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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2025 05:58:09.3587 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: bHBQ5uwfERaAdmNeHRTsgL++D1A+fehb4CcPj7+khuEDjM8zbQVEi9ByiFg4lToJLyR4cx7kKR9+j0F5XkNeww== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR11MB5255 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 219.8% improvement of vm-scalability.throughput on: commit: 19773df031bcc67d5caa06bf0ddbbff40174be7a ("mm/fault: try to map the entire file folio in finish_fault()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: vm-scalability config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory parameters: runtime: 300s size: 256G test: msync-mt cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251028/202510281329.6cb88a0d-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/rootfs/runtime/size/tbox_group/test/testcase: gcc-14/performance/x86_64-rhel-9.4/debian-13-x86_64-20250902.cgz/300s/256G/lkp-cpl-4sp2/msync-mt/vm-scalability commit: 8c49fbafed ("mm/rmap: mlock large folios in try_to_unmap_one()") 19773df031 ("mm/fault: try to map the entire file folio in finish_fault()") 8c49fbafedf15149 19773df031bcc67d5caa06bf0dd ---------------- --------------------------- %stddev %change %stddev \ | \ 14932 +97.6% 29512 ± 3% uptime.idle 4.051e+10 ± 2% +45.6% 5.9e+10 cpuidle..time 1.542e+08 -44.1% 86171240 cpuidle..usage 10212109 ± 77% +110.9% 21535225 ± 44% numa-meminfo.node0.Active 8899644 ± 92% +249.1% 31067068 ± 4% numa-meminfo.node2.Active 10164 ±152% +334.6% 44173 ± 70% numa-meminfo.node2.Writeback 1371819 ±139% +367.0% 6405839 ± 70% numa-vmstat.node2.nr_dirtied 2547 ±151% +322.9% 10774 ± 70% numa-vmstat.node2.nr_writeback 1371819 ±139% +367.0% 6405839 ± 70% numa-vmstat.node2.nr_written 1570 ± 6% -88.7% 177.17 ± 13% perf-c2c.DRAM.local 52876 ± 4% -92.8% 3799 ± 14% perf-c2c.DRAM.remote 23243 ± 3% -90.0% 2327 ± 14% perf-c2c.HITM.local 29958 ± 6% -90.2% 2946 ± 15% perf-c2c.HITM.remote 53202 ± 5% -90.1% 5273 ± 13% perf-c2c.HITM.total 6.55 ± 5% +19.7 26.23 ± 4% mpstat.cpu.all.idle% 45.99 ± 4% +6.4 52.42 ± 2% mpstat.cpu.all.iowait% 0.81 ± 2% +0.3 1.10 ± 3% mpstat.cpu.all.irq% 40.50 ± 4% -39.5 1.04 ± 7% mpstat.cpu.all.sys% 6.09 ± 7% +13.1 19.15 ± 4% mpstat.cpu.all.usr% 45.50 ± 34% -54.9% 20.50 ± 6% mpstat.max_utilization.seconds 85.91 +16.4% 100.00 mpstat.max_utilization_pct 2.31 ± 2% +3430.3% 81.57 ± 6% perf-sched.total_wait_and_delay.average.ms 1034119 -96.5% 36311 ± 6% perf-sched.total_wait_and_delay.count.ms 3639 ± 19% +29.2% 4703 ± 7% perf-sched.total_wait_and_delay.max.ms 2.30 ± 2% +3445.1% 81.55 ± 6% perf-sched.total_wait_time.average.ms 3639 ± 19% +29.2% 4703 ± 7% perf-sched.total_wait_time.max.ms 2.31 ± 2% +3430.3% 81.57 ± 6% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 1034119 -96.5% 36311 ± 6% perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown] 3639 ± 19% +29.2% 4703 ± 7% perf-sched.wait_and_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 2.30 ± 2% +3445.1% 81.55 ± 6% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 3639 ± 19% +29.2% 4703 ± 7% perf-sched.wait_time.