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will-it-scale.per_process_ops on: commit: 70a64b7919cbd6c12306051ff2825839a9d65605 ("memcg: dynamically allocate lruvec_stats") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: will-it-scale test machine: 104 threads 2 sockets (Skylake) with 192G memory parameters: nr_task: 100% mode: process test: page_fault2 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 | Closes: https://lore.kernel.org/oe-lkp/202405171353.b56b845-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240517/202405171353.b56b845-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-13/performance/x86_64-rhel-8.3/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/page_fault2/will-it-scale commit: 59142d87ab ("memcg: reduce memory size of mem_cgroup_events_index") 70a64b7919 ("memcg: dynamically allocate lruvec_stats") 59142d87ab03b8ff 70a64b7919cbd6c12306051ff28 ---------------- --------------------------- %stddev %change %stddev \ | \ 7.14 -0.8 6.32 mpstat.cpu.all.usr% 245257 ± 7% -13.8% 211354 ± 4% sched_debug.cfs_rq:/.avg_vruntime.stddev 245258 ± 7% -13.8% 211353 ± 4% sched_debug.cfs_rq:/.min_vruntime.stddev 21099 ± 5% -14.9% 17946 ± 5% perf-c2c.DRAM.local 4025 ± 2% +29.1% 5197 ± 3% perf-c2c.HITM.local 105.17 ± 8% -12.7% 91.83 ± 6% perf-c2c.HITM.remote 9538291 -11.9% 8402170 will-it-scale.104.processes 91713 -11.9% 80789 will-it-scale.per_process_ops 9538291 -11.9% 8402170 will-it-scale.workload 1.438e+09 -11.2% 1.276e+09 numa-numastat.node0.local_node 1.44e+09 -11.3% 1.278e+09 numa-numastat.node0.numa_hit 83001 ± 15% -68.9% 25774 ± 34% numa-numastat.node0.other_node 1.453e+09 -12.5% 1.271e+09 numa-numastat.node1.local_node 1.454e+09 -12.5% 1.272e+09 numa-numastat.node1.numa_hit 24752 ± 51% +230.9% 81910 ± 10% numa-numastat.node1.other_node 1.44e+09 -11.3% 1.278e+09 numa-vmstat.node0.numa_hit 1.438e+09 -11.3% 1.276e+09 numa-vmstat.node0.numa_local 83001 ± 15% -68.9% 25774 ± 34% numa-vmstat.node0.numa_other 1.454e+09 -12.5% 1.272e+09 numa-vmstat.node1.numa_hit 1.453e+09 -12.5% 1.271e+09 numa-vmstat.node1.numa_local 24752 ± 51% +230.9% 81910 ± 10% numa-vmstat.node1.numa_other 14952 -3.2% 14468 proc-vmstat.nr_mapped 2.894e+09 -11.9% 2.55e+09 proc-vmstat.numa_hit 2.891e+09 -11.9% 2.548e+09 proc-vmstat.numa_local 2.88e+09 -11.8% 2.539e+09 proc-vmstat.pgalloc_normal 2.869e+09 -11.9% 2.529e+09 proc-vmstat.pgfault 2.88e+09 -11.8% 2.539e+09 proc-vmstat.pgfree 17.51 -2.6% 17.05 perf-stat.i.MPKI 9.457e+09 -9.2% 8.585e+09 perf-stat.i.branch-instructions 45022022 -8.2% 41340795 perf-stat.i.branch-misses 84.38 -4.9 79.51 perf-stat.i.cache-miss-rate% 8.353e+08 -12.1% 7.345e+08 perf-stat.i.cache-misses 9.877e+08 -6.7% 9.216e+08 perf-stat.i.cache-references 6.06 +10.8% 6.72 perf-stat.i.cpi 136.25 -1.2% 134.59 perf-stat.i.cpu-migrations 348.56 +13.9% 396.93 perf-stat.i.cycles-between-cache-misses 4.763e+10 -9.7% 4.302e+10 perf-stat.i.instructions 0.17 -9.6% 0.15 perf-stat.i.ipc 182.56 -11.9% 160.88 perf-stat.i.metric.K/sec 9494393 -11.9% 8368012 perf-stat.i.minor-faults 9494393 -11.9% 8368012 perf-stat.i.page-faults 17.54 -2.6% 17.08 perf-stat.overall.MPKI 0.47 +0.0 0.48 perf-stat.overall.branch-miss-rate% 84.57 -4.9 79.71 perf-stat.overall.cache-miss-rate% 6.07 +10.8% 6.73 perf-stat.overall.cpi 346.33 +13.8% 393.97 perf-stat.overall.cycles-between-cache-misses 0.16 -9.7% 0.15 perf-stat.overall.ipc 1503802 +2.6% 1542599 perf-stat.overall.path-length 9.424e+09 -9.2% 8.553e+09 perf-stat.ps.branch-instructions 44739120 -8.3% 41034189 perf-stat.ps.branch-misses 8.326e+08 -12.1% 7.321e+08 perf-stat.ps.cache-misses 9.846e+08 -6.7% 9.185e+08 perf-stat.ps.cache-references 134.98 -1.3% 133.26 perf-stat.ps.cpu-migrations 4.747e+10 -9.7% 4.286e+10 perf-stat.ps.instructions 9463902 -11.9% 8339836 perf-stat.ps.minor-faults 9463902 -11.9% 8339836 perf-stat.ps.page-faults 1.434e+13 -9.6% 1.296e+13 perf-stat.total.instructions 64.15 -2.4 61.72 perf-profile.calltrace.cycles-pp.testcase 58.30 -1.9 56.41 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.testcase 52.64 -1.4 51.28 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.testcase 52.50 -1.3 51.16 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 50.81 -1.0 49.86 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 49.86 -0.8 49.02 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 9.27 -0.8 8.45 ± 3% perf-profile.calltrace.cycles-pp.copy_page.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 49.21 -0.8 48.43 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 5.15 -0.5 4.68 perf-profile.calltrace.cycles-pp.__irqentry_text_end.testcase 3.24 -0.5 2.77 perf-profile.calltrace.cycles-pp.folio_prealloc.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.82 -0.3 0.51 perf-profile.calltrace.cycles-pp.lock_vma_under_rcu.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 1.68 -0.3 1.42 perf-profile.calltrace.cycles-pp.vma_alloc_folio_noprof.folio_prealloc.do_fault.__handle_mm_fault.handle_mm_fault 2.52 -0.2 2.28 perf-profile.calltrace.cycles-pp.error_entry.testcase 1.50 ± 2% -0.2 1.30 perf-profile.calltrace.cycles-pp.__mem_cgroup_charge.folio_prealloc.do_fault.__handle_mm_fault.handle_mm_fault 1.85 -0.1 1.70 ± 3% perf-profile.calltrace.cycles-pp.__pte_offset_map_lock.finish_fault.do_fault.__handle_mm_fault.handle_mm_fault 0.68 -0.1 0.55 ± 2% perf-profile.calltrace.cycles-pp.lru_add_fn.folio_batch_move_lru.folio_add_lru_vma.set_pte_range.finish_fault 1.55 -0.1 1.44 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.__pte_offset_map_lock.finish_fault.do_fault.__handle_mm_fault 0.55 -0.1 0.43 ± 44% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_noprof.alloc_pages_mpol_noprof.vma_alloc_folio_noprof.folio_prealloc 1.07 -0.1 0.98 perf-profile.calltrace.cycles-pp.alloc_pages_mpol_noprof.vma_alloc_folio_noprof.folio_prealloc.do_fault.__handle_mm_fault 0.90 -0.1 0.81 perf-profile.calltrace.cycles-pp.sync_regs.asm_exc_page_fault.testcase 0.89 -0.0 0.86 perf-profile.calltrace.cycles-pp.__alloc_pages_noprof.alloc_pages_mpol_noprof.vma_alloc_folio_noprof.folio_prealloc.do_fault 1.00 +0.1 1.05 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 3.85 +0.2 4.10 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 3.85 +0.2 4.10 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap 3.85 +0.2 4.10 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap 3.82 +0.3 4.07 perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region 3.68 +0.3 3.94 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu 0.83 +0.3 1.10 ± 2% perf-profile.calltrace.cycles-pp.__lruvec_stat_mod_folio.set_pte_range.finish_fault.do_fault.__handle_mm_fault 0.00 +0.5 0.54 perf-profile.calltrace.cycles-pp.__lruvec_stat_mod_folio.folio_remove_rmap_ptes.zap_present_ptes.zap_pte_range.zap_pmd_range 0.00 +0.7 0.66 perf-profile.calltrace.cycles-pp.folio_remove_rmap_ptes.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range 32.87 +0.7 33.62 perf-profile.calltrace.cycles-pp.set_pte_range.finish_fault.do_fault.