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 QRamo/qu 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed a 4.8% improvement of will-it-scale.per_process_ops on: commit: 94962b2628e6af2c48be6ebdf9f76add28d60ecc ("mm: folio_zero_user: clear page ranges") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz (Ivy Bridge-EP) with 64G memory parameters: nr_task: 100% mode: process test: page_fault1 cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260131/202601312034.df465f26-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-ivb-2ep2/page_fault1/will-it-scale commit: 9890ecab6a ("mm: folio_zero_user: clear pages sequentially") 94962b2628 ("mm: folio_zero_user: clear page ranges") 9890ecab6ad9c0d3 94962b2628e6af2c48be6ebdf9f ---------------- --------------------------- %stddev %change %stddev \ | \ 188907 -20.7% 149831 meminfo.Shmem 2571826 ± 4% -9.8% 2320837 ± 6% numa-meminfo.node1.AnonPages.max 55533 -5.8% 52308 vmstat.system.in 0.05 +0.0 0.06 mpstat.cpu.all.soft% 7.97 +1.2 9.13 mpstat.cpu.all.usr% 0.50 ± 9% +66.5% 0.83 ± 11% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 0.50 ± 9% +66.5% 0.83 ± 11% perf-sched.total_sch_delay.average.ms 16857808 -5.8% 15880074 turbostat.IRQ 1047246 ± 3% -43.1% 596149 ± 2% turbostat.NMI 13326899 +4.8% 13968231 will-it-scale.48.processes 277643 +4.8% 291004 will-it-scale.per_process_ops 13326899 +4.8% 13968231 will-it-scale.workload 7632 ± 4% +53.0% 11676 perf-c2c.DRAM.local 336.17 ± 15% +172.4% 915.83 ± 12% perf-c2c.DRAM.remote 55.17 ± 28% +109.1% 115.33 ± 9% perf-c2c.HIT.remote 548.33 ± 7% +119.2% 1201 ± 4% perf-c2c.HITM.local 158.83 ± 6% +183.7% 450.67 ± 3% perf-c2c.HITM.remote 980465 -1.1% 969931 proc-vmstat.nr_active_anon 966522 -1.0% 956717 proc-vmstat.nr_file_pages 47257 -20.8% 37450 proc-vmstat.nr_shmem 980461 -1.1% 969926 proc-vmstat.nr_zone_active_anon 16479858 +4.5% 17219093 proc-vmstat.numa_hit 16430403 +4.5% 17165377 proc-vmstat.numa_local 4.02e+09 +4.8% 4.213e+09 proc-vmstat.pgalloc_normal 8603457 +4.3% 8969427 proc-vmstat.pgfault 4.02e+09 +4.8% 4.213e+09 proc-vmstat.pgfree 7834289 +4.8% 8210993 proc-vmstat.thp_fault_alloc 6455 ±141% +750.4% 54895 ± 70% sched_debug.cfs_rq:/.left_deadline.avg 309861 ±141% +750.4% 2634973 ± 70% sched_debug.cfs_rq:/.left_deadline.max 44256 ±141% +750.4% 376343 ± 70% sched_debug.cfs_rq:/.left_deadline.stddev 6455 ±141% +750.4% 54895 ± 70% sched_debug.cfs_rq:/.left_vruntime.avg 309855 ±141% +750.4% 2634967 ± 70% sched_debug.cfs_rq:/.left_vruntime.max 44255 ±141% +750.4% 376342 ± 70% sched_debug.cfs_rq:/.left_vruntime.stddev 219.53 +873.1% 2136 ±185% sched_debug.cfs_rq:/.load_avg.max 60.71 ± 10% +444.0% 330.25 ±167% sched_debug.cfs_rq:/.load_avg.stddev 6455 ±141% +750.4% 54895 ± 70% sched_debug.cfs_rq:/.right_vruntime.avg 309855 ±141% +750.4% 2634967 ± 70% sched_debug.cfs_rq:/.right_vruntime.max 44255 ±141% +750.4% 376342 ± 70% sched_debug.cfs_rq:/.right_vruntime.stddev 8.51 ± 12% +67.6% 14.25 ± 14% sched_debug.cpu.clock.stddev 148335 ± 37% -79.4% 30520 ± 8% sched_debug.cpu.nr_switches.max 22646 ± 34% -73.7% 5946 ± 8% sched_debug.cpu.nr_switches.stddev 586.24 +45.2% 851.22 perf-stat.i.MPKI 3.795e+08 -23.6% 2.901e+08 perf-stat.i.branch-instructions 1.19 +0.4 