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 1707 ± 4% -51.8% 822.33 ± 4% turbostat.Avg_MHz 45.05 ± 4% -22.8 22.23 ± 3% turbostat.Busy% 3800 -2.4% 3707 turbostat.Bzy_MHz 55.72 ± 3% +22.7 78.45 turbostat.C1% 54.95 ± 3% +41.5% 77.77 turbostat.CPU%c1 0.09 ± 6% +625.9% 0.65 ± 5% turbostat.IPC 6.569e+08 +60.4% 1.054e+09 ± 2% turbostat.IRQ 3422628 ± 16% -65.8% 1169078 ± 5% turbostat.NMI 0.04 ± 80% +37.7 37.75 ± 12% turbostat.PKG_% 0.02 -0.0 0.00 turbostat.POLL% 632.06 -4.9% 601.31 turbostat.PkgWatt 20.00 +9.1% 21.81 turbostat.RAMWatt 105888 +219.8% 338651 vm-scalability.median 23718991 +219.8% 75857914 vm-scalability.throughput 322.82 +3.5% 334.19 vm-scalability.time.elapsed_time 322.82 +3.5% 334.19 vm-scalability.time.elapsed_time.max 43166464 ± 2% +355.3% 1.966e+08 vm-scalability.time.file_system_outputs 474115 ± 9% -89.8% 48269 ± 9% vm-scalability.time.major_page_faults 92402718 ± 4% +5.2% 97195175 vm-scalability.time.maximum_resident_set_size 1.404e+08 -97.8% 3072180 vm-scalability.time.minor_page_faults 9681 ± 4% -52.8% 4572 ± 3% vm-scalability.time.percent_of_cpu_this_job_got 27262 ± 5% -98.7% 359.09 ± 2% vm-scalability.time.system_time 3999 ± 8% +273.3% 14931 ± 5% vm-scalability.time.user_time 1.018e+08 -79.9% 20438880 vm-scalability.time.voluntary_context_switches 7.586e+09 +226.4% 2.477e+10 vm-scalability.workload 34888848 ± 15% +145.4% 85621792 ± 18% meminfo.Active 7310633 ± 6% +445.1% 39853582 ± 3% meminfo.Active(anon) 1.022e+08 +32.5% 1.355e+08 meminfo.Cached 9363283 ± 3% +360.5% 43121914 meminfo.Committed_AS 4282466 ± 11% +401.1% 21459881 meminfo.Dirty 370553 +19.1% 441328 meminfo.KReclaimable 1.819e+08 -18.1% 1.49e+08 meminfo.MemAvailable 91015231 -36.5% 57825528 meminfo.MemFree 1.055e+08 +31.4% 1.387e+08 meminfo.Memused 214809 +44.3% 309961 meminfo.PageTables 370553 +19.1% 441328 meminfo.SReclaimable 6818169 ± 4% +483.6% 39790879 meminfo.Shmem 44130 ± 9% +280.4% 167890 meminfo.Writeback 1.064e+08 +33.0% 1.415e+08 meminfo.max_used_kB 1828808 ± 6% +444.2% 9952792 ± 3% proc-vmstat.nr_active_anon 170689 -1.8% 167683 proc-vmstat.nr_anon_pages 5395818 ± 2% +355.3% 24568992 proc-vmstat.nr_dirtied 1071381 ± 11% +400.4% 5361250 proc-vmstat.nr_dirty 4544315 -18.1% 3722750 proc-vmstat.nr_dirty_background_threshold 9099741 -18.1% 7454603 proc-vmstat.nr_dirty_threshold 25563358 +32.4% 33838021 proc-vmstat.nr_file_pages 22746053 -36.3% 14482315 proc-vmstat.nr_free_pages 22637748 -36.5% 14381767 proc-vmstat.nr_free_pages_blocks 53694 +44.3% 77488 proc-vmstat.nr_page_table_pages 1705595 ± 4% +483.1% 9944551 proc-vmstat.nr_shmem 92651 +19.0% 110261 proc-vmstat.nr_slab_reclaimable 10943 ± 10% +287.0% 42350 ± 4% proc-vmstat.nr_writeback 5395818 ± 2% +355.3% 24568992 proc-vmstat.nr_written 1828818 ± 6% +444.2% 9952805 ± 3% proc-vmstat.nr_zone_active_anon 1082406 ± 11% +399.2% 5403642 proc-vmstat.nr_zone_write_pending 2590032 ± 14% +605.9% 18284325 ± 29% proc-vmstat.numa_foreign 30195 ± 33% -70.3% 8960 ± 60% proc-vmstat.numa_hint_faults_local 2595314 ± 14% +604.8% 18292700 ± 29% proc-vmstat.numa_miss 2936800 ± 12% +534.3% 18627037 ± 28% proc-vmstat.numa_other 2915400 ± 5% +508.8% 17748564 ± 6% proc-vmstat.numa_pte_updates 33566794 ± 2% +56.1% 52386897 ± 3% proc-vmstat.pgalloc_normal 1.422e+08 -96.9% 4400645 proc-vmstat.pgfault 33054236 ± 3% +58.7% 52453249 ± 3% proc-vmstat.pgfree 21585606 ± 2% +355.3% 98278397 proc-vmstat.pgpgout 4.73 -43.2% 2.69 perf-stat.i.MPKI 2.057e+10 +272.1% 7.654e+10 perf-stat.i.branch-instructions 0.59 ± 2% -0.1 0.54 ± 6% perf-stat.i.branch-miss-rate% 41216023 -42.4% 23737381 perf-stat.i.branch-misses 57.95 -28.6 29.31 perf-stat.i.cache-miss-rate% 3.058e+08 ± 2% +25.0% 3.823e+08 perf-stat.i.cache-misses 5.295e+08 ± 2% +271.8% 