__handle_mm_fault.handle_mm_fault 29.54 +2.3 31.80 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range 29.54 +2.3 31.80 perf-profile.calltrace.cycles-pp.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 29.53 +2.3 31.80 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range 30.66 +2.3 32.93 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap 30.66 +2.3 32.93 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 30.66 +2.3 32.93 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap 30.66 +2.3 32.93 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region 29.26 +2.3 31.60 perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range 28.41 +2.4 30.78 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu 34.56 +2.5 37.08 perf-profile.calltrace.cycles-pp.__munmap 34.56 +2.5 37.08 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 34.56 +2.5 37.08 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 34.55 +2.5 37.07 perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 34.55 +2.5 37.08 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 34.55 +2.5 37.08 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 34.55 +2.5 37.08 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 34.55 +2.5 37.08 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 31.41 +2.8 34.20 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.free_pages_and_swap_cache 31.42 +2.8 34.23 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages 31.38 +2.8 34.19 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs 65.26 -2.5 62.73 perf-profile.children.cycles-pp.testcase 56.09 -1.7 54.41 perf-profile.children.cycles-pp.asm_exc_page_fault 52.66 -1.4 51.30 perf-profile.children.cycles-pp.exc_page_fault 52.52 -1.3 51.18 perf-profile.children.cycles-pp.do_user_addr_fault 50.83 -1.0 49.88 perf-profile.children.cycles-pp.handle_mm_fault 49.87 -0.8 49.02 perf-profile.children.cycles-pp.__handle_mm_fault 9.35 -0.8 8.53 ± 3% perf-profile.children.cycles-pp.copy_page 49.23 -0.8 48.45 perf-profile.children.cycles-pp.do_fault 5.15 -0.5 4.68 perf-profile.children.cycles-pp.__irqentry_text_end 3.27 -0.5 2.80 perf-profile.children.cycles-pp.folio_prealloc 0.82 -0.3 0.52 perf-profile.children.cycles-pp.lock_vma_under_rcu 0.57 -0.3 0.32 perf-profile.children.cycles-pp.mas_walk 1.69 -0.3 1.43 perf-profile.children.cycles-pp.vma_alloc_folio_noprof 2.54 -0.2 2.30 perf-profile.children.cycles-pp.error_entry 1.52 ± 2% -0.2 1.31 perf-profile.children.cycles-pp.__mem_cgroup_charge 0.95 -0.2 0.79 ± 4% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 1.87 -0.2 1.72 ± 3% perf-profile.children.cycles-pp.__pte_offset_map_lock 0.60 ± 4% -0.1 0.46 ± 6% perf-profile.children.cycles-pp.get_mem_cgroup_from_mm 0.70 -0.1 0.56 ± 2% perf-profile.children.cycles-pp.lru_add_fn 1.57 -0.1 1.45 ± 3% perf-profile.children.cycles-pp._raw_spin_lock 1.16 -0.1 1.04 perf-profile.children.cycles-pp.native_irq_return_iret 1.12 -0.1 1.01 perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 0.44 -0.1 0.35 perf-profile.children.cycles-pp.get_vma_policy 0.94 -0.1 0.85 perf-profile.children.cycles-pp.sync_regs 0.96 -0.1 0.87 perf-profile.children.cycles-pp.__perf_sw_event 0.43 -0.1 0.34 ± 2% perf-profile.children.cycles-pp.free_unref_folios 0.21 ± 3% -0.1 0.13 ± 3% perf-profile.children.cycles-pp._compound_head 0.75 -0.1 0.68 perf-profile.children.cycles-pp.___perf_sw_event 0.31 -0.1 0.25 perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios 0.94 -0.0 0.90 perf-profile.children.cycles-pp.__alloc_pages_noprof 0.41 ± 4% -0.0 0.37 ± 4% perf-profile.children.cycles-pp.mem_cgroup_commit_charge 0.44 ± 5% -0.0 0.40 ± 5% perf-profile.children.cycles-pp.__count_memcg_events 0.17 ± 2% -0.0 0.13 ± 4% perf-profile.children.cycles-pp.uncharge_batch 0.57 -0.0 0.53 ± 2% perf-profile.children.cycles-pp.get_page_from_freelist 0.13 ± 2% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__mod_zone_page_state 0.19 ± 3% -0.0 0.16 ± 6% perf-profile.children.cycles-pp.cgroup_rstat_updated 0.15 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.free_unref_page_commit 0.10 ± 3% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.mem_cgroup_update_lru_size 0.08 -0.0 0.05 perf-profile.children.cycles-pp.policy_nodemask 0.13 ± 3% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.page_counter_uncharge 0.32 ± 3% -0.0 0.30 ± 2% perf-profile.children.cycles-pp.__mod_node_page_state 0.17 ± 2% -0.0 0.15 ± 3% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.16 ± 2% -0.0 0.14 ± 2% perf-profile.children.cycles-pp.shmem_get_policy 0.16 -0.0 0.14 ± 2% perf-profile.children.cycles-pp.handle_pte_fault 0.16 ± 4% -0.0 0.14 ± 4% perf-profile.children.cycles-pp.__pte_offset_map 0.09 -0.0 0.07 ± 5% perf-profile.children.cycles-pp.get_pfnblock_flags_mask 0.12 ± 3% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.uncharge_folio 0.36 -0.0 0.34 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.10 ± 3% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.pte_offset_map_nolock 0.30 -0.0 0.28 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.09 ± 4% -0.0 0.08 perf-profile.children.cycles-pp.down_read_trylock 0.08 -0.0 0.07 ± 5% perf-profile.children.cycles-pp.folio_unlock 0.40 +0.0 0.43 perf-profile.children.cycles-pp.__mod_lruvec_state 1.02 +0.0 1.06 perf-profile.children.cycles-pp.zap_present_ptes 0.47 +0.2 0.67 perf-profile.children.cycles-pp.folio_remove_rmap_ptes 3.87 +0.3 4.12 perf-profile.children.cycles-pp.tlb_finish_mmu 1.17 +0.5 1.71 ± 2% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 32.88 +0.8 33.63 perf-profile.children.cycles-pp.set_pte_range 29.54 +2.3 31.80 perf-profile.children.cycles-pp.tlb_flush_mmu 30.66 +2.3 32.93 perf-profile.children.cycles-pp.zap_pte_range 30.66 +2.3 32.94 perf-profile.children.cycles-pp.unmap_page_range 30.66 +2.3 32.94 perf-profile.children.cycles-pp.zap_pmd_range 30.66 +2.3 32.94 perf-profile.children.cycles-pp.unmap_vmas 33.41 +2.5 35.92 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 33.40 +2.5 35.92 perf-profile.children.cycles-pp.free_pages_and_swap_cache 34.56 +2.5 37.08 perf-profile.children.cycles-pp.__munmap 34.56 +2.5 37.08 perf-profile.children.cycles-pp.__vm_munmap 34.56 +2.5 37.08 perf-profile.children.cycles-pp.__x64_sys_munmap 34.56 +2.5 37.09 perf-profile.children.cycles-pp.do_vmi_munmap 34.56 +2.5 37.09 perf-profile.children.cycles-pp.do_vmi_align_munmap 34.67 +2.5 37.20 perf-profile.children.cycles-pp.do_syscall_64 34.67 +2.5 37.20 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 34.56 +2.5 37.09 perf-profile.children.cycles-pp.unmap_region 33.22 +2.6 35.80 perf-profile.children.cycles-pp.folios_put_refs 32.12 +2.6 34.75 perf-profile.children.cycles-pp.__page_cache_release 61.97 +3.3 65.27 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 61.94 +3.3 65.26 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 61.98 +3.3 65.30 perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 9.32 -0.8 8.49 ± 3% perf-profile.self.cycles-pp.copy_page 5.15 -0.5 4.68 perf-profile.self.cycles-pp.