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Date: Thu, 30 May 2024 15:03:45 +0800
From: Yafang Shao <laoar.shao@...il.com>
To: kernel test robot <oliver.sang@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com, linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>, Al Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, Waiman Long <longman@...hat.com>,
Matthew Wilcox <willy@...radead.org>, Wangkai <wangkai86@...wei.com>,
Colin Walters <walters@...bum.org>, linux-fsdevel@...r.kernel.org, ying.huang@...el.com,
feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linus:master] [vfs] 681ce86235: filebench.sum_operations/s -7.4% regression
On Wed, May 29, 2024 at 1:52 PM kernel test robot <oliver.sang@...el.com> wrote:
>
>
> hi, Yafang Shao,
>
> we captured this filebench regression after this patch is merged into mailine.
>
> we noticed there is difference with original version in
> https://lore.kernel.org/all/20240515091727.22034-1-laoar.shao@gmail.com/
>
> but we confirmed there is similar regression by origial version. details as
> below [1] FYI.
>
>
>
> Hello,
>
> kernel test robot noticed a -7.4% regression of filebench.sum_operations/s on:
>
>
> commit: 681ce8623567ba7e7333908e9826b77145312dda ("vfs: Delete the associated dentry when deleting a file")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
>
> [still regression on linus/master 2bfcfd584ff5ccc8bb7acde19b42570414bf880b]
>
>
> testcase: filebench
> test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory
> parameters:
>
> disk: 1HDD
> fs: ext4
> test: webproxy.f
> cpufreq_governor: performance
>
>
>
>
> 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/202405291318.4dfbb352-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/20240529/202405291318.4dfbb352-oliver.sang@intel.com
>
> =========================================================================================
> compiler/cpufreq_governor/disk/fs/kconfig/rootfs/tbox_group/test/testcase:
> gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/debian-12-x86_64-20240206.cgz/lkp-icl-2sp6/webproxy.f/filebench
>
> commit:
> 29c73fc794 ("Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://gitkernel.org/pub/scm/linux/kernel/git/perf/perf-tools")
> 681ce86235 ("vfs: Delete the associated dentry when deleting a file")
>
> 29c73fc794c83505 681ce8623567ba7e7333908e982
> ---------------- ---------------------------
> %stddev %change %stddev
> \ | \
> 31537383 ą 2% -75.1% 7846497 ą 4% cpuidle..usage
> 27.21 +1.4% 27.59 iostat.cpu.system
> 3830823 ą 5% -16.2% 3208825 ą 4% numa-numastat.node1.local_node
> 3916065 ą 5% -16.3% 3277633 ą 3% numa-numastat.node1.numa_hit
> 455641 -74.2% 117514 ą 4% vmstat.system.cs
> 90146 -34.9% 58712 vmstat.system.in
> 0.14 -0.0 0.12 ą 2% mpstat.cpu.all.irq%
> 0.07 -0.0 0.04 ą 2% mpstat.cpu.all.soft%
> 0.56 -0.2 0.36 ą 2% mpstat.cpu.all.usr%
> 2038 ą 6% -25.8% 1511 ą 3% perf-c2c.DRAM.local
> 20304 ą 14% -62.9% 7523 ą 2% perf-c2c.DRAM.remote
> 18850 ą 16% -71.0% 5470 ą 2% perf-c2c.HITM.local
> 13220 ą 15% -68.1% 4218 ą 3% perf-c2c.HITM.remote
> 32070 ą 15% -69.8% 9688 ą 2% perf-c2c.HITM.total
> 191435 ą 7% +37.3% 262935 ą 11% sched_debug.cfs_rq:/.avg_vruntime.stddev
> 191435 ą 7% +37.3% 262935 ą 11% sched_debug.cfs_rq:/.min_vruntime.stddev
> 285707 -72.1% 79601 ą 11% sched_debug.cpu.nr_switches.avg
> 344088 ą 2% -69.8% 103953 ą 9% sched_debug.cpu.nr_switches.max
> 206926 ą 8% -73.0% 55912 ą 15% sched_debug.cpu.nr_switches.min
> 26177 ą 10% -63.9% 9453 ą 10% sched_debug.cpu.nr_switches.stddev
> 5.00 ą 9% +21.2% 6.06 ą 6% sched_debug.cpu.nr_uninterruptible.stddev
> 497115 ą 40% -44.8% 274644 ą 44% numa-meminfo.node0.AnonPages
> 2037838 ą 26% -78.4% 440153 ą 49% numa-meminfo.node1.Active
> 2001934 ą 26% -79.8% 405182 ą 52% numa-meminfo.node1.Active(anon)
> 527723 ą 38% +42.4% 751463 ą 16% numa-meminfo.node1.AnonPages
> 3853109 ą 35% -85.5% 559704 ą 33% numa-meminfo.node1.FilePages
> 93331 ą 18% -58.7% 38529 ą 22% numa-meminfo.node1.Mapped
> 5189577 ą 27% -61.5% 1999161 ą 13% numa-meminfo.node1.MemUsed
> 2014284 ą 26% -78.2% 439808 ą 51% numa-meminfo.node1.Shmem
> 123485 ą 41% -45.0% 67888 ą 44% numa-vmstat.node0nr_anon_pages
> 500704 ą 26% -79.8% 101309 ą 52% numa-vmstat.node1nr_active_anon
> 131174 ą 38% +42.6% 187092 ą 16% numa-vmstat.node1nr_anon_pages
> 963502 ą 35% -85.5% 139952 ą 33% numa-vmstat.node1nr_file_pages
> 23724 ą 18% -59.2% 9690 ą 22% numa-vmstat.node1nr_mapped
> 503779 ą 26% -78.2% 109954 ą 51% numa-vmstat.node1nr_shmem
> 500704 ą 26% -79.8% 101309 ą 52% numa-vmstat.node1nr_zone_active_anon
> 3915420 ą 5% -16.3% 3276906 ą 3% numa-vmstat.node1numa_hit
> 3830177 ą 5% -16.2% 3208097 ą 4% numa-vmstat.node1numa_local
> 2431824 -65.5% 839190 ą 4% meminfo.Active
> 2357128 -67.3% 770208 ą 4% meminfo.Active(anon)
> 74695 ą 3% -7.6% 68981 ą 2% meminfo.Active(file)
> 5620559 -27.6% 4067556 meminfo.Cached
> 3838924 -40.4% 2286726 meminfo.Committed_AS
> 25660 ą 19% +25.8% 32289 ą 5% meminfo.Inactive(file)
> 141631 ą 5% -32.4% 95728 ą 4% meminfo.Mapped
> 8334057 -18.6% 6783406 meminfo.Memused
> 2390655 -64.9% 837973 ą 4% meminfo.Shmem
> 9824314 -15.2% 8328190 meminfo.max_used_kB
> 1893 -7.4% 1752 filebench.sum_bytes_mb/s
> 45921381 -7.4% 42512980 filebench.sum_operations
> 765287 -7.4% 708444 filebench.sum_operations/s
> 201392 -7.4% 186432 filebench.sum_reads/s
> 0.04 +263.5% 0.14 filebench.sum_time_ms/op
> 40278 -7.4% 37286 filebench.sum_writes/s
> 48591837 -7.4% 44996528 filebench.time.file_system_outputs
> 6443 ą 3% -88.7% 729.10 ą 4% filebench.time.involuntary_context_switches
> 3556 +1.4% 3605 filebench.time.percent_of_cpu_this_job_got
> 5677 +2.1% 5798 filebench.time.system_time
> 99.20 -41.4% 58.09 ą 2% filebench.time.user_time
> 37526666 -74.5% 9587296 ą 4% filebench.time.voluntary_context_switches
> 589410 -67.3% 192526 ą 4% proc-vmstat.nr_active_anon
> 18674 ą 3% -7.6% 17253 ą 2% proc-vmstat.nr_active_file
> 6075100 -7.4% 5625692 proc-vmstat.nr_dirtied
> 3065571 +1.3% 3104313 proc-vmstat.nr_dirty_background_threshold
> 6138638 +1.3% 6216217 proc-vmstat.nr_dirty_threshold
> 1407207 -27.6% 1019126 proc-vmstat.nr_file_pages
> 30829764 +1.3% 31217496 proc-vmstat.nr_free_pages
> 262267 +3.4% 271067 proc-vmstat.nr_inactive_anon
> 6406 ą 19% +26.1% 8076 ą 5% proc-vmstat.nr_inactive_file
> 35842 ą 5% -32.2% 24284 ą 4% proc-vmstat.nr_mapped
> 597809 -65.0% 209518 ą 4% proc-vmstat.nr_shmem
> 32422 -3.3% 31365 proc-vmstat.nr_slab_reclaimable
> 589410 -67.3% 192526 ą 4% proc-vmstat.nr_zone_active_anon
> 18674 ą 3% -7.6% 17253 ą 2% proc-vmstat.nr_zone_active_file
> 262267 +3.4% 271067 proc-vmstat.nr_zone_inactive_anon
> 6406 ą 19% +26.1% 8076 ą 5% proc-vmstat.nr_zone_inactive_file
> 100195 ą 10% -54.0% 46112 ą 10% proc-vmstat.numa_hint_faults
> 48654 ą 9% -50.1% 24286 ą 13% proc-vmstat.numa_hint_faults_local
> 7506558 -12.4% 6577262 proc-vmstat.numa_hit
> 7373151 -12.6% 6444638 proc-vmstat.numa_local
> 803560 ą 4% -6.4% 752097 ą 5% proc-vmstat.numa_pte_updates
> 4259084 -3.8% 4098506 proc-vmstat.pgactivate
> 7959837 -11.3% 7064279 proc-vmstat.pgalloc_normal
> 870736 -9.4% 789267 proc-vmstat.pgfault
> 7181295 -5.6% 6775640 proc-vmstat.pgfree
> 1.96 ą 2% -36.9% 1.23 perf-stat.i.MPKI
> 3.723e+09 +69.5% 6.309e+09 perf-stat.i.branch-instructions
> 2.70 -0.0 2.66 perf-stat.i.branch-miss-rate%
> 16048312 -38.4% 9889213 perf-stat.i.branch-misses
> 16.44 -2.0 14.42 perf-stat.i.cache-miss-rate%
> 43146188 -47.3% 22744395 ą 2% perf-stat.i.cache-misses
> 1.141e+08 -39.8% 68732731 perf-stat.i.cache-references
> 465903 -75.4% 114745 ą 4% perf-stat.i.context-switches
> 4.11 -36.6% 2.61 perf-stat.i.cpi
> 1.22e+11 -5.2% 1.157e+11 perf-stat.i.cpu-cycles
> 236.15 -18.3% 192.90 perf-stat.i.cpu-migrations
> 1997 ą 2% +40.1% 2798 perf-stat.i.cycles-between-cache-misses
> 1.644e+10 +90.3% 3.13e+10 perf-stat.i.instructions
> 0.38 +14.7% 0.43 perf-stat.i.ipc
> 3.63 -75.7% 0.88 ą 4% perf-stat.i.metric.K/sec
> 4592 ą 2% -11.6% 4057 perf-stat.i.minor-faults
> 4592 ą 2% -11.6% 4057 perf-stat.i.page-faults
> 2.62 -72.3% 0.73 ą 2% perf-stat.overall.MPKI
> 0.43 -0.3 0.16 perf-stat.overall.branch-miss-rate%