1.55 perf-stat.i.branch-miss-rate% 8.737e+08 +4.8% 9.154e+08 perf-stat.i.cache-misses 9.041e+08 +5.1% 9.506e+08 perf-stat.i.cache-references 94.80 +38.7% 131.45 perf-stat.i.cpi 83.43 ± 2% -10.6% 74.57 perf-stat.i.cpu-migrations 162.14 -4.5% 154.78 perf-stat.i.cycles-between-cache-misses 1.806e+09 -22.0% 1.409e+09 perf-stat.i.instructions 0.01 -20.5% 0.01 perf-stat.i.ipc 0.10 ± 36% -59.3% 0.04 ± 38% perf-stat.i.major-faults 28196 +4.2% 29394 perf-stat.i.minor-faults 28196 +4.2% 29394 perf-stat.i.page-faults 483.60 +34.6% 650.80 perf-stat.overall.MPKI 1.92 +0.6 2.51 perf-stat.overall.branch-miss-rate% 78.25 +28.5% 100.54 perf-stat.overall.cpi 161.80 -4.5% 154.48 perf-stat.overall.cycles-between-cache-misses 0.01 -22.2% 0.01 perf-stat.overall.ipc 40822 -25.7% 30316 perf-stat.overall.path-length 3.784e+08 -23.7% 2.886e+08 perf-stat.ps.branch-instructions 8.706e+08 +4.8% 9.121e+08 perf-stat.ps.cache-misses 9.009e+08 +5.1% 9.472e+08 perf-stat.ps.cache-references 83.08 ± 2% -10.6% 74.23 perf-stat.ps.cpu-migrations 1.8e+09 -22.2% 1.402e+09 perf-stat.ps.instructions 0.10 ± 36% -59.5% 0.04 ± 39% perf-stat.ps.major-faults 28093 +4.2% 29283 perf-stat.ps.minor-faults 28093 +4.2% 29283 perf-stat.ps.page-faults 5.44e+11 -22.2% 4.235e+11 perf-stat.total.instructions 86.63 -58.6 28.03 perf-profile.calltrace.cycles-pp.folio_zero_user.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault 97.92 -3.3 94.64 perf-profile.calltrace.cycles-pp.testcase 88.40 -2.3 86.08 perf-profile.calltrace.cycles-pp.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 89.13 -2.3 86.86 perf-profile.calltrace.cycles-pp.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 89.28 -2.3 87.02 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 89.18 -2.3 86.92 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 89.49 -2.3 87.24 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.testcase 89.48 -2.2 87.23 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 89.56 -2.2 87.32 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.testcase 1.32 +0.3 1.60 perf-profile.calltrace.cycles-pp.prep_new_page.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof 1.43 +0.3 1.72 perf-profile.calltrace.cycles-pp.alloc_pages_mpol.vma_alloc_folio_noprof.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page.__handle_mm_fault 1.43 +0.3 1.71 perf-profile.calltrace.cycles-pp.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page 1.41 +0.3 1.70 perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.vma_alloc_anon_folio_pmd 1.45 +0.3 1.74 perf-profile.calltrace.cycles-pp.vma_alloc_folio_noprof.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault 1.45 +2.4 3.84 perf-profile.calltrace.cycles-pp.free_unref_folios.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu 1.54 +2.6 4.16 perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes 1.54 +2.6 4.19 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas 1.54 +2.7 4.20 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap 1.55 +2.7 4.22 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 1.64 +2.9 4.52 perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 1.67 +2.9 4.56 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 1.65 +2.9 4.54 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 1.67 +2.9 4.56 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.67 +2.9 4.56 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 1.67 +2.9 4.56 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 1.67 +2.9 4.57 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 1.67 +2.9 4.57 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 1.68 +2.9 4.58 perf-profile.calltrace.cycles-pp.