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* [linux-next:master] [mm/page_alloc]  91e6912966: will-it-scale.per_process_ops 9.6% regression
@ 2025-11-25 15:10 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-11-25 15:10 UTC (permalink / raw)
  To: Joshua Hahn
  Cc: oe-lkp, lkp, Andrew Morton, Chris Mason, Johannes Weiner,
	Vlastimil Babka, Brendan Jackman, Kirill A. Shutemov,
	Michal Hocko, SeongJae Park, Suren Baghdasaryan, Zi Yan,
	linux-mm, oliver.sang



Hello,

kernel test robot noticed a 9.6% regression of will-it-scale.per_process_ops on:


commit: 91e691296646e68d4116b8303aa11d6de0376aef ("mm/page_alloc: batch page freeing in free_frozen_page_commit")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[still regression on linux-next/master d724c6f85e80a23ed46b7ebc6e38b527c09d64f5]

testcase: will-it-scale
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E  CPU @ 2.4GHz (Sierra Forest) with 256G memory
parameters:

	nr_task: 100%
	mode: process
	test: malloc1
	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 <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202511252236.31d04f3e-lkp@intel.com


Details are as below:
-------------------------------------------------------------------------------------------------->


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251125/202511252236.31d04f3e-lkp@intel.com

=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase:
  gcc-14/performance/x86_64-rhel-9.4/process/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp2/malloc1/will-it-scale

commit: 
  fc4b909c36 ("mm/page_alloc: batch page freeing in decay_pcp_high")
  91e6912966 ("mm/page_alloc: batch page freeing in free_frozen_page_commit")

fc4b909c368f3a7b 91e691296646e68d4116b8303aa 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    206433 ±  6%     -32.7%     138892 ± 15%  cpuidle..usage
 6.544e+09            -9.9%  5.898e+09        numa-numastat.node1.local_node
 6.545e+09            -9.9%  5.899e+09        numa-numastat.node1.numa_hit
   2459941 ± 50%     +58.5%    3898240 ± 45%  numa-meminfo.node1.FilePages
    507990 ± 13%     +30.0%     660169 ±  4%  numa-meminfo.node1.Mapped
   1833312           +16.6%    2137608 ±  2%  numa-meminfo.node1.Shmem
  18243104 ±  3%     -11.5%   16149534 ±  2%  sched_debug.cfs_rq:/.avg_vruntime.min
  18243191 ±  3%     -11.5%   16149615 ±  2%  sched_debug.cfs_rq:/.min_vruntime.min
      1002 ±  6%     -19.4%     808.30 ±  9%  sched_debug.cpu.clock_task.stddev
  65929642           +15.7%   76305261        turbostat.IRQ
    458.61            -2.0%     449.23        turbostat.PkgWatt
     41.81            -5.6%      39.47        turbostat.RAMWatt
  14583208            -9.6%   13187893        will-it-scale.192.processes
     75953            -9.6%      68686        will-it-scale.per_process_ops
  14583208            -9.6%   13187893        will-it-scale.workload
   2697962           +13.6%    3064667        meminfo.Active
   2697938           +13.6%    3064643        meminfo.Active(anon)
    573629 ± 10%     +23.3%     707368 ±  4%  meminfo.Mapped
   1842533           +18.7%    2187453 ±  2%  meminfo.Shmem
      0.23            -0.0        0.20        mpstat.cpu.all.irq%
     16.16           +15.3       31.45        mpstat.cpu.all.soft%
     80.30           -14.8       65.55        mpstat.cpu.all.sys%
      2.69            -0.5        2.21        mpstat.cpu.all.usr%
    615011 ± 50%     +58.5%     974734 ± 45%  numa-vmstat.node1.nr_file_pages
    126884 ± 14%     +30.2%     165141 ±  5%  numa-vmstat.node1.nr_mapped
    458354           +16.6%     534576 ±  2%  numa-vmstat.node1.nr_shmem
 6.545e+09            -9.9%  5.899e+09        numa-vmstat.node1.numa_hit
 6.544e+09            -9.9%  5.898e+09        numa-vmstat.node1.numa_local
      4208 ±  4%     +60.8%       6766 ±  4%  perf-c2c.DRAM.local
      1534 ±  8%     +69.4%       2598 ±  7%  perf-c2c.DRAM.remote
     29689 ±  4%     +48.1%      43973 ±  5%  perf-c2c.HITM.local
    554.50 ±  9%     +94.5%       1078 ±  3%  perf-c2c.HITM.remote
     30244 ±  4%     +49.0%      45051 ±  4%  perf-c2c.HITM.total
      4.64 ±  5%     +24.4%       5.78 ±  9%  perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
    186.08 ± 15%    +164.0%     491.26 ± 74%  perf-sched.sch_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
      4.64 ±  5%     +24.4%       5.78 ±  9%  perf-sched.total_sch_delay.average.ms
    186.08 ± 15%    +164.0%     491.26 ± 74%  perf-sched.total_sch_delay.max.ms
     92.26 ±  4%      -9.9%      83.10 ±  5%  perf-sched.total_wait_and_delay.average.ms
      4890 ±  2%     -12.6%       4273 ± 13%  perf-sched.total_wait_and_delay.max.ms
     87.62 ±  5%     -11.7%      77.33 ±  5%  perf-sched.total_wait_time.average.ms
      4888 ±  2%     -12.6%       4273 ± 13%  perf-sched.total_wait_time.max.ms
     92.26 ±  4%      -9.9%      83.10 ±  5%  perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
      4890 ±  2%     -12.6%       4273 ± 13%  perf-sched.wait_and_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
     87.62 ±  5%     -11.7%      77.33 ±  5%  perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
      4888 ±  2%     -12.6%       4273 ± 13%  perf-sched.wait_time.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
    674557           +13.6%     766573        proc-vmstat.nr_active_anon
    214716            +2.5%     220167        proc-vmstat.nr_anon_pages
   1374221            +6.3%    1460788        proc-vmstat.nr_file_pages
     36131            -1.0%      35765        proc-vmstat.nr_kernel_stack
    143405 ± 11%     +23.5%     177053 ±  4%  proc-vmstat.nr_mapped
