|
| From: | Richard Davies |
| Subject: | Re: [Qemu-devel] [PATCH 0/6] Reduce compaction scanning and lock contention |
| Date: | Fri, 21 Sep 2012 10:17:01 +0100 |
| User-agent: | Mutt/1.5.20 (2009-06-14) |
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
> 45.60% qemu-kvm [kernel.kallsyms] [k] clear_page_c
> 11.26% qemu-kvm [kernel.kallsyms] [k] isolate_freepages_block
> 3.21% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock
> 2.27% ksmd [kernel.kallsyms] [k] memcmp
> 2.02% swapper [kernel.kallsyms] [k] default_idle
> 1.58% qemu-kvm [kernel.kallsyms] [k] svm_vcpu_run
> 1.30% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock_irqsave
> 1.09% qemu-kvm [kernel.kallsyms] [k] get_page_from_freelist
# ========
# captured on: Fri Sep 21 08:17:52 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 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 283K of event 'cycles'
# Event count (approx.): 109057976176
#
# Overhead Command Shared Object
Symbol
# ........ ............. ....................
..............................................
#
45.60% qemu-kvm [kernel.kallsyms] [k] clear_page_c
|
--- clear_page_c
|
|--93.35%-- 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
| |
| |--91.13%-- 0x10100000006
| |
| --8.87%-- 0x10100000002
|
--6.65%-- __alloc_pages_nodemask
|
|--98.71%-- alloc_pages_vma
| handle_pte_fault
| |
| |--99.78%-- 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
| | |
| | |--98.94%-- 0x10100000006
| | |
| | --1.06%-- 0x10100000002
| --0.22%-- [...]
|
--1.29%-- alloc_pages_current
pte_alloc_one
|
|--80.44%-- 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
| |
| |--89.97%-- 0x10100000006
| |
| --10.03%-- 0x10100000002
|
--19.56%-- __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
11.26% 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
|
|--96.34%-- 0x10100000006
|
--3.66%-- 0x10100000002
3.21% qemu-kvm [kernel.kallsyms] [k] _raw_spin_lock
|
--- _raw_spin_lock
|
|--39.96%-- 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
| |
| |--99.27%-- 0x10100000006
| |
| --0.73%-- 0x10100000002
|
|--8.69%-- 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
| |
| |--98.41%-- 0x10100000006
| |
| --1.59%-- 0x10100000002
|
|--8.12%-- 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
| |
| |--99.54%-- 0x10100000006
| --0.46%-- [...]
|
|--7.52%-- kvm_mmu_load
| kvm_arch_vcpu_ioctl_run
| kvm_vcpu_ioctl
| do_vfs_ioctl
| sys_ioctl
| system_call_fastpath
| ioctl
| |
| |--99.16%-- 0x10100000006
| |
| --0.84%-- 0x10100000002
|
|--7.42%-- 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
| |
| |--93.29%-- 0x10100000006
| |
| --6.71%-- 0x10100000002
|
|--7.14%-- 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
| |
| |--94.13%-- 0x10100000006
| |
| --5.87%-- 0x10100000002
|
|--5.17%-- mmu_free_roots
| 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
| |
| |--99.48%-- 0x10100000006
| |
| --0.52%-- 0x10100000002
|
|--2.82%-- 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
| |
| |--94.58%-- 0x10100000006
| |
| --5.42%-- 0x10100000002
|
|--2.00%-- __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
| |
| |--99.46%-- 0x10100000006
| |
| --0.54%-- 0x10100000002
|
|--1.69%-- free_pcppages_bulk
| |
| |--77.53%-- drain_pages
| | |
| | |--95.77%-- drain_local_pages
| | | |
| | | |--97.90%--
generic_smp_call_function_interrupt
| | | |
smp_call_function_interrupt
| | | |
call_function_interrupt
| | | | |
| | | | |--23.37%--
kvm_vcpu_ioctl
| | | | |
do_vfs_ioctl
| | | | |
sys_ioctl
| | | | |
system_call_fastpath
| | | | | ioctl
| | | | | |
| | | | |
|--97.22%-- 0x10100000006
| | | | | |
| | | | |
--2.78%-- 0x10100000002
| | | | |
| | | | |--17.80%--
__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
| | | | | |
| | | | |
|--93.60%-- 0x10100000006
| | | | | |
| | | | |
--6.40%-- 0x10100000002
| | | | |
| | | | |--8.81%--
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
| | | | |
| | | | |--5.95%--
__alloc_pages_nodemask
| | | | |
alloc_pages_vma
| | | | | |
| | | | |
|--80.66%-- 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
| | | | | |
0x10100000006
| | | | | |
| | | | |
--19.34%-- 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
| | | | |
| | | | |--4.38%--
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
| | | | |
| | | | |--4.00%--
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
| | | | |
| | | | |--3.37%--
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
| | | | |
| | | | |--3.33%--
free_hot_cold_page_list
| | | | |
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
| | | | |
| | | | |--2.31%--
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
| | | | |
| | | | |--2.22%--
compact_checklock_irqsave
| | | | |
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
| | | | |
| | | | |--2.19%--
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
| | | | |
| | | | |--2.02%--
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
| | | | | |
| | | | |
|--55.61%-- 0x10100000002
| | | | | |
| | | | |
--44.39%-- 0x10100000006
| | | | |
| | | | |--1.42%--
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
| | | | |
| | | | |--1.16%--
on_each_cpu_mask
| | | | |
drain_all_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
| | | | |
| | | | |--1.16%--
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
| | | | |
| | | | |--1.15%--
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
| | | | |
| | | | |--1.15%--
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
| | | | |
0x10100000006
| | | | |
| | | | |--1.15%--
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
| | | | |
0x10100000006
| | | | |
| | | | |--1.14%--
finish_task_switch
| | | | |
__schedule
| | | | |
schedule
| | | | |
schedule_preempt_disabled
| | | | |
__mutex_lock_slowpath
| | | | |
mutex_lock
| | | | |
rmap_walk
| | | | |
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
| | | | |
| | | | |--1.13%--
smp_call_function_many
| | | | |
native_flush_tlb_others
| | | | |
flush_tlb_page
| | | | |
ptep_clear_flush
| | | | |
try_to_unmap_one
| | | | |
try_to_unmap_anon
| | | | |
try_to_unmap
| | | | |
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
| | | | |
| | | | |--1.13%--
release_pages
| | | | |
pagevec_lru_move_fn
| | | | |
__pagevec_lru_add
| | | | |
__lru_cache_add
| | | | |
lru_cache_add_lru
| | | | |
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
| | | | |
| | | | |--1.10%--
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
| | | | |
| | | | |--1.09%--
free_hot_cold_page
| | | | |
free_hot_cold_page_list
| | | | |
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
| | | | |
| | | | |--0.98%--
kvm_host_page_size
| | | | |
mapping_level.isra.88
| | | | |
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
| | | | |
| | | | |--0.94%--
pagevec_lru_move_fn
| | | | |
__pagevec_lru_add
| | | | |
__lru_cache_add
| | | | |
lru_cache_add_lru
| | | | |
page_add_new_anon_rmap
| | | | |
handle_pte_fault
| | | | |
handle_mm_fault
| | | | |
__get_user_pages
| | | | |
get_user_page_nowait
| | | | |
hva_to_pfn.isra.17
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