1.969e+09 ± 2% perf-stat.i.cache-references 634442 -80.0% 127197 ± 2% perf-stat.i.context-switches 5.81 ± 3% -78.7% 1.23 ± 2% perf-stat.i.cpi 3.831e+11 ± 4% -52.8% 1.808e+11 ± 4% perf-stat.i.cpu-cycles 5111 ± 2% -90.1% 503.93 perf-stat.i.cpu-migrations 1339 ± 3% -54.3% 612.85 ± 4% perf-stat.i.cycles-between-cache-misses 6.832e+10 +251.4% 2.401e+11 perf-stat.i.instructions 0.22 ± 4% +583.6% 1.48 ± 2% perf-stat.i.ipc 1461 ± 9% -90.1% 145.39 ± 10% perf-stat.i.major-faults 6.69 -92.1% 0.53 ± 2% perf-stat.i.metric.K/sec 433329 -98.1% 8113 ± 3% perf-stat.i.minor-faults 434791 -98.1% 8258 ± 3% perf-stat.i.page-faults 0.06 ±141% +2143.5% 1.32 ± 5% perf-stat.overall.ipc 976.32 ±141% +233.7% 3258 perf-stat.overall.path-length 6.902e+09 ±141% +1011.8% 7.674e+10 perf-stat.ps.branch-instructions 1.017e+08 ±141% +273.6% 3.8e+08 perf-stat.ps.cache-misses 1.775e+08 ±141% +1012.8% 1.975e+09 ± 2% perf-stat.ps.cache-references 7.444e+10 ±141% +200.0% 2.233e+11 perf-stat.ps.cpu-clock 2.292e+10 ±141% +950.2% 2.407e+11 perf-stat.ps.instructions 7.444e+10 ±141% +200.0% 2.233e+11 perf-stat.ps.task-clock 7.463e+12 ±141% +981.3% 8.07e+13 perf-stat.total.instructions 9100518 ± 7% -38.9% 5557283 ± 13% sched_debug.cfs_rq:/.avg_vruntime.min 83078 ± 21% +257.2% 296763 ± 11% sched_debug.cfs_rq:/.avg_vruntime.stddev 0.42 ± 3% -67.0% 0.14 ± 31% sched_debug.cfs_rq:/.h_nr_queued.avg 1.19 ± 5% -16.3% 1.00 sched_debug.cfs_rq:/.h_nr_queued.max 0.44 ± 2% -31.0% 0.30 ± 4% sched_debug.cfs_rq:/.h_nr_queued.stddev 0.42 ± 3% -67.0% 0.14 ± 31% sched_debug.cfs_rq:/.h_nr_runnable.avg 0.44 ± 2% -31.0% 0.30 ± 4% sched_debug.cfs_rq:/.h_nr_runnable.stddev 0.81 ± 32% -100.0% 0.00 sched_debug.cfs_rq:/.load_avg.min 9100518 ± 7% -38.9% 5557283 ± 13% sched_debug.cfs_rq:/.min_vruntime.min 83078 ± 21% +257.2% 296763 ± 11% sched_debug.cfs_rq:/.min_vruntime.stddev 0.42 ± 3% -66.9% 0.14 ± 31% sched_debug.cfs_rq:/.nr_queued.avg 0.44 ± 2% -30.8% 0.30 ± 4% sched_debug.cfs_rq:/.nr_queued.stddev 405.75 ± 5% -62.0% 154.27 ± 37% sched_debug.cfs_rq:/.runnable_avg.avg 1121 -18.4% 915.18 ± 4% sched_debug.cfs_rq:/.runnable_avg.max 37.33 ± 89% -100.0% 0.00 sched_debug.cfs_rq:/.runnable_avg.min 120.71 ± 4% +22.4% 147.71 ± 15% sched_debug.cfs_rq:/.runnable_avg.stddev 405.08 ± 5% -61.9% 154.18 ± 37% sched_debug.cfs_rq:/.util_avg.avg 1099 ± 3% -16.9% 913.14 ± 4% sched_debug.cfs_rq:/.util_avg.max 31.97 ± 79% -100.0% 0.00 sched_debug.cfs_rq:/.util_avg.min 119.90 ± 4% +23.1% 147.62 ± 15% sched_debug.cfs_rq:/.util_avg.stddev 198.57 ± 12% -69.3% 60.93 ± 89% sched_debug.cfs_rq:/.util_est.avg 201.05 ± 3% -44.9% 110.81 ± 26% sched_debug.cfs_rq:/.util_est.stddev 494340 ± 3% +234.6% 1654216 ± 5% sched_debug.cpu.avg_idle.avg 2105158 ± 9% +41.0% 2968989 sched_debug.cpu.avg_idle.max 216056 ± 6% +195.3% 637916 ± 3% sched_debug.cpu.avg_idle.stddev 3949 ± 4% -69.9% 1190 ± 35% sched_debug.cpu.curr->pid.avg 4090 ± 2% -33.4% 2723 ± 4% sched_debug.cpu.curr->pid.stddev 1324733 -21.2% 1043522 ± 6% sched_debug.cpu.max_idle_balance_cost.avg 855967 ± 4% -41.6% 500000 sched_debug.cpu.max_idle_balance_cost.min 123728 ± 10% +157.0% 318004 ± 4% sched_debug.cpu.max_idle_balance_cost.stddev 0.42 ± 4% -69.5% 0.13 ± 35% sched_debug.cpu.nr_running.avg 0.44 ± 2% -33.7% 0.29 ± 5% sched_debug.cpu.nr_running.stddev 386507 -96.2% 14856 ± 36% sched_debug.cpu.nr_switches.avg 401629 -93.1% 27626 ± 18% sched_debug.cpu.nr_switches.max 343303 ± 3% -97.8% 7515 ± 53% sched_debug.cpu.nr_switches.min 