Greeting, FYI, we noticed a -62.6% regression of stress-ng.remap.ops_per_sec due to commit: commit: 237b4454014d3759acc6459eb329c5e3d55113ed ("[PATCH v2 07/13] mm/munlock: mlock_pte_range() when mlocking or munlocking") url: https://github.com/0day-ci/linux/commits/Hugh-Dickins/mm-munlock-rework-o... base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git ee28855a54493ce83bc2a3fbe30210be61b57bc7 patch link: https://lore.kernel.org/lkml/d39f6e4d-aa4f-731a-68ee-e77cdbf1d7bb@google.com in testcase: stress-ng on test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz with 128G memory with following parameters: nr_threads: 100% testtime: 60s class: memory test: remap cpufreq_governor: performance ucode: 0xd000280 If you fix the issue, kindly add following tag Reported-by: kernel test robot <oliver.sang(a)intel.com&gt; Details are as below: --------------------------------------------------------------------------------------------------> To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. ========================================================================================= class/compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime/ucode: memory/gcc-9/performance/x86_64-rhel-8.3/100%/debian-10.4-x86_64-20200603.cgz/lkp-icl-2sp6/remap/stress-ng/60s/0xd000280 commit: c479426e09 ("mm/munlock: maintain page->mlock_count while unevictable") 237b445401 ("mm/munlock: mlock_pte_range() when mlocking or munlocking") c479426e09c8088d 237b4454014d3759acc6459eb32 ---------------- --------------------------- %stddev %change %stddev \ | \ 109459 -62.5% 41003 ± 2% stress-ng.remap.ops 1823 -62.6% 682.54 ± 2% stress-ng.remap.ops_per_sec 2.242e+08 -62.5% 83989157 ± 2% stress-ng.time.minor_page_faults 30.00 ± 2% -61.2% 11.65 ± 4% stress-ng.time.user_time 0.48 -0.2 0.26 ± 2% mpstat.cpu.all.usr% 439776 +35.9% 597819 meminfo.Inactive 439776 +35.9% 597819 meminfo.Inactive(anon) 157638 -99.8% 247.00 meminfo.Mlocked 289539 ± 17% +30.0% 376365 ± 5% numa-meminfo.node0.Inactive 289539 ± 17% +30.0% 376365 ± 5% numa-meminfo.node0.Inactive(anon) 77981 -99.8% 126.50 numa-meminfo.node0.Mlocked 79990 ± 2% -99.9% 119.50 numa-meminfo.node1.Mlocked 72605 ± 17% +29.8% 94255 ± 5% numa-vmstat.node0.nr_inactive_anon 19407 -99.8% 31.50 ± 2% numa-vmstat.node0.nr_mlock 72603 ± 17% +29.8% 94255 ± 5% numa-vmstat.node0.nr_zone_inactive_anon 20066 ± 2% -99.9% 29.50 numa-vmstat.node1.nr_mlock 110126 +35.6% 149376 proc-vmstat.nr_inactive_anon 61898 +1.2% 62642 proc-vmstat.nr_mapped 39411 -99.8% 61.33 proc-vmstat.nr_mlock 661395 -5.9% 622058 proc-vmstat.nr_unevictable 110126 +35.6% 149376 proc-vmstat.nr_zone_inactive_anon 661395 -5.9% 622058 proc-vmstat.nr_zone_unevictable 1039724 -17.6% 856602 proc-vmstat.numa_hit 928057 -20.2% 740906 proc-vmstat.numa_local 1039735 -17.7% 855482 proc-vmstat.pgalloc_normal 2.247e+08 -62.4% 84468472 ± 2% proc-vmstat.pgfault 802397 ± 4% -26.1% 593350 ± 7% proc-vmstat.pgfree 55865 ± 38% -100.0% 0.00 proc-vmstat.unevictable_pgs_cleared 1.121e+08 +49.8% 1.678e+08 ± 