hi, Jeff,
On Mon, Aug 19, 2024 at 09:38:19AM +0800, Oliver Sang wrote:
> hi, Jeff,
>
> On Sun, Aug 18, 2024 at 05:28:41PM +0800, Oliver Sang wrote:
> > hi, Jeff,
> >
> > On Thu, Aug 15, 2024 at 07:58:57PM -0700, Jeff Xu wrote:
> > > Hi Oliver
> >
> > [...]
> >
> > > > could you exlictly point to two commit-id?
> > > sure
> > >
> > > this patch
> > > 8be7258a: mseal: add mseal syscall
> > > ff388fe5c: mseal: wire up mseal syscall
> >
> > I failed to apply this patch set to "8be7258a: mseal: add mseal syscall"
>
> look your patch set again
> [PATCH v1 1/2] mseal:selftest mremap across VMA boundaries
> just for kselftests
>
> and I can apply
> [PATCH v1 2/2] mseal: refactor mremap to remove can_modify_mm
> upon "8be7258a: mseal: add mseal syscall" cleanly
>
> so I will start test for this [PATCH v1 2/2]
>
> BTW, I will firstly use our default setting - "60s testtime; reboot between
> each
> run; run 10 times", since we've already have the data for 8be7258a and
> ff388fe5c
> then we could give you an update kind of quickly.
>
> as some private mail discussed, you want some special run method, could you
> elaborate them here? thanks
here is a quick update before you give us more details about special run method.
by our default run method (60s testtime; reboot between each run; run 10 times),
your "[PATCH v1 2/2] mseal: refactor mremap to remove can_modify_mm" could
resolve regression partically.
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-12/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp7/pagemove/stress-ng/60s
commit:
ff388fe5c4 ("mseal: wire up mseal syscall")
8be7258aad ("mseal: add mseal syscall")
2a78ece39f <-- your "[PATCH v1 2/2] mseal: refactor mremap to remove
can_modify_mm"
ff388fe5c481d39c 8be7258aad44b5e25977a98db13 2a78ece39f13ea6f3f9679a6c66
---------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
4957 +1.3% 5023 +1.0% 5008
time.percent_of_cpu_this_job_got
2915 +1.5% 2959 +1.2% 2949
time.system_time
65.96 -7.3% 61.16 -5.5% 62.30
time.user_time
41535878 -4.0% 39873501 -2.6% 40452264
proc-vmstat.numa_hit
41466104 -4.0% 39806121 -2.6% 40384854
proc-vmstat.numa_local
77297398 -4.1% 74165258 -2.6% 75286134
proc-vmstat.pgalloc_normal
77016866 -4.1% 73886027 -2.6% 75012630
proc-vmstat.pgfree
18386219 -5.0% 17474214 -2.9% 17850959
stress-ng.pagemove.ops
306421 -5.0% 291207 -2.9% 297490
stress-ng.pagemove.ops_per_sec
4957 +1.3% 5023 +1.0% 5008
stress-ng.time.percent_of_cpu_this_job_got
2915 +1.5% 2959 +1.2% 2949
stress-ng.time.system_time
3.349e+10 ± 4% +3.0% 3.447e+10 ± 2% +4.1% 3.484e+10
perf-stat.i.branch-instructions
1.13 -2.1% 1.10 -2.2% 1.10
perf-stat.i.cpi
0.89 +2.2% 0.91 +2.0% 0.91
perf-stat.i.ipc
1.04 -6.9% 0.97 -4.9% 0.99
perf-stat.overall.MPKI
1.13 -2.3% 1.10 -2.0% 1.10
perf-stat.overall.cpi
1081 +5.0% 1136 +3.0% 1114
perf-stat.overall.cycles-between-cache-misses
0.89 +2.3% 0.91 +2.0% 0.91
perf-stat.overall.ipc
3.295e+10 ± 3% +2.9% 3.392e+10 ± 2% +4.0% 3.427e+10
perf-stat.ps.branch-instructions
1.674e+11 ± 3% +1.8% 1.704e+11 ± 2% +3.3% 1.73e+11
perf-stat.ps.instructions
1.046e+13 +2.7% 1.074e+13 +1.7% 1.064e+13
perf-stat.total.instructions
75.05 -2.0 73.02 -0.9 74.18
perf-profile.calltrace.cycles-pp.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
36.83 -1.6 35.19 -1.2 35.62
perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
25.02 -1.4 23.65 -0.9 24.12
perf-profile.calltrace.cycles-pp.copy_vma.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.94 -1.1 18.87 -0.8 19.19
perf-profile.calltrace.cycles-pp.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
14.78 -0.8 14.01 -0.5 14.28
perf-profile.calltrace.cycles-pp.vma_merge.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
