From: kernel test robot <oliver.sang@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-kernel@vger.kernel.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
K Prateek Nayak <kprateek.nayak@amd.com>,
Shubhang Kaushik <shubhang@os.amperecomputing.com>,
<aubrey.li@linux.intel.com>, <yu.c.chen@intel.com>,
<oliver.sang@intel.com>
Subject: [linus:master] [sched/fair] 6e3c0a4e1a: stress-ng.session.ops_per_sec 51.4% improvement
Date: Wed, 18 Mar 2026 21:01:34 +0800 [thread overview]
Message-ID: <202603182038.69cc234c-lkp@intel.com> (raw)
Hello,
kernel test robot noticed a 51.4% improvement of stress-ng.session.ops_per_sec on:
commit: 6e3c0a4e1ad1e0455b7880fad02b3ee179f56c09 ("sched/fair: Fix lag clamp")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: stress-ng
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_threads: 100%
testtime: 60s
test: session
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260318/202603182038.69cc234c-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp3/session/stress-ng/60s
commit:
ff38424030 ("sched/eevdf: Update se->vprot in reweight_entity()")
6e3c0a4e1a ("sched/fair: Fix lag clamp")
ff38424030f98976 6e3c0a4e1ad1e0455b7880fad02
---------------- ---------------------------
%stddev %change %stddev
\ | \
478254 +51.4% 723840 stress-ng.session.ops
7980 +51.4% 12079 stress-ng.session.ops_per_sec
656194 ± 2% +12.6% 738630 stress-ng.time.involuntary_context_switches
5029 ± 51% +156.8% 12918 ± 38% stress-ng.time.major_page_faults
58213485 ± 2% +51.7% 88335329 ± 2% stress-ng.time.minor_page_faults
16275 -3.1% 15770 stress-ng.time.percent_of_cpu_this_job_got
9759 -3.3% 9441 stress-ng.time.system_time
23.87 +57.0% 37.48 ± 2% stress-ng.time.user_time
1831193 +59.6% 2922879 stress-ng.time.voluntary_context_switches
2570608 ± 2% +39.2% 3577083 cpuidle..usage
74656 +52.7% 114033 vmstat.system.cs
437837 +9.1% 477664 vmstat.system.in
0.29 +0.0 0.33 mpstat.cpu.all.irq%
4.94 +2.3 7.21 mpstat.cpu.all.soft%
0.79 +0.1 0.91 mpstat.cpu.all.usr%
45425 ± 20% +60.6% 72939 ± 17% perf-c2c.DRAM.remote
112908 ± 21% +93.3% 218229 ± 16% perf-c2c.HITM.local
32975 ± 20% +51.9% 50091 ± 17% perf-c2c.HITM.remote
145884 ± 21% +83.9% 268320 ± 16% perf-c2c.HITM.total
0.11 +27.3% 0.14 turbostat.IPC
28695444 +10.8% 31799344 turbostat.IRQ
6879930 +7.5% 7392786 turbostat.NMI
323.40 +3.6% 335.06 turbostat.PkgWatt
21.06 +17.8% 24.82 turbostat.RAMWatt
0.26 ± 3% -13.0% 0.22 ± 2% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
0.26 ± 3% -13.0% 0.22 ± 2% perf-sched.total_sch_delay.average.ms
13.73 ± 2% -29.1% 9.73 perf-sched.total_wait_and_delay.average.ms
262247 +46.9% 385362 perf-sched.total_wait_and_delay.count.ms
13.47 ± 2% -29.4% 9.51 perf-sched.total_wait_time.average.ms
13.73 ± 2% -29.1% 9.73 perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
262247 +46.9% 385362 perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown]
13.47 ± 2% -29.4% 9.51 perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
3.65 +40.8% 5.14 perf-stat.i.MPKI
1.261e+10 +22.7% 1.547e+10 perf-stat.i.branch-instructions
0.46 +0.2 0.61 perf-stat.i.branch-miss-rate%
57235407 +63.7% 93698591 perf-stat.i.branch-misses
35.37 +4.7 40.09 perf-stat.i.cache-miss-rate%
2.165e+08 ± 2% +80.4% 3.907e+08 perf-stat.i.cache-misses
6.154e+08 ± 2% +58.9% 9.777e+08 perf-stat.i.cache-references
78047 +52.7% 119160 perf-stat.i.context-switches
9.30 -22.5% 7.21 perf-stat.i.cpi
5.577e+11 -1.0% 5.52e+11 perf-stat.i.cpu-cycles
18887 +55.1% 29287 perf-stat.i.cpu-migrations
2555 -45.1% 1403 perf-stat.i.cycles-between-cache-misses
5.952e+10 +27.7% 7.599e+10 perf-stat.i.instructions
0.11 +28.3% 0.14 perf-stat.i.ipc
10.12 ± 2% +50.3% 15.20 perf-stat.i.metric.K/sec
971562 ± 2% +50.3% 1459851 perf-stat.i.minor-faults
971648 ± 2% +50.3% 1460068 perf-stat.i.page-faults
3.64 +41.5% 5.15 perf-stat.overall.MPKI
0.45 +0.2 0.60 perf-stat.overall.branch-miss-rate%
35.22 +4.8 40.04 perf-stat.overall.cache-miss-rate%
9.32 -22.3% 7.24 perf-stat.overall.cpi
2561 -45.1% 1406 perf-stat.overall.cycles-between-cache-misses
0.11 +28.7% 0.14 perf-stat.overall.ipc
1.222e+10 +23.7% 1.512e+10 perf-stat.ps.branch-instructions
55259322 +65.3% 91335073 perf-stat.ps.branch-misses
2.101e+08 ± 2% +82.0% 3.824e+08 perf-stat.ps.cache-misses
5.966e+08 ± 2% +60.1% 9.552e+08 perf-stat.ps.cache-references
75720 +53.7% 116353 perf-stat.ps.context-switches
18024 +57.6% 28406 perf-stat.ps.cpu-migrations
5.771e+10 +28.7% 7.427e+10 perf-stat.ps.instructions
81.41 ± 51% +156.0% 208.37 ± 38% perf-stat.ps.major-faults
938211 ± 2% +51.7% 1423513 perf-stat.ps.minor-faults
938293 ± 2% +51.7% 1423721 perf-stat.ps.page-faults
3.493e+12 +29.5% 4.525e+12 perf-stat.total.instructions
70.40 -22.2 48.23 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.get_from_partial_node.___slab_alloc.__kmalloc_cache_node_noprof
70.53 -22.1 48.43 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.get_from_partial_node.___slab_alloc.__kmalloc_cache_node_noprof.alloc_fair_sched_group