__irqentry_text_end 0.56 -0.3 0.31 perf-profile.self.cycles-pp.mas_walk 2.58 -0.2 2.33 perf-profile.self.cycles-pp.testcase 2.53 -0.2 2.30 perf-profile.self.cycles-pp.error_entry 0.60 ± 4% -0.2 0.44 ± 6% perf-profile.self.cycles-pp.get_mem_cgroup_from_mm 0.85 -0.1 0.71 ± 4% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 1.54 -0.1 1.43 ± 3% perf-profile.self.cycles-pp._raw_spin_lock 1.15 -0.1 1.04 perf-profile.self.cycles-pp.native_irq_return_iret 0.94 -0.1 0.85 perf-profile.self.cycles-pp.sync_regs 0.20 ± 3% -0.1 0.13 ± 3% perf-profile.self.cycles-pp._compound_head 0.27 ± 3% -0.1 0.20 ± 3% perf-profile.self.cycles-pp.free_pages_and_swap_cache 0.26 -0.1 0.18 ± 2% perf-profile.self.cycles-pp.get_vma_policy 0.26 -0.1 0.19 ± 2% perf-profile.self.cycles-pp.__page_cache_release 0.16 -0.1 0.09 ± 5% perf-profile.self.cycles-pp.vma_alloc_folio_noprof 0.28 ± 2% -0.1 0.22 ± 3% perf-profile.self.cycles-pp.zap_present_ptes 0.66 -0.1 0.60 perf-profile.self.cycles-pp.___perf_sw_event 0.32 -0.1 0.27 ± 5% perf-profile.self.cycles-pp.lru_add_fn 0.47 -0.0 0.43 ± 2% perf-profile.self.cycles-pp.__handle_mm_fault 0.16 ± 4% -0.0 0.12 perf-profile.self.cycles-pp.lock_vma_under_rcu 0.20 -0.0 0.16 ± 4% perf-profile.self.cycles-pp.free_unref_folios 0.30 -0.0 0.26 perf-profile.self.cycles-pp.handle_mm_fault 0.10 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.zap_pte_range 0.09 ± 5% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.mem_cgroup_update_lru_size 0.14 ± 2% -0.0 0.11 ± 4% perf-profile.self.cycles-pp.mem_cgroup_commit_charge 0.14 ± 3% -0.0 0.12 ± 4% perf-profile.self.cycles-pp.folio_remove_rmap_ptes 0.12 ± 4% -0.0 0.09 ± 7% perf-profile.self.cycles-pp.__mod_zone_page_state 0.10 ± 4% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.alloc_pages_mpol_noprof 0.11 -0.0 0.08 ± 5% perf-profile.self.cycles-pp.free_unref_page_commit 0.22 ± 2% -0.0 0.19 perf-profile.self.cycles-pp.__pte_offset_map_lock 0.21 -0.0 0.18 ± 2% perf-profile.self.cycles-pp.__perf_sw_event 0.21 -0.0 0.18 ± 2% perf-profile.self.cycles-pp.do_user_addr_fault 0.31 ± 2% -0.0 0.29 perf-profile.self.cycles-pp.__mod_node_page_state 0.16 ± 2% -0.0 0.14 ± 5% perf-profile.self.cycles-pp.cgroup_rstat_updated 0.17 ± 2% -0.0 0.15 ± 2% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.11 -0.0 0.09 ± 4% perf-profile.self.cycles-pp.page_counter_uncharge 0.09 -0.0 0.07 perf-profile.self.cycles-pp.get_pfnblock_flags_mask 0.28 ± 2% -0.0 0.26 ± 2% perf-profile.self.cycles-pp.xas_load 0.16 ± 2% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.get_page_from_freelist 0.12 -0.0 0.10 ± 3% perf-profile.self.cycles-pp.uncharge_folio 0.16 ± 4% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.__pte_offset_map 0.20 ± 2% -0.0 0.19 ± 2% perf-profile.self.cycles-pp.shmem_get_folio_gfp 0.16 ± 3% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.shmem_get_policy 0.14 ± 3% -0.0 0.12 ± 4% perf-profile.self.cycles-pp.do_fault 0.08 -0.0 0.07 ± 7% perf-profile.self.cycles-pp.folio_unlock 0.12 ± 3% -0.0 0.11 perf-profile.self.cycles-pp.folio_add_new_anon_rmap 0.09 -0.0 0.08 perf-profile.self.cycles-pp.down_read_trylock 0.07 -0.0 0.06 perf-profile.self.cycles-pp.folio_prealloc 0.38 ± 2% +0.0 0.42 ± 3% perf-profile.self.cycles-pp.filemap_get_entry 0.26 +0.1 0.36 perf-profile.self.cycles-pp.folios_put_refs 0.33 +0.1 0.44 ± 3% perf-profile.self.cycles-pp.folio_batch_move_lru 0.40 ± 5% +0.6 0.98 perf-profile.self.cycles-pp.__lruvec_stat_mod_folio 61.94 +3.3 65.26 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