1.48 -0.5 0.99 -0.5 1.00
perf-profile.calltrace.cycles-pp.mas_find.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
7.88 -0.4 7.47 -0.3 7.62
perf-profile.calltrace.cycles-pp.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.73 -0.4 6.37 -0.2 6.51
perf-profile.calltrace.cycles-pp.vm_area_dup.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
6.16 -0.3 5.82 -0.3 5.90
perf-profile.calltrace.cycles-pp.vma_complete.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
6.12 -0.3 5.79 -0.2 5.93
perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap.do_vmi_munmap
5.79 -0.3 5.48 -0.2 5.59
perf-profile.calltrace.cycles-pp.move_ptes.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64
5.54 -0.3 5.25 -0.2 5.32
perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_complete.__split_vma.do_vmi_align_munmap.do_vmi_munmap
5.56 -0.3 5.28 -0.2 5.36
perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_merge.copy_vma.move_vma.__do_sys_mremap
5.19 -0.3 4.92 -0.2 4.98
perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_prealloc.vma_complete.__split_vma.do_vmi_align_munmap
5.21 -0.3 4.95 -0.2 5.02
perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_prealloc.vma_merge.copy_vma.move_vma
4.09 -0.2 3.85 -0.2 3.93
perf-profile.calltrace.cycles-pp.vm_area_dup.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
4.69 -0.2 4.46 -0.2 4.51
perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_wr_store_entry.mas_store_prealloc.vma_merge.copy_vma
3.56 -0.2 3.36 -0.1 3.43
perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_dup.copy_vma.move_vma.__do_sys_mremap
3.40 -0.2 3.22 -0.1 3.29
perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.move_ptes.move_page_tables.move_vma.__do_sys_mremap
1.35 -0.2 1.16 -0.1 1.24
perf-profile.calltrace.cycles-pp.mas_find.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap
4.00 -0.2 3.82 -0.1 3.86
perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_wr_store_entry.mas_store_prealloc.vma_complete.__split_vma
2.23 -0.2 2.05 -0.1 2.12
perf-profile.calltrace.cycles-pp.find_vma_prev.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
8.26 -0.2 8.10 -0.2 8.06
perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
1.97 ± 3% -0.2 1.81 ± 3% -0.1 1.88 ± 4%
perf-profile.calltrace.cycles-pp.mod_objcg_state.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_dup.__split_vma
3.11 ± 2% -0.2 2.96 -0.1 3.05
perf-profile.calltrace.cycles-pp.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap
0.97 -0.2 0.81 -0.1 0.87
perf-profile.calltrace.cycles-pp.mas_walk.mas_find.do_vmi_munmap.do_munmap.mremap_to
2.27 -0.2 2.11 -0.1 2.16
perf-profile.calltrace.cycles-pp.mas_preallocate.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
3.25 -0.1 3.10 -0.1 3.17
perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
3.14 -0.1 3.00 -0.1 3.06
perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap.move_vma
2.98 -0.1 2.85 -0.1 2.87 ± 2%
perf-profile.calltrace.cycles-pp.anon_vma_clone.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
1.27 ± 2% -0.1 1.15 ± 4% -0.1 1.19 ± 6%
perf-profile.calltrace.cycles-pp.__memcpy.mas_wr_node_store.mas_wr_store_entry.mas_store_prealloc.vma_merge
2.45 -0.1 2.34 -0.1 2.38
perf-profile.calltrace.cycles-pp.flush_tlb_func.flush_tlb_mm_range.move_ptes.move_page_tables.move_vma
2.05 -0.1 1.94 -0.1 1.97
perf-profile.calltrace.cycles-pp.mas_preallocate.vma_merge.copy_vma.move_vma.__do_sys_mremap
2.44 -0.1 2.33 -0.1 2.38
perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap
2.22 -0.1 2.11 -0.1 2.15
perf-profile.calltrace.cycles-pp.native_flush_tlb_one_user.flush_tlb_func.flush_tlb_mm_range.move_ptes.move_page_tables
1.76 ± 2% -0.1 1.65 ± 2% -0.1 1.66 ± 4%
perf-profile.calltrace.cycles-pp.vma_prepare.vma_merge.copy_vma.move_vma.__do_sys_mremap
1.86 -0.1 1.75 -0.1 1.78
perf-profile.calltrace.cycles-pp.vma_link.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
1.40 -0.1 1.30 -0.1 1.34
perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.__split_vma.do_vmi_align_munmap.do_vmi_munmap
1.39 -0.1 1.30 -0.1 1.33
perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.vma_merge.copy_vma.move_vma
0.55 -0.1 0.46 ± 30% -0.0 0.52
perf-profile.calltrace.cycles-pp.mas_find.find_vma_prev.copy_vma.move_vma.__do_sys_mremap
1.25 -0.1 1.16 -0.1 1.20
perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__split_vma.do_vmi_align_munmap
0.94 -0.1 0.86 -0.1 0.87
perf-profile.calltrace.cycles-pp.mas_walk.mas_find.do_vmi_munmap.move_vma.__do_sys_mremap
1.23 -0.1 1.15 -0.1 1.17
perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_merge.copy_vma
1.54 -0.1 1.47 -0.0 1.49
perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap
0.73 -0.1 0.66 -0.0 0.69
perf-profile.calltrace.cycles-pp.mas_walk.find_vma_prev.copy_vma.move_vma.__do_sys_mremap
1.15 -0.1 1.09 -0.1 1.10
perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap
0.60 ± 2% -0.1 0.54 -0.0 0.58
perf-profile.calltrace.cycles-pp.security_mmap_addr.__get_unmapped_area.mremap_to.__do_sys_mremap.do_syscall_64
1.27 -0.1 1.21 -0.0 1.24
perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.move_vma
0.80 ± 2% -0.1 0.74 ± 2% -0.0 0.76 ± 2%
perf-profile.calltrace.cycles-pp.__call_rcu_common.mas_wr_node_store.mas_wr_store_entry.mas_store_prealloc.vma_merge
0.72 -0.1 0.66 -0.0 0.69
perf-profile.calltrace.cycles-pp.mas_prev.vma_merge.copy_vma.move_vma.__do_sys_mremap
0.78 -0.1 0.73 -0.0 0.75
perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__split_vma
0.69 ± 2% -0.1 0.64 ± 3% -0.0 0.66 ± 4%
perf-profile.calltrace.cycles-pp.mod_objcg_state.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_dup.copy_vma
1.63 -0.1 1.58 -0.1 1.57
perf-profile.calltrace.cycles-pp.__get_unmapped_area.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.02 -0.1 0.97 -0.0 0.98
perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region
0.77 -0.0 0.72 -0.0 0.74
perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_merge
0.62 -0.0 0.57 -0.0 0.60
perf-profile.calltrace.cycles-pp.mas_prev_setup.mas_prev.vma_merge.copy_vma.move_vma
0.67 -0.0 0.62 -0.0 0.64
perf-profile.calltrace.cycles-pp.percpu_counter_add_batch.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
0.86 -0.0 0.81 -0.0 0.83
perf-profile.calltrace.cycles-pp.mtree_load.vma_to_resize.mremap_to.__do_sys_mremap.do_syscall_64
1.12 -0.0 1.08 -0.0 1.09
perf-profile.calltrace.cycles-pp.clear_bhb_loop.mremap
0.56 -0.0 0.51 -0.0 0.53
perf-profile.calltrace.cycles-pp.mas_walk.mas_prev_setup.mas_prev.vma_merge.copy_vma
0.68 ± 2% -0.0 0.63 -0.0 0.65
perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.mremap
0.81 -0.0 0.77 -0.0 0.80
perf-profile.calltrace.cycles-pp.mtree_load.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
1.02 -0.0 0.97 -0.0 0.98
perf-profile.calltrace.cycles-pp.vma_to_resize.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.95 ± 2% -0.0 0.90 ± 2% -0.0 0.93
perf-profile.calltrace.cycles-pp.__memcg_slab_free_hook.kmem_cache_free.unlink_anon_vmas.free_pgtables.unmap_region
0.98 -0.0 0.94 -0.0 0.95
perf-profile.calltrace.cycles-pp.mas_find.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
0.78 -0.0 0.74 -0.0 0.75
perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_link.copy_vma.move_vma.__do_sys_mremap
0.70 -0.0 0.66 -0.0 0.67
perf-profile.calltrace.cycles-pp.__call_rcu_common.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