    460675           +18.8%     547242 ±  2%  proc-vmstat.nr_shmem
    414554            -3.5%     399875        proc-vmstat.nr_slab_unreclaimable
    674557           +13.6%     766573        proc-vmstat.nr_zone_active_anon
 1.322e+10            -9.5%  1.197e+10        proc-vmstat.numa_hit
 1.321e+10            -9.5%  1.196e+10        proc-vmstat.numa_local
  1.33e+10            -9.4%  1.205e+10        proc-vmstat.pgalloc_normal
 4.392e+09            -9.5%  3.975e+09        proc-vmstat.pgfault
 1.329e+10            -9.4%  1.204e+10        proc-vmstat.pgfree
      3.66            -2.1%       3.58        perf-stat.i.MPKI
 8.586e+10            -8.2%  7.884e+10        perf-stat.i.branch-instructions
  90110201            -7.9%   82960676        perf-stat.i.branch-misses
 1.488e+09           -10.1%  1.337e+09        perf-stat.i.cache-misses
 1.734e+09            -9.8%  1.564e+09        perf-stat.i.cache-references
      8256            +6.5%       8791        perf-stat.i.context-switches
      1.50            +9.3%       1.64        perf-stat.i.cpi
    411.41           +11.7%     459.35        perf-stat.i.cycles-between-cache-misses
  4.07e+11            -8.3%  3.734e+11        perf-stat.i.instructions
      0.67            -8.4%       0.61        perf-stat.i.ipc
    150.37            -9.8%     135.62        perf-stat.i.metric.K/sec
  14460151            -9.6%   13065829        perf-stat.i.minor-faults
  14460151            -9.6%   13065829        perf-stat.i.page-faults
      3.66            -2.0%       3.58        perf-stat.overall.MPKI
      1.50            +9.3%       1.64        perf-stat.overall.cpi
    411.27           +11.5%     458.65        perf-stat.overall.cycles-between-cache-misses
      0.67            -8.5%       0.61        perf-stat.overall.ipc
   8456676            +1.7%    8598204        perf-stat.overall.path-length
 8.542e+10            -8.4%  7.824e+10        perf-stat.ps.branch-instructions
  89606265            -8.2%   82288752        perf-stat.ps.branch-misses
  1.48e+09           -10.3%  1.327e+09        perf-stat.ps.cache-misses
 1.725e+09           -10.0%  1.552e+09        perf-stat.ps.cache-references
      8215            +6.0%       8711        perf-stat.ps.context-switches
 4.049e+11            -8.5%  3.706e+11        perf-stat.ps.instructions
  14380750            -9.8%   12967064        perf-stat.ps.minor-faults
  14380750            -9.8%   12967064        perf-stat.ps.page-faults
 1.233e+14            -8.1%  1.134e+14        perf-stat.total.instructions
     11.94 ±  5%      -5.1        6.84 ±  8%  perf-profile.calltrace.cycles-pp.rmqueue_pcplist.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol
     11.55 ±  5%      -4.9        6.63 ±  8%  perf-profile.calltrace.cycles-pp.__rmqueue_pcplist.rmqueue_pcplist.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof
     10.34 ±  6%      -4.4        5.94 ±  9%  perf-profile.calltrace.cycles-pp.rmqueue_bulk.__rmqueue_pcplist.rmqueue_pcplist.rmqueue.get_page_from_freelist
     11.11 ±  5%      -4.2        6.94 ±  8%  perf-profile.calltrace.cycles-pp.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof
     33.44            -3.9       29.56        perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
     33.01            -3.9       29.15        perf-profile.calltrace.cycles-pp.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
     33.62            -3.8       29.77        perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
     34.50            -3.8       30.67        perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
     34.44            -3.8       30.63        perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
     34.75            -3.8       30.94        perf-profile.calltrace.cycles-pp.asm_exc_page_fault
     36.73            -3.5       33.26        perf-profile.calltrace.cycles-pp.__munmap
     35.97            -3.5       32.51        perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
     35.98            -3.5       32.52        perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
     35.72            -3.4       32.28        perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe
     35.55            -3.4       32.11        perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64
     36.15            -3.4       32.72        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap
     36.12            -3.4       32.69        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
     31.06            -3.3       27.72        perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
     31.80            -3.3       28.50        perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
      4.44 ±  6%      -3.0        1.47 ± 15%  perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.rmqueue_bulk.__rmqueue_pcplist
      4.44 ±  6%      -3.0        1.47 ± 15%  perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.rmqueue_bulk
      4.45 ±  6%      -3.0        1.48 ± 15%  perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.rmqueue_bulk.__rmqueue_pcplist.rmqueue_pcplist.rmqueue
      4.45 ±  6%      -3.0        1.48 ± 15%  perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.rmqueue_bulk.__rmqueue_pcplist.rmqueue_pcplist
      5.06 ±  5%      -2.7        2.33 ±  9%  perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
      5.06 ±  5%      -2.7        2.33 ±  9%  perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt
     13.06 ±  2%      -2.6       10.41 ±  3%  perf-profile.calltrace.cycles-pp.__pte_alloc.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