__munmap 0.84 ± 5% +111.8 112.61 perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.folio_zero_user.vma_alloc_anon_folio_pmd.__do_huge_pmd_anonymous_page.__handle_mm_fault 97.97 -3.3 94.68 perf-profile.children.cycles-pp.testcase 86.84 -2.6 84.21 perf-profile.children.cycles-pp.folio_zero_user 88.40 -2.3 86.08 perf-profile.children.cycles-pp.vma_alloc_anon_folio_pmd 89.13 -2.3 86.86 perf-profile.children.cycles-pp.__do_huge_pmd_anonymous_page 89.21 -2.2 86.98 perf-profile.children.cycles-pp.__handle_mm_fault 89.31 -2.2 87.09 perf-profile.children.cycles-pp.handle_mm_fault 89.52 -2.2 87.30 perf-profile.children.cycles-pp.exc_page_fault 89.51 -2.2 87.30 perf-profile.children.cycles-pp.do_user_addr_fault 89.60 -2.2 87.40 perf-profile.children.cycles-pp.asm_exc_page_fault 0.75 ± 5% -0.4 0.39 ± 4% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.66 ± 5% -0.3 0.34 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.66 ± 5% -0.3 0.34 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt 0.56 ± 6% -0.3 0.28 ± 4% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.44 ± 6% -0.2 0.22 ± 5% perf-profile.children.cycles-pp.tick_nohz_handler 0.41 ± 7% -0.2 0.20 ± 4% perf-profile.children.cycles-pp.update_process_times 0.27 ± 6% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.sched_tick 0.18 ± 7% -0.1 0.09 ± 7% perf-profile.children.cycles-pp.task_tick_fair 0.10 ± 3% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.__irqentry_text_end 0.10 ± 4% +0.0 0.12 ± 4% perf-profile.children.cycles-pp.lock_vma_under_rcu 0.12 ± 3% +0.0 0.14 ± 5% perf-profile.children.cycles-pp.___perf_sw_event 0.07 ± 8% +0.0 0.09 ± 5% perf-profile.children.cycles-pp.try_charge_memcg 0.04 ± 44% +0.0 0.06 perf-profile.children.cycles-pp.mod_memcg_lruvec_state 0.05 ± 8% +0.0 0.07 ± 5% perf-profile.children.cycles-pp.mod_node_page_state 0.37 +0.0 0.39 ± 2% perf-profile.children.cycles-pp.pte_alloc_one 0.06 ± 9% +0.0 0.08 ± 4% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.36 +0.0 0.38 perf-profile.children.cycles-pp.alloc_pages_noprof 0.05 +0.0 0.08 ± 7% perf-profile.children.cycles-pp.free_tail_page_prepare 0.06 ± 9% +0.0 0.08 ± 5% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.x64_sys_call 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.load_elf_binary 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.exec_binprm 0.01 ±223% +0.1 0.07 ± 7% perf-profile.children.cycles-pp.charge_memcg 0.00 +0.1 0.06 ± 15% perf-profile.children.cycles-pp.asm_sysvec_call_function 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.bprm_execve 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.folio_remove_rmap_pmd 0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi 0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp.free_pgtables 0.05 +0.1 0.14 ± 3% perf-profile.children.cycles-pp.