.0 0.24 -0.0 0.24 +0.0 0.26 perf-profile.self.cycles-pp.down_write_killable
0.22 ± 2% -0.0 0.20 -0.0 0.20 ± 3% -0.0 0.22 ± 2% perf-profile.self.cycles-pp.downgrade_write
0.26 -0.0 0.25 -0.0 0.24 +0.0 0.27 perf-profile.self.cycles-pp.__kfree_rcu_sheaf
0.20 ± 2% -0.0 0.19 -0.0 0.20 +0.0 0.22 perf-profile.self.cycles-pp.vms_complete_munmap_vmas
0.18 ± 2% -0.0 0.16 ± 2% -0.0 0.16 +0.0 0.18 ± 3% perf-profile.self.cycles-pp.mas_wr_walk_descend
0.18 ± 2% -0.0 0.16 ± 3% -0.0 0.16 +0.0 0.18 perf-profile.self.cycles-pp.mas_empty_area_rev
0.19 ± 2% -0.0 0.18 -0.0 0.18 +0.0 0.20 perf-profile.self.cycles-pp.do_syscall_64
0.50 -0.0 0.49 -0.0 0.48 +0.0 0.51 perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
0.38 -0.0 0.37 -0.0 0.37 +0.0 0.41 perf-profile.self.cycles-pp.unmapped_area_topdown
0.17 -0.0 0.16 -0.0 0.16 ± 3% +0.0 0.17 perf-profile.self.cycles-pp.tlb_finish_mmu
0.17 -0.0 0.16 -0.0 0.16 ± 2% +0.0 0.17 perf-profile.self.cycles-pp.__vma_start_write
0.10 -0.0 0.09 -0.0 0.09 -0.0 0.10 perf-profile.self.cycles-pp.free_pgd_range
0.07 -0.0 0.06 -0.0 0.06 +0.0 0.07 perf-profile.self.cycles-pp.mas_prev
0.13 -0.0 0.12 -0.0 0.12 +0.0 0.13 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.12 -0.0 0.11 -0.0 0.11 ± 2% +0.0 0.12 ± 2% perf-profile.self.cycles-pp.security_vm_enough_memory_mm
0.06 -0.0 0.05 -0.0 0.05 +0.0 0.06 perf-profile.self.cycles-pp.mmap_region
0.18 ± 2% -0.0 0.18 ± 2% -0.0 0.17 +0.0 0.19 perf-profile.self.cycles-pp.tlb_gather_mmu
0.14 -0.0 0.13 ± 2% -0.0 0.13 +0.0 0.14 perf-profile.self.cycles-pp.__mmap_new_vma
0.12 -0.0 0.12 ± 3% +0.0 0.12 +0.0 0.13 perf-profile.self.cycles-pp.vm_mmap_pgoff
0.10 +0.0 0.10 -0.0 0.09 -0.0 0.10 perf-profile.self.cycles-pp.kfree
0.07 +0.0 0.07 +0.0 0.07 +0.0 0.08 perf-profile.self.cycles-pp.testcase
0.00 +0.0 0.00 +0.0 0.02 ±129% +0.1 0.05 perf-profile.self.cycles-pp.unlink_anon_vmas
0.22 ± 4% +0.0 0.22 ± 5% -0.0 0.19 ± 5% +0.0 0.22 ± 4% perf-profile.self.cycles-pp.__memcg_slab_free_hook
0.12 ± 3% +0.0 0.12 ± 3% +0.0 0.12 ± 5% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.perf_event_mmap_output
0.43 +0.1 0.50 +0.1 0.50 -0.0 0.42 perf-profile.self.cycles-pp.kvfree_call_rcu
0.29 +0.1 0.41 +0.1 0.38 +0.1 0.42 perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
65.33 +2.5 67.80 +2.4 67.70 -0.7 64.67 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath