lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CABi2SkUyvMhiZBWFJwYCB+Loyat0ioffD5vtYjUhgwb49D5+9g@mail.gmail.com>
Date: Mon, 5 Aug 2024 06:56:14 -0700
From: Jeff Xu <jeffxu@...omium.org>
To: kernel test robot <oliver.sang@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com, linux-kernel@...r.kernel.org, 
	Andrew Morton <akpm@...ux-foundation.org>, Kees Cook <keescook@...omium.org>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Pedro Falcato <pedro.falcato@...il.com>, 
	Dave Hansen <dave.hansen@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Guenter Roeck <groeck@...omium.org>, Jann Horn <jannh@...gle.com>, Jeff Xu <jeffxu@...gle.com>, 
	Jonathan Corbet <corbet@....net>, Jorge Lucangeli Obes <jorgelo@...omium.org>, 
	Linus Torvalds <torvalds@...ux-foundation.org>, Matthew Wilcox <willy@...radead.org>, 
	Muhammad Usama Anjum <usama.anjum@...labora.com>, Stephen Röttger <sroettger@...gle.com>, 
	Suren Baghdasaryan <surenb@...gle.com>, Amer Al Shanawany <amer.shanawany@...il.com>, 
	Javier Carrasco <javier.carrasco.cruz@...il.com>, Shuah Khan <shuah@...nel.org>, 
	linux-api@...r.kernel.org, linux-mm@...ck.org, ying.huang@...el.com, 
	feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linus:master] [mseal] 8be7258aad: stress-ng.pagemove.page_remaps_per_sec
 -4.4% regression

On Sun, Aug 4, 2024 at 1:59 AM kernel test robot <oliver.sang@...el.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed a -4.4% regression of stress-ng.pagemove.page_remaps_per_sec on:
>
Looking.
I'm setting up the environment so I can repro. .

>
> commit: 8be7258aad44b5e25977a98db136f677fa6f4370 ("mseal: add mseal syscall")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> testcase: stress-ng
> test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> parameters:
>
>         nr_threads: 100%
>         testtime: 60s
>         test: pagemove
>         cpufreq_governor: performance
>
>
> In addition to that, the commit also has significant impact on the following tests:
>
> +------------------+---------------------------------------------------------------------------------------------+
> | testcase: change | stress-ng: stress-ng.pkey.ops_per_sec -3.6% regression                                      |
> | test machine     | 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory |
> | test parameters  | cpufreq_governor=performance                                                                |
> |                  | nr_threads=100%                                                                             |
> |                  | test=pkey                                                                                   |
> |                  | testtime=60s                                                                                |
> +------------------+---------------------------------------------------------------------------------------------+
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@...el.com>
> | Closes: https://lore.kernel.org/oe-lkp/202408041602.caa0372-oliver.sang@intel.com
>
>
> Details are as below:
> -------------------------------------------------------------------------------------------------->
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20240804/202408041602.caa0372-oliver.sang@intel.com
>
> =========================================================================================
> compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
>   gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp7/pagemove/stress-ng/60s
>
> commit:
>   ff388fe5c4 ("mseal: wire up mseal syscall")
>   8be7258aad ("mseal: add mseal syscall")
>
> ff388fe5c481d39c 8be7258aad44b5e25977a98db13
> ---------------- ---------------------------
>          %stddev     %change         %stddev
>              \          |                \
>   41625945            -4.3%   39842322        proc-vmstat.numa_hit
>   41559175            -4.3%   39774160        proc-vmstat.numa_local
>   77484314            -4.4%   74105555        proc-vmstat.pgalloc_normal
>   77205752            -4.4%   73826672        proc-vmstat.pgfree
>   18361466            -4.2%   17596652        stress-ng.pagemove.ops
>     306014            -4.2%     293262        stress-ng.pagemove.ops_per_sec
>     205312            -4.4%     196176        stress-ng.pagemove.page_remaps_per_sec
>       4961            +1.0%       5013        stress-ng.time.percent_of_cpu_this_job_got
>       2917            +1.2%       2952        stress-ng.time.system_time
>       1.07            -6.6%       1.00        perf-stat.i.MPKI
>  3.354e+10            +3.5%  3.473e+10        perf-stat.i.branch-instructions
>  1.795e+08            -4.2%  1.719e+08        perf-stat.i.cache-misses
>  2.376e+08            -4.1%  2.279e+08        perf-stat.i.cache-references
>       1.13            -3.0%       1.10        perf-stat.i.cpi
>       1077            +4.3%       1124        perf-stat.i.cycles-between-cache-misses
>  1.717e+11            +2.7%  1.762e+11        perf-stat.i.instructions
>       0.88            +3.1%       0.91        perf-stat.i.ipc
>       1.05            -6.8%       0.97        perf-stat.overall.MPKI
>       0.25 ą  2%      -0.0        0.24        perf-stat.overall.branch-miss-rate%
>       1.13            -3.0%       1.10        perf-stat.overall.cpi
>       1084            +4.0%       1127        perf-stat.overall.cycles-between-cache-misses
>       0.88            +3.1%       0.91        perf-stat.overall.ipc
>  3.298e+10            +3.5%  3.415e+10        perf-stat.ps.branch-instructions
>  1.764e+08            -4.3%  1.689e+08        perf-stat.ps.cache-misses
>  2.336e+08            -4.1%   2.24e+08        perf-stat.ps.cache-references
>     194.57            -2.4%     189.96 ą  2%  perf-stat.ps.cpu-migrations
>  1.688e+11            +2.7%  1.733e+11        perf-stat.ps.instructions
>  1.036e+13            +3.0%  1.068e+13        perf-stat.total.instructions
>      75.12            -1.9       73.22        perf-profile.calltrace.cycles-pp.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>      36.84            -1.6       35.29        perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
>      24.90            -1.2       23.72        perf-profile.calltrace.cycles-pp.copy_vma.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
>      19.89            -0.9       18.98        perf-profile.calltrace.cycles-pp.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>      10.56 ą  2%      -0.8        9.78 ą  2%  perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread
>      10.56 ą  2%      -0.8        9.79 ą  2%  perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork
>      10.56 ą  2%      -0.8        9.79 ą  2%  perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
>      10.57 ą  2%      -0.8        9.80 ą  2%  perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
>      10.52 ą  2%      -0.8        9.75 ą  2%  perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn
>      10.62 ą  2%      -0.8        9.85 ą  2%  perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm
>      10.62 ą  2%      -0.8        9.85 ą  2%  perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm
>      10.62 ą  2%      -0.8        9.85 ą  2%  perf-profile.calltrace.cycles-pp.ret_from_fork_asm
>      14.75            -0.7       14.07        perf-profile.calltrace.cycles-pp.vma_merge.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
>       1.50            -0.6        0.94        perf-profile.calltrace.cycles-pp.mas_find.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
>       5.88 ą  2%      -0.4        5.47 ą  2%  perf-profile.calltrace.cycles-pp.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
>       7.80            -0.3        7.47        perf-profile.calltrace.cycles-pp.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
>       4.55 ą  2%      -0.3        4.24 ą  2%  perf-profile.calltrace.cycles-pp.__slab_free.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs
>       6.76            -0.3        6.45        perf-profile.calltrace.cycles-pp.vm_area_dup.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       6.15            -0.3        5.86        perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap.do_vmi_munmap
>       8.22            -0.3        7.93        perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>       6.12            -0.3        5.87        perf-profile.calltrace.cycles-pp.vma_complete.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       5.74            -0.2        5.50        perf-profile.calltrace.cycles-pp.move_ptes.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64
>       3.16 ą  2%      -0.2        2.94        perf-profile.calltrace.cycles-pp.vm_area_free_rcu_cb.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
>       5.50            -0.2        5.28        perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_complete.__split_vma.do_vmi_align_munmap.do_vmi_munmap
>       1.36            -0.2        1.14        perf-profile.calltrace.cycles-pp.mas_find.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap
>       5.15            -0.2        4.94        perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_prealloc.vma_complete.__split_vma.do_vmi_align_munmap
>       5.51            -0.2        5.31        perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       5.16            -0.2        4.97        perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_prealloc.vma_merge.copy_vma.move_vma
>       2.24            -0.2        2.05        perf-profile.calltrace.cycles-pp.find_vma_prev.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
>       2.60 ą  2%      -0.2        2.42 ą  2%  perf-profile.calltrace.cycles-pp.kmem_cache_free.vm_area_free_rcu_cb.rcu_do_batch.rcu_core.handle_softirqs
>       4.67            -0.2        4.49        perf-profile.calltrace.cycles-pp.mas_wr_node_store.mas_wr_store_entry.mas_store_prealloc.vma_merge.copy_vma
>       3.41            -0.2        3.23        perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       3.00            -0.2        2.83 ą  2%  perf-profile.calltrace.cycles-pp.anon_vma_clone.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       0.96            -0.2        0.80        perf-profile.calltrace.cycles-pp.mas_walk.mas_find.do_vmi_munmap.do_munmap.mremap_to
>       4.04            -0.2        3.88        perf-profile.calltrace.cycles-pp.vm_area_dup.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
>       3.20 ą  2%      -0.2        3.04 ą  2%  perf-profile.calltrace.cycles-pp.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap
>       3.53            -0.1        3.38        perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.vm_area_dup.copy_vma.move_vma.__do_sys_mremap
>       3.40            -0.1        3.26        perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.move_ptes.move_page_tables.move_vma.__do_sys_mremap
>       2.20 ą  2%      -0.1        2.06 ą  2%  perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.anon_vma_clone.__split_vma.do_vmi_align_munmap.do_vmi_munmap
>       1.84 ą  3%      -0.1        1.71 ą  3%  perf-profile.calltrace.cycles-pp.__memcg_slab_post_alloc_hook.kmem_cache_alloc_noprof.anon_vma_clone.__split_vma.do_vmi_align_munmap
>       1.78 ą  2%      -0.1        1.65 ą  3%  perf-profile.calltrace.cycles-pp.vma_prepare.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       2.69            -0.1        2.56        perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap
>       1.78 ą  2%      -0.1        1.66 ą  2%  perf-profile.calltrace.cycles-pp.__slab_free.kmem_cache_free.vm_area_free_rcu_cb.rcu_do_batch.rcu_core
>       1.36 ą  2%      -0.1        1.23 ą  2%  perf-profile.calltrace.cycles-pp.rcu_cblist_dequeue.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd
>       0.95            -0.1        0.83        perf-profile.calltrace.cycles-pp.mas_walk.mas_find.do_vmi_munmap.move_vma.__do_sys_mremap
>       3.29            -0.1        3.17        perf-profile.calltrace.cycles-pp.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>       2.08            -0.1        1.96        perf-profile.calltrace.cycles-pp.mas_preallocate.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       1.43 ą  3%      -0.1        1.32 ą  3%  perf-profile.calltrace.cycles-pp.down_write.vma_prepare.vma_merge.copy_vma.move_vma
>       2.21            -0.1        2.10        perf-profile.calltrace.cycles-pp.mas_preallocate.__split_vma.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       2.47            -0.1        2.36        perf-profile.calltrace.cycles-pp.flush_tlb_func.flush_tlb_mm_range.move_ptes.move_page_tables.move_vma
>       2.21            -0.1        2.12        perf-profile.calltrace.cycles-pp.native_flush_tlb_one_user.flush_tlb_func.flush_tlb_mm_range.move_ptes.move_page_tables
>       1.41            -0.1        1.32        perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.__split_vma.do_vmi_align_munmap.do_vmi_munmap
>       1.26            -0.1        1.18        perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__split_vma.do_vmi_align_munmap
>       1.82            -0.1        1.75        perf-profile.calltrace.cycles-pp.vma_link.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
>       0.71            -0.1        0.63        perf-profile.calltrace.cycles-pp.mas_prev.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       1.29            -0.1        1.22        perf-profile.calltrace.cycles-pp.mas_wr_store_entry.mas_store_gfp.do_vmi_align_munmap.do_vmi_munmap.move_vma
>       0.61            -0.1        0.54        perf-profile.calltrace.cycles-pp.mas_prev_setup.mas_prev.vma_merge.copy_vma.move_vma
>       1.36            -0.1        1.29        perf-profile.calltrace.cycles-pp.kmem_cache_free.unlink_anon_vmas.free_pgtables.unmap_region.do_vmi_align_munmap
>       1.40            -0.1        1.33        perf-profile.calltrace.cycles-pp.mas_alloc_nodes.mas_preallocate.vma_merge.copy_vma.move_vma
>       0.70            -0.1        0.64        perf-profile.calltrace.cycles-pp.mas_walk.find_vma_prev.copy_vma.move_vma.__do_sys_mremap
>       1.23            -0.1        1.17        perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_merge.copy_vma
>       1.66            -0.1        1.60        perf-profile.calltrace.cycles-pp.__get_unmapped_area.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
>       1.16            -0.1        1.10        perf-profile.calltrace.cycles-pp.anon_vma_clone.copy_vma.move_vma.__do_sys_mremap.do_syscall_64
>       0.96            -0.1        0.90        perf-profile.calltrace.cycles-pp.__memcg_slab_free_hook.kmem_cache_free.unlink_anon_vmas.free_pgtables.unmap_region
>       1.14            -0.1        1.08        perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.do_vmi_align_munmap
>       0.79            -0.1        0.74        perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__split_vma
>       1.04            -0.1        1.00        perf-profile.calltrace.cycles-pp.vma_to_resize.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
>       0.58            -0.0        0.53        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.mremap
>       0.61            -0.0        0.56        perf-profile.calltrace.cycles-pp.__memcg_slab_free_hook.kmem_cache_free.vm_area_free_rcu_cb.rcu_do_batch.rcu_core
>       0.56            -0.0        0.52        perf-profile.calltrace.cycles-pp.mas_find.find_vma_prev.copy_vma.move_vma.__do_sys_mremap
>       0.57            -0.0        0.53 ą  2%  perf-profile.calltrace.cycles-pp.__memcg_slab_free_hook.kmem_cache_free.rcu_do_batch.rcu_core.handle_softirqs
>       0.78            -0.0        0.74        perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_merge
>       0.88            -0.0        0.84        perf-profile.calltrace.cycles-pp.mtree_load.vma_to_resize.mremap_to.__do_sys_mremap.do_syscall_64
>       0.70            -0.0        0.66        perf-profile.calltrace.cycles-pp.__call_rcu_common.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>       0.68            -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
>       0.68            -0.0        0.64        perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.mremap
>       0.97            -0.0        0.93        perf-profile.calltrace.cycles-pp.mas_find.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>       1.11            -0.0        1.08        perf-profile.calltrace.cycles-pp.clear_bhb_loop.mremap
>       0.75            -0.0        0.72        perf-profile.calltrace.cycles-pp.allocate_slab.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.__split_vma
>       0.74            -0.0        0.71        perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.anon_vma_clone.copy_vma.move_vma.__do_sys_mremap
>       0.60 ą  2%      -0.0        0.57        perf-profile.calltrace.cycles-pp.security_mmap_addr.__get_unmapped_area.mremap_to.__do_sys_mremap.do_syscall_64
>       0.67 ą  2%      -0.0        0.64        perf-profile.calltrace.cycles-pp.___slab_alloc.kmem_cache_alloc_noprof.vm_area_dup.copy_vma.move_vma
>       0.82            -0.0        0.79        perf-profile.calltrace.cycles-pp.mtree_load.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>       0.63            -0.0        0.60        perf-profile.calltrace.cycles-pp.mas_prev_slot.do_vmi_align_munmap.do_vmi_munmap.move_vma.__do_sys_mremap
>       0.99            -0.0        0.96        perf-profile.calltrace.cycles-pp.mt_find.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       0.62 ą  2%      -0.0        0.59        perf-profile.calltrace.cycles-pp.get_old_pud.move_page_tables.move_vma.__do_sys_mremap.do_syscall_64
>       0.87            -0.0        0.84        perf-profile.calltrace.cycles-pp.userfaultfd_unmap_complete.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>       0.78            -0.0        0.75        perf-profile.calltrace.cycles-pp.mas_store_prealloc.vma_link.copy_vma.move_vma.__do_sys_mremap
>       0.64            -0.0        0.62        perf-profile.calltrace.cycles-pp.mas_preallocate.vma_link.copy_vma.move_vma.__do_sys_mremap
>       0.90            -0.0        0.87        perf-profile.calltrace.cycles-pp.mtree_load.vma_merge.copy_vma.move_vma.__do_sys_mremap
>       0.54            -0.0        0.52        perf-profile.calltrace.cycles-pp.__pte_offset_map_lock.move_ptes.move_page_tables.move_vma.__do_sys_mremap
>       1.04            +0.0        1.08        perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region
>       0.76            +0.1        0.83        perf-profile.calltrace.cycles-pp.__madvise
>       0.63            +0.1        0.70        perf-profile.calltrace.cycles-pp.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
>       0.62            +0.1        0.70        perf-profile.calltrace.cycles-pp.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
>       0.66            +0.1        0.74        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__madvise
>       0.66            +0.1        0.74        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
>      87.74            +0.7       88.45        perf-profile.calltrace.cycles-pp.mremap
>       0.00            +0.9        0.86        perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.do_vmi_munmap.do_munmap
>       0.00            +0.9        0.86        perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.mremap_to.__do_sys_mremap
>      84.88            +0.9       85.77        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.mremap
>      84.73            +0.9       85.62        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>       0.00            +0.9        0.92 ą  2%  perf-profile.calltrace.cycles-pp.mas_walk.mas_find.can_modify_mm.do_vmi_munmap.move_vma
>      83.84            +0.9       84.78        perf-profile.calltrace.cycles-pp.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>       0.00            +1.1        1.06        perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.mremap_to.__do_sys_mremap.do_syscall_64
>       0.00            +1.2        1.21        perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.do_vmi_munmap.do_munmap.mremap_to
>       2.07            +1.5        3.55        perf-profile.calltrace.cycles-pp.do_munmap.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe
>       1.58            +1.5        3.07        perf-profile.calltrace.cycles-pp.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap.do_syscall_64
>       0.00            +1.5        1.52        perf-profile.calltrace.cycles-pp.mas_find.can_modify_mm.do_vmi_munmap.move_vma.__do_sys_mremap
>       0.00            +1.6        1.57        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        1.72        perf-profile.calltrace.cycles-pp.can_modify_mm.do_vmi_munmap.do_munmap.mremap_to.__do_sys_mremap
>       0.00            +2.0        2.01        perf-profile.calltrace.cycles-pp.can_modify_mm.do_vmi_munmap.move_vma.__do_sys_mremap.do_syscall_64
>       5.39            +2.9        8.32        perf-profile.calltrace.cycles-pp.mremap_to.__do_sys_mremap.do_syscall_64.entry_SYSCALL_64_after_hwframe.mremap
>      75.29            -1.9       73.37        perf-profile.children.cycles-pp.move_vma
>      37.06            -1.6       35.50        perf-profile.children.cycles-pp.do_vmi_align_munmap
>      24.98            -1.2       23.80        perf-profile.children.cycles-pp.copy_vma
>      19.99            -1.0       19.02        perf-profile.children.cycles-pp.handle_softirqs
>      19.97            -1.0       19.00        perf-profile.children.cycles-pp.rcu_core
>      19.95            -1.0       18.98        perf-profile.children.cycles-pp.rcu_do_batch
>      19.98            -0.9       19.06        perf-profile.children.cycles-pp.__split_vma
>      17.55            -0.8       16.76        perf-profile.children.cycles-pp.kmem_cache_free
>      10.56 ą  2%      -0.8        9.79 ą  2%  perf-profile.children.cycles-pp.run_ksoftirqd
>      10.57 ą  2%      -0.8        9.80 ą  2%  perf-profile.children.cycles-pp.smpboot_thread_fn
>      15.38            -0.8       14.62        perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
>      10.62 ą  2%      -0.8        9.85 ą  2%  perf-profile.children.cycles-pp.kthread
>      10.62 ą  2%      -0.8        9.86 ą  2%  perf-profile.children.cycles-pp.ret_from_fork
>      10.62 ą  2%      -0.8        9.86 ą  2%  perf-profile.children.cycles-pp.ret_from_fork_asm
>      15.14            -0.7       14.44        perf-profile.children.cycles-pp.vma_merge
>      12.08            -0.5       11.55        perf-profile.children.cycles-pp.__slab_free
>      12.11            -0.5       11.62        perf-profile.children.cycles-pp.mas_wr_store_entry
>      10.86            -0.5       10.39        perf-profile.children.cycles-pp.vm_area_dup
>      11.89            -0.5       11.44        perf-profile.children.cycles-pp.mas_store_prealloc
>       8.49            -0.4        8.06        perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
>       9.88            -0.4        9.49        perf-profile.children.cycles-pp.mas_wr_node_store
>       7.91            -0.3        7.58        perf-profile.children.cycles-pp.move_page_tables
>       6.06            -0.3        5.78        perf-profile.children.cycles-pp.vm_area_free_rcu_cb
>       8.28            -0.3        8.00        perf-profile.children.cycles-pp.unmap_region
>       6.69            -0.3        6.42        perf-profile.children.cycles-pp.vma_complete
>       5.06            -0.3        4.80        perf-profile.children.cycles-pp.mas_preallocate
>       5.82            -0.2        5.57        perf-profile.children.cycles-pp.move_ptes
>       4.24            -0.2        4.01        perf-profile.children.cycles-pp.anon_vma_clone
>       3.50            -0.2        3.30        perf-profile.children.cycles-pp.down_write
>       2.44            -0.2        2.25        perf-profile.children.cycles-pp.find_vma_prev
>       3.46            -0.2        3.28        perf-profile.children.cycles-pp.___slab_alloc
>       3.45            -0.2        3.27        perf-profile.children.cycles-pp.free_pgtables
>       2.54            -0.2        2.37        perf-profile.children.cycles-pp.rcu_cblist_dequeue
>       3.35            -0.2        3.18        perf-profile.children.cycles-pp.__memcg_slab_free_hook
>       2.93            -0.2        2.78        perf-profile.children.cycles-pp.mas_alloc_nodes
>       2.28 ą  2%      -0.2        2.12 ą  2%  perf-profile.children.cycles-pp.vma_prepare
>       3.46            -0.1        3.32        perf-profile.children.cycles-pp.flush_tlb_mm_range
>       3.41            -0.1        3.27 ą  2%  perf-profile.children.cycles-pp.mod_objcg_state
>       2.76            -0.1        2.63        perf-profile.children.cycles-pp.unlink_anon_vmas
>       3.41            -0.1        3.28        perf-profile.children.cycles-pp.mas_store_gfp
>       2.21            -0.1        2.09        perf-profile.children.cycles-pp.__cond_resched
>       2.04            -0.1        1.94        perf-profile.children.cycles-pp.allocate_slab
>       2.10            -0.1        2.00        perf-profile.children.cycles-pp.__call_rcu_common
>       2.51            -0.1        2.40        perf-profile.children.cycles-pp.flush_tlb_func
>       1.04            -0.1        0.94        perf-profile.children.cycles-pp.mas_prev
>       2.71            -0.1        2.61        perf-profile.children.cycles-pp.mtree_load
>       2.23            -0.1        2.14        perf-profile.children.cycles-pp.native_flush_tlb_one_user
>       0.22 ą  5%      -0.1        0.13 ą 13%  perf-profile.children.cycles-pp.vm_stat_account
>       0.95            -0.1        0.87        perf-profile.children.cycles-pp.mas_prev_setup
>       1.65            -0.1        1.57        perf-profile.children.cycles-pp.mas_wr_walk
>       1.84            -0.1        1.76        perf-profile.children.cycles-pp.up_write
>       1.27            -0.1        1.20        perf-profile.children.cycles-pp.mas_prev_slot
>       1.84            -0.1        1.77        perf-profile.children.cycles-pp.vma_link
>       1.39            -0.1        1.32        perf-profile.children.cycles-pp.shuffle_freelist
>       0.96            -0.1        0.90 ą  2%  perf-profile.children.cycles-pp.rcu_all_qs
>       0.86            -0.1        0.80        perf-profile.children.cycles-pp._raw_spin_lock_irqsave
>       1.70            -0.1        1.64        perf-profile.children.cycles-pp.__get_unmapped_area
>       0.34 ą  3%      -0.1        0.29 ą  5%  perf-profile.children.cycles-pp.security_vm_enough_memory_mm
>       0.60            -0.0        0.55        perf-profile.children.cycles-pp.entry_SYSCALL_64
>       0.92            -0.0        0.87        perf-profile.children.cycles-pp.percpu_counter_add_batch
>       1.07            -0.0        1.02        perf-profile.children.cycles-pp.vma_to_resize
>       1.59            -0.0        1.54        perf-profile.children.cycles-pp.mas_update_gap
>       0.44 ą  2%      -0.0        0.40 ą  2%  perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
>       0.70            -0.0        0.66        perf-profile.children.cycles-pp.syscall_return_via_sysret
>       1.13            -0.0        1.09        perf-profile.children.cycles-pp.mt_find
>       0.20 ą  6%      -0.0        0.17 ą  9%  perf-profile.children.cycles-pp.cap_vm_enough_memory
>       0.99            -0.0        0.95        perf-profile.children.cycles-pp.mas_pop_node
>       0.63 ą  2%      -0.0        0.59        perf-profile.children.cycles-pp.security_mmap_addr
>       0.62            -0.0        0.59        perf-profile.children.cycles-pp.__put_partials
>       1.17            -0.0        1.14        perf-profile.children.cycles-pp.clear_bhb_loop
>       0.46            -0.0        0.43 ą  2%  perf-profile.children.cycles-pp.__alloc_pages_noprof
>       0.44            -0.0        0.41 ą  2%  perf-profile.children.cycles-pp.get_page_from_freelist
>       0.90            -0.0        0.87        perf-profile.children.cycles-pp.userfaultfd_unmap_complete
>       0.64 ą  2%      -0.0        0.62        perf-profile.children.cycles-pp.get_old_pud
>       1.07            -0.0        1.05        perf-profile.children.cycles-pp.mas_leaf_max_gap
>       0.22 ą  3%      -0.0        0.20 ą  2%  perf-profile.children.cycles-pp.__rmqueue_pcplist
>       0.55            -0.0        0.53        perf-profile.children.cycles-pp.refill_obj_stock
>       0.25            -0.0        0.23 ą  3%  perf-profile.children.cycles-pp.rmqueue
>       0.48            -0.0        0.45        perf-profile.children.cycles-pp.mremap_userfaultfd_prep
>       0.33            -0.0        0.30        perf-profile.children.cycles-pp.free_unref_page
>       0.46            -0.0        0.44        perf-profile.children.cycles-pp.setup_object
>       0.21 ą  3%      -0.0        0.19 ą  2%  perf-profile.children.cycles-pp.rmqueue_bulk
>       0.31 ą  3%      -0.0        0.29        perf-profile.children.cycles-pp.__vm_enough_memory
>       0.40            -0.0        0.38        perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
>       0.36            -0.0        0.35        perf-profile.children.cycles-pp.madvise_vma_behavior
>       0.54            -0.0        0.53 ą  2%  perf-profile.children.cycles-pp.mas_wr_end_piv
>       0.46            -0.0        0.44 ą  2%  perf-profile.children.cycles-pp.rcu_segcblist_enqueue
>       0.34            -0.0        0.32 ą  2%  perf-profile.children.cycles-pp.mas_destroy
>       0.28            -0.0        0.26 ą  3%  perf-profile.children.cycles-pp.mas_wr_store_setup
>       0.30            -0.0        0.28        perf-profile.children.cycles-pp.pte_offset_map_nolock
>       0.19            -0.0        0.18 ą  2%  perf-profile.children.cycles-pp.__thp_vma_allowable_orders
>       0.08 ą  4%      -0.0        0.07        perf-profile.children.cycles-pp.ksm_madvise
>       0.17            -0.0        0.16        perf-profile.children.cycles-pp.get_any_partial
>       0.08            -0.0        0.07        perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
>       0.45            +0.0        0.47        perf-profile.children.cycles-pp._raw_spin_lock
>       1.10            +0.0        1.14        perf-profile.children.cycles-pp.zap_pte_range
>       0.78            +0.1        0.85        perf-profile.children.cycles-pp.__madvise
>       0.63            +0.1        0.70        perf-profile.children.cycles-pp.__x64_sys_madvise
>       0.62            +0.1        0.70        perf-profile.children.cycles-pp.do_madvise
>       0.00            +0.1        0.09 ą  4%  perf-profile.children.cycles-pp.can_modify_mm_madv
>       1.32            +0.1        1.46        perf-profile.children.cycles-pp.mas_next_slot
>      88.13            +0.7       88.83        perf-profile.children.cycles-pp.mremap
>      83.94            +0.9       84.88        perf-profile.children.cycles-pp.__do_sys_mremap
>      86.06            +0.9       87.00        perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
>      85.56            +1.0       86.54        perf-profile.children.cycles-pp.do_syscall_64
>      40.49            +1.4       41.90        perf-profile.children.cycles-pp.do_vmi_munmap
>       2.10            +1.5        3.57        perf-profile.children.cycles-pp.do_munmap
>       3.62            +2.3        5.90        perf-profile.children.cycles-pp.mas_walk
>       5.44            +2.9        8.38        perf-profile.children.cycles-pp.mremap_to