75.80 -20.8 54.96 perf-profile.calltrace.cycles-pp.get_from_partial_node.___slab_alloc.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group
76.00 -20.7 55.30 perf-profile.calltrace.cycles-pp.___slab_alloc.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach
81.53 -16.2 65.30 perf-profile.calltrace.cycles-pp.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach.ksys_setsid
81.90 -16.0 65.94 perf-profile.calltrace.cycles-pp.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach.ksys_setsid.__x64_sys_setsid
81.91 -16.0 65.95 perf-profile.calltrace.cycles-pp.sched_create_group.sched_autogroup_create_attach.ksys_setsid.__x64_sys_setsid.do_syscall_64
83.08 -15.2 67.87 perf-profile.calltrace.cycles-pp.sched_autogroup_create_attach.ksys_setsid.__x64_sys_setsid.do_syscall_64.entry_SYSCALL_64_after_hwframe
83.10 -15.2 67.90 perf-profile.calltrace.cycles-pp.__x64_sys_setsid.do_syscall_64.entry_SYSCALL_64_after_hwframe.setsid
83.10 -15.2 67.90 perf-profile.calltrace.cycles-pp.ksys_setsid.__x64_sys_setsid.do_syscall_64.entry_SYSCALL_64_after_hwframe.setsid
83.10 -15.2 67.91 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.setsid
83.10 -15.2 67.91 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.setsid
83.10 -15.2 67.92 perf-profile.calltrace.cycles-pp.setsid
0.54 +0.0 0.56 perf-profile.calltrace.cycles-pp.cmd_record
0.54 +0.0 0.56 perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.cmd_record
0.54 +0.0 0.56 perf-profile.calltrace.cycles-pp.record__finish_output.cmd_record
0.53 +0.0 0.56 perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.cmd_record
0.51 +0.1 0.65 perf-profile.calltrace.cycles-pp.unregister_fair_sched_group.sched_unregister_group_rcu.rcu_do_batch.rcu_core.handle_softirqs
0.51 +0.1 0.65 perf-profile.calltrace.cycles-pp.sched_unregister_group_rcu.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu
0.84 ± 2% +0.2 1.03 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.sheaf_flush_unused
0.85 ± 2% +0.2 1.04 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__kmem_cache_free_bulk.sheaf_flush_unused.__pcs_replace_full_main
0.90 ± 2% +0.2 1.09 ± 2% perf-profile.calltrace.cycles-pp.__slab_free.__kmem_cache_free_bulk.sheaf_flush_unused.__pcs_replace_full_main.kfree
0.91 ± 2% +0.2 1.11 ± 2% perf-profile.calltrace.cycles-pp.__kmem_cache_free_bulk.sheaf_flush_unused.__pcs_replace_full_main.kfree.free_fair_sched_group
0.93 ± 2% +0.2 1.17 ± 2% perf-profile.calltrace.cycles-pp.sheaf_flush_unused.__pcs_replace_full_main.kfree.free_fair_sched_group.sched_free_group_rcu
0.94 ± 2% +0.2 1.18 ± 2% perf-profile.calltrace.cycles-pp.__pcs_replace_full_main.kfree.free_fair_sched_group.sched_free_group_rcu.rcu_do_batch
0.64 ± 21% +0.3 0.98 ± 3% perf-profile.calltrace.cycles-pp.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap.dup_mm
0.71 ± 18% +0.4 1.09 ± 3% perf-profile.calltrace.cycles-pp.copy_p4d_range.copy_page_range.dup_mmap.dup_mm.copy_process
0.72 ± 19% +0.4 1.10 ± 3% perf-profile.calltrace.cycles-pp.copy_page_range.dup_mmap.dup_mm.copy_process.kernel_clone
0.58 +0.4 1.01 ± 3% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
0.60 +0.4 1.02 ± 3% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
2.18 ± 2% +0.5 2.64 ± 9% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.kfree.free_fair_sched_group
0.68 +0.5 1.17 ± 3% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
0.69 +0.5 1.17 ± 3% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
0.74 +0.5 1.25 ± 3% perf-profile.calltrace.cycles-pp.asm_exc_page_fault
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.remove_entity_load_avg.unregister_fair_sched_group.sched_unregister_group_rcu.rcu_do_batch.rcu_core
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.__pi_memset.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach
0.96 +0.5 1.48 perf-profile.calltrace.cycles-pp.anon_vma_interval_tree_insert.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.rwsem_spin_on_owner.rwsem_down_write_slowpath.down_write.anon_vma_clone.anon_vma_fork
0.00 +0.5 0.54 ± 4% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry
0.00 +0.5 0.54 ± 3% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events.record__finish_output
0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.queue_event.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events
0.00 +0.5 0.55 perf-profile.calltrace.cycles-pp.process_simple.reader__read_event.perf_session__process_events.record__finish_output.cmd_record
0.00 +0.5 0.55 perf-profile.calltrace.cycles-pp.__vma_start_write.dup_mmap.dup_mm.copy_process.kernel_clone
2.20 ± 2% +0.6 2.75 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.kfree.free_fair_sched_group.sched_free_group_rcu
0.00 +0.6 0.56 perf-profile.calltrace.cycles-pp.__vma_start_write.free_pgtables.exit_mmap.__mmput.exit_mm
0.00 +0.6 0.56 ± 8% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.dup_mmap.dup_mm
0.95 ± 13% +0.6 1.52 ± 2% perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