> 37.79 -4.6 33.22 perf-stat.overall.cache-miss-rate%
> 7.41 -50.1% 3.70 perf-stat.overall.cpi
> 2827 +80.1% 5092 ą 2% perf-stat.overall.cycles-between-cache-misses
> 0.13 +100.5% 0.27 perf-stat.overall.ipc
> 3.693e+09 +77.2% 6.544e+09 perf-stat.ps.branch-instructions
> 15913729 -36.1% 10173711 perf-stat.ps.branch-misses
> 42783592 -44.9% 23577137 ą 2% perf-stat.ps.cache-misses
> 1.132e+08 -37.3% 70963587 perf-stat.ps.cache-references
> 461953 -74.2% 118964 ą 4% perf-stat.ps.context-switches
> 234.44 -17.3% 193.77 perf-stat.ps.cpu-migrations
> 1.632e+10 +99.0% 3.246e+10 perf-stat.ps.instructions
> 4555 ą 2% -10.9% 4060 perf-stat.ps.minor-faults
> 4555 ą 2% -10.9% 4060 perf-stat.ps.page-faults
> 2.659e+12 +99.2% 5.299e+12 perf-stat.total.instructions
>
>
>
> [1]
>
> for patch in
> https://lore.kernel.org/all/20240515091727.22034-1-laoar.shao@gmail.com/
>
> we apply it upon
> 3c999d1ae3 ("Merge tag 'wq-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq")
>
> there is similar regression
>
>
> =========================================================================================
> compiler/cpufreq_governor/disk/fs/kconfig/rootfs/tbox_group/test/testcase:
> gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/debian-12-x86_64-20240206.cgz/lkp-icl-2sp6/webproxy.f/filebench
>
> commit:
> 3c999d1ae3 ("Merge tag 'wq-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq")
> 3681ce3644 ("vfs: Delete the associated dentry when deleting a file")
>
> 3c999d1ae3c75991 3681ce364442ce2ec7c7fbe90ad
> ---------------- ---------------------------
> %stddev %change %stddev
> \ | \
> 31.06 +2.8% 31.94 boot-time.boot
> 30573542 ą 2% -77.0% 7043084 ą 5% cpuidle..usage
> 27.25 +1.3% 27.61 iostat.cpu.system
> 0.14 -0.0 0.12 mpstat.cpu.all.irq%
> 0.07 -0.0 0.04 mpstat.cpu.all.soft%
> 0.56 -0.2 0.34 ą 2% mpstat.cpu.all.usr%
> 0.29 ą100% -77.4% 0.07 ą 28% vmstat.procs.b
> 448491 ą 2% -76.3% 106251 ą 5% vmstat.system.cs
> 90174 -36.5% 57279 vmstat.system.in
> 3460368 ą 4% -10.3% 3103696 ą 4% numa-numastat.node0.local_node
> 3522472 ą 4% -9.2% 3197492 ą 3% numa-numastat.node0.numa_hit
> 3928489 ą 4% -17.7% 3232163 ą 3% numa-numastat.node1.local_node
> 3998985 ą 3% -18.2% 3270980 ą 3% numa-numastat.node1.numa_hit
> 1968 ą 5% -23.2% 1511 perf-c2c.DRAM.local
> 16452 ą 22% -54.2% 7541 ą 4% perf-c2c.DRAM.remote
> 14780 ą 26% -64.0% 5321 ą 4% perf-c2c.HITM.local
> 10689 ą 24% -60.1% 4262 ą 5% perf-c2c.HITM.remote
> 25469 ą 25% -62.4% 9584 ą 4% perf-c2c.HITM.total
> 196899 ą 10% +31.1% 258125 ą 11% sched_debug.cfs_rq:/.avg_vruntime.stddev
> 196899 ą 10% +31.1% 258125 ą 11% sched_debug.cfs_rq:/.min_vruntime.stddev
> 299051 ą 12% -76.0% 71664 ą 15% sched_debug.cpu.nr_switches.avg
