Richard Davies wrote:
> Here is a typical test with these patches:
>
> # grep -F '[k]' report | head -8
> 65.20% qemu-kvm [kernel.kallsyms] [k] clear_page_c
> 2.18% qemu-kvm [kernel.kallsyms] [k] isolate_freepages_block
> 1.56% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock
> 1.40% qemu-kvm [kernel.kallsyms] [k] svm_vcpu_run
> 1.38% swapper [kernel.kallsyms] [k] default_idle
> 1.35% qemu-kvm [kernel.kallsyms] [k] get_page_from_freelist
> 0.74% ksmd [kernel.kallsyms] [k] memcmp
> 0.72% qemu-kvm [kernel.kallsyms] [k] free_pages_prepare
# ========
# captured on: Fri Sep 21 08:29:36 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 = { 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 837K of event 'cycles'
# Event count (approx.): 290328521160
#
# Overhead Command Shared Object Symbol
# ........ ............... .................... ..........................................
#
65.20% qemu-kvm [kernel.kallsyms] [k] clear_page_c
|
--- clear_page_c
|
|--98.02%-- 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
| |
| |--56.65%-- 0x10100000002
| |
| |--43.35%-- 0x10100000006
| --0.00%-- [...]
|
--1.98%-- __alloc_pages_nodemask
|
|--91.16%-- alloc_pages_vma
| handle_pte_fault
| |
| |--99.74%-- handle_mm_fault
| | |
| | |--99.93%-- __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
| | | |
| | | |--86.42%-- 0x10100000006
| | | |
| | | --13.58%-- 0x10100000002
| | --0.07%-- [...]
| --0.26%-- [...]
|
--8.84%-- alloc_pages_current
|
|--99.73%-- pte_alloc_one
| |
| |--97.60%-- 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
| | |
| | |--60.84%-- 0x10100000002
| | |
| | --39.16%-- 0x10100000006
| |
| --2.40%-- __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
--0.27%-- [...]
2.18% qemu-kvm [kernel.kallsyms] [k] isolate_freepages_block
|
--- 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
|
|--92.03%-- 0x10100000006
|
--7.97%-- 0x10100000002
1.58% qemu-kvm qemu-kvm [.] 0x000000000015b95b
|
|--2.54%-- 0x652b11
|
|--2.19%-- 0x55b9ba
| |
| --100.00%-- 0x0
|
|--2.04%-- 0x56b990
| |
| |--71.82%-- 0x100000008
| |
| |--25.52%-- 0xfed00000
| | |
| | --100.00%-- 0x0
| |
| |--2.11%-- 0xfee00000
| |
| --0.55%-- 0x100000009
|
|--0.95%-- 0x5ac46a
| |
| |--89.44%-- 0x10100000002
| |
| --10.56%-- 0x10100000006
|
|--0.75%-- 0x5ad00b
| |
| |--93.06%-- 0x10100000002
| |
| --6.94%-- 0x10100000006
|
|--0.73%-- 0x56b999
| |
| |--68.98%-- 0x100000008
| |
| |--29.58%-- 0xfed00000
| | |
| | --100.00%-- 0x0
| |
| --1.43%-- 0xfee00000
|
|--0.73%-- 0x664a8f
| 0x6e6f6d
|
|--0.70%-- 0x5acf38
| |
| |--78.42%-- 0x10100000002
| |
| |--20.00%-- 0x10100000006
| |
| --1.58%-- 0x0
|
|--0.65%-- 0x458de4
| |
| |--33.45%-- 0x2f1a310
| | 0x0
| |
| |--27.60%-- 0x3014310
| | 0x0
| |
| |--23.23%-- 0x2b1b310
| | 0x0
| |
| |--5.04%-- 0x0
| |
| |--2.08%-- 0x840f01fa8338578b
| |
| |--1.68%-- 0x2f1f450
| | 0x0
| |
| |--1.27%-- 0x80d504c748000000
| |
| |--1.12%-- 0x78840ff685450040
| |
| |--1.05%-- 0x48ffef5b8ae8c031
| |
| |--0.92%-- 0x3cd5cc05c70000
| |
| |--0.88%-- 0x200bd7e0f05
| |
| |--0.88%-- 0x1dc0be00791856ba
| |
| --0.79%-- 0x485390fff4d921e8
|
|--0.63%-- 0x664a82
| |
| |--95.74%-- 0x6e6f6d
| |