0.00 +0.6 0.58 ± 5% perf-profile.calltrace.cycles-pp.next_uptodate_folio.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault
0.00 +0.6 0.58 ± 4% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state
0.00 +0.6 0.59 perf-profile.calltrace.cycles-pp.vm_area_dup.dup_mmap.dup_mm.copy_process.kernel_clone
0.00 +0.6 0.59 ± 3% perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
0.00 +0.6 0.59 ± 3% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
0.00 +0.6 0.59 ± 3% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter
0.00 +0.6 0.60 perf-profile.calltrace.cycles-pp.__anon_vma_interval_tree_remove.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput
0.57 ± 9% +0.6 1.16 ± 5% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm
0.57 ± 9% +0.6 1.16 ± 5% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput
0.00 +0.6 0.60 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
0.00 +0.6 0.60 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
0.00 +0.6 0.62 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64
4.37 +0.6 4.99 perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.get_from_partial_node.___slab_alloc.__kmalloc_cache_node_noprof
4.38 +0.6 5.00 perf-profile.calltrace.cycles-pp._raw_spin_unlock_irqrestore.get_from_partial_node.___slab_alloc.__kmalloc_cache_node_noprof.alloc_fair_sched_group
4.34 +0.6 4.97 perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.get_from_partial_node.___slab_alloc
0.64 ± 8% +0.6 1.27 ± 5% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit
4.17 +0.7 4.84 perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.get_from_partial_node
0.00 +0.7 0.70 ± 3% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64
0.00 +0.7 0.70 ± 3% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64
0.00 +0.7 0.70 ± 3% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64
0.00 +0.7 0.70 ± 3% perf-profile.calltrace.cycles-pp.common_startup_64
0.17 ±141% +0.7 0.88 ± 4% perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
0.17 ±141% +0.7 0.88 ± 4% perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
1.14 +0.7 1.85 perf-profile.calltrace.cycles-pp.online_fair_sched_group.sched_autogroup_create_attach.ksys_setsid.__x64_sys_setsid.do_syscall_64
0.08 ±223% +0.7 0.81 ± 3% perf-profile.calltrace.cycles-pp.unlink_file_vma_batch_add.free_pgtables.exit_mmap.__mmput.exit_mm
0.00 +0.7 0.74 ± 7% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.dup_mmap.dup_mm.copy_process
0.08 ±223% +0.7 0.83 ± 4% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault
0.00 +0.7 0.75 ± 5% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.__put_anon_vma.unlink_anon_vmas
0.00 +0.8 0.75 perf-profile.calltrace.cycles-pp._raw_spin_lock.raw_spin_rq_lock_nested.online_fair_sched_group.sched_autogroup_create_attach.ksys_setsid
0.00 +0.8 0.77 perf-profile.calltrace.cycles-pp.raw_spin_rq_lock_nested.online_fair_sched_group.sched_autogroup_create_attach.ksys_setsid.__x64_sys_setsid
2.45 +0.8 3.23 perf-profile.calltrace.cycles-pp.__slab_free.kfree.free_fair_sched_group.sched_free_group_rcu.rcu_do_batch
0.00 +0.8 0.79 ± 7% perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap
0.00 +0.8 0.81 ± 6% perf-profile.calltrace.cycles-pp.down_write.dup_mmap.dup_mm.copy_process.kernel_clone
1.24 ± 11% +0.8 2.06 ± 2% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap
1.25 ± 11% +0.8 2.08 ± 2% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput
1.26 ± 11% +0.8 2.10 ± 2% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm
0.00 +0.9 0.91 ± 4% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.__put_anon_vma.unlink_anon_vmas.free_pgtables
1.40 ± 10% +0.9 2.31 ± 2% perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit
0.00 +0.9 0.92 ± 4% perf-profile.calltrace.cycles-pp.down_write.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap
0.00 +1.1 1.07 ± 4% perf-profile.calltrace.cycles-pp.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput
0.00 +1.1 1.12 ± 2% perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node
1.71 +1.1 2.84 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__slab_free.__refill_objects_node.refill_objects
0.00 +1.1 1.15 ± 2% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects
1.72 +1.1 2.87 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__slab_free.__refill_objects_node.refill_objects.__pcs_replace_empty_main
0.00 +1.2 1.15 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects.__pcs_replace_empty_main.__kmalloc_cache_node_noprof
0.00 +1.2 1.15 ± 2% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore.__refill_objects_node.refill_objects.__pcs_replace_empty_main
1.74 +1.2 2.91 perf-profile.calltrace.cycles-pp.__slab_free.__refill_objects_node.refill_objects.__pcs_replace_empty_main.__kmalloc_cache_node_noprof
0.66 ± 4% +1.2 1.91 ± 6% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.anon_vma_fork.dup_mmap.dup_mm
0.68 ± 4% +1.3 1.96 ± 6% perf-profile.calltrace.cycles-pp.down_write.anon_vma_fork.dup_mmap.dup_mm.copy_process
3.52 +1.4 4.90 perf-profile.calltrace.cycles-pp.kfree.free_fair_sched_group.sched_free_group_rcu.rcu_do_batch.rcu_core
