Richard Davies wrote: > I did manage to get a couple which were slightly worse, but nothing like as > bad as before. Here are the results: ... > # grep -F '[k]' report | head -8 > 61.29% qemu-kvm [kernel.kallsyms] [k] clear_page_c > 4.52% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock_irqsave > 2.64% qemu-kvm [kernel.kallsyms] [k] copy_page_c > 1.61% swapper [kernel.kallsyms] [k] default_idle > 1.57% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock > 1.18% qemu-kvm [kernel.kallsyms] [k] get_page_from_freelist > 1.18% qemu-kvm [kernel.kallsyms] [k] isolate_freepages_block > 1.11% qemu-kvm [kernel.kallsyms] [k] svm_vcpu_run # ======== # captured on: Fri Sep 21 08:40:48 2012 # os release : 3.6.0-rc5-elastic+ # perf version : 3.5.2 # arch : x86_64 # nrcpus online : 16 # nrcpus avail : 16 # cpudesc : AMD Opteron(tm) Processor 6128 # cpuid : AuthenticAMD,16,9,1 # total memory : 131973276 kB # cmdline : /home/root/bin/perf record -g -a # event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, id = { 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112 } # HEADER_CPU_TOPOLOGY info available, use -I to display # HEADER_NUMA_TOPOLOGY info available, use -I to display # ======== # # Samples: 914K of event 'cycles' # Event count (approx.): 328377288871 # # Overhead Command Shared Object Symbol # ........ ............. .................... .............................................. # 61.29% qemu-kvm [kernel.kallsyms] [k] clear_page_c | --- clear_page_c | |--98.26%-- do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--67.45%-- 0x10100000006 | | | --32.55%-- 0x10100000002 | --1.74%-- __alloc_pages_nodemask | |--91.69%-- alloc_pages_vma | handle_pte_fault | | | |--99.76%-- handle_mm_fault | | | | | |--99.78%-- __get_user_pages | | | get_user_page_nowait | | | hva_to_pfn.isra.17 | | | __gfn_to_pfn | | | gfn_to_pfn_async | | | try_async_pf | | | tdp_page_fault | | | kvm_mmu_page_fault | | | pf_interception | | | handle_exit | | | kvm_arch_vcpu_ioctl_run | | | kvm_vcpu_ioctl | | | do_vfs_ioctl | | | sys_ioctl | | | system_call_fastpath | | | ioctl | | | | | | | |--98.56%-- 0x10100000006 | | | | | | | --1.44%-- 0x10100000002 | | --0.22%-- [...] | --0.24%-- [...] | --8.31%-- alloc_pages_current | |--99.43%-- pte_alloc_one | | | |--97.72%-- do_huge_pmd_anonymous_page | | handle_mm_fault | | __get_user_pages | | get_user_page_nowait | | hva_to_pfn.isra.17 | | __gfn_to_pfn | | gfn_to_pfn_async | | try_async_pf | | tdp_page_fault | | kvm_mmu_page_fault | | pf_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | | | | |--56.04%-- 0x10100000006 | | | | | --43.96%-- 0x10100000002 | | | --2.28%-- __pte_alloc | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | 0x10100000006 --0.57%-- [...] 4.52% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave | |--90.15%-- compact_checklock_irqsave | | | |--99.77%-- isolate_migratepages_range | | compact_zone | | compact_zone_order | | try_to_compact_pages | | __alloc_pages_direct_compact | | __alloc_pages_nodemask | | alloc_pages_vma | | do_huge_pmd_anonymous_page | | handle_mm_fault | | __get_user_pages | | get_user_page_nowait | | hva_to_pfn.isra.17 | | __gfn_to_pfn | | gfn_to_pfn_async | | try_async_pf | | tdp_page_fault | | kvm_mmu_page_fault | | pf_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | | | | |--94.58%-- 0x10100000006 | | | | | --5.42%-- 0x10100000002 | --0.23%-- [...] | |--3.60%-- isolate_migratepages_range | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--91.30%-- 0x10100000006 | | | --8.70%-- 0x10100000002 | |--2.26%-- pagevec_lru_move_fn | __pagevec_lru_add | | | |--96.55%-- __lru_cache_add | | lru_cache_add_lru | | | | | |--96.23%-- putback_lru_page | | | | | | | |--98.46%-- migrate_pages | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | | | | | | |--91.70%-- 0x10100000006 | | | | | | | | | --8.30%-- 0x10100000002 | | | | | | | --1.54%-- putback_lru_pages | | | compact_zone | | | compact_zone_order | | | try_to_compact_pages | | | __alloc_pages_direct_compact | | | __alloc_pages_nodemask | | | alloc_pages_vma | | | do_huge_pmd_anonymous_page | | | handle_mm_fault | | | __get_user_pages | | | get_user_page_nowait | | | hva_to_pfn.isra.17 | | | __gfn_to_pfn | | | gfn_to_pfn_async | | | try_async_pf | | | tdp_page_fault | | | kvm_mmu_page_fault | | | pf_interception | | | handle_exit | | | kvm_arch_vcpu_ioctl_run | | | kvm_vcpu_ioctl | | | do_vfs_ioctl | | | sys_ioctl | | | system_call_fastpath | | | ioctl | | | 0x10100000006 | | | | | --3.77%-- page_add_new_anon_rmap | | handle_pte_fault | | handle_mm_fault | | __get_user_pages | | get_user_page_nowait | | hva_to_pfn.isra.17 | | __gfn_to_pfn | | gfn_to_pfn_async | | try_async_pf | | tdp_page_fault | | kvm_mmu_page_fault | | pf_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | | | | |--97.54%-- 0x10100000006 | | | | | --2.46%-- 0x10100000002 | | | --3.45%-- lru_add_drain_cpu | lru_add_drain | migrate_prep_local | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | 0x10100000006 | |--1.58%-- release_pages | pagevec_lru_move_fn | __pagevec_lru_add | | | |--98.25%-- __lru_cache_add | | lru_cache_add_lru | | putback_lru_page | | | | | |--99.42%-- migrate_pages | | | compact_zone | | | compact_zone_order | | | try_to_compact_pages | | | __alloc_pages_direct_compact | | | __alloc_pages_nodemask | | | alloc_pages_vma | | | do_huge_pmd_anonymous_page | | | handle_mm_fault | | | __get_user_pages | | | get_user_page_nowait | | | hva_to_pfn.isra.17 | | | __gfn_to_pfn | | | gfn_to_pfn_async | | | try_async_pf | | | tdp_page_fault | | | kvm_mmu_page_fault | | | pf_interception | | | handle_exit | | | kvm_arch_vcpu_ioctl_run | | | kvm_vcpu_ioctl | | | do_vfs_ioctl | | | sys_ioctl | | | system_call_fastpath | | | ioctl | | | | | | | |--95.23%-- 0x10100000006 | | | | | | | --4.77%-- 0x10100000002 | | | | | --0.58%-- putback_lru_pages | | compact_zone | | compact_zone_order | | try_to_compact_pages | | __alloc_pages_direct_compact | | __alloc_pages_nodemask | | alloc_pages_vma | | do_huge_pmd_anonymous_page | | handle_mm_fault | | __get_user_pages | | get_user_page_nowait | | hva_to_pfn.isra.17 | | __gfn_to_pfn | | gfn_to_pfn_async | | try_async_pf | | tdp_page_fault | | kvm_mmu_page_fault | | pf_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | 0x10100000006 | | | --1.75%-- lru_add_drain_cpu | lru_add_drain | migrate_prep_local | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--80.09%-- 0x10100000006 | | | --19.91%-- 0x10100000002 | |--0.99%-- __page_cache_release.part.11 | __put_single_page | put_page | putback_lru_page | migrate_pages | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--92.20%-- 0x10100000006 | | | --7.80%-- 0x10100000002 --1.42%-- [...] 