Hello, kernel test robot noticed a -2.9% regression of stress-ng.clone.ops_per_sec on: commit: c0bff412e67b781d761e330ff9578aa9ed2be79e ("mm: allow anon exclusive check over hugetlb tail pages") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 100% testtime: 60s test: clone 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 <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202407301049.5051dc19-oliver.sang@xxxxxxxxx Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240730/202407301049.5051dc19-oliver.sang@xxxxxxxxx ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/clone/stress-ng/60s commit: 9cb28da546 ("mm/gup: handle hugetlb in the generic follow_page_mask code") c0bff412e6 ("mm: allow anon exclusive check over hugetlb tail pages") 9cb28da54643ad46 c0bff412e67b781d761e330ff95 ---------------- --------------------------- %stddev %change %stddev \ | \ 37842 -3.4% 36554 vmstat.system.cs 0.00 ± 17% -86.4% 0.00 ±223% sched_debug.rt_rq:.rt_time.avg 0.19 ± 17% -86.4% 0.03 ±223% sched_debug.rt_rq:.rt_time.max 0.02 ± 17% -86.4% 0.00 ±223% sched_debug.rt_rq:.rt_time.stddev 24081 -3.7% 23200 proc-vmstat.nr_page_table_pages 399380 -2.3% 390288 proc-vmstat.nr_slab_reclaimable 1625589 -2.4% 1585989 proc-vmstat.nr_slab_unreclaimable 1.019e+08 -3.8% 98035999 proc-vmstat.numa_hit 1.018e+08 -3.9% 97870705 proc-vmstat.numa_local 1.092e+08 -3.8% 1.05e+08 proc-vmstat.pgalloc_normal 1.06e+08 -3.8% 1.019e+08 proc-vmstat.pgfree 2659199 -2.3% 2597978 proc-vmstat.pgreuse 2910 +3.4% 3010 stress-ng.clone.microsecs_per_clone 562874 -2.9% 546587 stress-ng.clone.ops 9298 -2.9% 9031 stress-ng.clone.ops_per_sec 686858 -2.8% 667416 stress-ng.time.involuntary_context_switches 9091031 -3.9% 8734352 stress-ng.time.minor_page_faults 4200 +2.4% 4299 stress-ng.time.percent_of_cpu_this_job_got 2543 +2.4% 2603 stress-ng.time.system_time 342849 -2.8% 333189 stress-ng.time.voluntary_context_switches 6.67 -6.1% 6.26 perf-stat.i.MPKI 6.388e+08 -5.4% 6.045e+08 perf-stat.i.cache-misses 1.558e+09 -4.6% 1.487e+09 perf-stat.i.cache-references 40791 -3.6% 39330 perf-stat.i.context-switches 353.55 +5.4% 372.76 perf-stat.i.cycles-between-cache-misses 7.95 ± 3% -6.5% 7.43 ± 3% perf-stat.i.metric.K/sec 251389 ± 3% -6.5% 235029 ± 3% perf-stat.i.minor-faults 251423 ± 3% -6.5% 235064 ± 3% perf-stat.i.page-faults 6.75 -6.1% 6.33 perf-stat.overall.MPKI 0.38 -0.0 0.37 perf-stat.overall.branch-miss-rate% 350.09 +5.8% 370.24 perf-stat.overall.cycles-between-cache-misses 68503488 -1.2% 67660585 perf-stat.ps.branch-misses 6.33e+08 -5.4% 5.987e+08 perf-stat.ps.cache-misses 1.518e+09 -4.6% 1.449e+09 perf-stat.ps.cache-references 38819 -3.3% 37542 perf-stat.ps.context-switches 3637 +1.2% 3680 perf-stat.ps.cpu-migrations 235473 ± 3% -6.3% 220601 ± 3% perf-stat.ps.minor-faults 235504 ± 3% -6.3% 220632 ± 3% perf-stat.ps.page-faults 45.55 -2.5 43.04 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput 44.86 -2.5 42.37 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap 44.42 -2.1 42.37 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 44.42 -2.1 42.37 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 44.41 -2.1 42.36 perf-profile.calltrace.cycles-pp.__x64_sys_exit.do_syscall_64.entry_SYSCALL_64_after_hwframe 44.41 -2.1 42.36 perf-profile.calltrace.cycles-pp.do_exit.