3.54 +1.4 4.91 perf-profile.calltrace.cycles-pp.sched_free_group_rcu.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu
3.52 +1.4 4.91 perf-profile.calltrace.cycles-pp.free_fair_sched_group.sched_free_group_rcu.rcu_do_batch.rcu_core.handle_softirqs
0.00 +1.5 1.48 ± 6% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.anon_vma_fork.dup_mmap
4.16 +1.8 5.96 perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt._raw_spin_unlock_irqrestore
1.01 ± 7% +1.9 2.93 ± 2% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.unlink_anon_vmas.free_pgtables
2.62 +2.1 4.68 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__refill_objects_node.refill_objects.__pcs_replace_empty_main
2.63 +2.1 4.69 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__refill_objects_node.refill_objects.__pcs_replace_empty_main.__kmalloc_cache_node_noprof
4.14 +2.1 6.28 ± 4% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt
4.16 +2.1 6.29 ± 4% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
1.15 ± 5% +2.1 3.29 ± 2% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.anon_vma_clone.anon_vma_fork
1.24 ± 6% +2.2 3.46 ± 2% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.unlink_anon_vmas.free_pgtables.exit_mmap
1.29 ± 6% +2.3 3.55 ± 2% perf-profile.calltrace.cycles-pp.down_write.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput
1.48 ± 4% +2.5 3.94 ± 2% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.anon_vma_clone.anon_vma_fork.dup_mmap
1.56 ± 4% +2.5 4.08 ± 2% perf-profile.calltrace.cycles-pp.down_write.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm
3.31 ± 2% +3.5 6.82 perf-profile.calltrace.cycles-pp.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm.copy_process
2.72 ± 3% +3.6 6.28 ± 2% perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput.exit_mm
5.14 +4.1 9.22 perf-profile.calltrace.cycles-pp.refill_objects.__pcs_replace_empty_main.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group
5.12 +4.1 9.21 perf-profile.calltrace.cycles-pp.__refill_objects_node.refill_objects.__pcs_replace_empty_main.__kmalloc_cache_node_noprof.alloc_fair_sched_group
5.15 +4.1 9.24 perf-profile.calltrace.cycles-pp.__pcs_replace_empty_main.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach
3.59 ± 2% +4.2 7.78 ± 2% perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit
4.38 ± 2% +5.0 9.41 ± 2% perf-profile.calltrace.cycles-pp.anon_vma_fork.dup_mmap.dup_mm.copy_process.kernel_clone
5.96 +5.9 11.89 perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit
5.97 +5.9 11.91 perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group
5.98 +5.9 11.92 perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
6.15 +6.1 12.21 perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.15 +6.1 12.21 perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call.do_syscall_64
6.15 +6.1 12.21 perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.15 +6.1 12.21 perf-profile.calltrace.cycles-pp.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.45 +6.3 12.73 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
6.44 +6.3 12.73 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.09 +6.9 14.02 perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone
7.35 +7.1 14.45 perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64
7.54 +7.2 14.76 perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.73 +7.4 15.09 perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
7.73 +7.4 15.09 perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
7.73 +7.4 15.10 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
7.73 +7.4 15.10 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe._Fork
7.93 +7.5 15.43 perf-profile.calltrace.cycles-pp._Fork
75.80 -20.8 54.96 perf-profile.children.cycles-pp.get_from_partial_node
76.00 -20.7 55.30 perf-profile.children.cycles-pp.___slab_alloc
79.50 -17.2 62.28 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
79.30 -17.2 62.10 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
81.53 -16.2 65.30 perf-profile.children.cycles-pp.__kmalloc_cache_node_noprof
81.91 -16.0 65.95 perf-profile.children.cycles-pp.alloc_fair_sched_group
81.91 -16.0 65.95 perf-profile.children.cycles-pp.sched_create_group
83.08 -15.2 67.87 perf-profile.children.cycles-pp.sched_autogroup_create_attach
83.10 -15.2 67.90 perf-profile.children.cycles-pp.__x64_sys_setsid
83.10 -15.2 67.90 perf-profile.children.cycles-pp.ksys_setsid
83.10 -15.2 67.92 perf-profile.children.cycles-pp.setsid
97.47 -1.5 96.02 perf-profile.children.cycles-pp.do_syscall_64
97.47 -1.5 96.02 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
0.22 ± 2% -0.2 0.05 perf-profile.children.cycles-pp.init_entity_runnable_average
0.12 +0.0 0.13 perf-profile.children.cycles-pp.sched_tick
0.05 ± 7% +0.0 0.07 perf-profile.children.cycles-pp.update_curr
0.06 +0.0 0.08 perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.16 +0.0 0.18 perf-profile.children.cycles-pp.update_process_times