2.64% qemu-kvm [kernel.kallsyms] [k] copy_page_c | --- copy_page_c | |--75.79%-- buffer_migrate_page | move_to_new_page | migrate_pages | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--98.86%-- 0x10100000006 | | | --1.14%-- 0x10100000002 | |--24.08%-- migrate_page | | | |--82.12%-- buffer_migrate_page | | move_to_new_page | | migrate_pages | | compact_zone | | compact_zone_order | | try_to_compact_pages | | __alloc_pages_direct_compact | | __alloc_pages_nodemask | | alloc_pages_vma | | do_huge_pmd_anonymous_page | | handle_mm_fault | | __get_user_pages | | get_user_page_nowait | | hva_to_pfn.isra.17 | | __gfn_to_pfn | | gfn_to_pfn_async | | try_async_pf | | tdp_page_fault | | kvm_mmu_page_fault | | pf_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | | | | |--98.08%-- 0x10100000006 | | | | | --1.92%-- 0x10100000002 | | | --17.88%-- move_to_new_page | migrate_pages | compact_zone | compact_zone_order | try_to_compact_pages | __alloc_pages_direct_compact | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--99.21%-- 0x10100000006 | | | --0.79%-- 0x10100000002 --0.13%-- [...] 1.61% swapper [kernel.kallsyms] [k] default_idle | --- default_idle | |--99.76%-- cpu_idle | | | |--77.77%-- start_secondary | | | --22.23%-- rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel --0.24%-- [...] 1.57% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock | --- _raw_spin_lock | |--37.29%-- tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--89.54%-- 0x10100000006 | | | --10.46%-- 0x10100000002 | |--9.09%-- kvm_mmu_load | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--59.75%-- 0x10100000006 | | | --40.25%-- 0x10100000002 | |--8.00%-- follow_page | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--98.39%-- 0x10100000006 | | | --1.61%-- 0x10100000002 | |--7.17%-- kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--94.45%-- 0x10100000006 | | | --5.55%-- 0x10100000002 | |--5.65%-- mmu_free_roots | | | |--76.51%-- nonpaging_free | | kvm_mmu_reset_context | | kvm_set_cr4 | | emulator_set_cr | | em_cr_write | | x86_emulate_insn | | x86_emulate_instruction | | emulate_on_interception | | cr_interception | | handle_exit | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call_fastpath | | ioctl | | | | | |--64.15%-- 0x10100000006 | | | | | --35.85%-- 0x10100000002 | | | --23.49%-- kvm_mmu_unload | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--73.65%-- 0x10100000006 | | | --26.35%-- 0x10100000002 | |--4.61%-- put_super | drop_super | prune_super | shrink_slab | try_to_free_pages | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--93.31%-- 0x10100000006 | | | --6.69%-- 0x10100000002 | |--4.60%-- grab_super_passive | prune_super | shrink_slab | try_to_free_pages | __alloc_pages_nodemask | alloc_pages_vma | do_huge_pmd_anonymous_page | handle_mm_fault | __get_user_pages | get_user_page_nowait | hva_to_pfn.isra.17 | __gfn_to_pfn | gfn_to_pfn_async | try_async_pf | tdp_page_fault | kvm_mmu_page_fault | pf_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--95.07%-- 0x10100000006 | | | --4.93%-- 0x10100000002 | |--3.94%-- yield_to | kvm_vcpu_yield_to | kvm_vcpu_on_spin | pause_interception | handle_exit | kvm_arch_vcpu_ioctl_run | kvm_vcpu_ioctl | do_vfs_ioctl | sys_ioctl | system_call_fastpath | ioctl | | | |--86.93%-- 0x10100000006 | | | --13.07%-- 0x10100000002 | |--3.08%-- free_pcppages_bulk | | | |--89.90%-- drain_pages | | | | | |--95.03%-- drain_local_pages | | | generic_smp_call_function_interrupt | | | smp_call_function_interrupt | | | call_function_interrupt | | | | | | | |--29.99%-- buffer_migrate_page | | | | move_to_new_page | | | | migrate_pages | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--13.18%-- kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | | | | | | |--98.30%-- 0x10100000006 | | | | | | | | | --1.70%-- 0x10100000002 | | | | | | | |--8.86%-- compact_checklock_irqsave | | | | | | | | | |--65.32%-- isolate_migratepages_range | | | | | compact_zone | | | | | compact_zone_order | | | | | try_to_compact_pages | | | | | __alloc_pages_direct_compact | | | | | __alloc_pages_nodemask | | | | | alloc_pages_vma | | | | | do_huge_pmd_anonymous_page | | | | | handle_mm_fault | | | | | __get_user_pages | | | | | get_user_page_nowait | | | | | hva_to_pfn.isra.17 | | | | | __gfn_to_pfn | | | | | gfn_to_pfn_async | | | | | try_async_pf | | | | | tdp_page_fault | | | | | kvm_mmu_page_fault | | | | | pf_interception | | | | | handle_exit | | | | | kvm_arch_vcpu_ioctl_run | | | | | kvm_vcpu_ioctl | | | | | do_vfs_ioctl | | | | | sys_ioctl | | | | | system_call_fastpath | | | | | ioctl | | | | | | | | | | | |--94.13%-- 0x10100000006 | | | | | | | | | | | --5.87%-- 0x10100000002 | | | | | | | | | --34.68%-- isolate_freepages_block | | | | compaction_alloc | | | | migrate_pages | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--8.21%-- migrate_page | | | | | | | | | |--91.65%-- buffer_migrate_page | | | | | move_to_new_page | | | | | migrate_pages | | | | | compact_zone | | | | | compact_zone_order | | | | | try_to_compact_pages | | | | | __alloc_pages_direct_compact | | | | | __alloc_pages_nodemask | | | | | alloc_pages_vma | | | | | do_huge_pmd_anonymous_page | | | | | handle_mm_fault | | | | | __get_user_pages | | | | | get_user_page_nowait | | | | | hva_to_pfn.isra.17 | | | | | __gfn_to_pfn | | | | | gfn_to_pfn_async | | | | | try_async_pf | | | | | tdp_page_fault | | | | | kvm_mmu_page_fault | | | | | pf_interception | | | | | handle_exit | | | | | kvm_arch_vcpu_ioctl_run | | | | | kvm_vcpu_ioctl | | | | | do_vfs_ioctl | | | | | sys_ioctl | | | | | system_call_fastpath | | | | | ioctl | | | | | 0x10100000006 | | | | | | | | | --8.35%-- move_to_new_page | | | | migrate_pages | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--6.16%-- do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--5.39%-- isolate_migratepages_range | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--3.59%-- compaction_alloc | | | | migrate_pages | | | | compact_zone | | | | compact_zone_order | | | | try_to_compact_pages | | | | __alloc_pages_direct_compact | | | | __alloc_pages_nodemask | | | | alloc_pages_vma | | | | do_huge_pmd_anonymous_page | | | | handle_mm_fault | | | | __get_user_pages | | | | get_user_page_nowait | | | | hva_to_pfn.isra.17 | | | | __gfn_to_pfn | | | | gfn_to_pfn_async | | | | try_async_pf | | | | tdp_page_fault | | | | kvm_mmu_page_fault | | | | pf_interception | | | | handle_exit | | | | kvm_arch_vcpu_ioctl_run | | | | kvm_vcpu_ioctl | | | | do_vfs_ioctl | | | | sys_ioctl | | | | system_call_fastpath | | | | ioctl | | | | 0x10100000006 | | | | | | | |--3.19%-- migrate_page_move_mapping.part.16 | | | | | | | | | |--89.86%-- buffer_migrate_page | | | | | move_to_new_page | | | | | migrate_pages | | | | | compact_zone | | | | | compact_zone_order | | | | | try_to_compact_pages | | | | | __alloc_pages_direct_compact | | | | | __alloc_pages_nodemask | | | | | alloc_pages_vma | | | | | do_huge_pmd_anonymous_page | | | | | handle_mm_fault | | | | | __get_user_pages | | | | | get_user_page_nowait | | | | | hva_to_pfn.isra.17 | | | | | __gfn_to_pfn | | | | | gfn_to_pfn_async | | | | | try_async_pf | | | | | tdp_page_fault | | | | | kvm_mmu_page_fault | | | | | pf_interception -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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