| --4.26%-- 0x2540627568006563
|
|--0.63%-- 0x664a85
| 0x6e6f6d
|
|--0.51%-- 0x594ce4
| |
| |--45.13%-- 0x2b1b310
| | 0x0
| |
| |--24.91%-- 0x3014310
| | 0x0
| |
| |--24.18%-- 0x2f1a310
| | 0x0
| |
| |--1.73%-- 0x0
| |
| |--1.64%-- 0x7000000
| | 0x2a1e3c0
| |
| |--1.43%-- 0x75005a6a2f053348
| |
| --0.97%-- 0x440f4c1045894908
|
|--0.51%-- 0x52fb44
| |
| |--56.61%-- 0x10100000002
| |
| |--34.56%-- 0x0
| | |
| | --100.00%-- 0x2f3e590
| |
| --8.83%-- 0x10100000006
--86.43%-- [...]
1.56% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock
|
--- _raw_spin_lock
|
|--41.47%-- 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
| |
| |--76.14%-- 0x10100000006
| |
| --23.86%-- 0x10100000002
|
|--11.06%-- kvm_mmu_load
| kvm_arch_vcpu_ioctl_run
| kvm_vcpu_ioctl
| do_vfs_ioctl
| sys_ioctl
| system_call_fastpath
| ioctl
| |
| |--53.21%-- 0x10100000002
| |
| --46.79%-- 0x10100000006
|
|--7.91%-- 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
| |
| |--86.50%-- 0x10100000006
| |
| --13.50%-- 0x10100000002
|
|--6.97%-- mmu_free_roots
| |
| |--76.89%-- 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
| | |
| | |--50.62%-- 0x10100000006
| | |
| | --49.38%-- 0x10100000002
| |
| --23.11%-- kvm_mmu_unload
| kvm_arch_vcpu_ioctl_run
| kvm_vcpu_ioctl
| do_vfs_ioctl
| sys_ioctl
| system_call_fastpath
| ioctl
| |
| |--52.88%-- 0x10100000002
| |
| --47.12%-- 0x10100000006
|
|--6.91%-- 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
| |
| |--82.74%-- 0x10100000006
| |
| --17.26%-- 0x10100000002
|
|--3.62%-- 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
| |
| |--54.40%-- 0x10100000006
| |
| --45.60%-- 0x10100000002
|
|--2.15%-- kvm_arch_vcpu_ioctl_run
| kvm_vcpu_ioctl
| do_vfs_ioctl
| sys_ioctl
| system_call_fastpath
| ioctl
| |
| |--61.48%-- 0x10100000002
| |
| --38.52%-- 0x10100000006
|
|--1.99%-- 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
| |
| |--86.97%-- 0x10100000006
| |
| --13.03%-- 0x10100000002
|
|--1.95%-- 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
| |
| |--86.46%-- 0x10100000006
| |
| --13.54%-- 0x10100000002
|
|--1.93%-- __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
| |
| |--84.17%-- 0x10100000006
| |
| --15.83%-- 0x10100000002
|
|--1.78%-- 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
| |
| |--83.19%-- 0x10100000006
| |
| --16.81%-- 0x10100000002
|
|--1.33%-- free_pcppages_bulk
| |
| |--83.72%-- drain_pages
| | |
| | |--99.41%-- drain_local_pages
| | | generic_smp_call_function_interrupt
| | | smp_call_function_interrupt
| | | call_function_interrupt
| | | |
| | | |--42.28%-- kvm_vcpu_ioctl
| | | | do_vfs_ioctl
| | | | sys_ioctl
| | | | system_call_fastpath
| | | | ioctl
| | | | |
| | | | |--83.98%-- 0x10100000006
| | | | |
| | | | --16.02%-- 0x10100000002
| | | |
| | | |--8.49%-- __alloc_pages_nodemask
| | | | alloc_pages_vma
| | | | 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
| | | | |
| | | | |--80.36%-- 0x10100000006
| | | | |
| | | | --19.64%-- 0x10100000002
| | | |
| | | |--6.53%-- __remove_mapping
| | | | shrink_page_list
| | | | shrink_inactive_list
| | | | shrink_lruvec
| | | | 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