0.69 -0.0 0.65 -0.0 0.66
perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.copy_vma.move_vma
0.69 -0.0 0.65 -0.0 0.65
perf-profile.calltrace.cycles-pp.mas_preallocate.vma_link.copy_vma.move_vma.__do_sys_mremap
0.62 -0.0 0.59 -0.0 0.60
perf-profile.calltrace.cycles-pp.mas_prev_slot.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
1.16 -0.0 1.12 -0.0 1.13
perf-profile.calltrace.cycles-pp.anon_vma_clone.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
0.76 ± 2% -0.0 0.72 -0.0 0.72 ± 2%
perf-profile.calltrace.cycles-pp.allocate_slab.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.__split_vma
1.01 -0.0 0.97 -0.0 0.99
perf-profile.calltrace.cycles-pp.mt_find.vma_merge.copy_vma.move_vma.__do_sys_mremap
0.60 -0.0 0.57 -0.0 0.58
perf-profile.calltrace.cycles-pp.__pte_offset_map_lock.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
0.88 -0.0 0.85 -0.0 0.85
perf-profile.calltrace.cycles-pp.userfaultfd_unmap_complete.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
0.62 ± 2% -0.0 0.59 ± 2% -0.0 0.60
perf-profile.calltrace.cycles-pp.get_old_pud.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64
0.59 -0.0 0.56 -0.0 0.56
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.mremap
0.65 -0.0 0.62 ± 2% -0.0 0.63
perf-profile.calltrace.cycles-pp.mas_update_gap.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.move_vma
0.81 +0.0 0.82 -0.0 0.79
perf-profile.calltrace.cycles-pp.thp_get_unmapped_area_vmflags.__get_unmapped_area.mremap_to.__do_sys_mremap.do_syscall_64
2.76 +0.0 2.78 ± 2% -0.1 2.67
perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap
3.47 +0.0 3.51 -0.1 3.37
perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap.move_vma
0.76 +0.1 0.83 +0.1 0.85
perf-profile.calltrace.cycles-pp.__madvise
0.66 +0.1 0.73 +0.1 0.75
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
0.67 +0.1 0.74 +0.1 0.76
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__madvise
0.63 +0.1 0.70 +0.1 0.72
perf-profile.calltrace.cycles-pp.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
0.62 +0.1 0.70 +0.1 0.71
perf-profile.calltrace.cycles-pp.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
0.00 +0.9 0.86 +0.9 0.92
perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.do_vmi_munmap.do_munmap
0.00 +0.9 0.88 +0.0 0.00
perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.mremap_to.__do_sys_mremap
83.81 +0.9 84.69 +0.6 84.44
perf-profile.calltrace.cycles-pp.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
0.00 +0.9 0.90 ± 2% +0.9 0.91
perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.do_vmi_munmap.move_vma
0.00 +1.1 1.10 +0.0 0.00
perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.mremap_to.__do_sys_mremap.do_syscall_64
0.00 +1.2 1.21 +1.3 1.28
perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.do_vmi_munmap.do_munmap.mremap_to
2.10 +1.5 3.60 +1.7 3.79
perf-profile.calltrace.cycles-pp.do_munmap.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +1.5 1.52 +1.5 1.52
perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.do_vmi_munmap.move_vma.__do_sys_mremap
1.59 +1.5 3.12 +1.7 3.31
perf-profile.calltrace.cycles-pp.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap.do_syscall_64
0.00 +1.6 1.61 +0.0 0.00
perf-profile.calltrace.cycles-pp.can_modify_mm.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +1.7 1.73 +1.8 1.83
perf-profile.calltrace.cycles-pp.can_modify_mm.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap
0.00 +2.0 2.01 +2.0 2.04
perf-profile.calltrace.cycles-pp.can_modify_mm.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
5.34 +3.0 8.38 +1.6 6.92
perf-profile.calltrace.cycles-pp.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
75.22 -2.0 73.18 -0.9 74.34
perf-profile.children.cycles-pp.move_vma
37.04 -1.6 35.40 -1.2 35.83
perf-profile.children.cycles-pp.do_vmi_align_munmap
25.09 -1.4 23.72 -0.9 24.20
perf-profile.children.cycles-pp.copy_vma
20.04 -1.1 18.96 -0.8 19.28
perf-profile.children.cycles-pp.__split_vma
19.87 -1.0 18.84 -0.6 19.24
perf-profile.children.cycles-pp.rcu_core
19.85 -1.0 18.82 -0.6 19.22
perf-profile.children.cycles-pp.rcu_do_batch
19.89 -1.0 18.86 -0.6 19.26
perf-profile.children.cycles-pp.handle_softirqs
17.55 -0.9 16.67 -0.5 17.02
perf-profile.children.cycles-pp.kmem_cache_free
15.32 -0.8 14.49 -0.5 14.78
perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
15.17 -0.8 14.39 -0.5 14.66
perf-profile.children.cycles-pp.vma_merge
12.12 -0.6 11.48 -0.4 11.70
perf-profile.children.cycles-pp.__slab_free
12.19 -0.6 11.56 -0.5 11.73
perf-profile.children.cycles-pp.mas_wr_store_entry
11.99 -0.6 11.36 -0.5 11.53
perf-profile.children.cycles-pp.mas_store_prealloc
10.88 -0.6 10.28 -0.4 10.50
perf-profile.children.cycles-pp.vm_area_dup
9.90 -0.5 9.41 -0.4 9.53
perf-profile.children.cycles-pp.mas_wr_node_store
8.39 -0.5 7.92 -0.3 8.13
perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
7.99 -0.4 7.58 -0.3 7.73
perf-profile.children.cycles-pp.move_page_tables
6.70 -0.4 6.33 -0.3 6.43
perf-profile.children.cycles-pp.vma_complete
5.87 -0.3 5.55 -0.2 5.66
perf-profile.children.cycles-pp.move_ptes
5.12 -0.3 4.81 -0.2 4.90
perf-profile.children.cycles-pp.mas_preallocate
6.05 -0.3 5.74 -0.2 5.85
perf-profile.children.cycles-pp.vm_area_free_rcu_cb
2.98 -0.3 2.69 ± 4% -0.2 2.80 ± 6%
perf-profile.children.cycles-pp.__memcpy
3.46 ± 2% -0.2 3.25 -0.1 3.36 ± 3%
perf-profile.children.cycles-pp.mod_objcg_state
3.47 -0.2 3.26 -0.2 3.32
perf-profile.children.cycles-pp.___slab_alloc
2.44 -0.2 2.25 -0.1 2.33
perf-profile.children.cycles-pp.find_vma_prev
2.92 -0.2 2.73 -0.1 2.79
perf-profile.children.cycles-pp.mas_alloc_nodes
3.46 -0.2 3.27 -0.1 3.34
perf-profile.children.cycles-pp.flush_tlb_mm_range
3.47 -0.2 3.29 -0.2 3.32 ± 2%
perf-profile.children.cycles-pp.down_write
3.33 -0.2 3.16 -0.1 3.25
perf-profile.children.cycles-pp.__memcg_slab_free_hook
4.23 -0.2 4.07 -0.1 4.08 ± 2%
perf-profile.children.cycles-pp.anon_vma_clone
8.33 -0.2 8.17 -0.2 8.13
perf-profile.children.cycles-pp.unmap_region
3.35 -0.1 3.20 -0.1 3.26
perf-profile.children.cycles-pp.mas_store_gfp
2.21 -0.1 2.07 -0.1 2.10
perf-profile.children.cycles-pp.__cond_resched
3.19 -0.1 3.05 -0.1 3.11
perf-profile.children.cycles-pp.unmap_vmas
2.12 -0.1 1.99 -0.1 2.04
perf-profile.children.cycles-pp.__call_rcu_common
2.66 -0.1 2.54 -0.1 2.60
perf-profile.children.cycles-pp.mtree_load
2.24 -0.1 2.12 ± 2% -0.1 2.13 ± 3%
perf-profile.children.cycles-pp.vma_prepare
2.50 -0.1 2.38 -0.1 2.42
perf-profile.children.cycles-pp.flush_tlb_func
2.04 ± 2% -0.1 1.93 -0.1 1.96 ± 2%
perf-profile.children.cycles-pp.allocate_slab
2.46 -0.1 2.35 -0.1 2.41
perf-profile.children.cycles-pp.rcu_cblist_dequeue
2.48 -0.1 2.38 -0.1 2.42
perf-profile.children.cycles-pp.unmap_page_range
2.23 -0.1 2.12 -0.1 2.16
perf-profile.children.cycles-pp.native_flush_tlb_one_user
1.77 -0.1 1.67 -0.1 1.70
perf-profile.children.cycles-pp.mas_wr_walk
1.88 -0.1 1.78 -0.1 1.80
perf-profile.children.cycles-pp.vma_link
1.84 -0.1 1.75 -0.1 1.77
perf-profile.children.cycles-pp.up_write
0.97 ± 2% -0.1 0.88 -0.1 0.89
perf-profile.children.cycles-pp.rcu_all_qs
1.40 -0.1 1.32 -0.1 1.34 ± 2%
perf-profile.children.cycles-pp.shuffle_freelist
1.03 -0.1 0.95 -0.0 0.99
perf-profile.children.cycles-pp.mas_prev
0.92 -0.1 0.85 -0.0 0.88
perf-profile.children.cycles-pp.mas_prev_setup
1.58 -0.1 1.51 -0.1 1.53