5955 ± 13% -43.3% 3378 ± 10% sched_debug.cpu.nr_switches.stddev 0.43 ± 4% +67.4% 0.72 ± 7% sched_debug.cpu.nr_uninterruptible.avg 76.86 ± 23% -27.6% 55.63 ± 26% sched_debug.cpu.nr_uninterruptible.max -45.25 -67.9% -14.51 sched_debug.cpu.nr_uninterruptible.min 15.62 ± 10% -55.0% 7.04 ± 8% sched_debug.cpu.nr_uninterruptible.stddev 62.87 ± 13% -62.9 0.00 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.do_access 62.74 ± 13% -62.7 0.00 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.do_access 62.73 ± 13% -62.7 0.00 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.do_access 62.46 ± 13% -62.5 0.00 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.do_access 62.42 ± 13% -62.4 0.00 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 62.30 ± 13% -62.3 0.00 perf-profile.calltrace.cycles-pp.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 62.30 ± 13% -62.3 0.00 perf-profile.calltrace.cycles-pp.do_shared_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 41.22 ± 17% -41.2 0.00 perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter 34.41 ± 14% -34.4 0.00 perf-profile.calltrace.cycles-pp.__do_fault.do_shared_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault 34.39 ± 14% -34.4 0.00 perf-profile.calltrace.cycles-pp.filemap_fault.__do_fault.do_shared_fault.do_pte_missing.__handle_mm_fault 20.51 ± 13% -20.5 0.00 perf-profile.calltrace.cycles-pp.folio_wait_bit_common.filemap_fault.__do_fault.do_shared_fault.do_pte_missing 19.98 ± 14% -20.0 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_wait_bit_common.filemap_fault.__do_fault.do_shared_fault 19.91 ± 14% -19.9 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_wait_bit_common.filemap_fault.__do_fault 18.81 ± 14% -18.8 0.00 perf-profile.calltrace.cycles-pp.folio_wake_bit.do_shared_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault 18.50 ± 15% -18.5 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_wake_bit.do_shared_fault.do_pte_missing.__handle_mm_fault 18.44 ± 15% -18.4 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_wake_bit.do_shared_fault.do_pte_missing 13.18 ± 19% -13.2 0.00 perf-profile.calltrace.cycles-pp.folio_wake_bit.filemap_fault.__do_fault.do_shared_fault.do_pte_missing 12.94 ± 19% -12.9 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_wake_bit.filemap_fault.__do_fault.do_shared_fault 12.91 ± 19% -12.9 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_wake_bit.filemap_fault.__do_fault 8.38 ± 9% -8.4 0.00 perf-profile.calltrace.cycles-pp.do_page_mkwrite.do_shared_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault 8.37 ± 9% -8.4 0.00 perf-profile.calltrace.cycles-pp.__xfs_write_fault.do_page_mkwrite.do_shared_fault.do_pte_missing.__handle_mm_fault 8.29 ± 9% -8.3 0.00 perf-profile.calltrace.cycles-pp.iomap_page_mkwrite.__xfs_write_fault.do_page_mkwrite.do_shared_fault.do_pte_missing 8.06 ± 10% -8.1 0.00 perf-profile.calltrace.cycles-pp.folio_wait_bit_common.iomap_page_mkwrite.__xfs_write_fault.do_page_mkwrite.do_shared_fault 7.86 ± 11% -7.9 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_wait_bit_common.iomap_page_mkwrite.__xfs_write_fault.do_page_mkwrite 7.84 ± 11% -7.8 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_wait_bit_common.iomap_page_mkwrite.