| | | | 0x10100000006
| | | |
| | | |--6.20%-- 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
| | | | |
| | | | |--83.97%-- 0x10100000006
| | | | |
| | | | --16.03%-- 0x10100000002
| | | |
| | | |--5.34%-- __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
| | | | |
| | | | |--79.01%-- 0x10100000006
| | | | |
| | | | --20.99%-- 0x10100000002
| | | |
| | | |--3.98%-- compact_checklock_irqsave
| | | | 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
| | | |
| | | |--3.48%-- 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
| | | | |
| | | | |--83.45%-- 0x10100000006
| | | | |
| | | | --16.55%-- 0x10100000002
| | | |
| | | |--2.91%-- 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
| | | | |
| | | | |--79.66%-- 0x10100000006
| | | | |
| | | | --20.34%-- 0x10100000002
| | | |
| | | |--2.85%-- 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
| | | |
| | | |--2.45%-- 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
| | | | |
| | | | |--59.53%-- 0x10100000006
| | | | |
| | | | --40.47%-- 0x10100000002
| | | |
| | | |--2.14%-- 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
| | | | 0x10100000006
| | | |
| | | |--1.15%-- 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
| | | |
| | | |--0.99%-- 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
| | | | 0x10100000006
| | | |
| | | |--0.98%-- timer_gettime
| | | |
| | | |--0.97%-- native_flush_tlb_others
| | | | flush_tlb_page
| | | | ptep_clear_flush_young
| | | | page_referenced_one
| | | | page_referenced
| | | | shrink_active_list
| | | | shrink_lruvec
| | | | 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
| | | | 0x10100000006
| | | |
| | | |--0.97%-- try_to_free_buffers
| | | | jbd2_journal_try_to_free_buffers
| | | | ext4_releasepage
| | | | try_to_release_page
| | | | shrink_page_list
| | | | shrink_inactive_list
| | | | shrink_lruvec
| | | | 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
| | | | 0x10100000006
| | | |
| | | |--0.86%-- shrink_inactive_list
| | | | shrink_lruvec
| | | | 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
| | | | 0x10100000006
| | | |
| | | |--0.86%-- __mutex_lock_slowpath
| | | | mutex_lock
| | | | page_lock_anon_vma
| | | | page_referenced
| | | | shrink_active_list
| | | | shrink_lruvec
| | | | 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
| | | | 0x10100000002
| | | |
| | | |--0.83%-- kvm_arch_vcpu_ioctl_run
| | | | kvm_vcpu_ioctl
| | | | do_vfs_ioctl
| | | | sys_ioctl
| | | | system_call_fastpath
| | | | ioctl
| | | | 0x10100000006
| | | |
| | | |--0.62%-- __direct_map.isra.103
| | | | 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
| | | |
| | | |--0.61%-- gfn_to_hva
| | | | __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
| | | |
| | | |--0.60%-- mmu_set_spte.isra.100
| | | | __direct_map.isra.103
| | | | 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
| | | |
| | | |--0.59%-- mmu_spte_update
| | | | set_spte
| | | | mmu_set_spte.isra.100
| | | | __direct_map.isra.103
| | | | 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
| | | |
| | | |--0.59%-- kvm_vcpu_on_spin
--
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