>       5.30            +3.1        8.39        perf-profile.children.cycles-pp.mas_find
>       0.00            +5.4        5.40        perf-profile.children.cycles-pp.can_modify_mm
>      11.46            -0.5       10.96        perf-profile.self.cycles-pp.__slab_free
>       4.30            -0.2        4.08        perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
>       2.51            -0.2        2.34        perf-profile.self.cycles-pp.rcu_cblist_dequeue
>       2.41 ą  2%      -0.2        2.25        perf-profile.self.cycles-pp.down_write
>       2.21            -0.1        2.11        perf-profile.self.cycles-pp.native_flush_tlb_one_user
>       2.37            -0.1        2.28        perf-profile.self.cycles-pp.mtree_load
>       1.60            -0.1        1.51        perf-profile.self.cycles-pp.__memcg_slab_free_hook
>       0.18 ą  3%      -0.1        0.10 ą 15%  perf-profile.self.cycles-pp.vm_stat_account
>       1.25            -0.1        1.18        perf-profile.self.cycles-pp.move_vma
>       1.76            -0.1        1.69        perf-profile.self.cycles-pp.mod_objcg_state
>       1.42            -0.1        1.35 ą  2%  perf-profile.self.cycles-pp.__call_rcu_common
>       1.41            -0.1        1.34        perf-profile.self.cycles-pp.mas_wr_walk
>       1.52            -0.1        1.46        perf-profile.self.cycles-pp.up_write
>       1.02            -0.1        0.95        perf-profile.self.cycles-pp.mas_prev_slot
>       0.96            -0.1        0.90 ą  2%  perf-profile.self.cycles-pp.vm_area_free_rcu_cb
>       1.50            -0.1        1.45        perf-profile.self.cycles-pp.kmem_cache_free
>       0.69 ą  3%      -0.1        0.64 ą  2%  perf-profile.self.cycles-pp.rcu_all_qs
>       1.14 ą  2%      -0.1        1.09        perf-profile.self.cycles-pp.shuffle_freelist
>       1.10            -0.1        1.05        perf-profile.self.cycles-pp.__cond_resched
>       1.40            -0.0        1.35        perf-profile.self.cycles-pp.do_vmi_align_munmap
>       0.99            -0.0        0.94        perf-profile.self.cycles-pp.mas_preallocate
>       0.88            -0.0        0.83        perf-profile.self.cycles-pp.___slab_alloc
>       0.55            -0.0        0.50        perf-profile.self.cycles-pp.mremap_to
>       0.98            -0.0        0.93        perf-profile.self.cycles-pp.move_ptes
>       0.78            -0.0        0.74        perf-profile.self.cycles-pp.percpu_counter_add_batch
>       0.21 ą  2%      -0.0        0.18 ą  2%  perf-profile.self.cycles-pp.entry_SYSCALL_64
>       0.44 ą  2%      -0.0        0.40 ą  2%  perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
>       0.92            -0.0        0.89        perf-profile.self.cycles-pp.mas_store_gfp
>       0.86            -0.0        0.82        perf-profile.self.cycles-pp.mas_pop_node
>       0.50            -0.0        0.46        perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
>       1.15            -0.0        1.12        perf-profile.self.cycles-pp.clear_bhb_loop
>       1.14            -0.0        1.11        perf-profile.self.cycles-pp.vma_merge
>       0.66            -0.0        0.63        perf-profile.self.cycles-pp.__split_vma
>       0.16 ą  6%      -0.0        0.13 ą  7%  perf-profile.self.cycles-pp.cap_vm_enough_memory
>       0.82            -0.0        0.79        perf-profile.self.cycles-pp.mas_wr_store_entry
>       0.54 ą  2%      -0.0        0.52        perf-profile.self.cycles-pp.get_old_pud
>       0.43            -0.0        0.40        perf-profile.self.cycles-pp.do_munmap
>       0.51 ą  2%      -0.0        0.48 ą  2%  perf-profile.self.cycles-pp.security_mmap_addr
>       0.50            -0.0        0.48        perf-profile.self.cycles-pp.refill_obj_stock
>       0.24            -0.0        0.22        perf-profile.self.cycles-pp.mas_prev
>       0.71            -0.0        0.69        perf-profile.self.cycles-pp.unmap_page_range
>       0.48            -0.0        0.45        perf-profile.self.cycles-pp.find_vma_prev
>       0.42            -0.0        0.40        perf-profile.self.cycles-pp._raw_spin_lock_irqsave
>       0.66            -0.0        0.64        perf-profile.self.cycles-pp.mas_store_prealloc
>       0.31            -0.0        0.29        perf-profile.self.cycles-pp.mas_prev_setup
>       0.43            -0.0        0.41        perf-profile.self.cycles-pp.mas_wr_end_piv
>       0.78            -0.0        0.76        perf-profile.self.cycles-pp.userfaultfd_unmap_complete
>       0.28            -0.0        0.26 ą  2%  perf-profile.self.cycles-pp.mas_put_in_tree
>       0.42            -0.0        0.40        perf-profile.self.cycles-pp.mremap_userfaultfd_prep
>       0.28            -0.0        0.26        perf-profile.self.cycles-pp.free_pgtables
>       0.39            -0.0        0.37        perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
>       0.30 ą  2%      -0.0        0.28        perf-profile.self.cycles-pp.zap_pmd_range
>       0.32            -0.0        0.31        perf-profile.self.cycles-pp.unmap_vmas
>       0.21            -0.0        0.20        perf-profile.self.cycles-pp.__get_unmapped_area
>       0.18 ą  2%      -0.0        0.17 ą  2%  perf-profile.self.cycles-pp.lru_add_drain_cpu