__xfs_write_fault 70.28 ± 9% -7.5 62.74 ± 8% perf-profile.calltrace.cycles-pp.do_access 0.00 +0.8 0.81 ± 12% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 0.49 ± 75% +0.9 1.39 ± 11% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state 0.00 +0.9 0.90 ± 12% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt 0.00 +0.9 0.90 ± 12% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt 0.00 +1.0 0.99 ± 37% perf-profile.calltrace.cycles-pp.default_send_IPI_mask_sequence_phys.smp_call_function_many_cond.on_each_cpu_cond_mask.flush_tlb_mm_range.ptep_clear_flush 0.00 +1.2 1.16 ± 7% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function.sysvec_call_function.asm_sysvec_call_function.do_access 0.00 +1.2 1.17 ± 7% perf-profile.calltrace.cycles-pp.__sysvec_call_function.sysvec_call_function.asm_sysvec_call_function.do_access 0.00 +1.2 1.23 ± 11% 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 +1.3 1.27 ± 7% perf-profile.calltrace.cycles-pp.sysvec_call_function.asm_sysvec_call_function.do_access 0.00 +1.4 1.44 ± 13% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function.sysvec_call_function.asm_sysvec_call_function.do_rw_once 0.00 +1.4 1.45 ± 13% perf-profile.calltrace.cycles-pp.__sysvec_call_function.sysvec_call_function.asm_sysvec_call_function.do_rw_once 0.00 +1.6 1.58 ± 12% perf-profile.calltrace.cycles-pp.sysvec_call_function.asm_sysvec_call_function.do_rw_once 0.42 ±100% +1.8 2.19 ± 36% perf-profile.calltrace.cycles-pp.smp_call_function_many_cond.on_each_cpu_cond_mask.flush_tlb_mm_range.ptep_clear_flush.page_vma_mkclean_one 0.42 ±100% +1.8 2.20 ± 36% perf-profile.calltrace.cycles-pp.on_each_cpu_cond_mask.flush_tlb_mm_range.ptep_clear_flush.page_vma_mkclean_one.page_mkclean_one 0.42 ±100% +1.8 2.21 ± 36% perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.ptep_clear_flush.page_vma_mkclean_one.page_mkclean_one.__rmap_walk_file 0.42 ±100% +1.8 2.24 ± 36% perf-profile.calltrace.cycles-pp.ptep_clear_flush.page_vma_mkclean_one.page_mkclean_one.__rmap_walk_file.folio_mkclean 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.__rmap_walk_file.folio_mkclean.folio_clear_dirty_for_io.writeback_get_folio.writeback_iter 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.folio_clear_dirty_for_io.writeback_get_folio.writeback_iter.iomap_writepages.xfs_vm_writepages 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.folio_mkclean.folio_clear_dirty_for_io.writeback_get_folio.writeback_iter.iomap_writepages 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.page_mkclean_one.__rmap_walk_file.folio_mkclean.folio_clear_dirty_for_io.writeback_get_folio 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.page_vma_mkclean_one.page_mkclean_one.__rmap_walk_file.folio_mkclean.folio_clear_dirty_for_io 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.writeback_get_folio.writeback_iter.iomap_writepages.xfs_vm_writepages.do_writepages 0.42 ±100% +1.8 2.26 ± 36% perf-profile.calltrace.cycles-pp.writeback_iter.iomap_writepages.xfs_vm_writepages.do_writepages.__writeback_single_inode 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work.worker_thread 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.iomap_writepages.xfs_vm_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.wb_workfn.process_one_work.worker_thread.kthread.ret_from_fork 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.wb_writeback.wb_workfn.process_one_work.worker_thread.kthread 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work 0.42 ±100% +1.8 2.27 ± 36% perf-profile.calltrace.cycles-pp.xfs_vm_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb 0.00 +2.1 2.06 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function.do_access 0.43 ±100% +2.1 2.58 ± 32% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.43 ±100% +2.2 2.59 ± 32% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.43 ±100% +2.2 2.60 ± 32% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 0.43 ±100% +2.2 2.60 ± 32% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 0.43 ±100% +2.2 2.60 ± 32% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 0.00 +2.5 2.46 ± 11% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function.do_rw_once 12.05 ± 44% +26.5 38.51 ± 7% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter 4.43 ± 19% +39.9 44.35 ± 2% perf-profile.calltrace.cycles-pp.do_rw_once 62.88 ± 13% -62.7 0.15 ± 4% perf-profile.children.cycles-pp.asm_exc_page_fault 62.74 ± 13% -62.6 0.14 ± 6% perf-profile.children.cycles-pp.exc_page_fault 62.74 ± 13% -62.6 0.14 ± 6% perf-profile.children.cycles-pp.do_user_addr_fault 62.46 ± 13% -62.3 0.13 ± 7% perf-profile.children.cycles-pp.handle_mm_fault 62.43 ± 13% -62.3 0.13 ± 7% perf-profile.children.cycles-pp.__handle_mm_fault 62.30 ± 13% -62.2 0.12 ± 6% perf-profile.children.cycles-pp.do_shared_fault 62.31 ± 13% -62.2 0.12 ± 7% perf-profile.children.cycles-pp.do_pte_missing 59.65 ± 15% -59.6 0.00 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 34.41 ± 14% -34.4 0.00 perf-profile.children.cycles-pp.__do_fault 34.39 ± 14% -34.4 0.00 perf-profile.children.cycles-pp.filemap_fault 32.60 ± 16% -32.6 0.00 perf-profile.children.cycles-pp.folio_wake_bit 32.04 ± 16% -32.0 0.00 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 28.63 ± 12% -28.6 0.00 perf-profile.children.cycles-pp.folio_wait_bit_common 27.84 ± 13% -27.8 0.00 perf-profile.children.cycles-pp._raw_spin_lock_irq 67.43 ± 10% -24.6 42.82 ± 5% perf-profile.children.cycles-pp.do_access 20.88 ± 17% -20.9 0.00 perf-profile.children.cycles-pp.asm_sysvec_call_function_single 8.38 ± 9% -8.3 0.05 perf-profile.children.cycles-pp.do_page_mkwrite 8.37 ± 9% -8.3 0.05 perf-profile.children.cycles-pp.__xfs_write_fault 8.29 ± 9% -8.3 0.00 perf-profile.children.cycles-pp.iomap_page_mkwrite 0.42 ± 22% -0.4 0.06 ± 7% perf-profile.children.cycles-pp.__schedule 0.25 ± 20% -0.2 0.04 ± 45% perf-profile.children.cycles-pp.schedule 0.09 ± 10% -0.0 0.06 ± 11% perf-profile.children.cycles-pp._raw_spin_lock 0.02 ±142% +0.0 0.07 ± 7% perf-profile.children.cycles-pp.sched_balance_find_src_group 0.01 ±223% +0.0 0.06 ± 8% perf-profile.children.cycles-pp.update_sg_lb_stats 0.02 ±141% +0.1 0.07 ± 11% perf-profile.children.cycles-pp.do_syscall_64 0.02 ±141% +0.1 0.07 ± 11% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 0.01 ±223% +0.1 0.06 ± 7% perf-profile.children.cycles-pp.update_sd_lb_stats 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.perf_rotate_context 0.00 +0.1 0.06 ± 13% perf-profile.children.cycles-pp.rcu_sched_clock_irq 0.03 ±102% +0.1 0.08 ± 5% perf-profile.children.cycles-pp.sched_balance_rq 0.00 +0.1 0.06 ± 11% perf-profile.children.cycles-pp.clockevents_program_event 0.00 +0.1 0.06 ± 13% perf-profile.children.cycles-pp.arch_scale_freq_tick 0.06 ± 15% +0.1 0.13 ± 10% perf-profile.children.cycles-pp.sched_balance_domains 0.01 ±223% +0.1 0.08 ± 16% perf-profile.children.cycles-pp.its_return_thunk 0.00 +0.1 0.08 ± 16% perf-profile.children.cycles-pp.