__x64_sys_exit.do_syscall_64.entry_SYSCALL_64_after_hwframe 39.08 -1.7 37.34 perf-profile.calltrace.cycles-pp.exit_mm.do_exit.__x64_sys_exit.do_syscall_64.entry_SYSCALL_64_after_hwframe 38.96 -1.7 37.22 perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.__x64_sys_exit 38.97 -1.7 37.24 perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.__x64_sys_exit.do_syscall_64 36.16 -1.6 34.57 perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit 35.99 -1.6 34.40 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm 32.17 -1.5 30.62 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 12.49 -1.0 11.52 perf-profile.calltrace.cycles-pp._compound_head.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range 9.66 -0.9 8.74 perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.copy_process.kernel_clone 9.61 -0.9 8.69 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.copy_process 10.71 -0.9 9.84 perf-profile.calltrace.cycles-pp.__mmput.copy_process.kernel_clone.__do_sys_clone3.do_syscall_64 10.70 -0.9 9.84 perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.copy_process.kernel_clone.__do_sys_clone3 10.41 -0.8 9.58 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range 10.42 -0.8 9.59 perf-profile.calltrace.cycles-pp.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 10.21 -0.8 9.40 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range 5.47 -0.4 5.04 perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range 1.11 -0.3 0.79 ± 33% perf-profile.calltrace.cycles-pp.anon_vma_interval_tree_insert.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm 14.18 -0.3 13.87 perf-profile.calltrace.cycles-pp.folio_remove_rmap_ptes.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range 5.17 -0.3 4.86 perf-profile.calltrace.cycles-pp.put_files_struct.do_exit.__x64_sys_exit.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.80 -0.3 4.53 perf-profile.calltrace.cycles-pp.filp_close.put_files_struct.do_exit.__x64_sys_exit.do_syscall_64 4.40 -0.3 4.14 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.put_files_struct.do_exit.__x64_sys_exit 2.74 -0.2 2.58 perf-profile.calltrace.cycles-pp.anon_vma_fork.dup_mmap.dup_mm.copy_process.kernel_clone 2.25 -0.1 2.11 perf-profile.calltrace.cycles-pp.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm.copy_process 1.47 -0.1 1.34 perf-profile.calltrace.cycles-pp.put_files_struct.copy_process.kernel_clone.__do_sys_clone3.do_syscall_64 1.87 -0.1 1.76 perf-profile.calltrace.cycles-pp.dnotify_flush.filp_flush.filp_close.put_files_struct.do_exit 1.98 -0.1 1.88 perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit 1.28 -0.1 1.18 perf-profile.calltrace.cycles-pp.filp_close.put_files_struct.copy_process.kernel_clone.__do_sys_clone3 1.19 -0.1 1.09 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.put_files_struct.copy_process.kernel_clone 1.31 ± 2% -0.1 1.25 perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput.exit_mm 0.58 -0.0 0.55 perf-profile.calltrace.cycles-pp.vm_normal_page.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range 33.54 +0.6 34.10 perf-profile.calltrace.cycles-pp.syscall 33.45 +0.6 34.01 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 33.45 +0.6 34.01 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall 33.35 +0.6 33.90 perf-profile.calltrace.cycles-pp.