     12.43 ±  2%      -2.6        9.83 ±  3%  perf-profile.calltrace.cycles-pp.pte_alloc_one.__pte_alloc.do_anonymous_page.__handle_mm_fault.handle_mm_fault
     12.31 ±  2%      -2.6        9.72 ±  3%  perf-profile.calltrace.cycles-pp.alloc_pages_noprof.pte_alloc_one.__pte_alloc.do_anonymous_page.__handle_mm_fault
     12.25 ±  2%      -2.6        9.66 ±  3%  perf-profile.calltrace.cycles-pp.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one.__pte_alloc.do_anonymous_page
     12.20 ±  2%      -2.6        9.62 ±  3%  perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one.__pte_alloc
     11.18 ±  3%      -2.5        8.70 ±  3%  perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one
      7.36 ±  4%      -2.2        5.18 ±  5%  perf-profile.calltrace.cycles-pp.free_pgd_range.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap
      7.31 ±  4%      -2.2        5.13 ±  5%  perf-profile.calltrace.cycles-pp.free_p4d_range.free_pgd_range.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas
      7.23 ±  4%      -2.2        5.05 ±  5%  perf-profile.calltrace.cycles-pp.free_pud_range.free_p4d_range.free_pgd_range.free_pgtables.vms_clear_ptes
      8.20 ±  4%      -2.2        6.04 ±  4%  perf-profile.calltrace.cycles-pp.free_pgtables.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
      6.12 ±  5%      -2.1        4.01 ±  6%  perf-profile.calltrace.cycles-pp.tlb_remove_table.free_pud_range.free_p4d_range.free_pgd_range.free_pgtables
      5.97 ±  5%      -2.1        3.88 ±  7%  perf-profile.calltrace.cycles-pp.get_free_pages_noprof.tlb_remove_table.free_pud_range.free_p4d_range.free_pgd_range
      5.96 ±  5%      -2.1        3.87 ±  7%  perf-profile.calltrace.cycles-pp.alloc_pages_noprof.get_free_pages_noprof.tlb_remove_table.free_pud_range.free_p4d_range
      5.92 ±  5%      -2.1        3.83 ±  7%  perf-profile.calltrace.cycles-pp.alloc_pages_mpol.alloc_pages_noprof.get_free_pages_noprof.tlb_remove_table.free_pud_range
      5.86 ±  5%      -2.1        3.78 ±  7%  perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.get_free_pages_noprof.tlb_remove_table
      5.78 ±  5%      -2.1        3.71 ±  7%  perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.get_free_pages_noprof
     17.78            -1.0       16.76        perf-profile.calltrace.cycles-pp.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
      9.21            -0.8        8.37        perf-profile.calltrace.cycles-pp.flush_tlb_func.flush_tlb_mm_range.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas
      9.03            -0.8        8.22        perf-profile.calltrace.cycles-pp.native_flush_tlb_one_user.flush_tlb_func.flush_tlb_mm_range.tlb_finish_mmu.vms_clear_ptes
      9.98            -0.6        9.36 ±  2%  perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap
      9.57            -0.6        9.02 ±  3%  perf-profile.calltrace.cycles-pp.__mmap
      0.96 ±  5%      -0.5        0.43 ± 44%  perf-profile.calltrace.cycles-pp.rmqueue.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof
      2.46 ±  2%      -0.5        1.96        perf-profile.calltrace.cycles-pp.alloc_anon_folio.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
      8.38 ±  2%      -0.5        7.87 ±  3%  perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
      8.90 ±  2%      -0.5        8.40 ±  3%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap
      8.86 ±  2%      -0.5        8.37 ±  3%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
      6.25            -0.5        5.77 ±  3%  perf-profile.calltrace.cycles-pp.clear_page_erms.prep_new_page.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol
      8.68 ±  2%      -0.5        8.20 ±  3%  perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
      2.11 ±  2%      -0.5        1.64        perf-profile.calltrace.cycles-pp.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio.do_anonymous_page.__handle_mm_fault
      2.14 ±  2%      -0.5        1.67        perf-profile.calltrace.cycles-pp.vma_alloc_folio_noprof.alloc_anon_folio.do_anonymous_page.__handle_mm_fault.handle_mm_fault
      2.08 ±  2%      -0.5        1.60        perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio.do_anonymous_page
      2.02 ±  2%      -0.5        1.55        perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio
      5.43            -0.4        4.99 ±  3%  perf-profile.calltrace.cycles-pp.prep_new_page.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof
      5.19 ±  2%      -0.4        4.77 ±  5%  perf-profile.calltrace.cycles-pp.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
      7.35 ±  2%      -0.4        6.93 ±  3%  perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
      2.54 ±  3%      -0.3        2.27 ±  6%  perf-profile.calltrace.cycles-pp.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff
      2.27 ±  3%      -0.2        2.04 ±  6%  perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.__mmap_new_vma.__mmap_region.do_mmap
      2.61            -0.2        2.42 ±  3%  perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
      4.94            -0.2        4.79        perf-profile.calltrace.cycles-pp.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
      2.93            -0.1        2.78        perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes
      4.82            -0.1        4.67        perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap
      0.72 ±  7%      -0.1        0.59 ±  7%  perf-profile.calltrace.cycles-pp.___slab_alloc.__kmem_cache_alloc_bulk.__pcs_replace_empty_main.kmem_cache_alloc_noprof.mas_alloc_nodes
      4.65            -0.1        4.52        perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas
      0.80            -0.1        0.70 ±  2%  perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap.vm_mmap_pgoff.do_syscall_64
      0.90            -0.1        0.80 ±  2%  perf-profile.calltrace.cycles-pp.__get_unmapped_area.do_mmap.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
      1.37            -0.1        1.28 ±  2%  perf-profile.calltrace.cycles-pp.__vmf_anon_prepare.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
      1.19            -0.1        1.11        perf-profile.calltrace.cycles-pp.__anon_vma_prepare.__vmf_anon_prepare.do_anonymous_page.__handle_mm_fault.handle_mm_fault
      0.65            -0.1        0.58 ±  3%  perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap.vm_mmap_pgoff
      0.64            -0.1        0.58 ±  2%  perf-profile.calltrace.cycles-pp.unmapped_area_topdown.vm_unmapped_area.arch_get_unmapped_area_topdown.__get_unmapped_area.do_mmap
      0.74            -0.1        0.68        perf-profile.calltrace.cycles-pp.__cond_resched.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes
      0.62            -0.0        0.57 ±  2%  perf-profile.calltrace.cycles-pp.pmd_install.__pte_alloc.do_anonymous_page.__handle_mm_fault.handle_mm_fault
      0.88            -0.0        0.84 ±  2%  perf-profile.calltrace.cycles-pp.prep_new_page.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof
      0.79            -0.0        0.75        perf-profile.calltrace.cycles-pp.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff.do_syscall_64
      0.62            -0.0        0.59        perf-profile.calltrace.cycles-pp.perf_event_mmap_event.perf_event_mmap.__mmap_region.do_mmap.vm_mmap_pgoff
      0.92            +0.1        0.99 ±  2%  perf-profile.calltrace.cycles-pp.vms_gather_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
      0.62 ±  5%      +0.2        0.86 ±  7%  perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.flush_tlb_mm_range.tlb_finish_mmu
      0.62 ±  5%      +0.2        0.86 ±  7%  perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.flush_tlb_mm_range
      0.64 ±  5%      +0.2        0.88 ±  6%  perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.flush_tlb_mm_range.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas
      0.64 ±  5%      +0.2        0.88 ±  6%  perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.flush_tlb_mm_range.tlb_finish_mmu.vms_clear_ptes
      0.26 ±100%      +0.5        0.74 ±  6%  perf-profile.calltrace.cycles-pp.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu
      0.00            +0.7        0.73 ±  9%  perf-profile.calltrace.cycles-pp.__put_partials.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core
      1.42 ±  3%      +0.8        2.25 ±  2%  perf-profile.calltrace.cycles-pp.tlb_remove_table_rcu.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
      0.97 ±  4%      +0.9        1.92 ±  3%  perf-profile.calltrace.cycles-pp.__free_frozen_pages.tlb_remove_table_rcu.rcu_do_batch.rcu_core.handle_softirqs
      0.71 ±  6%      +1.0        1.66 ±  4%  perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.tlb_remove_table_rcu.rcu_do_batch
      0.67 ±  6%      +1.0        1.62 ±  4%  perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.tlb_remove_table_rcu
      0.79 ±  5%      +1.0        1.76 ±  3%  perf-profile.calltrace.cycles-pp.free_frozen_page_commit.__free_frozen_pages.tlb_remove_table_rcu.rcu_do_batch.rcu_core
      0.76 ±  5%      +1.1        1.87 ±  5%  perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.rcu_do_batch.rcu_core
      0.89 ±  4%      +1.1        2.00 ±  5%  perf-profile.calltrace.cycles-pp.__free_frozen_pages.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
      0.72 ±  5%      +1.1        1.83 ±  5%  perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.rcu_do_batch
      0.82 ±  5%      +1.1        1.93 ±  5%  perf-profile.calltrace.cycles-pp.free_frozen_page_commit.__free_frozen_pages.rcu_do_batch.rcu_core.handle_softirqs
     13.28 ±  3%      +6.3       19.56 ±  3%  perf-profile.calltrace.cycles-pp.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
     12.10 ±  3%      +6.6       18.66 ±  3%  perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.__kmem_cache_free_bulk
     12.37 ±  3%      +6.6       18.94 ±  3%  perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages.__kmem_cache_free_bulk.rcu_free_sheaf
     12.37 ±  3%      +6.6       18.97 ±  3%  perf-profile.calltrace.cycles-pp.free_frozen_page_commit.__free_frozen_pages.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch
     12.38 ±  3%      +6.6       18.98 ±  3%  perf-profile.calltrace.cycles-pp.__free_frozen_pages.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core
     13.17 ±  2%      +6.9       20.12 ±  3%  perf-profile.calltrace.cycles-pp.__kmem_cache_free_bulk.rcu_free_sheaf.rcu_do_batch.rcu_core.handle_softirqs
     17.40 ±  2%      +7.9       25.28 ±  2%  perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm
     17.40 ±  2%      +7.9       25.28 ±  2%  perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm
     17.40 ±  2%      +7.9       25.28 ±  2%  perf-profile.calltrace.cycles-pp.ret_from_fork_asm
     16.74 ±  2%      +8.0       24.71 ±  2%  perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork
     16.74 ±  2%      +8.0       24.71 ±  2%  perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
     16.74 ±  2%      +8.0       24.71 ±  2%  perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread
     16.74 ±  2%      +8.0       24.71 ±  2%  perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn
     16.76 ±  2%      +8.0       24.73 ±  2%  perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