>       0.06            -0.0        0.05        perf-profile.self.cycles-pp.ksm_madvise
>       0.45            +0.0        0.46        perf-profile.self.cycles-pp.do_vmi_munmap
>       0.37            +0.0        0.39        perf-profile.self.cycles-pp._raw_spin_lock
>       1.06            +0.1        1.18        perf-profile.self.cycles-pp.mas_next_slot
>       1.50            +0.5        1.97        perf-profile.self.cycles-pp.mas_find
>       0.00            +1.4        1.35        perf-profile.self.cycles-pp.can_modify_mm
>       3.13            +2.0        5.13        perf-profile.self.cycles-pp.mas_walk
>
>
> ***************************************************************************************************
> lkp-spr-r02: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
> =========================================================================================
> compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
>   gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-spr-r02/pkey/stress-ng/60s
>
> commit:
>   ff388fe5c4 ("mseal: wire up mseal syscall")
>   8be7258aad ("mseal: add mseal syscall")
>
> ff388fe5c481d39c 8be7258aad44b5e25977a98db13
> ---------------- ---------------------------
>          %stddev     %change         %stddev
>              \          |                \
>      10539            -2.5%      10273        vmstat.system.cs
>       0.28 ą  5%     -20.1%       0.22 ą  7%  sched_debug.cfs_rq:/.h_nr_running.stddev
>       1419 ą  7%     -15.3%       1202 ą  6%  sched_debug.cfs_rq:/.util_avg.max
>       0.28 ą  6%     -18.4%       0.23 ą  8%  sched_debug.cpu.nr_running.stddev
>  8.736e+08            -3.6%  8.423e+08        stress-ng.pkey.ops
>   14560560            -3.6%   14038795        stress-ng.pkey.ops_per_sec
>     770.39 ą  4%      -5.0%     732.04        stress-ng.time.user_time
>     244657 ą  3%      +5.8%     258782 ą  3%  proc-vmstat.nr_slab_unreclaimable
>   73133541            -2.1%   71588873        proc-vmstat.numa_hit
>   72873579            -2.1%   71357274        proc-vmstat.numa_local
>  1.842e+08            -2.5%  1.796e+08        proc-vmstat.pgalloc_normal
>  1.767e+08            -2.8%  1.717e+08        proc-vmstat.pgfree
>    1345346 ą 40%     -73.1%     362064 ą124%  numa-vmstat.node0.nr_inactive_anon
>    1345340 ą 40%     -73.1%     362062 ą124%  numa-vmstat.node0.nr_zone_inactive_anon
>    2420830 ą 14%     +35.1%    3270248 ą 16%  numa-vmstat.node1.nr_file_pages
>    2067871 ą 13%     +51.5%    3132982 ą 17%  numa-vmstat.node1.nr_inactive_anon
>     191406 ą 17%     +33.6%     255808 ą 14%  numa-vmstat.node1.nr_mapped
>       2452 ą 61%    +104.4%       5012 ą 35%  numa-vmstat.node1.nr_page_table_pages
>    2067853 ą 13%     +51.5%    3132966 ą 17%  numa-vmstat.node1.nr_zone_inactive_anon
>    5379238 ą 40%     -73.0%    1453605 ą123%  numa-meminfo.node0.Inactive
>    5379166 ą 40%     -73.0%    1453462 ą123%  numa-meminfo.node0.Inactive(anon)
>    8741077 ą 22%     -36.7%    5531290 ą 28%  numa-meminfo.node0.MemUsed
>    9651902 ą 13%     +35.8%   13105318 ą 16%  numa-meminfo.node1.FilePages
>    8239855 ą 13%     +52.4%   12556929 ą 17%  numa-meminfo.node1.Inactive
>    8239712 ą 13%     +52.4%   12556853 ą 17%  numa-meminfo.node1.Inactive(anon)
>     761944 ą 18%     +34.6%    1025906 ą 14%  numa-meminfo.node1.Mapped
>   11679628 ą 11%     +31.2%   15322841 ą 14%  numa-meminfo.node1.MemUsed
>       9874 ą 62%    +104.6%      20200 ą 36%  numa-meminfo.node1.PageTables
>       0.74            -4.2%       0.71        perf-stat.i.MPKI
>  1.245e+11            +2.3%  1.274e+11        perf-stat.i.branch-instructions
>       0.37            -0.0        0.35        perf-stat.i.branch-miss-rate%
>  4.359e+08            -2.1%  4.265e+08        perf-stat.i.branch-misses
>  4.672e+08            -2.6%  4.548e+08        perf-stat.i.cache-misses
>  7.276e+08            -2.7%  7.082e+08        perf-stat.i.cache-references
>       1.00            -1.6%       0.98        perf-stat.i.cpi
>       1364            +2.9%       1404        perf-stat.i.cycles-between-cache-misses
>  6.392e+11            +1.7%  6.499e+11        perf-stat.i.instructions
>       1.00            +1.6%       1.02        perf-stat.i.ipc
>       0.74            -4.3%       0.71        perf-stat.overall.MPKI
>       0.35            -0.0        0.33        perf-stat.overall.branch-miss-rate%
>       1.00            -1.6%       0.99        perf-stat.overall.cpi
>       1356            +2.9%       1395        perf-stat.overall.cycles-between-cache-misses
>       1.00            +1.6%       1.01        perf-stat.overall.ipc
>  1.209e+11            +1.9%  1.232e+11        perf-stat.ps.branch-instructions
>  4.188e+08            -2.6%  4.077e+08        perf-stat.ps.branch-misses
>  4.585e+08            -3.1%  4.441e+08        perf-stat.ps.cache-misses
>  7.124e+08            -3.1%  6.901e+08        perf-stat.ps.cache-references
>      10321            -2.6%      10053        perf-stat.ps.context-switches
>
>
>
>
>
> Disclaimer:
> Results have been estimated based on internal Intel analysis and are provided
> for informational purposes only. Any difference in system hardware or software
> design or configuration may affect actual performance.
>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