0.54 +0.0 0.56 perf-profile.children.cycles-pp.perf_session__process_events
0.54 +0.0 0.56 perf-profile.children.cycles-pp.reader__read_event
0.54 +0.0 0.56 perf-profile.children.cycles-pp.record__finish_output
0.17 +0.0 0.19 ± 2% perf-profile.children.cycles-pp.tick_nohz_handler
0.21 +0.0 0.24 ± 2% perf-profile.children.cycles-pp.__hrtimer_run_queues
0.58 +0.0 0.61 perf-profile.children.cycles-pp.cmd_record
0.05 +0.0 0.08 ± 4% perf-profile.children.cycles-pp.alloc_thread_stack_node
0.04 ± 44% +0.0 0.07 perf-profile.children.cycles-pp.mas_walk
0.26 +0.0 0.29 perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
0.09 +0.0 0.12 perf-profile.children.cycles-pp.attach_entity_load_avg
0.05 +0.0 0.08 perf-profile.children.cycles-pp.refill_obj_stock
0.25 +0.0 0.28 perf-profile.children.cycles-pp.hrtimer_interrupt
0.12 ± 13% +0.0 0.15 ± 3% perf-profile.children.cycles-pp.kthread
0.06 ± 9% +0.0 0.09 ± 4% perf-profile.children.cycles-pp.setproctitle
0.06 +0.0 0.09 ± 5% perf-profile.children.cycles-pp.mas_next_slot
0.06 ± 6% +0.0 0.09 ± 4% perf-profile.children.cycles-pp.rmqueue
0.07 ± 7% +0.0 0.10 perf-profile.children.cycles-pp.do_task_dead
0.07 ± 7% +0.0 0.10 perf-profile.children.cycles-pp.mas_store
0.04 ± 44% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.__rmqueue_pcplist
0.06 ± 9% +0.0 0.09 perf-profile.children.cycles-pp.pte_offset_map_lock
0.03 ± 70% +0.0 0.07 perf-profile.children.cycles-pp.__free_frozen_pages
0.06 ± 7% +0.0 0.10 ± 4% perf-profile.children.cycles-pp.__mt_dup
0.09 +0.0 0.13 perf-profile.children.cycles-pp.update_cfs_rq_load_avg
0.06 ± 21% +0.0 0.10 ± 23% perf-profile.children.cycles-pp.__libc_fork
0.05 ± 7% +0.0 0.09 ± 5% perf-profile.children.cycles-pp.folio_add_file_rmap_ptes
0.09 ± 4% +0.0 0.13 perf-profile.children.cycles-pp.update_sg_lb_stats
0.09 +0.0 0.13 ± 3% perf-profile.children.cycles-pp.update_sd_lb_stats
0.09 +0.0 0.14 ± 3% perf-profile.children.cycles-pp.sched_balance_find_src_group
0.05 +0.0 0.10 ± 5% perf-profile.children.cycles-pp.exit_notify
0.07 +0.0 0.12 ± 4% perf-profile.children.cycles-pp.mas_find
0.06 ± 7% +0.0 0.11 perf-profile.children.cycles-pp.pthread_rwlock_unlock
0.08 ± 4% +0.0 0.13 ± 2% perf-profile.children.cycles-pp.__anon_vma_interval_tree_augment_rotate
0.07 ± 7% +0.0 0.12 ± 6% perf-profile.children.cycles-pp.set_pte_range
0.00 +0.1 0.05 perf-profile.children.cycles-pp.__vmalloc_node_noprof
0.00 +0.1 0.05 perf-profile.children.cycles-pp.__vmalloc_node_range_noprof
0.00 +0.1 0.05 perf-profile.children.cycles-pp.autogroup_move_group
0.00 +0.1 0.05 perf-profile.children.cycles-pp.dequeue_entity
0.00 +0.1 0.05 perf-profile.children.cycles-pp.do_notify_parent
0.00 +0.1 0.05 perf-profile.children.cycles-pp.sysvec_call_function_single
0.00 +0.1 0.05 perf-profile.children.cycles-pp.update_se
0.00 +0.1 0.05 perf-profile.children.cycles-pp.worker_thread
0.09 ± 5% +0.1 0.14 ± 6% perf-profile.children.cycles-pp.__wp_page_copy_user
0.09 ± 5% +0.1 0.14 ± 6% perf-profile.children.cycles-pp.copy_mc_enhanced_fast_string
0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.free_pcppages_bulk
0.09 ± 5% +0.1 0.14 ± 2% perf-profile.children.cycles-pp.vm_area_init_from
0.05 ± 7% +0.1 0.10 ± 7% perf-profile.children.cycles-pp.wait_task_zombie
0.08 ± 8% +0.1 0.14 ± 7% perf-profile.children.cycles-pp.stress_session
0.07 ± 6% +0.1 0.13 ± 2% perf-profile.children.cycles-pp.remove_vma
0.07 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.fput
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.__memcg_kmem_charge_page
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.do_wp_page
0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.__snprintf_chk
0.10 +0.1 0.16 ± 2% perf-profile.children.cycles-pp.acct_collect
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.__account_obj_stock
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.free_frozen_page_commit
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.stress_proc_state_set
0.00 +0.1 0.06 perf-profile.children.cycles-pp.__put_user_4
0.00 +0.1 0.06 perf-profile.children.cycles-pp.asm_sysvec_call_function_single
0.00 +0.1 0.06 perf-profile.children.cycles-pp.dequeue_entities
0.00 +0.1 0.06 perf-profile.children.cycles-pp.dequeue_task_fair
0.00 +0.1 0.06 perf-profile.children.cycles-pp.try_to_wake_up
0.02 ± 99% +0.1 0.08 ± 8% perf-profile.children.cycles-pp.unlink_file_vma_batch_final
0.00 +0.1 0.06 perf-profile.children.cycles-pp.update_irq_load_avg
0.03 ± 70% +0.1 0.09 ± 5% perf-profile.children.cycles-pp.tlb_remove_table_rcu
0.12 ± 4% +0.1 0.18 ± 2% perf-profile.children.cycles-pp.sched_balance_rq
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.native_irq_return_iret
0.08 ± 4% +0.1 0.14 ± 3% perf-profile.children.cycles-pp.vma_interval_tree_insert_after
0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.shim_waitpid
0.06 ± 8% +0.1 0.12 ± 3% perf-profile.children.cycles-pp.__put_task_struct
0.16 ± 3% +0.1 0.22 perf-profile.children.cycles-pp.on_each_cpu_cond_mask