     13.48 ±  3%      +9.1       22.58 ±  3%  perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.free_pcppages_bulk.free_frozen_page_commit.__free_frozen_pages
     20.60 ±  3%      -5.3       15.32 ±  3%  perf-profile.children.cycles-pp.alloc_pages_mpol
     20.46 ±  3%      -5.3       15.19 ±  3%  perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof
     19.30 ±  3%      -5.2       14.15 ±  4%  perf-profile.children.cycles-pp.get_page_from_freelist
     12.26 ±  5%      -4.8        7.50 ±  7%  perf-profile.children.cycles-pp.rmqueue_pcplist
     12.38 ±  5%      -4.7        7.63 ±  7%  perf-profile.children.cycles-pp.rmqueue
     18.27 ±  3%      -4.7       13.60 ±  4%  perf-profile.children.cycles-pp.alloc_pages_noprof
     11.86 ±  5%      -4.7        7.19 ±  8%  perf-profile.children.cycles-pp.__rmqueue_pcplist
     10.64 ±  6%      -4.2        6.42 ±  9%  perf-profile.children.cycles-pp.rmqueue_bulk
     45.25            -3.9       41.32        perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
     45.18            -3.9       41.26        perf-profile.children.cycles-pp.do_syscall_64
     33.45            -3.9       29.57        perf-profile.children.cycles-pp.__handle_mm_fault
     33.02            -3.9       29.15        perf-profile.children.cycles-pp.do_anonymous_page
     33.62            -3.9       29.77        perf-profile.children.cycles-pp.handle_mm_fault
     34.50            -3.8       30.68        perf-profile.children.cycles-pp.exc_page_fault
     34.45            -3.8       30.63        perf-profile.children.cycles-pp.do_user_addr_fault
     34.98            -3.8       31.16        perf-profile.children.cycles-pp.asm_exc_page_fault
     36.87            -3.5       33.39        perf-profile.children.cycles-pp.__munmap
     35.98            -3.5       32.52        perf-profile.children.cycles-pp.__x64_sys_munmap
     35.97            -3.5       32.52        perf-profile.children.cycles-pp.__vm_munmap
      5.54 ±  5%      -3.4        2.09 ±  9%  perf-profile.children.cycles-pp.free_one_page
     35.73            -3.4       32.28        perf-profile.children.cycles-pp.do_vmi_munmap
     35.55            -3.4       32.12        perf-profile.children.cycles-pp.do_vmi_align_munmap
     31.07            -3.3       27.73        perf-profile.children.cycles-pp.vms_clear_ptes
     31.81            -3.3       28.51        perf-profile.children.cycles-pp.vms_complete_munmap_vmas
     13.07 ±  2%      -2.6       10.42 ±  3%  perf-profile.children.cycles-pp.__pte_alloc
     12.43 ±  2%      -2.6        9.83 ±  3%  perf-profile.children.cycles-pp.pte_alloc_one
      7.37 ±  4%      -2.2        5.18 ±  5%  perf-profile.children.cycles-pp.free_pgd_range
      7.23 ±  4%      -2.2        5.06 ±  5%  perf-profile.children.cycles-pp.free_pud_range
      7.31 ±  4%      -2.2        5.13 ±  5%  perf-profile.children.cycles-pp.free_p4d_range
      8.21 ±  4%      -2.2        6.06 ±  4%  perf-profile.children.cycles-pp.free_pgtables
      6.13 ±  5%      -2.1        4.01 ±  6%  perf-profile.children.cycles-pp.tlb_remove_table
      5.97 ±  5%      -2.1        3.88 ±  7%  perf-profile.children.cycles-pp.get_free_pages_noprof
      9.77 ±  2%      -1.9        7.82 ±  2%  perf-profile.children.cycles-pp.__irq_exit_rcu
      9.95 ±  2%      -1.9        8.01 ±  2%  perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
      9.97 ±  2%      -1.9        8.03 ±  2%  perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
     17.79            -1.0       16.76        perf-profile.children.cycles-pp.tlb_finish_mmu
      4.65 ±  3%      -0.9        3.73 ±  4%  perf-profile.children.cycles-pp.tlb_remove_table_rcu
      9.21            -0.8        8.37        perf-profile.children.cycles-pp.flush_tlb_func
      9.04            -0.8        8.23        perf-profile.children.cycles-pp.native_flush_tlb_one_user
      9.99            -0.6        9.37 ±  2%  perf-profile.children.cycles-pp.flush_tlb_mm_range
      9.69            -0.6        9.13 ±  3%  perf-profile.children.cycles-pp.__mmap
      2.46 ±  2%      -0.5        1.96        perf-profile.children.cycles-pp.alloc_anon_folio
      8.39 ±  2%      -0.5        7.88 ±  3%  perf-profile.children.cycles-pp.do_mmap
      6.33            -0.5        5.84 ±  3%  perf-profile.children.cycles-pp.prep_new_page
      8.69            -0.5        8.20 ±  3%  perf-profile.children.cycles-pp.vm_mmap_pgoff
      6.26            -0.5        5.78 ±  3%  perf-profile.children.cycles-pp.clear_page_erms
      2.15 ±  2%      -0.5        1.68        perf-profile.children.cycles-pp.vma_alloc_folio_noprof
      5.20 ±  2%      -0.4        4.78 ±  5%  perf-profile.children.cycles-pp.__mmap_new_vma
      7.37 ±  2%      -0.4        6.96 ±  3%  perf-profile.children.cycles-pp.__mmap_region
      3.21 ±  3%      -0.3        2.90 ±  5%  perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
      2.55 ±  3%      -0.3        2.28 ±  6%  perf-profile.children.cycles-pp.mas_preallocate
      2.51 ±  3%      -0.3        2.24 ±  6%  perf-profile.children.cycles-pp.mas_alloc_nodes
      0.87 ±  4%      -0.2        0.70 ±  4%  perf-profile.children.cycles-pp.rcu_cblist_dequeue
      0.64 ±  4%      -0.2        0.48 ±  4%  perf-profile.children.cycles-pp.___free_pages
      4.94            -0.2        4.79        perf-profile.children.cycles-pp.unmap_vmas
      2.94            -0.1        2.80        perf-profile.children.cycles-pp.zap_pte_range
      4.82            -0.1        4.68        perf-profile.children.cycles-pp.unmap_page_range