__mmap 0.00 +0.1 0.09 ± 7% perf-profile.children.cycles-pp.__folio_unqueue_deferred_split 0.00 +0.1 0.09 ± 4% perf-profile.children.cycles-pp.execve 0.00 +0.1 0.09 ± 5% perf-profile.children.cycles-pp.__x64_sys_execve 0.00 +0.1 0.09 ± 5% perf-profile.children.cycles-pp.do_execveat_common 0.06 +0.1 0.16 ± 3% perf-profile.children.cycles-pp.vm_mmap_pgoff 0.05 ± 8% +0.1 0.15 ± 5% perf-profile.children.cycles-pp.do_mmap 0.00 +0.1 0.11 ± 4% perf-profile.children.cycles-pp.__mmap_region 0.00 +0.1 0.13 ± 2% perf-profile.children.cycles-pp.lru_gen_del_folio 0.00 +0.1 0.14 ± 2% perf-profile.children.cycles-pp.__page_cache_release 0.08 +0.1 0.22 ± 3% perf-profile.children.cycles-pp.zap_huge_pmd 0.09 ± 4% +0.2 0.25 ± 3% perf-profile.children.cycles-pp.unmap_page_range 0.08 ± 5% +0.2 0.24 ± 3% perf-profile.children.cycles-pp.zap_pmd_range 0.09 ± 6% +0.2 0.25 perf-profile.children.cycles-pp.unmap_vmas 1.47 +0.3 1.75 perf-profile.children.cycles-pp.prep_new_page 1.64 +0.3 1.93 perf-profile.children.cycles-pp.get_page_from_freelist 1.46 +0.3 1.75 perf-profile.children.cycles-pp.vma_alloc_folio_noprof 1.79 +0.3 2.10 perf-profile.children.cycles-pp.alloc_pages_mpol 1.78 +0.3 2.09 perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 1.46 +2.4 3.86 perf-profile.children.cycles-pp.free_unref_folios 1.54 +2.6 4.17 perf-profile.children.cycles-pp.folios_put_refs 1.54 +2.7 4.20 perf-profile.children.cycles-pp.free_pages_and_swap_cache 1.55 +2.7 4.20 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 1.55 +2.7 4.23 perf-profile.children.cycles-pp.tlb_finish_mmu 1.64 +2.9 4.52 perf-profile.children.cycles-pp.vms_clear_ptes 1.65 +2.9 4.54 perf-profile.children.cycles-pp.vms_complete_munmap_vmas 1.67 +2.9 4.56 perf-profile.children.cycles-pp.do_vmi_align_munmap 1.67 +2.9 4.57 perf-profile.children.cycles-pp.__x64_sys_munmap 1.67 +2.9 4.57 perf-profile.children.cycles-pp.__vm_munmap 1.67 +2.9 4.56 perf-profile.children.cycles-pp.do_vmi_munmap 1.68 +2.9 4.58 perf-profile.children.cycles-pp.__munmap 1.93 +3.2 5.12 perf-profile.children.cycles-pp.do_syscall_64 1.93 +3.2 5.12 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 0.96 ± 5% +55.6 56.60 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 84.87 -1.2 83.67 perf-profile.self.cycles-pp.folio_zero_user 8.24 -1.0 7.28 perf-profile.self.cycles-pp.testcase 0.10 ± 3% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.__irqentry_text_end 0.08 ± 5% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.mas_walk 0.05 ± 8% +0.0 0.07 ± 5% perf-profile.self.cycles-pp.mod_node_page_state 0.00 +0.1 0.05 perf-profile.self.cycles-pp.__alloc_frozen_pages_noprof 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.free_tail_page_prepare 0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.zap_huge_pmd 0.00 +0.1 0.08 ± 8% perf-profile.self.cycles-pp.__folio_unqueue_deferred_split 0.00 +0.1 0.10 ± 3% perf-profile.self.cycles-pp.lru_gen_del_folio 0.00 +0.2 0.17 ± 2% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt 1.32 +0.3 1.60 perf-profile.self.cycles-pp.prep_new_page 1.40 +2.3 3.75 perf-profile.self.cycles-pp.free_unref_folios 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