0.16 ± 3% +0.1 0.22 perf-profile.children.cycles-pp.smp_call_function_many_cond
0.11 +0.1 0.18 ± 2% perf-profile.children.cycles-pp.sched_balance_newidle
0.11 +0.1 0.18 ± 2% perf-profile.children.cycles-pp.unmap_single_vma
0.11 +0.1 0.18 ± 2% perf-profile.children.cycles-pp.lock_vma_under_rcu
0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp.mas_dup_alloc
0.00 +0.1 0.07 perf-profile.children.cycles-pp.sched_move_task
0.00 +0.1 0.07 perf-profile.children.cycles-pp.schedule_idle
0.18 ± 2% +0.1 0.25 perf-profile.children.cycles-pp.flush_tlb_mm_range
0.13 ± 2% +0.1 0.20 perf-profile.children.cycles-pp._exit
0.11 +0.1 0.18 ± 2% perf-profile.children.cycles-pp.schedule_tail
0.13 ± 2% +0.1 0.20 ± 2% perf-profile.children.cycles-pp.__pick_next_task
0.02 ±141% +0.1 0.09 ± 7% perf-profile.children.cycles-pp.release_task
0.12 ± 4% +0.1 0.20 perf-profile.children.cycles-pp.pick_next_task_fair
0.13 +0.1 0.21 ± 2% perf-profile.children.cycles-pp.__percpu_counter_sum
0.02 ± 99% +0.1 0.10 ± 3% perf-profile.children.cycles-pp.sched_autogroup_exit
0.11 +0.1 0.19 ± 2% perf-profile.children.cycles-pp.__percpu_counter_init_many
0.06 +0.1 0.14 perf-profile.children.cycles-pp.osq_unlock
0.14 +0.1 0.22 perf-profile.children.cycles-pp.update_sg_wakeup_stats
0.02 ±141% +0.1 0.10 ± 3% perf-profile.children.cycles-pp.sched_release_group
0.14 ± 5% +0.1 0.23 ± 4% perf-profile.children.cycles-pp.wp_page_copy
0.14 +0.1 0.23 ± 2% perf-profile.children.cycles-pp.sched_balance_find_dst_group
0.10 ± 10% +0.1 0.19 ± 3% perf-profile.children.cycles-pp.__pte_alloc
0.16 +0.1 0.25 perf-profile.children.cycles-pp.vma_interval_tree_remove
0.07 ± 5% +0.1 0.16 ± 7% perf-profile.children.cycles-pp.__do_wait
0.14 ± 3% +0.1 0.23 ± 2% perf-profile.children.cycles-pp.prep_new_page
0.14 ± 5% +0.1 0.23 ± 3% perf-profile.children.cycles-pp.kernel_init_pages
0.16 ± 3% +0.1 0.26 perf-profile.children.cycles-pp.__mmdrop
0.18 ± 2% +0.1 0.28 perf-profile.children.cycles-pp.__rb_erase_color
0.16 ± 2% +0.1 0.26 perf-profile.children.cycles-pp.select_task_rq_fair
0.18 ± 2% +0.1 0.28 perf-profile.children.cycles-pp.__rb_insert_augmented
0.14 ± 5% +0.1 0.24 perf-profile.children.cycles-pp.pte_alloc_one
0.17 ± 2% +0.1 0.28 perf-profile.children.cycles-pp.schedule
0.00 +0.1 0.11 ± 12% perf-profile.children.cycles-pp.queued_write_lock_slowpath
0.24 ± 6% +0.1 0.35 perf-profile.children.cycles-pp.ret_from_fork
0.24 ± 6% +0.1 0.35 perf-profile.children.cycles-pp.ret_from_fork_asm
0.19 ± 2% +0.1 0.31 perf-profile.children.cycles-pp.finish_task_switch
0.18 ± 2% +0.1 0.31 perf-profile.children.cycles-pp.wake_up_new_task
0.27 +0.1 0.40 perf-profile.children.cycles-pp.attach_entity_cfs_rq
0.20 ± 4% +0.1 0.33 ± 3% perf-profile.children.cycles-pp.get_page_from_freelist
0.27 +0.1 0.42 perf-profile.children.cycles-pp.__memcg_slab_free_hook
0.27 +0.2 0.42 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
0.22 ± 2% +0.2 0.37 ± 3% perf-profile.children.cycles-pp.pcpu_alloc_noprof
0.13 ± 14% +0.2 0.28 ± 9% perf-profile.children.cycles-pp.tlb_flush_mmu
0.22 ± 4% +0.2 0.38 ± 3% perf-profile.children.cycles-pp.alloc_pages_noprof
0.24 ± 4% +0.2 0.40 ± 3% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof
0.24 ± 4% +0.2 0.40 ± 3% perf-profile.children.cycles-pp.alloc_pages_mpol
0.24 ± 2% +0.2 0.41 ± 2% perf-profile.children.cycles-pp.mm_init
0.35 +0.2 0.52 perf-profile.children.cycles-pp.update_rq_clock_task
0.23 ± 2% +0.2 0.41 perf-profile.children.cycles-pp.__update_load_avg_blocked_se
0.30 +0.2 0.48 perf-profile.children.cycles-pp.__schedule
0.22 +0.2 0.41 ± 2% perf-profile.children.cycles-pp.do_wait
0.31 +0.2 0.49 perf-profile.children.cycles-pp.tear_down_vmas
0.23 +0.2 0.42 ± 2% perf-profile.children.cycles-pp.kernel_wait4
0.38 +0.2 0.60 perf-profile.children.cycles-pp.__anon_vma_interval_tree_remove
0.37 +0.2 0.59 perf-profile.children.cycles-pp.vm_area_dup
0.32 ± 6% +0.2 0.55 perf-profile.children.cycles-pp.process_simple
0.32 ± 5% +0.2 0.54 perf-profile.children.cycles-pp.ordered_events__queue
0.32 ± 5% +0.2 0.54 perf-profile.children.cycles-pp.queue_event
0.34 ± 28% +0.2 0.57 ± 11% perf-profile.children.cycles-pp.folio_remove_rmap_ptes
0.35 +0.3 0.61 perf-profile.children.cycles-pp.__vma_start_exclude_readers
0.30 ± 3% +0.3 0.59 ± 3% perf-profile.children.cycles-pp.acpi_idle_do_entry
0.30 ± 3% +0.3 0.59 ± 3% perf-profile.children.cycles-pp.acpi_safe_halt
0.30 ± 3% +0.3 0.59 ± 3% perf-profile.children.cycles-pp.pv_native_safe_halt
0.30 ± 3% +0.3 0.60 ± 3% perf-profile.children.cycles-pp.acpi_idle_enter
0.40 +0.3 0.70 perf-profile.children.cycles-pp.up_write
0.53 +0.3 0.84 perf-profile.children.cycles-pp.kmem_cache_free
0.30 ± 3% +0.3 0.60 ± 3% perf-profile.children.cycles-pp.cpuidle_enter
0.30 ± 3% +0.3 0.60 ± 3% perf-profile.children.cycles-pp.cpuidle_enter_state
0.31 ± 3% +0.3 0.62 ± 3% perf-profile.children.cycles-pp.cpuidle_idle_call
0.07 +0.3 0.38 perf-profile.children.cycles-pp.init_tg_cfs_entry
0.64 ± 21% +0.3 0.98 ± 3% perf-profile.children.cycles-pp.copy_pte_range