__do_sys_clone3.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 33.34 +0.6 33.90 perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone3.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 33.30 +0.6 33.86 perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone3.do_syscall_64.entry_SYSCALL_64_after_hwframe 20.63 +1.6 22.21 perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone3.do_syscall_64 20.55 +1.6 22.14 perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone3 19.40 +1.8 21.19 perf-profile.calltrace.cycles-pp.__clone 19.24 +1.8 21.04 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__clone 19.24 +1.8 21.04 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__clone 19.14 +1.8 20.94 perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe.__clone 19.14 +1.8 20.94 perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe.__clone 19.05 +1.8 20.85 perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe 18.74 +1.8 20.56 perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64 18.67 +1.8 20.49 perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone 12.24 +3.1 15.35 perf-profile.calltrace.cycles-pp._compound_head.copy_present_ptes.copy_pte_range.copy_p4d_range.copy_page_range 34.37 +3.7 38.02 perf-profile.calltrace.cycles-pp.copy_page_range.dup_mmap.dup_mm.copy_process.kernel_clone 34.34 +3.7 38.00 perf-profile.calltrace.cycles-pp.copy_p4d_range.copy_page_range.dup_mmap.dup_mm.copy_process 30.99 +3.7 34.69 perf-profile.calltrace.cycles-pp.copy_present_ptes.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap 33.16 +3.7 36.88 perf-profile.calltrace.cycles-pp.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap.dup_mm 0.00 +3.9 3.90 perf-profile.calltrace.cycles-pp.folio_try_dup_anon_rmap_ptes.copy_present_ptes.copy_pte_range.copy_p4d_range.copy_page_range 49.67 -2.6 47.07 perf-profile.children.cycles-pp.exit_mmap 49.69 -2.6 47.08 perf-profile.children.cycles-pp.__mmput 45.84 -2.5 43.32 perf-profile.children.cycles-pp.unmap_vmas 45.56 -2.5 43.05 perf-profile.children.cycles-pp.zap_pmd_range 45.61 -2.5 43.10 perf-profile.children.cycles-pp.unmap_page_range 44.98 -2.5 42.48 perf-profile.children.cycles-pp.zap_pte_range 44.53 -2.1 42.48 perf-profile.children.cycles-pp.__x64_sys_exit 44.54 -2.1 42.48 perf-profile.children.cycles-pp.do_exit 39.10 -1.7 37.36 perf-profile.children.cycles-pp.exit_mm 32.99 -1.6 31.41 perf-profile.children.cycles-pp.zap_present_ptes 10.53 -0.8 9.71 perf-profile.children.cycles-pp.tlb_flush_mmu 10.91 -0.7 10.19 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 10.88 -0.7 10.16 perf-profile.children.cycles-pp.free_pages_and_swap_cache 6.64 -0.4 6.22 perf-profile.children.cycles-pp.put_files_struct 5.76 -0.4 5.38 perf-profile.children.cycles-pp.folios_put_refs 6.11 -0.4 5.73 perf-profile.children.cycles-pp.filp_close 5.62 -0.4 5.25 perf-profile.children.cycles-pp.filp_flush 14.28 -0.3 13.97 perf-profile.children.cycles-pp.folio_remove_rmap_ptes 2.75 -0.2 2.58 perf-profile.children.cycles-pp.anon_vma_fork 2.38 -0.2 2.22 perf-profile.children.cycles-pp.dnotify_flush 2.50 -0.1 2.36 perf-profile.children.cycles-pp.free_pgtables 2.25 -0.1 2.11 perf-profile.children.cycles-pp.anon_vma_clone 0.20 ± 33% -0.1 0.08 ± 58% perf-profile.children.cycles-pp.ordered_events__queue 0.20 ± 33% -0.1 0.08 ± 58% perf-profile.children.cycles-pp.queue_event 1.24 ± 4% -0.1 1.14 perf-profile.children.cycles-pp.down_write 1.67 ± 2% -0.1 1.58 perf-profile.children.cycles-pp.unlink_anon_vmas 1.59 -0.1 1.50 perf-profile.children.cycles-pp.