      0.73 ±  8%      -0.1        0.59 ±  7%  perf-profile.children.cycles-pp.___slab_alloc
      4.70            -0.1        4.57        perf-profile.children.cycles-pp.zap_pmd_range
      0.81            -0.1        0.71 ±  2%  perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown
      1.37            -0.1        1.28 ±  2%  perf-profile.children.cycles-pp.__vmf_anon_prepare
      0.90            -0.1        0.81 ±  2%  perf-profile.children.cycles-pp.__get_unmapped_area
      0.33 ±  2%      -0.1        0.24 ±  3%  perf-profile.children.cycles-pp.mas_wr_store_type
      1.20            -0.1        1.11        perf-profile.children.cycles-pp.__anon_vma_prepare
      0.29 ±  9%      -0.1        0.21 ±  7%  perf-profile.children.cycles-pp.allocate_slab
      0.43 ±  5%      -0.1        0.35 ±  2%  perf-profile.children.cycles-pp._raw_spin_trylock
      0.15 ± 13%      -0.1        0.08 ± 22%  perf-profile.children.cycles-pp.refresh_cpu_vm_stats
      0.15 ± 13%      -0.1        0.08 ± 22%  perf-profile.children.cycles-pp.vmstat_update
      0.65            -0.1        0.58 ±  3%  perf-profile.children.cycles-pp.vm_unmapped_area
      0.65            -0.1        0.58 ±  2%  perf-profile.children.cycles-pp.unmapped_area_topdown
      0.97            -0.1        0.90        perf-profile.children.cycles-pp.__cond_resched
      0.51 ±  3%      -0.1        0.45 ±  4%  perf-profile.children.cycles-pp.__kfree_rcu_sheaf
      0.86 ±  2%      -0.1        0.81 ±  4%  perf-profile.children.cycles-pp.kvfree_call_rcu
      0.47 ±  2%      -0.1        0.41 ±  3%  perf-profile.children.cycles-pp.vm_area_alloc
      0.10 ± 11%      -0.1        0.05 ± 46%  perf-profile.children.cycles-pp.folio_alloc_mpol_noprof
      0.10 ± 11%      -0.1        0.05 ± 46%  perf-profile.children.cycles-pp.shmem_alloc_folio
      0.26 ±  6%      -0.1        0.20 ±  3%  perf-profile.children.cycles-pp.free_unref_folios
      0.12 ± 17%      -0.1        0.07 ± 25%  perf-profile.children.cycles-pp.decay_pcp_high
      0.52            -0.0        0.48 ±  2%  perf-profile.children.cycles-pp.find_mergeable_anon_vma
      0.13 ± 10%      -0.0        0.08 ± 10%  perf-profile.children.cycles-pp.shmem_get_folio_gfp
      0.13 ± 10%      -0.0        0.08 ± 10%  perf-profile.children.cycles-pp.shmem_write_begin
      0.12 ± 10%      -0.0        0.08 ±  8%  perf-profile.children.cycles-pp.shmem_alloc_and_add_folio
      0.50            -0.0        0.45 ±  2%  perf-profile.children.cycles-pp.native_irq_return_iret
      0.62            -0.0        0.57 ±  2%  perf-profile.children.cycles-pp.pmd_install
      0.32 ±  2%      -0.0        0.28 ±  7%  perf-profile.children.cycles-pp.barn_get_empty_sheaf
      0.18 ±  9%      -0.0        0.14 ±  9%  perf-profile.children.cycles-pp.handle_internal_command
      0.18 ±  9%      -0.0        0.14 ±  9%  perf-profile.children.cycles-pp.main
      0.18 ±  9%      -0.0        0.14 ±  9%  perf-profile.children.cycles-pp.run_builtin
      0.49            -0.0        0.44        perf-profile.children.cycles-pp.entry_SYSCALL_64
      0.16 ±  9%      -0.0        0.12 ±  8%  perf-profile.children.cycles-pp.generic_perform_write
      0.47 ±  2%      -0.0        0.43 ±  3%  perf-profile.children.cycles-pp.page_counter_uncharge
      0.17 ±  9%      -0.0        0.13 ±  7%  perf-profile.children.cycles-pp.perf_mmap__push
      0.80            -0.0        0.76        perf-profile.children.cycles-pp.perf_event_mmap
      0.16 ±  9%      -0.0        0.12 ± 10%  perf-profile.children.cycles-pp.shmem_file_write_iter
      0.16 ±  9%      -0.0        0.12 ± 10%  perf-profile.children.cycles-pp.vfs_write
      0.17 ±  9%      -0.0        0.13 ±  9%  perf-profile.children.cycles-pp.record__mmap_read_evlist
      0.16 ±  8%      -0.0        0.12 ± 11%  perf-profile.children.cycles-pp.record__pushfn
      0.36            -0.0        0.32 ±  2%  perf-profile.children.cycles-pp.mas_prev_slot
      0.16 ±  9%      -0.0        0.12 ± 11%  perf-profile.children.cycles-pp.ksys_write
      0.40            -0.0        0.36 ±  2%  perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
      0.63            -0.0        0.60        perf-profile.children.cycles-pp.perf_event_mmap_event
      0.44            -0.0        0.41 ±  2%  perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios
      0.31            -0.0        0.28 ±  5%  perf-profile.children.cycles-pp.mas_empty_area_rev
      0.39            -0.0        0.36 ±  3%  perf-profile.children.cycles-pp.uncharge_batch
      0.48 ±  2%      -0.0        0.44 ±  2%  perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
      0.24 ±  2%      -0.0        0.21 ±  2%  perf-profile.children.cycles-pp.mas_rev_awalk
      0.38 ±  2%      -0.0        0.35 ±  3%  perf-profile.children.cycles-pp.perf_iterate_sb
      0.06            -0.0        0.03 ± 70%  perf-profile.children.cycles-pp.__vm_enough_memory
      0.24 ±  2%      -0.0        0.22 ±  3%  perf-profile.children.cycles-pp.__rcu_free_sheaf_prepare
      0.36 ±  2%      -0.0        0.34 ±  2%  perf-profile.children.cycles-pp.lock_vma_under_rcu
      0.28 ±  2%      -0.0        0.26 ±  3%  perf-profile.children.cycles-pp.zap_present_ptes
      0.23 ±  2%      -0.0        0.21 ±  2%  perf-profile.children.cycles-pp.__call_rcu_common
      0.30            -0.0        0.28 ±  4%  perf-profile.children.cycles-pp.mas_leaf_max_gap
      0.22 ±  2%      -0.0        0.20 ±  3%  perf-profile.children.cycles-pp.sync_regs
      0.18 ±  2%      -0.0        0.16 ±  2%  perf-profile.children.cycles-pp.error_entry
      0.09 ±  5%      -0.0        0.07 ±  7%  perf-profile.children.cycles-pp.syscall_return_via_sysret
      0.32            -0.0        0.31 ±  4%  perf-profile.children.cycles-pp.mas_update_gap
      0.16 ±  3%      -0.0        0.14 ±  4%  perf-profile.children.cycles-pp.mod_node_page_state
      0.20            -0.0        0.18 ±  2%  perf-profile.children.cycles-pp.lru_gen_del_folio
      0.14 ±  3%      -0.0        0.12 ±  3%  perf-profile.children.cycles-pp.__memcg_kmem_uncharge_page
      0.14 ±  4%      -0.0        0.12 ±  5%  perf-profile.children.cycles-pp.folio_remove_rmap_ptes
      0.14 ±  3%      -0.0        0.13 ±  6%  perf-profile.children.cycles-pp.barn_replace_empty_sheaf
      0.14 ±  3%      -0.0        0.13 ±  3%  perf-profile.children.cycles-pp.charge_memcg
      0.12 ±  6%      -0.0        0.10 ±  8%  perf-profile.children.cycles-pp.may_expand_vm
      0.29 ±  2%      -0.0        0.27        perf-profile.children.cycles-pp.lru_add
      0.12 ±  4%      -0.0        0.10 ±  3%  perf-profile.children.cycles-pp.mas_prev
      0.06            +0.0        0.08 ±  6%  perf-profile.children.cycles-pp.security_mmap_file
      0.28 ±  2%      +0.0        0.30        perf-profile.children.cycles-pp.__free_one_page
      0.10 ±  3%      +0.0        0.14 ±  2%  perf-profile.children.cycles-pp.security_vm_enough_memory_mm
      0.72 ±  2%      +0.0        0.76 ±  2%  perf-profile.children.cycles-pp.mas_find
      0.05            +0.0        0.09 ±  5%  perf-profile.children.cycles-pp.vm_area_free
      0.11 ±  3%      +0.0        0.15 ± 12%  perf-profile.children.cycles-pp.irqentry_exit_to_user_mode
      0.02 ±141%      +0.0        0.06        perf-profile.children.cycles-pp.mas_wr_store_entry
      0.94            +0.1        1.01 ±  2%  perf-profile.children.cycles-pp.vms_gather_munmap_vmas
      0.11 ±  4%      +0.1        0.18 ±  5%  perf-profile.children.cycles-pp.kfree
      0.00            +0.1        0.07 ±  5%  perf-profile.children.cycles-pp.vm_get_page_prot
      0.00            +0.1        0.08 ± 22%  perf-profile.children.cycles-pp.exit_to_user_mode_loop
      0.00            +0.1        0.12 ± 32%  perf-profile.children.cycles-pp.arch_do_signal_or_restart
      0.00            +0.2        0.15 ± 34%  perf-profile.children.cycles-pp.__local_bh_enable_ip
      0.00            +0.2        0.15 ± 34%  perf-profile.children.cycles-pp.do_softirq
      0.78 ±  6%      +0.3        1.11 ± 10%  perf-profile.children.cycles-pp.__put_partials
     49.02            +4.3       53.32 ±  2%  perf-profile.children.cycles-pp._raw_spin_lock_irqsave
     48.84            +4.3       53.15 ±  2%  perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
     26.52            +6.2       32.67 ±  2%  perf-profile.children.cycles-pp.rcu_core
     26.51            +6.2       32.66 ±  2%  perf-profile.children.cycles-pp.rcu_do_batch
     26.52            +6.2       32.68 ±  2%  perf-profile.children.cycles-pp.handle_softirqs
     16.55 ±  2%      +7.8       24.38 ±  3%  perf-profile.children.cycles-pp.rcu_free_sheaf
     16.26 ±  2%      +7.9       24.12 ±  3%  perf-profile.children.cycles-pp.__kmem_cache_free_bulk
     17.41 ±  2%      +7.9       25.28 ±  2%  perf-profile.children.cycles-pp.ret_from_fork
     17.41 ±  2%      +7.9       25.28 ±  2%  perf-profile.children.cycles-pp.ret_from_fork_asm
     17.40 ±  2%      +7.9       25.28 ±  2%  perf-profile.children.cycles-pp.kthread
     16.74 ±  2%      +8.0       24.71 ±  2%  perf-profile.children.cycles-pp.run_ksoftirqd
     16.76 ±  2%      +8.0       24.73 ±  2%  perf-profile.children.cycles-pp.smpboot_thread_fn
     17.17 ±  2%      +9.9       27.02 ±  2%  perf-profile.children.cycles-pp.free_pcppages_bulk
     17.73           +10.0       27.69 ±  2%  perf-profile.children.cycles-pp.__free_frozen_pages
     17.47 ±  2%     +10.0       27.45 ±  2%  perf-profile.children.cycles-pp.free_frozen_page_commit
      9.03            -0.8        8.22        perf-profile.self.cycles-pp.native_flush_tlb_one_user
      5.91            -0.6        5.30 ±  3%  perf-profile.self.cycles-pp.clear_page_erms
      0.79 ±  6%      -0.2        0.60 ±  5%  perf-profile.self.cycles-pp.__rmqueue_pcplist
      2.21            -0.2        2.04        perf-profile.self.cycles-pp.zap_pte_range
      0.87 ±  4%      -0.2        0.70 ±  5%  perf-profile.self.cycles-pp.rcu_cblist_dequeue
      0.64 ±  5%      -0.2        0.48 ±  4%  perf-profile.self.cycles-pp.___free_pages
      0.48 ±  7%      -0.1        0.35 ±  6%  perf-profile.self.cycles-pp.tlb_remove_table_rcu
      0.61            -0.1        0.51 ±  2%  perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
      1.94            -0.1        1.85 ±  4%  perf-profile.self.cycles-pp.__pi_memcpy
      1.04            -0.1        0.95 ±  2%  perf-profile.self.cycles-pp.free_pud_range
      0.31            -0.1        0.22 ±  2%  perf-profile.self.cycles-pp.mas_wr_store_type
      0.62            -0.1        0.55        perf-profile.self.cycles-pp.__cond_resched
      0.49            -0.1        0.44 ±  2%  perf-profile.self.cycles-pp.pmd_install
      0.25 ±  5%      -0.1        0.20 ±  2%  perf-profile.self.cycles-pp.__alloc_frozen_pages_noprof
      0.57            -0.1        0.52        perf-profile.self.cycles-pp.mas_wr_node_store
      0.13            -0.1        0.08        perf-profile.self.cycles-pp.tlb_finish_mmu
      0.33            -0.0        0.29 ±  2%  perf-profile.self.cycles-pp.mas_prev_slot
      0.49            -0.0        0.45 ±  2%  perf-profile.self.cycles-pp.native_irq_return_iret
      0.44            -0.0        0.40 ±  3%  perf-profile.self.cycles-pp.page_counter_uncharge
      0.40            -0.0        0.36 ±  2%  perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