0.35 ± 3% +0.3 0.70 ± 3% perf-profile.children.cycles-pp.start_secondary
0.35 ± 3% +0.3 0.70 ± 3% perf-profile.children.cycles-pp.common_startup_64
0.35 ± 3% +0.3 0.70 ± 3% perf-profile.children.cycles-pp.cpu_startup_entry
0.35 ± 3% +0.3 0.70 ± 3% perf-profile.children.cycles-pp.do_idle
0.46 ± 7% +0.4 0.81 ± 3% perf-profile.children.cycles-pp.unlink_file_vma_batch_add
0.48 +0.4 0.84 perf-profile.children.cycles-pp.raw_spin_rq_lock_nested
0.71 ± 18% +0.4 1.09 ± 3% perf-profile.children.cycles-pp.copy_p4d_range
0.56 +0.4 0.94 perf-profile.children.cycles-pp.remove_entity_load_avg
0.72 ± 19% +0.4 1.10 ± 3% perf-profile.children.cycles-pp.copy_page_range
0.51 ± 3% +0.4 0.92 ± 5% perf-profile.children.cycles-pp.next_uptodate_folio
0.43 +0.4 0.85 perf-profile.children.cycles-pp.__pi_memset
0.58 +0.4 1.02 ± 2% perf-profile.children.cycles-pp._raw_spin_lock
0.68 +0.4 1.11 perf-profile.children.cycles-pp.__vma_start_write
0.70 +0.5 1.16 perf-profile.children.cycles-pp.sched_unregister_group_rcu
0.70 +0.5 1.16 perf-profile.children.cycles-pp.unregister_fair_sched_group
0.96 +0.5 1.48 perf-profile.children.cycles-pp.anon_vma_interval_tree_insert
0.47 ± 11% +0.5 1.00 ± 7% perf-profile.children.cycles-pp.folios_put_refs
0.94 +0.5 1.48 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
0.73 ± 3% +0.6 1.30 ± 5% perf-profile.children.cycles-pp.filemap_map_pages
0.95 ± 13% +0.6 1.53 ± 2% perf-profile.children.cycles-pp.zap_present_ptes
0.78 ± 2% +0.6 1.38 ± 5% perf-profile.children.cycles-pp.do_fault
0.78 ± 2% +0.6 1.38 ± 5% perf-profile.children.cycles-pp.do_read_fault
0.64 ± 8% +0.6 1.27 ± 5% perf-profile.children.cycles-pp.tlb_finish_mmu
1.23 ± 2% +0.7 1.90 ± 2% perf-profile.children.cycles-pp.__kmem_cache_free_bulk
0.37 ± 5% +0.7 1.07 ± 4% perf-profile.children.cycles-pp.__put_anon_vma
1.14 +0.7 1.85 perf-profile.children.cycles-pp.online_fair_sched_group
1.01 ± 2% +0.7 1.74 ± 4% perf-profile.children.cycles-pp.__handle_mm_fault
1.25 ± 2% +0.7 1.99 ± 2% perf-profile.children.cycles-pp.sheaf_flush_unused
0.70 ± 8% +0.7 1.45 ± 5% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
0.70 ± 8% +0.7 1.45 ± 5% perf-profile.children.cycles-pp.free_pages_and_swap_cache
1.03 ± 2% +0.7 1.77 ± 4% perf-profile.children.cycles-pp.handle_mm_fault
1.26 ± 2% +0.8 2.02 ± 2% perf-profile.children.cycles-pp.__pcs_replace_full_main
0.76 ± 2% +0.8 1.57 ± 2% perf-profile.children.cycles-pp.rwsem_spin_on_owner
1.24 ± 11% +0.8 2.06 ± 2% perf-profile.children.cycles-pp.zap_pte_range
1.25 ± 11% +0.8 2.08 ± 2% perf-profile.children.cycles-pp.zap_pmd_range
1.26 ± 11% +0.8 2.10 ± 2% perf-profile.children.cycles-pp.unmap_page_range
1.18 ± 2% +0.8 2.03 ± 3% perf-profile.children.cycles-pp.do_user_addr_fault
1.18 ± 2% +0.9 2.04 ± 3% perf-profile.children.cycles-pp.exc_page_fault
1.40 ± 10% +0.9 2.31 ± 2% perf-profile.children.cycles-pp.unmap_vmas
1.31 ± 2% +0.9 2.22 ± 3% perf-profile.children.cycles-pp.asm_exc_page_fault
4.89 +1.4 6.28 perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
4.72 +1.9 6.59 perf-profile.children.cycles-pp.free_fair_sched_group
4.72 +1.9 6.60 perf-profile.children.cycles-pp.kfree
4.72 +1.9 6.60 perf-profile.children.cycles-pp.sched_free_group_rcu
5.57 +2.5 8.04 perf-profile.children.cycles-pp.rcu_core
5.55 +2.5 8.03 perf-profile.children.cycles-pp.rcu_do_batch
5.53 +2.5 8.01 perf-profile.children.cycles-pp.__irq_exit_rcu
5.60 +2.5 8.09 perf-profile.children.cycles-pp.handle_softirqs
5.79 +2.5 8.30 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
5.83 +2.5 8.34 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
6.39 +3.0 9.37 perf-profile.children.cycles-pp.__slab_free
3.32 ± 2% +3.5 6.82 perf-profile.children.cycles-pp.anon_vma_clone
2.72 ± 3% +3.6 6.28 ± 2% perf-profile.children.cycles-pp.unlink_anon_vmas
3.59 ± 2% +4.2 7.78 perf-profile.children.cycles-pp.free_pgtables
5.80 +4.4 10.24 perf-profile.children.cycles-pp.refill_objects
5.79 +4.5 10.24 perf-profile.children.cycles-pp.__pcs_replace_empty_main
5.78 +4.5 10.23 perf-profile.children.cycles-pp.__refill_objects_node
4.38 ± 2% +5.0 9.41 ± 2% perf-profile.children.cycles-pp.anon_vma_fork
5.96 +5.9 11.89 perf-profile.children.cycles-pp.exit_mmap
5.97 +5.9 11.91 perf-profile.children.cycles-pp.__mmput
5.98 +5.9 11.92 perf-profile.children.cycles-pp.exit_mm
6.28 +6.1 12.40 perf-profile.children.cycles-pp.__x64_sys_exit_group
6.28 +6.1 12.40 perf-profile.children.cycles-pp.do_group_exit
6.28 +6.1 12.41 perf-profile.children.cycles-pp.x64_sys_call
6.27 +6.1 12.40 perf-profile.children.cycles-pp.do_exit
3.21 ± 4% +6.2 9.38 ± 3% perf-profile.children.cycles-pp.osq_lock
7.10 +6.9 14.02 perf-profile.children.cycles-pp.dup_mmap
7.35 +7.1 14.45 perf-profile.children.cycles-pp.dup_mm
4.15 ± 3% +7.2 11.36 ± 3% perf-profile.children.cycles-pp.rwsem_down_write_slowpath
7.54 +7.2 14.76 perf-profile.children.cycles-pp.copy_process
7.73 +7.4 15.09 perf-profile.children.cycles-pp.__do_sys_clone
7.73 +7.4 15.09 perf-profile.children.cycles-pp.kernel_clone
4.38 ± 3% +7.4 11.77 ± 3% perf-profile.children.cycles-pp.down_write
7.95 +7.5 15.46 perf-profile.children.cycles-pp._Fork
79.30 -17.2 62.09 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
0.21 ± 2% -0.2 0.05 perf-profile.self.cycles-pp.init_entity_runnable_average
0.06 +0.0 0.08 perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
0.09 +0.0 0.12 ± 3% perf-profile.self.cycles-pp.attach_entity_load_avg
0.05 +0.0 0.09 ± 7% perf-profile.self.cycles-pp.folio_add_file_rmap_ptes
0.05 ± 8% +0.0 0.09 ± 4% perf-profile.self.cycles-pp.online_fair_sched_group
0.08 +0.0 0.12 perf-profile.self.cycles-pp.acct_collect
0.08 +0.0 0.12 perf-profile.self.cycles-pp.update_sg_lb_stats
0.08 ± 4% +0.0 0.12 perf-profile.self.cycles-pp.__anon_vma_interval_tree_augment_rotate
0.06 +0.0 0.10 ± 3% perf-profile.self.cycles-pp.lock_vma_under_rcu
0.08 ± 5% +0.0 0.13 perf-profile.self.cycles-pp.remove_entity_load_avg
0.08 ± 5% +0.0 0.13 ± 6% perf-profile.self.cycles-pp.copy_mc_enhanced_fast_string
0.07 +0.0 0.12 perf-profile.self.cycles-pp.fput
0.11 +0.1 0.16 perf-profile.self.cycles-pp.kmem_cache_free
0.08 +0.1 0.13 perf-profile.self.cycles-pp.vm_area_init_from
0.00 +0.1 0.05 perf-profile.self.cycles-pp.mas_next_slot
0.08 +0.1 0.13 ± 3% perf-profile.self.cycles-pp.vma_interval_tree_insert_after
0.00 +0.1 0.06 ± 8% perf-profile.self.cycles-pp.copy_pte_range
0.00 +0.1 0.06 perf-profile.self.cycles-pp.__put_anon_vma
0.00 +0.1 0.06 perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
0.00 +0.1 0.06 perf-profile.self.cycles-pp.mas_store
0.00 +0.1 0.06 perf-profile.self.cycles-pp.update_irq_load_avg
0.12 ± 3% +0.1 0.18 ± 2% perf-profile.self.cycles-pp.__percpu_counter_sum
0.11 +0.1 0.17 perf-profile.self.cycles-pp.unmap_single_vma
0.14 +0.1 0.20 perf-profile.self.cycles-pp.smp_call_function_many_cond
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.native_irq_return_iret
0.01 ±223% +0.1 0.07 perf-profile.self.cycles-pp.mas_walk
0.10 +0.1 0.16 ± 2% perf-profile.self.cycles-pp.attach_entity_cfs_rq
0.11 ± 6% +0.1 0.18 ± 2% perf-profile.self.cycles-pp.zap_pte_range
0.12 +0.1 0.19 perf-profile.self.cycles-pp.unlink_anon_vmas
0.14 ± 3% +0.1 0.21 perf-profile.self.cycles-pp.unregister_fair_sched_group
0.06 ± 6% +0.1 0.13 ± 3% perf-profile.self.cycles-pp.osq_unlock
0.15 ± 2% +0.1 0.23 perf-profile.self.cycles-pp.__rb_erase_color
0.13 +0.1 0.21 perf-profile.self.cycles-pp.update_sg_wakeup_stats
0.15 ± 3% +0.1 0.24 perf-profile.self.cycles-pp.vma_interval_tree_remove
0.13 ± 3% +0.1 0.21 ± 5% perf-profile.self.cycles-pp.filemap_map_pages
0.13 ± 5% +0.1 0.22 ± 4% perf-profile.self.cycles-pp.kernel_init_pages
0.14 +0.1 0.23 perf-profile.self.cycles-pp.__kmalloc_cache_node_noprof
0.17 ± 2% +0.1 0.26 perf-profile.self.cycles-pp.__rb_insert_augmented
0.22 +0.1 0.33 perf-profile.self.cycles-pp.__memcg_slab_free_hook
0.07 +0.1 0.18 ± 2% perf-profile.self.cycles-pp.alloc_fair_sched_group
0.20 ± 2% +0.1 0.33 perf-profile.self.cycles-pp.anon_vma_clone
0.23 ± 2% +0.1 0.36 perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
0.12 +0.1 0.26 ± 4% perf-profile.self.cycles-pp.rwsem_down_write_slowpath
0.17 +0.1 0.31 perf-profile.self.cycles-pp.kfree
0.32 +0.2 0.47 perf-profile.self.cycles-pp.update_rq_clock_task
0.22 ± 2% +0.2 0.39 perf-profile.self.cycles-pp.down_write
0.31 +0.2 0.48 perf-profile.self.cycles-pp.__vma_start_write
0.22 ± 2% +0.2 0.41 perf-profile.self.cycles-pp.__update_load_avg_blocked_se
0.37 ± 2% +0.2 0.56 perf-profile.self.cycles-pp.__anon_vma_interval_tree_remove
0.22 ± 3% +0.2 0.42 ± 3% perf-profile.self.cycles-pp.free_pages_and_swap_cache
0.35 +0.2 0.56 perf-profile.self.cycles-pp._raw_spin_lock
0.33 ± 28% +0.2 0.54 ± 11% perf-profile.self.cycles-pp.folio_remove_rmap_ptes
0.09 ± 5% +0.2 0.31 perf-profile.self.cycles-pp.___slab_alloc
0.32 ± 6% +0.2 0.54 perf-profile.self.cycles-pp.queue_event
0.40 ± 5% +0.2 0.64 ± 4% perf-profile.self.cycles-pp.copy_present_ptes
0.33 +0.2 0.57 perf-profile.self.cycles-pp.__vma_start_exclude_readers
0.38 +0.3 0.64 perf-profile.self.cycles-pp.up_write
0.46 +0.3 0.74 perf-profile.self.cycles-pp.dup_mmap
0.07 +0.3 0.36 perf-profile.self.cycles-pp.init_tg_cfs_entry
0.46 +0.3 0.75 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.57 ± 13% +0.3 0.88 ± 8% perf-profile.self.cycles-pp.zap_present_ptes
0.53 +0.4 0.89 perf-profile.self.cycles-pp.__slab_free
0.48 ± 3% +0.4 0.84 ± 6% perf-profile.self.cycles-pp.next_uptodate_folio
0.41 +0.4 0.80 perf-profile.self.cycles-pp.__pi_memset
0.91 +0.5 1.37 perf-profile.self.cycles-pp.__refill_objects_node
0.42 ± 13% +0.5 0.88 ± 7% perf-profile.self.cycles-pp.folios_put_refs
0.92 +0.5 1.40 perf-profile.self.cycles-pp.anon_vma_interval_tree_insert
0.86 +0.6 1.48 perf-profile.self.cycles-pp.get_from_partial_node
0.73 ± 2% +0.8 1.49 ± 2% perf-profile.self.cycles-pp.rwsem_spin_on_owner
3.13 ± 4% +6.0 9.10 ± 3% perf-profile.self.cycles-pp.osq_lock
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
reply other threads:[~2026-03-18 13:02 UTC|newest]
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