perf-profile.children.cycles-pp.zap_pmd_range
1.24 -0.1 1.17 -0.0 1.20
perf-profile.children.cycles-pp.mas_prev_slot
1.57 -0.1 1.49 -0.1 1.49
perf-profile.children.cycles-pp.mas_update_gap
0.62 -0.1 0.56 -0.0 0.60
perf-profile.children.cycles-pp.security_mmap_addr
0.90 -0.1 0.84 -0.0 0.86
perf-profile.children.cycles-pp.percpu_counter_add_batch
0.86 -0.1 0.80 -0.0 0.81
perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.98 -0.1 0.92 -0.0 0.95
perf-profile.children.cycles-pp.mas_pop_node
1.68 -0.1 1.62 -0.1 1.62
perf-profile.children.cycles-pp.__get_unmapped_area
1.23 -0.1 1.18 -0.0 1.20
perf-profile.children.cycles-pp.__pte_offset_map_lock
0.49 ± 2% -0.1 0.43 -0.1 0.43 ± 2%
perf-profile.children.cycles-pp.setup_object
1.09 -0.1 1.03 -0.0 1.05
perf-profile.children.cycles-pp.zap_pte_range
1.07 ± 2% -0.1 1.02 ± 2% -0.1 1.00
perf-profile.children.cycles-pp.mas_leaf_max_gap
0.70 ± 2% -0.0 0.65 -0.0 0.67
perf-profile.children.cycles-pp.syscall_return_via_sysret
1.18 -0.0 1.14 -0.0 1.15
perf-profile.children.cycles-pp.clear_bhb_loop
0.51 ± 3% -0.0 0.47 -0.0 0.49 ± 3%
perf-profile.children.cycles-pp.anon_vma_interval_tree_insert
1.04 -0.0 1.00 -0.0 1.01
perf-profile.children.cycles-pp.vma_to_resize
0.57 -0.0 0.53 -0.0 0.54
perf-profile.children.cycles-pp.mas_wr_end_piv
0.44 ± 2% -0.0 0.40 ± 2% -0.0 0.40
perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
1.14 -0.0 1.10 -0.0 1.12
perf-profile.children.cycles-pp.mt_find
0.90 -0.0 0.87 -0.0 0.87
perf-profile.children.cycles-pp.userfaultfd_unmap_complete
0.62 -0.0 0.59 -0.0 0.60
perf-profile.children.cycles-pp.__put_partials
0.45 ± 6% -0.0 0.42 -0.0 0.43
perf-profile.children.cycles-pp._raw_spin_lock
0.48 -0.0 0.45 ± 2% -0.0 0.46
perf-profile.children.cycles-pp.mas_prev_range
0.61 -0.0 0.58 -0.0 0.59
perf-profile.children.cycles-pp.entry_SYSCALL_64
0.31 ± 3% -0.0 0.28 ± 3% -0.0 0.31
perf-profile.children.cycles-pp.security_vm_enough_memory_mm
0.33 ± 3% -0.0 0.30 ± 2% -0.0 0.31 ± 4%
perf-profile.children.cycles-pp.mas_put_in_tree
0.32 ± 2% -0.0 0.29 ± 2% -0.0 0.30
perf-profile.children.cycles-pp.tlb_finish_mmu
0.46 -0.0 0.44 ± 2% -0.0 0.46
perf-profile.children.cycles-pp.rcu_segcblist_enqueue
0.33 -0.0 0.31 -0.0 0.32
perf-profile.children.cycles-pp.mas_destroy
0.36 -0.0 0.34 -0.0 0.34
perf-profile.children.cycles-pp.__rb_insert_augmented
0.39 -0.0 0.37 -0.0 0.38 ± 2%
perf-profile.children.cycles-pp.down_write_killable
0.29 -0.0 0.27 ± 2% -0.0 0.28
perf-profile.children.cycles-pp.tlb_gather_mmu
0.26 -0.0 0.24 ± 2% -0.0 0.25 ± 2%
perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.16 ± 2% -0.0 0.14 ± 3% -0.0 0.14 ± 3%
perf-profile.children.cycles-pp.mas_wr_append
0.30 ± 2% -0.0 0.28 ± 2% -0.0 0.29 ± 2%
perf-profile.children.cycles-pp.__vm_enough_memory
0.32 -0.0 0.30 ± 2% -0.0 0.31
perf-profile.children.cycles-pp.pte_offset_map_nolock
2.83 +0.0 2.85 ± 2% -0.1 2.74
perf-profile.children.cycles-pp.unlink_anon_vmas
0.84 +0.0 0.86 -0.0 0.81
perf-profile.children.cycles-pp.thp_get_unmapped_area_vmflags
0.08 ± 5% +0.0 0.10 ± 3% -0.0 0.08 ± 6%
perf-profile.children.cycles-pp.mm_get_unmapped_area_vmflags
3.52 +0.0 3.56 -0.1 3.42
perf-profile.children.cycles-pp.free_pgtables
0.78 +0.1 0.85 +0.1 0.86
perf-profile.children.cycles-pp.__madvise
0.63 +0.1 0.70 +0.1 0.72
perf-profile.children.cycles-pp.__x64_sys_madvise
0.63 +0.1 0.70 +0.1 0.71
perf-profile.children.cycles-pp.do_madvise
0.00 +0.1 0.09 ± 3% +0.1 0.10 ± 5%
perf-profile.children.cycles-pp.can_modify_mm_madv
1.31 +0.2 1.46 +0.2 1.50
perf-profile.children.cycles-pp.mas_next_slot
83.90 +0.9 84.79 +0.6 84.53
perf-profile.children.cycles-pp.__do_sys_mremap
40.45 +1.4 41.90 +2.1 42.57
perf-profile.children.cycles-pp.do_vmi_munmap
2.12 +1.5 3.62 +1.7 3.82
perf-profile.children.cycles-pp.do_munmap
3.63 +2.4 5.98 +1.7 5.29
perf-profile.children.cycles-pp.mas_walk
5.40 +3.0 8.44 +1.6 6.97
perf-profile.children.cycles-pp.mremap_to
5.26 +3.2 8.48 +2.3 7.58
perf-profile.children.cycles-pp.mas_find
0.00 +5.5 5.46 +3.9 3.93
perf-profile.children.cycles-pp.can_modify_mm
11.49 -0.6 10.89 -0.4 11.10
perf-profile.self.cycles-pp.__slab_free
4.32 -0.3 4.06 -0.2 4.16
perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
1.96 -0.2 1.77 ± 4% -0.1 1.84 ± 6%
perf-profile.self.cycles-pp.__memcpy
2.36 -0.1 2.25 ± 2% -0.1 2.25 ± 3%
perf-profile.self.cycles-pp.down_write
2.42 -0.1 2.31 -0.0 2.38
perf-profile.self.cycles-pp.rcu_cblist_dequeue
2.33 -0.1 2.23 -0.1 2.28
perf-profile.self.cycles-pp.mtree_load
2.21 -0.1 2.10 -0.1 2.14
perf-profile.self.cycles-pp.native_flush_tlb_one_user
1.62 -0.1 1.54 -0.0 1.57
perf-profile.self.cycles-pp.__memcg_slab_free_hook
1.52 -0.1 1.44 -0.1 1.46
perf-profile.self.cycles-pp.mas_wr_walk
1.44 -0.1 1.36 -0.1 1.38 ± 2%
perf-profile.self.cycles-pp.__call_rcu_common
1.53 -0.1 1.45 -0.0 1.48
perf-profile.self.cycles-pp.up_write
1.72 -0.1 1.65 -0.0 1.70
perf-profile.self.cycles-pp.mod_objcg_state
0.69 ± 2% -0.1 0.63 -0.1 0.63
perf-profile.self.cycles-pp.rcu_all_qs
1.14 ± 2% -0.1 1.08 -0.0 1.09 ± 2%
perf-profile.self.cycles-pp.shuffle_freelist
1.18 -0.1 1.12 -0.0 1.17
perf-profile.self.cycles-pp.vma_merge
1.38 -0.1 1.33 -0.0 1.35
perf-profile.self.cycles-pp.do_vmi_align_munmap
0.51 ± 2% -0.1 0.45 -0.0 0.49
perf-profile.self.cycles-pp.security_mmap_addr
0.62 -0.1 0.56 ± 2% -0.1 0.56
perf-profile.self.cycles-pp.mremap
0.89 -0.1 0.83 -0.0 0.85
perf-profile.self.cycles-pp.___slab_alloc
0.99 -0.1 0.94 -0.0 0.96
perf-profile.self.cycles-pp.mas_prev_slot
1.00 -0.0 0.95 -0.0 0.96
perf-profile.self.cycles-pp.mas_preallocate
0.98 -0.0 0.93 -0.0 0.95
perf-profile.self.cycles-pp.move_ptes
0.85 -0.0 0.80 -0.0 0.82
perf-profile.self.cycles-pp.mas_pop_node
0.94 -0.0 0.90 -0.0 0.91 ± 2%
perf-profile.self.cycles-pp.vm_area_free_rcu_cb
1.09 -0.0 1.04 -0.0 1.06
perf-profile.self.cycles-pp.__cond_resched
0.77 -0.0 0.72 -0.0 0.74
perf-profile.self.cycles-pp.percpu_counter_add_batch
0.94 ± 2% -0.0 0.89 ± 2% -0.1 0.87
perf-profile.self.cycles-pp.mas_leaf_max_gap
1.17 -0.0 1.12 -0.0 1.14
perf-profile.self.cycles-pp.clear_bhb_loop
0.68 -0.0 0.63 -0.0 0.65
perf-profile.self.cycles-pp.__split_vma
0.79 -0.0 0.75 -0.0 0.77
perf-profile.self.cycles-pp.mas_wr_store_entry
1.22 -0.0 1.18 -0.0 1.18
perf-profile.self.cycles-pp.move_vma
0.43 ± 2% -0.0 0.40 ± 2% -0.0 0.40
perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
1.49 -0.0 1.45 +0.0 1.49
perf-profile.self.cycles-pp.kmem_cache_free
0.44 -0.0 0.40 -0.0 0.40
perf-profile.self.cycles-pp.do_munmap
0.45 -0.0 0.42 -0.0 0.43
perf-profile.self.cycles-pp.mas_wr_end_piv
0.89 -0.0 0.86 -0.0 0.88
perf-profile.self.cycles-pp.mas_store_gfp
0.78 -0.0 0.75 -0.0 0.76
perf-profile.self.cycles-pp.userfaultfd_unmap_complete
0.66 -0.0 0.62 -0.0 0.64
perf-profile.self.cycles-pp.mas_store_prealloc
0.60 -0.0 0.58 -0.0 0.59
perf-profile.self.cycles-pp.unmap_region
0.36 ± 4% -0.0 0.33 ± 3% -0.0 0.34 ± 2%
perf-profile.self.cycles-pp.syscall_return_via_sysret
0.55 -0.0 0.52 -0.0 0.53
perf-profile.self.cycles-pp.get_old_pud
0.99 -0.0 0.97 -0.0 0.98
perf-profile.self.cycles-pp.mt_find
0.61 -0.0 0.58 -0.0 0.60
perf-profile.self.cycles-pp.copy_vma
0.43 ± 3% -0.0 0.40 -0.0 0.41 ± 4%
perf-profile.self.cycles-pp.anon_vma_interval_tree_insert
0.49 -0.0 0.47 -0.0 0.48
perf-profile.self.cycles-pp.find_vma_prev
0.71 -0.0 0.68 -0.0 0.70
perf-profile.self.cycles-pp.unmap_page_range
0.27 -0.0 0.25 -0.0 0.26