__update_blocked_fair 0.00 +0.1 0.08 ± 32% perf-profile.children.cycles-pp._find_next_bit 0.00 +0.1 0.08 ± 19% perf-profile.children.cycles-pp.shmem_alloc_and_add_folio 0.00 +0.1 0.09 ± 19% perf-profile.children.cycles-pp.shmem_get_folio_gfp 0.00 +0.1 0.09 ± 19% perf-profile.children.cycles-pp.shmem_write_begin 0.00 +0.1 0.09 ± 16% perf-profile.children.cycles-pp.sched_balance_softirq 0.00 +0.1 0.09 ± 16% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 0.00 +0.1 0.11 ± 8% perf-profile.children.cycles-pp.native_sched_clock 0.00 +0.1 0.11 ± 6% perf-profile.children.cycles-pp.sched_clock 0.01 ±223% +0.1 0.12 ± 6% perf-profile.children.cycles-pp.sched_clock_cpu 0.03 ± 70% +0.1 0.16 ± 20% perf-profile.children.cycles-pp.task_tick_fair 0.02 ±142% +0.2 0.20 ± 20% perf-profile.children.cycles-pp.get_jiffies_update 0.00 +0.2 0.18 ± 7% perf-profile.children.cycles-pp.irqtime_account_irq 0.08 ± 14% +0.2 0.26 ± 10% perf-profile.children.cycles-pp.handle_softirqs 0.02 ±143% +0.2 0.20 ± 21% perf-profile.children.cycles-pp.tmigr_requires_handle_remote 0.00 +0.2 0.19 ± 28% perf-profile.children.cycles-pp.memcpy_orig 0.00 +0.2 0.19 ± 27% perf-profile.children.cycles-pp.copy_folio_from_iter_atomic 0.05 ± 73% +0.2 0.28 ± 27% perf-profile.children.cycles-pp.ktime_get 0.03 ±101% +0.3 0.29 ± 21% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler 0.09 ± 4% +0.3 0.36 ± 9% perf-profile.children.cycles-pp.sched_tick 0.03 ±100% +0.3 0.31 ± 31% perf-profile.children.cycles-pp.should_flush_tlb 0.00 +0.3 0.30 ± 23% perf-profile.children.cycles-pp.lo_rw_aio 0.00 +0.3 0.30 ± 23% perf-profile.children.cycles-pp.loop_process_work 0.00 +0.3 0.30 ± 10% perf-profile.children.cycles-pp.sync_regs 0.00 +0.3 0.31 ± 23% perf-profile.children.cycles-pp.generic_perform_write 0.00 +0.3 0.31 ± 23% perf-profile.children.cycles-pp.shmem_file_write_iter 0.11 ± 17% +0.3 0.42 ± 9% perf-profile.children.cycles-pp.__irq_exit_rcu 0.10 ± 25% +0.4 0.47 ± 8% perf-profile.children.cycles-pp.native_irq_return_iret 0.04 ±101% +0.4 0.47 ± 8% perf-profile.children.cycles-pp.native_flush_tlb_one_user 0.17 ± 18% +0.5 0.68 ± 3% perf-profile.children.cycles-pp.update_process_times 0.19 ± 20% +0.6 0.82 ± 5% perf-profile.children.cycles-pp.tick_nohz_handler 0.10 ± 33% +0.7 0.77 ± 11% perf-profile.children.cycles-pp.llist_reverse_order 0.10 ± 43% +0.7 0.84 ± 9% perf-profile.children.cycles-pp.flush_tlb_func 0.14 ± 47% +0.8 0.99 ± 37% perf-profile.children.cycles-pp.default_send_IPI_mask_sequence_phys 0.26 ± 20% +0.9 1.18 ± 8% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.30 ± 20% +1.0 1.30 ± 8% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.29 ± 20% +1.0 1.29 ± 8% perf-profile.children.cycles-pp.hrtimer_interrupt 0.41 ± 18% +1.2 1.64 ± 8% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.57 ± 47% +1.6 2.20 ± 36% perf-profile.children.cycles-pp.on_each_cpu_cond_mask 0.57 ± 47% +1.6 2.20 ± 36% perf-profile.children.cycles-pp.smp_call_function_many_cond 0.57 ± 47% +1.6 2.21 ± 36% perf-profile.children.cycles-pp.flush_tlb_mm_range 0.57 ± 47% +1.7 2.24 ± 36% perf-profile.children.cycles-pp.ptep_clear_flush 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.__rmap_walk_file 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.folio_clear_dirty_for_io 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.folio_mkclean 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.page_mkclean_one 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.page_vma_mkclean_one 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.writeback_get_folio 0.58 ± 47% +1.7 2.26 ± 36% perf-profile.children.cycles-pp.writeback_iter 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.