2% proc-vmstat.unevictable_pgs_culled 1.121e+08 +49.8% 1.678e+08 ± 2% proc-vmstat.unevictable_pgs_mlocked 1.12e+08 +49.9% 1.678e+08 ± 2% proc-vmstat.unevictable_pgs_munlocked 1.12e+08 +49.9% 1.678e+08 ± 2% proc-vmstat.unevictable_pgs_rescued 3.06 ± 11% +33.6% 4.09 ± 9% perf-stat.i.MPKI 1.555e+10 -29.1% 1.102e+10 perf-stat.i.branch-instructions 0.63 ± 3% -0.2 0.47 ± 4% perf-stat.i.branch-miss-rate% 86979814 -49.4% 44006612 ± 2% perf-stat.i.branch-misses 5.57 +45.0% 8.08 perf-stat.i.cpi 0.03 ± 8% -0.0 0.02 ± 12% perf-stat.i.dTLB-load-miss-rate% 4465030 -50.5% 2211973 ± 3% perf-stat.i.dTLB-load-misses 1.882e+10 -32.8% 1.265e+10 perf-stat.i.dTLB-loads 6.515e+09 -52.5% 3.095e+09 ± 2% perf-stat.i.dTLB-stores 7.012e+10 -30.9% 4.842e+10 perf-stat.i.instructions 0.20 ± 2% -26.4% 0.15 ± 2% perf-stat.i.ipc 321.02 -34.4% 210.63 perf-stat.i.metric.M/sec 2061534 -57.3% 879696 ± 2% perf-stat.i.node-loads 531446 ± 7% -31.1% 366181 ± 21% perf-stat.i.node-stores 2.89 ± 9% +37.5% 3.97 ± 10% perf-stat.overall.MPKI 0.56 -0.2 0.40 ± 2% perf-stat.overall.branch-miss-rate% 5.71 +45.1% 8.28 perf-stat.overall.cpi 0.02 -0.0 0.02 ± 2% perf-stat.overall.dTLB-load-miss-rate% 0.00 ± 11% +0.0 0.00 ± 11% perf-stat.overall.dTLB-store-miss-rate% 0.18 -31.1% 0.12 perf-stat.overall.ipc 1.532e+10 -29.1% 1.086e+10 perf-stat.ps.branch-instructions 85628106 -49.4% 43291977 ± 2% perf-stat.ps.branch-misses 4429976 -49.9% 2220756 ± 3% perf-stat.ps.dTLB-load-misses 1.854e+10 -32.8% 1.246e+10 perf-stat.ps.dTLB-loads 6.417e+09 -52.5% 3.049e+09 ± 2% perf-stat.ps.dTLB-stores 6.906e+10 -31.0% 4.769e+10 perf-stat.ps.instructions 2037560 -57.2% 872256 ± 2% perf-stat.ps.node-loads 522322 ± 7% -31.0% 360168 ± 21% perf-stat.ps.node-stores 4.39e+12 -31.2% 3.021e+12 perf-stat.total.instructions 98.28 -47.8 50.50 perf-profile.calltrace.cycles-pp.remap_file_pages 98.14 -47.7 50.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.remap_file_pages 98.07 -47.6 50.42 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.remap_file_pages 98.03 -47.6 50.40 perf-profile.calltrace.cycles-pp.__x64_sys_remap_file_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.remap_file_pages 50.17 -24.4 25.79 perf-profile.calltrace.cycles-pp.do_mmap.__x64_sys_remap_file_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.remap_file_pages 50.01 -24.3 25.72 perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.__x64_sys_remap_file_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe 48.46 -23.3 25.16 perf-profile.calltrace.cycles-pp.__do_munmap.mmap_region.do_mmap.__x64_sys_remap_file_pages.do_syscall_64 47.70 -23.1 24.56 perf-profile.calltrace.cycles-pp.__mm_populate.__x64_sys_remap_file_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.remap_file_pages 47.52 -23.0 24.49 perf-profile.calltrace.cycles-pp.populate_vma_page_range.__mm_populate.__x64_sys_remap_file_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe 47.50 -23.0 24.49 perf-profile.calltrace.cycles-pp.__get_user_pages.populate_vma_page_range.__mm_populate.