__alloc_pages_noprof 1.55 -0.1 1.46 perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 1.58 -0.1 1.50 perf-profile.children.cycles-pp.vm_normal_page 1.11 -0.1 1.04 perf-profile.children.cycles-pp.anon_vma_interval_tree_insert 1.33 -0.1 1.26 ± 2% perf-profile.children.cycles-pp.pte_alloc_one 0.47 ± 11% -0.1 0.40 ± 4% perf-profile.children.cycles-pp.rwsem_down_write_slowpath 0.45 ± 11% -0.1 0.38 ± 4% perf-profile.children.cycles-pp.rwsem_optimistic_spin 1.00 -0.1 0.94 ± 2% perf-profile.children.cycles-pp.get_page_from_freelist 1.36 -0.1 1.31 perf-profile.children.cycles-pp.kmem_cache_free 1.08 -0.0 1.04 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.62 -0.0 0.58 ± 2% perf-profile.children.cycles-pp.dup_fd 0.63 -0.0 0.59 ± 3% perf-profile.children.cycles-pp.__pte_alloc 0.73 -0.0 0.69 perf-profile.children.cycles-pp.__tlb_remove_folio_pages_size 0.58 -0.0 0.54 perf-profile.children.cycles-pp.locks_remove_posix 0.90 -0.0 0.86 perf-profile.children.cycles-pp.copy_huge_pmd 0.54 -0.0 0.51 perf-profile.children.cycles-pp.__memcg_kmem_charge_page 0.76 -0.0 0.72 perf-profile.children.cycles-pp.vm_area_dup 0.31 ± 2% -0.0 0.28 ± 3% perf-profile.children.cycles-pp.rwsem_spin_on_owner 0.50 -0.0 0.47 perf-profile.children.cycles-pp.__anon_vma_interval_tree_remove 0.53 -0.0 0.50 perf-profile.children.cycles-pp.clear_page_erms 0.49 -0.0 0.46 perf-profile.children.cycles-pp.free_swap_cache 0.72 -0.0 0.69 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.37 ± 2% -0.0 0.34 ± 2% perf-profile.children.cycles-pp.unlink_file_vma 0.62 -0.0 0.60 perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.42 -0.0 0.40 ± 2% perf-profile.children.cycles-pp.rmqueue 0.37 -0.0 0.35 ± 2% perf-profile.children.cycles-pp.__rmqueue_pcplist 0.28 -0.0 0.25 perf-profile.children.cycles-pp.__rb_insert_augmented 0.35 -0.0 0.33 ± 2% perf-profile.children.cycles-pp.rmqueue_bulk 0.56 -0.0 0.54 perf-profile.children.cycles-pp.fput 0.48 -0.0 0.46 perf-profile.children.cycles-pp._raw_spin_lock 0.51 -0.0 0.50 perf-profile.children.cycles-pp.free_unref_page 0.45 -0.0 0.43 perf-profile.children.cycles-pp.__x64_sys_unshare 0.44 -0.0 0.42 perf-profile.children.cycles-pp.free_unref_page_commit 0.45 -0.0 0.43 perf-profile.children.cycles-pp.ksys_unshare 0.31 -0.0 0.30 perf-profile.children.cycles-pp.memcg_account_kmem 0.27 -0.0 0.26 perf-profile.children.cycles-pp.__mod_memcg_state 0.44 -0.0 0.43 perf-profile.children.cycles-pp.__slab_free 0.28 -0.0 0.26 perf-profile.children.cycles-pp.__vm_area_free 0.22 ± 2% -0.0 0.21 perf-profile.children.cycles-pp.___slab_alloc 0.21 -0.0 0.20 ± 2% perf-profile.children.cycles-pp.__tlb_remove_folio_pages 0.13 -0.0 0.12 perf-profile.children.cycles-pp.__rb_erase_color 0.07 -0.0 0.06 perf-profile.children.cycles-pp.find_idlest_cpu 0.09 -0.0 0.08 perf-profile.children.cycles-pp.wake_up_new_task 0.06 -0.0 0.05 perf-profile.children.cycles-pp.kfree 0.06 -0.0 0.05 perf-profile.children.cycles-pp.update_sg_wakeup_stats 0.11 -0.0 0.10 perf-profile.children.cycles-pp.allocate_slab 0.44 ± 2% +0.1 0.53 ± 2% perf-profile.children.cycles-pp.tlb_finish_mmu 98.24 +0.2 98.46 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 98.24 +0.2 98.46 perf-profile.children.cycles-pp.do_syscall_64 33.55 +0.6 34.10 perf-profile.children.cycles-pp.syscall 33.35 +0.6 33.90 perf-profile.children.cycles-pp.__do_sys_clone3 19.41 +1.8 21.20 perf-profile.children.cycles-pp.__clone 19.14 +1.8 20.94 perf-profile.children.cycles-pp.__do_sys_clone 24.94 +2.1 27.07 perf-profile.children.cycles-pp._compound_head 52.48 +2.4 54.84 perf-profile.children.cycles-pp.kernel_clone 52.36 +2.4 54.72 perf-profile.children.cycles-pp.copy_process 39.38 +3.4 42.77 perf-profile.children.cycles-pp.dup_mm 39.24 +3.4 42.64 perf-profile.children.cycles-pp.dup_mmap 34.34 +3.7 38.00 perf-profile.children.cycles-pp.copy_p4d_range 34.37 +3.7 38.03 perf-profile.children.cycles-pp.copy_page_range 33.28 +3.7 36.98 perf-profile.children.cycles-pp.copy_pte_range 31.41 +3.8 35.18 perf-profile.children.cycles-pp.copy_present_ptes 0.00 +4.0 4.01 perf-profile.children.cycles-pp.folio_try_dup_anon_rmap_ptes 18.44 -3.2 15.24 perf-profile.self.cycles-pp.copy_present_ptes 5.66 -0.4 5.28 perf-profile.self.cycles-pp.folios_put_refs 4.78 -0.3 4.46 perf-profile.self.cycles-pp.free_pages_and_swap_cache 14.11 -0.3 13.80 perf-profile.self.cycles-pp.folio_remove_rmap_ptes 4.82 -0.2 4.59 perf-profile.self.cycles-pp.zap_present_ptes 2.66 -0.2 2.49 perf-profile.self.cycles-pp.filp_flush 2.36 -0.2 2.20 perf-profile.self.cycles-pp.dnotify_flush 0.20 ± 32% -0.1 0.08 ± 58% perf-profile.self.cycles-pp.queue_event 1.44 -0.1 1.36 perf-profile.self.cycles-pp.zap_pte_range 1.11 -0.1 1.03 perf-profile.self.cycles-pp.anon_vma_interval_tree_insert 1.26 -0.1 1.20 perf-profile.self.cycles-pp.vm_normal_page 0.56 -0.0 0.52 ± 2% perf-profile.self.cycles-pp.dup_fd 0.56 -0.0 0.53 perf-profile.self.cycles-pp.locks_remove_posix 0.31 -0.0 0.28 perf-profile.self.cycles-pp.put_files_struct 0.58 -0.0 0.55 perf-profile.self.cycles-pp.__tlb_remove_folio_pages_size 0.49 -0.0 0.46 ± 2% perf-profile.self.cycles-pp.__anon_vma_interval_tree_remove 0.30 ± 3% -0.0 0.28 ± 3% perf-profile.self.cycles-pp.rwsem_spin_on_owner 0.52 -0.0 0.49 ± 2% perf-profile.self.cycles-pp.clear_page_erms 0.31 -0.0 0.29 perf-profile.self.cycles-pp.free_swap_cache 0.33 -0.0 0.31 perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.45 -0.0 0.43 perf-profile.self.cycles-pp._raw_spin_lock 0.55 -0.0 0.53 perf-profile.self.cycles-pp.fput 0.38 -0.0 0.36 perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.47 -0.0 0.45 perf-profile.self.cycles-pp.up_write 0.26 -0.0 0.24 perf-profile.self.cycles-pp.__rb_insert_augmented 0.33 -0.0 0.32 perf-profile.self.cycles-pp.mod_objcg_state 0.31 -0.0 0.30 perf-profile.self.cycles-pp.__free_one_page 0.09 -0.0 0.08 perf-profile.self.cycles-pp.___slab_alloc 24.40 +2.1 26.55 perf-profile.self.cycles-pp._compound_head 0.00 +3.9 3.89 perf-profile.self.cycles-pp.folio_try_dup_anon_rmap_ptes 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