      0.14 ±  2%      -0.0        0.10 ±  4%  perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown
      0.31 ±  2%      -0.0        0.28 ±  3%  perf-profile.self.cycles-pp.perf_iterate_sb
      0.18 ±  2%      -0.0        0.15 ±  5%  perf-profile.self.cycles-pp.free_pcppages_bulk
      0.28 ±  2%      -0.0        0.25 ±  4%  perf-profile.self.cycles-pp.mas_leaf_max_gap
      0.11 ±  4%      -0.0        0.08 ±  4%  perf-profile.self.cycles-pp.may_expand_vm
      0.33 ±  2%      -0.0        0.30        perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
      0.16 ±  5%      -0.0        0.13 ±  5%  perf-profile.self.cycles-pp.__lruvec_stat_mod_folio
      0.24 ±  2%      -0.0        0.22 ±  3%  perf-profile.self.cycles-pp.__rcu_free_sheaf_prepare
      0.32            -0.0        0.30        perf-profile.self.cycles-pp._raw_spin_trylock
      0.26 ±  2%      -0.0        0.23 ±  3%  perf-profile.self.cycles-pp.entry_SYSCALL_64
      0.23 ±  3%      -0.0        0.20 ±  2%  perf-profile.self.cycles-pp.__kfree_rcu_sheaf
      0.28 ±  2%      -0.0        0.25 ±  4%  perf-profile.self.cycles-pp.kvfree_call_rcu
      0.16            -0.0        0.14 ±  5%  perf-profile.self.cycles-pp.unlink_anon_vmas
      0.17            -0.0        0.15 ±  3%  perf-profile.self.cycles-pp.flush_tlb_func
      0.09 ±  5%      -0.0        0.06 ±  7%  perf-profile.self.cycles-pp.syscall_return_via_sysret
      0.15 ±  2%      -0.0        0.13 ±  2%  perf-profile.self.cycles-pp.__call_rcu_common
      0.16 ±  2%      -0.0        0.14 ±  2%  perf-profile.self.cycles-pp.mas_preallocate
      0.22 ±  2%      -0.0        0.20 ±  3%  perf-profile.self.cycles-pp.sync_regs
      0.15 ±  2%      -0.0        0.13 ±  3%  perf-profile.self.cycles-pp.tlb_remove_table
      0.15 ±  3%      -0.0        0.13 ±  5%  perf-profile.self.cycles-pp.mod_node_page_state
      0.22 ±  2%      -0.0        0.20 ±  2%  perf-profile.self.cycles-pp.rcu_all_qs
      0.13 ±  2%      -0.0        0.11 ±  3%  perf-profile.self.cycles-pp.mas_rev_awalk
      0.14            -0.0        0.12 ±  3%  perf-profile.self.cycles-pp.vm_area_alloc
      0.18 ±  2%      -0.0        0.16 ±  3%  perf-profile.self.cycles-pp.up_write
      0.11 ±  3%      -0.0        0.09        perf-profile.self.cycles-pp.flush_tlb_mm_range
      0.18 ±  2%      -0.0        0.16 ±  4%  perf-profile.self.cycles-pp.__munmap
      0.12 ±  3%      -0.0        0.10        perf-profile.self.cycles-pp.barn_get_empty_sheaf
      0.17 ±  2%      -0.0        0.15 ±  2%  perf-profile.self.cycles-pp.find_mergeable_anon_vma
      0.15            -0.0        0.13 ±  3%  perf-profile.self.cycles-pp.error_entry
      0.12 ±  4%      -0.0        0.10 ±  3%  perf-profile.self.cycles-pp.percpu_counter_add_batch
      0.19            -0.0        0.18 ±  4%  perf-profile.self.cycles-pp._raw_spin_lock_irqsave
      0.19 ±  2%      -0.0        0.17 ±  2%  perf-profile.self.cycles-pp.do_vmi_align_munmap
      0.23            -0.0        0.22 ±  2%  perf-profile.self.cycles-pp.mas_next_slot
      0.16            -0.0        0.14 ±  3%  perf-profile.self.cycles-pp.mas_store_prealloc
      0.09 ±  4%      -0.0        0.07 ±  6%  perf-profile.self.cycles-pp.do_mmap
      0.15 ±  3%      -0.0        0.14 ±  2%  perf-profile.self.cycles-pp.lock_vma_under_rcu
      0.18 ±  2%      -0.0        0.17 ±  3%  perf-profile.self.cycles-pp.unmapped_area_topdown
      0.20            -0.0        0.19 ±  2%  perf-profile.self.cycles-pp.up_read
      0.10            -0.0        0.09 ±  5%  perf-profile.self.cycles-pp.free_unref_folios
      0.18 ±  2%      -0.0        0.16 ±  2%  perf-profile.self.cycles-pp.__mmap
      0.16            -0.0        0.15 ±  3%  perf-profile.self.cycles-pp.lru_gen_del_folio
      0.10 ±  4%      -0.0        0.09        perf-profile.self.cycles-pp.__pte_offset_map_lock
      0.17            -0.0        0.16 ±  2%  perf-profile.self.cycles-pp.__vma_start_write
      0.14            -0.0        0.13 ±  2%  perf-profile.self.cycles-pp.asm_exc_page_fault
      0.09 ±  4%      -0.0        0.08        perf-profile.self.cycles-pp.vms_gather_munmap_vmas
      0.11 ±  3%      -0.0        0.10        perf-profile.self.cycles-pp.down_write_killable
      0.15 ±  2%      -0.0        0.14        perf-profile.self.cycles-pp.__vm_munmap
      0.06            -0.0        0.05        perf-profile.self.cycles-pp.__folio_batch_add_and_move
      0.06            -0.0        0.05        perf-profile.self.cycles-pp.__mmap_new_vma
      0.06            -0.0        0.05        perf-profile.self.cycles-pp.mas_prev
      0.11            -0.0        0.10        perf-profile.self.cycles-pp.do_user_addr_fault
      0.17            +0.0        0.18 ±  2%  perf-profile.self.cycles-pp.mas_find
      0.55 ±  2%      +0.0        0.59        perf-profile.self.cycles-pp.get_page_from_freelist
      0.94            +0.0        0.97        perf-profile.self.cycles-pp.zap_pmd_range
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.kfree
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.mas_wr_store_entry
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.security_vm_enough_memory_mm
      0.00            +0.1        0.05 ±  8%  perf-profile.self.cycles-pp.vm_area_free
      0.00            +0.1        0.06 ±  7%  perf-profile.self.cycles-pp.vm_get_page_prot
      0.38            +0.1        0.44 ±  2%  perf-profile.self.cycles-pp.mas_store_gfp
     48.84            +4.3       53.15 ±  2%  perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath




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



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