__writeback_inodes_wb 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.__writeback_single_inode 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.do_writepages 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.iomap_writepages 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.wb_workfn 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.wb_writeback 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.writeback_sb_inodes 0.58 ± 47% +1.7 2.27 ± 36% perf-profile.children.cycles-pp.xfs_vm_writepages 0.59 ± 47% +2.0 2.58 ± 32% perf-profile.children.cycles-pp.process_one_work 0.59 ± 47% +2.0 2.59 ± 32% perf-profile.children.cycles-pp.worker_thread 0.60 ± 46% +2.0 2.60 ± 32% perf-profile.children.cycles-pp.kthread 0.60 ± 46% +2.0 2.60 ± 32% perf-profile.children.cycles-pp.ret_from_fork 0.60 ± 46% +2.0 2.60 ± 32% perf-profile.children.cycles-pp.ret_from_fork_asm 0.52 ± 29% +2.1 2.63 ± 10% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 0.26 ± 43% +2.4 2.64 ± 10% perf-profile.children.cycles-pp.__sysvec_call_function 0.29 ± 43% +2.6 2.86 ± 10% perf-profile.children.cycles-pp.sysvec_call_function 0.64 ± 43% +4.0 4.60 ± 8% perf-profile.children.cycles-pp.asm_sysvec_call_function 6.39 ± 42% +14.1 20.51 ± 7% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 7.72 ± 23% +57.9 65.59 ± 2% perf-profile.children.cycles-pp.do_rw_once 59.65 ± 15% -59.6 0.00 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 26.71 ± 23% -7.8 18.95 ± 7% perf-profile.self.cycles-pp.pv_native_safe_halt 0.08 ± 12% -0.0 0.06 ± 14% perf-profile.self.cycles-pp._raw_spin_lock 0.00 +0.1 0.06 ± 13% perf-profile.self.cycles-pp.its_return_thunk 0.00 +0.1 0.06 ± 13% perf-profile.self.cycles-pp.arch_scale_freq_tick 0.00 +0.1 0.06 ± 14% perf-profile.self.cycles-pp.__update_blocked_fair 0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.irqtime_account_irq 0.01 ±223% +0.1 0.08 ± 12% perf-profile.self.cycles-pp.sched_balance_domains 0.00 +0.1 0.09 ± 9% perf-profile.self.cycles-pp.asm_sysvec_call_function 0.00 +0.1 0.10 ± 4% perf-profile.self.cycles-pp.native_sched_clock 0.00 +0.1 0.11 ± 26% perf-profile.self.cycles-pp.tick_nohz_handler 0.02 ±142% +0.2 0.20 ± 20% perf-profile.self.cycles-pp.get_jiffies_update 0.00 +0.2 0.19 ± 27% perf-profile.self.cycles-pp.memcpy_orig 0.03 ±100% +0.2 0.26 ± 30% perf-profile.self.cycles-pp.ktime_get 0.03 ±100% +0.3 0.30 ± 31% perf-profile.self.cycles-pp.should_flush_tlb 0.00 +0.3 0.30 ± 10% perf-profile.self.cycles-pp.sync_regs 0.03 ±102% +0.3 0.36 ± 11% perf-profile.self.cycles-pp.flush_tlb_func 0.10 ± 25% +0.4 0.47 ± 8% perf-profile.self.cycles-pp.native_irq_return_iret 0.40 ± 46% +0.4 0.83 ± 37% perf-profile.self.cycles-pp.smp_call_function_many_cond 0.04 ±101% +0.4 0.47 ± 8% perf-profile.self.cycles-pp.native_flush_tlb_one_user 0.10 ± 35% +0.7 0.77 ± 11% perf-profile.self.cycles-pp.llist_reverse_order 0.14 ± 47% +0.8 0.98 ± 37% perf-profile.self.cycles-pp.default_send_IPI_mask_sequence_phys 0.12 ± 35% +0.9 1.01 ± 12% perf-profile.self.cycles-pp.__flush_smp_call_function_queue 1.25 ± 22% +13.5 14.72 ± 3% perf-profile.self.cycles-pp.do_access 7.38 ± 23% +50.4 57.76 ± 4% perf-profile.self.cycles-pp.do_rw_once 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