__x64_sys_remap_file_pages.do_syscall_64 47.80 -22.9 24.92 perf-profile.calltrace.cycles-pp.unmap_region.__do_munmap.mmap_region.do_mmap.__x64_sys_remap_file_pages 47.14 -22.8 24.36 perf-profile.calltrace.cycles-pp.handle_mm_fault.__get_user_pages.populate_vma_page_range.__mm_populate.__x64_sys_remap_file_pages 47.06 -22.7 24.33 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.__get_user_pages.populate_vma_page_range.__mm_populate 46.97 -22.7 24.30 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages.populate_vma_page_range 46.94 -22.7 24.29 perf-profile.calltrace.cycles-pp.filemap_map_pages.do_fault.__handle_mm_fault.handle_mm_fault.__get_user_pages 46.56 -22.4 24.12 perf-profile.calltrace.cycles-pp.do_set_pte.filemap_map_pages.do_fault.__handle_mm_fault.handle_mm_fault 46.91 -22.3 24.58 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.__do_munmap.mmap_region.do_mmap 46.38 -22.3 24.06 perf-profile.calltrace.cycles-pp.mlock_page.do_set_pte.filemap_map_pages.do_fault.__handle_mm_fault 46.84 -22.3 24.55 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.__do_munmap.mmap_region 46.72 -22.2 24.51 perf-profile.calltrace.cycles-pp.zap_pte_range.unmap_page_range.unmap_vmas.unmap_region.__do_munmap 45.95 -22.1 23.82 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.mlock_page.do_set_pte.filemap_map_pages.do_fault 45.82 -22.0 23.78 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.mlock_page.do_set_pte.filemap_map_pages 45.64 -21.9 23.72 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.mlock_page.do_set_pte 46.18 -21.9 24.32 perf-profile.calltrace.cycles-pp.munlock_page.zap_pte_range.unmap_page_range.unmap_vmas.unmap_region 45.70 -21.7 24.00 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.munlock_page.zap_pte_range.unmap_page_range.unmap_vmas 45.61 -21.6 23.97 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.munlock_page.zap_pte_range.unmap_page_range 45.42 -21.5 23.91 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.munlock_page.zap_pte_range 1.05 ± 2% +23.7 24.78 perf-profile.calltrace.cycles-pp.mlock 0.93 ± 2% +23.8 24.74 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.mlock 0.91 ± 2% +23.8 24.73 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.mlock 0.88 ± 2% +23.8 24.72 perf-profile.calltrace.cycles-pp.__x64_sys_mlock.do_syscall_64.entry_SYSCALL_64_after_hwframe.mlock 0.87 ± 2% +23.8 24.71 perf-profile.calltrace.cycles-pp.do_mlock.__x64_sys_mlock.do_syscall_64.entry_SYSCALL_64_after_hwframe.mlock 0.00 +23.9 23.86 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.munlock_page.mlock_pte_range 0.00 +23.9 23.87 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.folio_lruvec_lock_irq.mlock_page.mlock_pte_range 0.00 +23.9 23.92 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.munlock_page.mlock_pte_range.walk_p4d_range 0.00 +23.9 23.92 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.folio_lruvec_lock_irq.mlock_page.mlock_pte_range.walk_p4d_range 0.00 +24.0 23.96 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.munlock_page.mlock_pte_range.walk_p4d_range.