> 355466 ą 11% -73.4% 94490 ą 14% sched_debug.cpu.nr_switches.max
> 219349 ą 12% -76.6% 51435 ą 12% sched_debug.cpu.nr_switches.min
> 25523 ą 11% -67.4% 8322 ą 18% sched_debug.cpu.nr_switches.stddev
> 36526 ą 4% -16.4% 30519 ą 6% numa-meminfo.node0.Active(file)
> 897165 ą 14% -26.7% 657740 ą 9% numa-meminfo.node0.AnonPages.max
> 23571 ą 10% -14.5% 20159 ą 10% numa-meminfo.node0.Dirty
> 2134726 ą 10% -76.9% 493176 ą 35% numa-meminfo.node1.Active
> 2096208 ą 11% -78.3% 455673 ą 38% numa-meminfo.node1.Active(anon)
> 965352 ą 13% +23.5% 1192437 ą 2% numa-meminfo.node1.AnonPages.max
> 18386 ą 17% +23.8% 22761 ą 4% numa-meminfo.node1.Inactive(file)
> 2108104 ą 11% -76.7% 492042 ą 37% numa-meminfo.node1.Shmem
> 2395006 ą 2% -67.4% 779863 ą 3% meminfo.Active
> 2319964 ą 2% -69.3% 711848 ą 4% meminfo.Active(anon)
> 75041 ą 2% -9.4% 68015 ą 2% meminfo.Active(file)
> 5583921 -28.3% 4002297 meminfo.Cached
> 3802632 -41.5% 2224370 meminfo.Committed_AS
> 28940 ą 5% +13.6% 32890 ą 4% meminfo.Inactive(file)
> 134576 ą 6% -31.2% 92641 ą 3% meminfo.Mapped
> 8310087 -19.2% 6718172 meminfo.Memused
> 2354275 ą 2% -67.1% 775732 ą 4% meminfo.Shmem
> 9807659 -15.7% 8271698 meminfo.max_used_kB
> 1903 -9.3% 1725 filebench.sum_bytes_mb/s
> 46168615 -9.4% 41846487 filebench.sum_operations
> 769403 -9.4% 697355 filebench.sum_operations/s
> 202475 -9.4% 183514 filebench.sum_reads/s
> 0.04 +268.3% 0.14 filebench.sum_time_ms/op
> 40495 -9.4% 36703 filebench.sum_writes/s
> 48846906 -9.3% 44298468 filebench.time.file_system_outputs
> 6633 -89.4% 701.33 ą 6% filebench.time.involuntary_context_switches
> 3561 +1.3% 3607 filebench.time.percent_of_cpu_this_job_got
> 5686 +2.1% 5804 filebench.time.system_time
> 98.62 -44.2% 55.04 ą 2% filebench.time.user_time
> 36939924 ą 2% -76.6% 8653175 ą 5% filebench.time.voluntary_context_switches
> 9134 ą 4% -16.5% 7628 ą 6% numa-vmstat.node0nr_active_file
> 3141362 ą 3% -11.5% 2780445 ą 4% numa-vmstat.node0nr_dirtied
> 9134 ą 4% -16.5% 7628 ą 6% numa-vmstat.node0nr_zone_active_file
> 3522377 ą 4% -9.2% 3197360 ą 3% numa-vmstat.node0numa_hit
> 3460272 ą 4% -10.3% 3103565 ą 4% numa-vmstat.node0numa_local
> 524285 ą 11% -78.3% 113936 ą 38% numa-vmstat.node1nr_active_anon
> 4630 ą 17% +22.6% 5674 ą 4% numa-vmstat.node1nr_inactive_file
> 527242 ą 11% -76.7% 123018 ą 37% numa-vmstat.node1nr_shmem
> 524285 ą 11% -78.3% 113936 ą 38% numa-vmstat.node1nr_zone_active_anon
> 4630 ą 17% +22.5% 5674 ą 4% numa-vmstat.node1nr_zone_inactive_file
> 3998675 ą 3% -18.2% 3270307 ą 3% numa-vmstat.node1numa_hit
> 3928179 ą 4% -17.7% 3231491 ą 3% numa-vmstat.node1numa_local
> 1.82 ą 18% -0.5 1.28 ą 16% perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64
> 1.58 ą 8% -0.5 1.13 ą 18% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 1.53 ą 9% -0.4 1.13 ą 18% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 2.05 ą 7% -0.3 1.76 ą 11% perf-profile.calltrace.cycles-pp.update_sd_lb_stats.sched_balance_find_src_group.sched_balance_rq.sched_balance_newidle.balance_fair
> 3.80 ą 5% -0.3 3.52 ą 5% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
> 2.11 ą 11% +0.3 2.39 ą 4% perf-profile.calltrace.cycles-pp.sched_setaffinity.evlist_cpu_iterator__next.read_counters.process_interval.dispatch_events
> 3.55 ą 10% +0.3 3.86 ą 4% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
> 2.63 ą 9% +0.4 3.03 ą 6% perf-profile.calltrace.cycles-pp.evlist_cpu_iterator__next.read_counters.process_interval.dispatch_events.cmd_stat
> 3.47 ą 2% -0.6 2.86 ą 10% perf-profile.children.cycles-pp.vm_mmap_pgoff
> 3.30 ą 2% -0.6 2.73 ą 10% perf-profile.children.cycles-pp.do_mmap
> 3.02 ą 6% -0.6 2.46 ą 11% perf-profile.children.cycles-pp.mmap_region
> 2.34 ą 8% -0.6 1.80 ą 12% perf-profile.children.cycles-pp.ksys_mmap_pgoff
> 3.80 ą 5% -0.3 3.52 ą 5% perf-profile.children.cycles-pp.smpboot_thread_fn
> 0.29 ą 2% -0.1 0.17 ą 71% perf-profile.children.cycles-pp.acpi_evaluate_dsm
> 0.29 ą 2% -0.1 0.17 ą 71% perf-profile.children.cycles-pp.acpi_evaluate_object
> 0.29 ą 2% -0.1 0.17 ą 71% perf-profile.children.cycles-pp.acpi_nfit_ctl
> 0.29 ą 2% -0.1 0.17 ą 71% perf-profile.children.cycles-pp.acpi_nfit_query_poison
> 0.29 ą 2% -0.1 0.17 ą 71% perf-profile.children.cycles-pp.acpi_nfit_scrub
> 0.16 ą 36% -0.1 0.05 ą 44% perf-profile.children.cycles-pp._find_first_bit
> 0.10 ą 44% -0.1 0.03 ą100% perf-profile.children.cycles-pp.mtree_load
> 0.30 ą 25% +0.2 0.47 ą 13% perf-profile.children.cycles-pp.__update_blocked_fair
> 0.23 ą 55% -0.2 0.08 ą 70% perf-profile.selfcycles-pp.malloc
> 0.16 ą 40% -0.1 0.05 ą 44% perf-profile.selfcycles-pp._find_first_bit
> 0.19 ą 30% -0.1 0.09 ą 84% perf-profile.selfcycles-pp.d_alloc_parallel
> 0.86 ą 17% +0.3 1.12 ą 10% perf-profile.selfcycles-pp.menu_select
> 580113 ą 2% -69.3% 177978 ą 4% proc-vmstat.nr_active_anon
> 18761 ą 2% -9.3% 17008 ą 2% proc-vmstat.nr_active_file
> 6107024 -9.3% 5538417 proc-vmstat.nr_dirtied
> 3066271 +1.3% 3105966 proc-vmstat.nr_dirty_background_threshold
> 6140041 +1.3% 6219526 proc-vmstat.nr_dirty_threshold
> 1398313 -28.3% 1002802 proc-vmstat.nr_file_pages
> 30835864 +1.3% 31234154 proc-vmstat.nr_free_pages
> 262597 +2.8% 269986 proc-vmstat.nr_inactive_anon
> 7233 ą 5% +13.4% 8201 ą 4% proc-vmstat.nr_inactive_file
> 34066 ą 6% -31.1% 23487 ą 3% proc-vmstat.nr_mapped
> 588705 ą 2% -67.0% 193984 ą 4% proc-vmstat.nr_shmem
> 32476 -3.6% 31292 proc-vmstat.nr_slab_reclaimable