perf-profile.self.cycles-pp.mas_prev_setup
0.47 -0.0 0.45 -0.0 0.46 ± 2%
perf-profile.self.cycles-pp.flush_tlb_mm_range
0.37 ± 6% -0.0 0.35 -0.0 0.35
perf-profile.self.cycles-pp._raw_spin_lock
0.41 -0.0 0.39 -0.0 0.40
perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.40 -0.0 0.37 -0.0 0.38
perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.27 -0.0 0.25 ± 2% -0.0 0.25 ± 3%
perf-profile.self.cycles-pp.mas_put_in_tree
0.49 -0.0 0.47 -0.0 0.49
perf-profile.self.cycles-pp.refill_obj_stock
0.48 -0.0 0.46 -0.0 0.47
perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.27 ± 2% -0.0 0.25 -0.0 0.26
perf-profile.self.cycles-pp.tlb_finish_mmu
0.24 ± 2% -0.0 0.22 -0.0 0.23
perf-profile.self.cycles-pp.mas_prev
0.28 -0.0 0.26 -0.0 0.27 ± 2%
perf-profile.self.cycles-pp.mas_alloc_nodes
0.40 -0.0 0.39 -0.0 0.40
perf-profile.self.cycles-pp.__pte_offset_map_lock
0.14 ± 3% -0.0 0.12 ± 2% -0.0 0.13 ± 3%
perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.26 -0.0 0.24 ± 2% -0.0 0.25
perf-profile.self.cycles-pp.__rb_insert_augmented
0.28 -0.0 0.26 -0.0 0.27
perf-profile.self.cycles-pp.alloc_new_pud
0.28 -0.0 0.26 -0.0 0.27 ± 2%
perf-profile.self.cycles-pp.flush_tlb_func
0.20 ± 2% -0.0 0.19 -0.0 0.19 ± 2%
perf-profile.self.cycles-pp.__get_unmapped_area
0.47 -0.0 0.46 -0.0 0.45
perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown_vmflags
0.06 -0.0 0.05 ± 5% -0.0 0.05
perf-profile.self.cycles-pp.vma_dup_policy
0.06 ± 6% +0.0 0.07 -0.0 0.06 ± 8%
perf-profile.self.cycles-pp.mm_get_unmapped_area_vmflags
0.11 ± 4% +0.0 0.12 ± 4% +0.0 0.12 ± 4%
perf-profile.self.cycles-pp.free_pgd_range
0.21 +0.0 0.22 ± 2% -0.0 0.20 ± 2%
perf-profile.self.cycles-pp.thp_get_unmapped_area_vmflags
0.45 +0.0 0.48 +0.0 0.50
perf-profile.self.cycles-pp.do_vmi_munmap
0.27 +0.0 0.32 -0.0 0.26
perf-profile.self.cycles-pp.free_pgtables
0.36 ± 2% +0.1 0.44 -0.0 0.35
perf-profile.self.cycles-pp.unlink_anon_vmas
1.07 +0.1 1.19 +0.2 1.22
perf-profile.self.cycles-pp.mas_next_slot
1.49 +0.5 2.01 +0.4 1.86
perf-profile.self.cycles-pp.mas_find
0.00 +1.4 1.37 +0.9 0.93
perf-profile.self.cycles-pp.can_modify_mm
3.14 +2.1 5.23 +1.5 4.60
perf-profile.self.cycles-pp.mas_walk
>
>
> >
> > to avoid the impact of other changes, better to apply the patch upon
> > 8be7258a
> > directly.
> >
> > if you prefer other base for this patch, please let us know. then we will
> > supply the results for 4 commits in fact:
> >
> > this patch
> > the base of this patch
> > 8be7258a: mseal: add mseal syscall
> > ff388fe5c: mseal: wire up mseal syscall
> >
> > >
> > > > >
> > > > > Thank you for your time and assistance in helping me on understanding
> > > > > this issue.
> > > >
> > > > due to resource constraint, please expect that we need several days to
> > > > finish
> > > > this test request.
> > > No problem.
> > >
> > > Thanks for your help!
> > > -Jeff
> > >
> > > > >
> > > > > Best regards,
> > > > > -Jeff
> > > > >
> > > > > > -Jeff
> > > > > >
> > > > > > > [1]
> > > > > > > https://lore.kernel.org/lkml/202408041602.caa0372-oliver.s...@intel.com/
> > > > > > > [2]
> > > > > > > https://github.com/peaktocreek/mmperf/blob/main/run_stress_ng.c
> > > > > > >
> > > > > > >
> > > > > > > Jeff Xu (2):
> > > > > > > mseal:selftest mremap across VMA boundaries.
> > > > > > > mseal: refactor mremap to remove can_modify_mm
> > > > > > >
> > > > > > > mm/internal.h | 24 ++
> > > > > > > mm/mremap.c | 77 +++----
> > > > > > > mm/mseal.c | 17 --
> > > > > > > tools/testing/selftests/mm/mseal_test.c | 293
> > > > > > > +++++++++++++++++++++++-
> > > > > > > 4 files changed, 353 insertions(+), 58 deletions(-)
> > > > > > >
> > > > > > > --
> > > > > > > 2.46.0.76.ge559c4bf1a-goog
> > > > > > >