__walk_page_range 0.00 +24.0 23.97 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irq.mlock_page.mlock_pte_range.walk_p4d_range.__walk_page_range 0.54 +24.1 24.63 perf-profile.calltrace.cycles-pp.munlock 0.00 +24.2 24.22 perf-profile.calltrace.cycles-pp.mlock_page.mlock_pte_range.walk_p4d_range.__walk_page_range.walk_page_range 0.00 +24.3 24.28 perf-profile.calltrace.cycles-pp.munlock_page.mlock_pte_range.walk_p4d_range.__walk_page_range.walk_page_range 0.00 +24.3 24.33 perf-profile.calltrace.cycles-pp.__walk_page_range.walk_page_range.mlock_fixup.apply_vma_lock_flags.do_mlock 0.00 +24.3 24.35 perf-profile.calltrace.cycles-pp.walk_page_range.mlock_fixup.apply_vma_lock_flags.do_mlock.__x64_sys_mlock 0.00 +24.4 24.36 perf-profile.calltrace.cycles-pp.__walk_page_range.walk_page_range.mlock_fixup.apply_vma_lock_flags.__x64_sys_munlock 0.00 +24.4 24.38 perf-profile.calltrace.cycles-pp.walk_page_range.mlock_fixup.apply_vma_lock_flags.__x64_sys_munlock.do_syscall_64 0.00 +24.5 24.48 perf-profile.calltrace.cycles-pp.mlock_fixup.apply_vma_lock_flags.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +24.5 24.48 perf-profile.calltrace.cycles-pp.mlock_fixup.apply_vma_lock_flags.do_mlock.__x64_sys_mlock.do_syscall_64 0.00 +24.5 24.50 perf-profile.calltrace.cycles-pp.apply_vma_lock_flags.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe.munlock 0.00 +24.5 24.53 perf-profile.calltrace.cycles-pp.apply_vma_lock_flags.do_mlock.__x64_sys_mlock.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +24.6 24.56 perf-profile.calltrace.cycles-pp.__x64_sys_munlock.do_syscall_64.entry_SYSCALL_64_after_hwframe.munlock 0.00 +24.6 24.58 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.munlock 0.00 +24.6 24.58 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.munlock 0.00 +48.6 48.62 perf-profile.calltrace.cycles-pp.mlock_pte_range.walk_p4d_range.__walk_page_range.walk_page_range.mlock_fixup 0.00 +48.7 48.68 perf-profile.calltrace.cycles-pp.walk_p4d_range.__walk_page_range.walk_page_range.mlock_fixup.apply_vma_lock_flags 98.34 -47.8 50.51 perf-profile.children.cycles-pp.remap_file_pages 98.04 -47.6 50.41 perf-profile.children.cycles-pp.__x64_sys_remap_file_pages 50.18 -24.4 25.79 perf-profile.children.cycles-pp.do_mmap 50.03 -24.3 25.73 perf-profile.children.cycles-pp.mmap_region 48.04 -23.4 24.68 perf-profile.children.cycles-pp.__mm_populate 48.47 -23.3 25.17 perf-profile.children.cycles-pp.__do_munmap 47.76 -23.2 24.58 perf-profile.children.cycles-pp.populate_vma_page_range 47.74 -23.2 24.57 perf-profile.children.cycles-pp.__get_user_pages 47.81 -22.9 24.93 perf-profile.children.cycles-pp.unmap_region 47.14 -22.8 24.36 perf-profile.children.cycles-pp.handle_mm_fault 47.06 -22.7 24.34 perf-profile.children.cycles-pp.__handle_mm_fault 46.98 -22.7 24.31 perf-profile.children.cycles-pp.do_fault 46.96 -22.7 24.30 perf-profile.children.cycles-pp.filemap_map_pages 46.57 -22.4 24.13 perf-profile.children.cycles-pp.do_set_pte 46.92 -22.3 24.58 perf-profile.children.cycles-pp.unmap_vmas 46.85 -22.3 24.56 perf-profile.children.cycles-pp.unmap_page_range 46.74 -22.2 24.52 perf-profile.children.cycles-pp.zap_pte_range 0.60 -0.4 0.23 ± 4% perf-profile.children.cycles-pp.tlb_finish_mmu 0.57 -0.3 0.22 ± 4% perf-profile.children.cycles-pp.tlb_flush_mmu 0.45 ± 2% -0.3 0.16 ± 5% perf-profile.children.cycles-pp.perf_event_mmap 0.38 ± 2% -0.2 0.14 ± 6% perf-profile.children.cycles-pp.vma_link 0.38 ± 2% -0.2 0.14 ± 4% perf-profile.children.cycles-pp.flush_tlb_mm_range 0.37 -0.2 0.16 ± 4% perf-profile.children.cycles-pp.find_vma 0.31 ± 3% -0.2 0.11 ± 3% perf-profile.children.cycles-pp.__vma_adjust 0.29 ± 2% -0.2 0.10 ± 3% perf-profile.children.cycles-pp.__split_vma 0.30 ± 2% -0.2 0.11 ± 6% perf-profile.children.cycles-pp.flush_tlb_func 0.28 ± 2% -0.2 0.10 ± 4% perf-profile.children.cycles-pp.kmem_cache_alloc 0.28 ± 2% -0.2 0.10 ± 5% perf-profile.children.cycles-pp.remove_vma 0.26 ± 2% -0.2 0.10 ± 6% perf-profile.children.cycles-pp.native_flush_tlb_one_user 0.25 -0.2 0.09 ± 5% perf-profile.children.cycles-pp.vm_area_alloc 0.22 -0.1 0.08 ± 4% perf-profile.children.cycles-pp.vma_merge 0.20 ± 2% -0.1 0.06 perf-profile.children.cycles-pp.__mod_lruvec_page_state 0.22 ± 3% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.vma_interval_tree_insert 0.19 ± 2% -0.1 0.06 perf-profile.children.cycles-pp.follow_page_pte 0.18 ± 4% -0.1 0.05 perf-profile.children.cycles-pp.page_remove_rmap 0.19 ± 2% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.free_pgtables 0.18 ± 3% -0.1 0.07 ± 7% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.21 ± 3% -0.1 0.10 ± 5% perf-profile.children.cycles-pp.__might_resched 0.17 ± 3% -0.1 0.06 ± 9% perf-profile.children.cycles-pp.kmem_cache_free 0.18 ± 2% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.sync_mm_rss 0.17 ± 2% -0.1 0.06 perf-profile.children.cycles-pp.__entry_text_start 0.15 ± 3% -0.1 0.04 ± 44% perf-profile.children.cycles-pp.page_add_file_rmap 0.16 ± 3% -0.1 0.06 perf-profile.children.cycles-pp.__cond_resched 0.12 -0.1 0.02 ± 99% perf-profile.children.cycles-pp.follow_page_mask 0.15 ± 2% -0.1 0.06 ± 8% perf-profile.children.cycles-pp.unlink_file_vma 0.14 ± 3% -0.1 0.05 ± 7% perf-profile.children.cycles-pp.perf_iterate_sb 0.14 ± 3% -0.1 0.05 perf-profile.children.cycles-pp.down_write_killable 0.12 ± 3% -0.1 0.05 perf-profile.children.cycles-pp.folio_unlock 0.12 ± 3% -0.1 0.06 ± 9% perf-profile.children.cycles-pp.vmacache_find 0.12 ± 3% -0.1 0.06 perf-profile.children.cycles-pp._raw_spin_lock 0.12 ± 3% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.next_uptodate_page 0.14 -0.0 0.12 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.12 ± 4% -0.0 0.11 ± 10% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.12 ± 4% -0.0 0.11 ± 10% perf-profile.children.cycles-pp.hrtimer_interrupt 0.07 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.__mod_lruvec_state 0.12 ± 3% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.up_write 0.07 +0.0 0.10 ± 4% perf-profile.children.cycles-pp.