> 580113 ą 2% -69.3% 177978 ą 4% proc-vmstat.nr_zone_active_anon
> 18761 ą 2% -9.3% 17008 ą 2% proc-vmstat.nr_zone_active_file
> 262597 +2.8% 269986 proc-vmstat.nr_zone_inactive_anon
> 7233 ą 5% +13.4% 8201 ą 4% proc-vmstat.nr_zone_inactive_file
> 148417 ą 19% -82.3% 26235 ą 17% proc-vmstat.numa_hint_faults
> 76831 ą 23% -84.5% 11912 ą 33% proc-vmstat.numa_hint_faults_local
> 7524741 -14.0% 6471471 proc-vmstat.numa_hit
> 7392150 -14.2% 6338859 proc-vmstat.numa_local
> 826291 ą 4% -12.3% 724471 ą 4% proc-vmstat.numa_pte_updates
> 4284054 -6.1% 4024194 proc-vmstat.pgactivate
> 7979760 -12.9% 6948927 proc-vmstat.pgalloc_normal
> 917223 ą 2% -16.2% 768255 proc-vmstat.pgfault
> 7212208 -7.4% 6679624 proc-vmstat.pgfree
> 1.97 -39.5% 1.19 ą 2% perf-stat.i.MPKI
> 3.749e+09 +65.2% 6.195e+09 perf-stat.i.branch-instructions
> 2.69 -0.0 2.65 perf-stat.i.branch-miss-rate%
> 15906654 -39.7% 9595633 perf-stat.i.branch-misses
> 16.53 -2.2 14.37 perf-stat.i.cache-miss-rate%
> 43138175 -48.8% 22080984 ą 2% perf-stat.i.cache-misses
> 1.137e+08 -41.1% 67035007 ą 2% perf-stat.i.cache-references
> 458704 ą 2% -77.4% 103593 ą 6% perf-stat.i.context-switches
> 4.04 -39.3% 2.45 perf-stat.i.cpi
> 1.221e+11 -5.4% 1.155e+11 perf-stat.i.cpu-cycles
> 238.75 -19.5% 192.29 perf-stat.i.cpu-migrations
> 1960 +45.0% 2843 ą 2% perf-stat.i.cycles-between-cache-misses
> 1.678e+10 +103.7% 3.419e+10 perf-stat.i.instructions
> 0.39 +17.5% 0.46 perf-stat.i.ipc
> 3.58 ą 2% -77.8% 0.80 ą 6% perf-stat.i.metric.K/sec
> 4918 ą 3% -19.9% 3940 perf-stat.i.minor-faults
> 4918 ą 3% -19.9% 3940 perf-stat.i.page-faults
> 2.57 -74.9% 0.65 ą 2% perf-stat.overall.MPKI
> 0.42 -0.3 0.15 perf-stat.overall.branch-miss-rate%
> 37.92 -4.8 33.07 perf-stat.overall.cache-miss-rate%
> 7.27 -53.5% 3.38 perf-stat.overall.cpi
> 2830 +85.1% 5239 ą 2% perf-stat.overall.cycles-between-cache-misses
> 0.14 +115.0% 0.30 perf-stat.overall.ipc
> 3.72e+09 +72.8% 6.428e+09 perf-stat.ps.branch-instructions
> 15775403 -37.5% 9854215 perf-stat.ps.branch-misses
> 42773264 -46.5% 22897139 ą 2% perf-stat.ps.cache-misses
> 1.128e+08 -38.6% 69221969 ą 2% perf-stat.ps.cache-references
> 454754 ą 2% -76.4% 107434 ą 6% perf-stat.ps.context-switches
> 237.02 -18.5% 193.17 perf-stat.ps.cpu-migrations
> 1.666e+10 +113.0% 3.548e+10 perf-stat.ps.instructions
> 4878 ą 3% -19.3% 3937 perf-stat.ps.minor-faults
> 4878 ą 3% -19.3% 3937 perf-stat.ps.page-faults
> 2.715e+12 +113.5% 5.796e+12 perf-stat.total.instructions
>
>
> 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
>
Thanks for your report. I will try to reproduce it on my test machine.
--
Regards
Yafang
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