__list_add_valid 0.14 ± 4% +0.1 0.20 ± 7% perf-profile.children.cycles-pp.mem_cgroup_update_lru_size 0.00 +0.1 0.10 ± 5% perf-profile.children.cycles-pp.__list_del_entry_valid 99.53 +0.3 99.81 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 99.44 +0.3 99.78 perf-profile.children.cycles-pp.do_syscall_64 46.40 +1.9 48.30 perf-profile.children.cycles-pp.mlock_page 46.21 +2.4 48.62 perf-profile.children.cycles-pp.munlock_page 91.65 +4.1 95.75 perf-profile.children.cycles-pp.folio_lruvec_lock_irq 91.44 +4.2 95.60 perf-profile.children.cycles-pp._raw_spin_lock_irq 91.09 +4.3 95.38 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 1.09 ± 2% +23.7 24.80 perf-profile.children.cycles-pp.mlock 0.88 ± 2% +23.8 24.71 perf-profile.children.cycles-pp.do_mlock 0.88 ± 2% +23.8 24.72 perf-profile.children.cycles-pp.__x64_sys_mlock 0.58 ± 2% +24.1 24.64 perf-profile.children.cycles-pp.munlock 0.36 ± 2% +24.2 24.56 perf-profile.children.cycles-pp.__x64_sys_munlock 0.74 ± 2% +48.3 49.04 perf-profile.children.cycles-pp.apply_vma_lock_flags 0.59 ± 2% +48.4 48.98 perf-profile.children.cycles-pp.mlock_fixup 0.00 +48.6 48.62 perf-profile.children.cycles-pp.mlock_pte_range 0.00 +48.7 48.68 perf-profile.children.cycles-pp.walk_p4d_range 0.00 +48.7 48.70 perf-profile.children.cycles-pp.__walk_page_range 0.00 +48.7 48.74 perf-profile.children.cycles-pp.walk_page_range 0.32 ± 2% -0.2 0.12 ± 5% perf-profile.self.cycles-pp.mmap_region 0.26 ± 2% -0.2 0.10 ± 8% perf-profile.self.cycles-pp.native_flush_tlb_one_user 0.24 ± 2% -0.1 0.10 ± 6% perf-profile.self.cycles-pp.find_vma 0.21 ± 3% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.vma_interval_tree_insert 0.37 ± 2% -0.1 0.24 ± 6% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.18 ± 2% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.syscall_return_via_sysret 0.18 ± 3% -0.1 0.07 ± 5% perf-profile.self.cycles-pp.sync_mm_rss 0.19 ± 3% -0.1 0.09 ± 5% perf-profile.self.cycles-pp.__might_resched 0.12 ± 4% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.__do_munmap 0.12 ± 3% -0.1 0.05 perf-profile.self.cycles-pp.folio_unlock 0.10 ± 3% -0.1 0.03 ± 70% perf-profile.self.cycles-pp.vmacache_find 0.22 ± 4% -0.1 0.15 ± 2% perf-profile.self.cycles-pp.folio_lruvec_lock_irq 0.11 ± 3% -0.1 0.06 ± 6% perf-profile.self.cycles-pp._raw_spin_lock 0.12 ± 3% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.next_uptodate_page 0.24 ± 3% -0.0 0.21 ± 5% perf-profile.self.cycles-pp.mlock_page 0.07 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.__list_add_valid 0.00 +0.1 0.05 perf-profile.self.cycles-pp.walk_p4d_range 0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.mlock_pte_range 0.19 ± 2% +0.1 0.25 ± 6% perf-profile.self.cycles-pp.munlock_page 0.14 ± 4% +0.1 0.20 ± 7% perf-profile.self.cycles-pp.mem_cgroup_update_lru_size 0.00 +0.1 0.10 ± 7% perf-profile.self.cycles-pp.__list_del_entry_valid 91.08 +4.3 95.38 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. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang