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Message-ID: <20210514022633.GA31698@xsang-OptiPlex-9020>
Date:   Fri, 14 May 2021 10:26:33 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Joao Martins <joao.m.martins@...cle.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        John Hubbard <jhubbard@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Doug Ledford <dledford@...hat.com>,
        Matthew Wilcox <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com, ying.huang@...el.com, feng.tang@...el.com,
        zhengjun.xing@...el.com, guobing.chen@...el.com,
        ming.a.chen@...el.com, frank.du@...el.com, Shuhua.Fan@...el.com,
        wangyang.guo@...el.com, Wenhuan.Huang@...el.com,
        jessica.ji@...el.com, shan.kang@...el.com, guangli.li@...el.com,
        tiejun.li@...el.com, yu.ma@...el.com, dapeng1.mi@...el.com,
        jiebin.sun@...el.com, gengxin.xie@...el.com, fan.zhao@...el.com
Subject: [mm/gup]  31b912de13:  phoronix-test-suite.npb.FT.A.total_mop_s
 61.8% improvement



Greeting,

FYI, we noticed a 61.8% improvement of phoronix-test-suite.npb.FT.A.total_mop_s due to commit:


commit: 31b912de1316644040ca9a0fb9b514ffa462c20c ("mm/gup: decrement head page once for group of subpages")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master


in testcase: phoronix-test-suite
on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 128G memory
with following parameters:

	test: npb-1.3.1
	option_a: FT.A
	cpufreq_governor: performance
	ucode: 0x5003006

test-description: The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added.
test-url: http://www.phoronix-test-suite.com/

In addition to that, the commit also has significant impact on the following tests:

+------------------+---------------------------------------------------------------------------------+
| testcase: change | phoronix-test-suite: phoronix-test-suite.npb.FT.B.total_mop_s 67.9% improvement |
| test machine     | 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 128G memory  |
| test parameters  | cpufreq_governor=performance                                                    |
|                  | option_a=FT.B                                                                   |
|                  | test=npb-1.3.1                                                                  |
|                  | ucode=0x5003006                                                                 |
+------------------+---------------------------------------------------------------------------------+




Details are as below:
-------------------------------------------------------------------------------------------------->


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install                job.yaml  # job file is attached in this email
        bin/lkp split-job --compatible job.yaml  # generate the yaml file for lkp run
        bin/lkp run                    generated-yaml-file

=========================================================================================
compiler/cpufreq_governor/kconfig/option_a/rootfs/tbox_group/test/testcase/ucode:
  gcc-9/performance/x86_64-rhel-8.3/FT.A/debian-x86_64-phoronix/lkp-csl-2sp8/npb-1.3.1/phoronix-test-suite/0x5003006

commit: 
  8745d7f634 ("mm/gup: add compound page list iterator")
  31b912de13 ("mm/gup: decrement head page once for group of subpages")

8745d7f6346ca107 31b912de1316644040ca9a0fb9b 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      1772           +61.8%       2869        phoronix-test-suite.npb.FT.A.total_mop_s
     33.27           -16.2%      27.89        phoronix-test-suite.time.elapsed_time
     33.27           -16.2%      27.89        phoronix-test-suite.time.elapsed_time.max
      4037 ±  4%      -9.0%       3675 ±  5%  phoronix-test-suite.time.involuntary_context_switches
    667409            -7.7%     616334        phoronix-test-suite.time.minor_page_faults
      2011           -24.7%       1514        phoronix-test-suite.time.percent_of_cpu_this_job_got
    264.20           -40.1%     158.32        phoronix-test-suite.time.system_time
    405.29           -34.8%     264.31        phoronix-test-suite.time.user_time
 2.438e+09 ±  2%     -10.4%  2.184e+09        cpuidle.C1E.time
   5082140           -10.0%    4575868        cpuidle.C1E.usage
      7.06            -2.1        4.91        mpstat.cpu.all.sys%
     10.99            -2.6        8.41        mpstat.cpu.all.usr%
      2730 ±  5%     -11.7%       2410 ±  4%  slabinfo.fsnotify_mark_connector.active_objs
      2730 ±  5%     -11.7%       2410 ±  4%  slabinfo.fsnotify_mark_connector.num_objs
      6161 ± 78%     -56.9%       2658 ±  5%  softirqs.NET_RX
    354673 ±  7%     -14.5%     303117 ±  3%  softirqs.RCU
     10420 ± 13%     -36.2%       6648 ± 21%  numa-meminfo.node0.Active(anon)
   1282403 ±  6%     -22.4%     994508 ±  5%  numa-meminfo.node0.AnonHugePages
   1582881 ±  4%     -22.0%    1235332 ±  9%  numa-meminfo.node0.AnonPages
     13583 ±  4%     -21.9%      10611 ± 13%  numa-meminfo.node0.PageTables
   1217497 ±  6%     -22.5%     943365 ±  5%  numa-meminfo.node1.AnonHugePages
     78.17            +6.2%      83.00        vmstat.cpu.id
     11.50 ±  4%     -21.7%       9.00        vmstat.cpu.us
      2437           +18.0%       2876        vmstat.io.bi
     18.83 ±  7%     -22.1%      14.67 ±  3%  vmstat.procs.r
      9376 ±  2%     +14.6%      10743 ±  2%  vmstat.system.cs
     17391 ±  7%     -16.4%      14547 ±  4%  meminfo.Active(anon)
   2628150 ± 10%     -26.7%    1925597        meminfo.AnonHugePages
   2983160 ±  9%     -24.4%    2254776        meminfo.AnonPages
  11603333 ±  6%     -18.6%    9440776 ±  4%  meminfo.Committed_AS
   4841224 ±  5%     -15.0%    4114574        meminfo.Inactive
   3896500 ±  7%     -18.6%    3169834        meminfo.Inactive(anon)
   6370318 ±  4%     -11.5%    5637070        meminfo.Memused
     23945 ±  5%     -19.9%      19184        meminfo.PageTables
      2606 ± 13%     -36.2%       1661 ± 21%  numa-vmstat.node0.nr_active_anon
    395726 ±  4%     -21.9%     308870 ±  9%  numa-vmstat.node0.nr_anon_pages
    625.83 ±  6%     -22.5%     485.33 ±  5%  numa-vmstat.node0.nr_anon_transparent_hugepages
   8971231 ± 68%     -74.1%    2320961 ±200%  numa-vmstat.node0.nr_foll_pin_acquired
   8969656 ± 68%     -74.1%    2320780 ±200%  numa-vmstat.node0.nr_foll_pin_released
      3395 ±  4%     -21.9%       2652 ± 13%  numa-vmstat.node0.nr_page_table_pages
      2606 ± 13%     -36.3%       1661 ± 21%  numa-vmstat.node0.nr_zone_active_anon
    594.00 ±  6%     -22.6%     460.00 ±  5%  numa-vmstat.node1.nr_anon_transparent_hugepages
     15.96 ± 77%      -8.7        7.22 ±156%  perf-profile.calltrace.cycles-pp.mmput.begin_new_exec.load_elf_binary.exec_binprm.bprm_execve
     15.96 ± 77%      -8.7        7.22 ±156%  perf-profile.calltrace.cycles-pp.exit_mmap.mmput.begin_new_exec.load_elf_binary.exec_binprm
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.calltrace.cycles-pp.mmput.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.calltrace.cycles-pp.exit_mmap.mmput.do_exit.do_group_exit.__x64_sys_exit_group
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
      7.41 ±108%      -6.0        1.39 ±223%  perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.mmput.do_exit.do_group_exit
      8.62 ± 80%      -3.1        5.55 ±145%  perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.mmput.begin_new_exec.load_elf_binary
      8.62 ± 80%      -3.1        5.55 ±145%  perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.mmput.begin_new_exec
      1.51 ±223%     +11.6       13.12 ± 18%  perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
      1.51 ±223%     +11.6       13.12 ± 18%  perf-profile.calltrace.cycles-pp.get_signal.arch_do_signal_or_restart.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
      1.51 ±223%     +11.6       13.12 ± 18%  perf-profile.calltrace.cycles-pp.do_group_exit.get_signal.arch_do_signal_or_restart.exit_to_user_mode_prepare.syscall_exit_to_user_mode
      1.51 ±223%     +12.7       14.23 ± 25%  perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
      1.51 ±223%     +12.7       14.23 ± 25%  perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
      7.41 ±108%      -6.3        1.11 ±223%  perf-profile.children.cycles-pp.__x64_sys_exit_group
      1.51 ±223%     +12.7       14.23 ± 25%  perf-profile.children.cycles-pp.syscall_exit_to_user_mode
      5.36 ±109%      -4.0        1.39 ±223%  perf-profile.self.cycles-pp.zap_pte_range
      4347 ±  7%     -16.3%       3637 ±  4%  proc-vmstat.nr_active_anon
    745895 ±  9%     -24.4%     564177        proc-vmstat.nr_anon_pages
      1283 ± 10%     -26.7%     940.83        proc-vmstat.nr_anon_transparent_hugepages
  13478115            -5.9%   12681453        proc-vmstat.nr_foll_pin_acquired
  13475687            -5.9%   12680209        proc-vmstat.nr_foll_pin_released
    974234 ±  7%     -18.6%     792942        proc-vmstat.nr_inactive_anon
     20603            -2.3%      20136        proc-vmstat.nr_mapped
      5986 ±  5%     -19.9%       4796        proc-vmstat.nr_page_table_pages
      4347 ±  7%     -16.3%       3637 ±  4%  proc-vmstat.nr_zone_active_anon
    974234 ±  7%     -18.6%     792942        proc-vmstat.nr_zone_inactive_anon
    184879 ±  4%     -27.9%     133379        proc-vmstat.numa_hint_faults
    174130 ±  4%     -23.6%     133102        proc-vmstat.numa_hint_faults_local
     19620           -49.2%       9969        proc-vmstat.numa_huge_pte_updates
     86022 ±  4%     -30.1%      60147 ± 13%  proc-vmstat.numa_pages_migrated
  10220324           -48.8%    5236492        proc-vmstat.numa_pte_updates
     44801 ±  2%     +11.8%      50071        proc-vmstat.pgactivate
    843000            -7.9%     776723        proc-vmstat.pgfault
     86022 ±  4%     -30.1%      60147 ± 13%  proc-vmstat.pgmigrate_success
     36307 ±  2%      -8.1%      33361        proc-vmstat.pgreuse
      3.68 ±  2%      +8.4%       3.99 ±  2%  perf-stat.i.MPKI
 9.051e+09           -23.0%  6.971e+09        perf-stat.i.branch-instructions
      2.02            +0.3        2.30        perf-stat.i.branch-miss-rate%
  65928496           -10.1%   59280741        perf-stat.i.branch-misses
     21.94            -1.7       20.27 ±  2%  perf-stat.i.cache-miss-rate%
  45130628 ±  3%      +6.5%   48086526        perf-stat.i.cache-misses
 1.556e+08 ±  3%      +6.2%  1.653e+08        perf-stat.i.cache-references
     10191           +15.5%      11766 ±  3%  perf-stat.i.context-switches
 6.001e+10 ±  2%     -22.5%   4.65e+10        perf-stat.i.cpu-cycles
     89.98 ±  4%      +8.6%      97.70 ±  4%  perf-stat.i.cpu-migrations
      2477 ±  2%     +13.4%       2808 ±  4%  perf-stat.i.cycles-between-cache-misses
    301912 ±  7%     +15.2%     347761 ±  5%  perf-stat.i.dTLB-load-misses
 2.011e+10           -18.0%   1.65e+10        perf-stat.i.dTLB-loads
 8.536e+09           -21.3%  6.719e+09        perf-stat.i.dTLB-stores
     44.76            -2.9       41.86        perf-stat.i.iTLB-load-miss-rate%
   2034762 ±  3%      -7.0%    1892624 ±  2%  perf-stat.i.iTLB-load-misses
 5.571e+10           -17.3%  4.608e+10        perf-stat.i.instructions
     20342 ±  3%     -19.0%      16472 ±  3%  perf-stat.i.instructions-per-iTLB-miss
    266.68 ±  6%     +18.8%     316.77 ±  5%  perf-stat.i.major-faults
    625824 ±  2%     -22.4%     485370        perf-stat.i.metric.GHz
  3.95e+08           -19.7%  3.171e+08        perf-stat.i.metric.M/sec
     22471            +9.4%      24584        perf-stat.i.minor-faults
     68.65            -4.2       64.41 ±  3%  perf-stat.i.node-load-miss-rate%
   2287777 ±  2%     -18.0%    1876580 ±  3%  perf-stat.i.node-load-misses
   1279773 ±  3%     +15.1%    1473444 ±  3%  perf-stat.i.node-loads
   2732036 ±  3%     -35.6%    1759774        perf-stat.i.node-store-misses
  18822179 ±  4%     +24.1%   23362852 ±  2%  perf-stat.i.node-stores
     22738            +9.5%      24899        perf-stat.i.page-faults
    100846 ± 26%     -20.9%      79764        interrupts.CAL:Function_call_interrupts
     76508           -13.4%      66285        interrupts.CPU0.LOC:Local_timer_interrupts
    817.33 ± 35%    +250.4%       2864 ± 51%  interrupts.CPU1.CAL:Function_call_interrupts
     67899           -15.1%      57668        interrupts.CPU1.LOC:Local_timer_interrupts
     67407           -15.2%      57130        interrupts.CPU10.LOC:Local_timer_interrupts
     67416           -15.4%      57014        interrupts.CPU11.LOC:Local_timer_interrupts
     67195           -15.0%      57141        interrupts.CPU12.LOC:Local_timer_interrupts
     67262           -15.1%      57136        interrupts.CPU13.LOC:Local_timer_interrupts
    758.50 ± 37%     -26.4%     558.00 ±  2%  interrupts.CPU14.CAL:Function_call_interrupts
     67256           -14.5%      57483        interrupts.CPU14.LOC:Local_timer_interrupts
     67474           -15.2%      57246        interrupts.CPU15.LOC:Local_timer_interrupts
     67329           -15.4%      56991        interrupts.CPU16.LOC:Local_timer_interrupts
     67222           -14.8%      57263        interrupts.CPU17.LOC:Local_timer_interrupts
     67380           -15.1%      57183        interrupts.CPU18.LOC:Local_timer_interrupts
     67430           -15.3%      57132        interrupts.CPU19.LOC:Local_timer_interrupts
     67607           -15.5%      57119        interrupts.CPU2.LOC:Local_timer_interrupts
     67459           -15.3%      57108        interrupts.CPU20.LOC:Local_timer_interrupts
     67582           -15.4%      57150        interrupts.CPU21.LOC:Local_timer_interrupts
     67321           -15.1%      57162        interrupts.CPU22.LOC:Local_timer_interrupts
     67451           -15.2%      57228        interrupts.CPU23.LOC:Local_timer_interrupts
     67243           -15.1%      57114        interrupts.CPU24.LOC:Local_timer_interrupts
     67379           -14.8%      57377        interrupts.CPU25.LOC:Local_timer_interrupts
     67486           -15.0%      57357        interrupts.CPU26.LOC:Local_timer_interrupts
    756.50 ± 40%     -25.0%     567.00 ±  6%  interrupts.CPU27.CAL:Function_call_interrupts
     67518           -15.2%      57251        interrupts.CPU27.LOC:Local_timer_interrupts
     67464           -15.0%      57373        interrupts.CPU28.LOC:Local_timer_interrupts
     67448           -14.8%      57460        interrupts.CPU29.LOC:Local_timer_interrupts
     67450           -15.2%      57213        interrupts.CPU3.LOC:Local_timer_interrupts
     67342           -15.2%      57125        interrupts.CPU30.LOC:Local_timer_interrupts
     67493           -15.1%      57310        interrupts.CPU31.LOC:Local_timer_interrupts
     67354           -15.0%      57281        interrupts.CPU32.LOC:Local_timer_interrupts
    872.50 ± 26%     -31.8%     595.00 ± 10%  interrupts.CPU33.CAL:Function_call_interrupts
     67309           -14.9%      57259        interrupts.CPU33.LOC:Local_timer_interrupts
     67268           -14.9%      57242        interrupts.CPU34.LOC:Local_timer_interrupts
    221.67 ± 71%     -94.7%      11.83 ± 24%  interrupts.CPU34.TLB:TLB_shootdowns
    892.67 ± 27%     -26.5%     656.17 ± 12%  interrupts.CPU35.CAL:Function_call_interrupts
     67660           -15.0%      57503        interrupts.CPU35.LOC:Local_timer_interrupts
    171.67 ± 31%     -94.4%       9.67 ± 42%  interrupts.CPU35.TLB:TLB_shootdowns
     67345           -15.2%      57076        interrupts.CPU36.LOC:Local_timer_interrupts
     67310           -15.0%      57224        interrupts.CPU37.LOC:Local_timer_interrupts
     67227           -15.1%      57061        interrupts.CPU38.LOC:Local_timer_interrupts
      1058 ± 47%     -43.3%     600.00 ± 13%  interrupts.CPU39.CAL:Function_call_interrupts
     67429           -15.3%      57124        interrupts.CPU39.LOC:Local_timer_interrupts
     67560           -15.3%      57240        interrupts.CPU4.LOC:Local_timer_interrupts
     67340           -15.2%      57106        interrupts.CPU40.LOC:Local_timer_interrupts
    257.50 ± 84%     -78.1%      56.50 ±191%  interrupts.CPU40.TLB:TLB_shootdowns
    871.83 ± 29%     -29.9%     610.83 ± 10%  interrupts.CPU41.CAL:Function_call_interrupts
     67247           -15.1%      57122        interrupts.CPU41.LOC:Local_timer_interrupts
     67331           -15.0%      57206        interrupts.CPU42.LOC:Local_timer_interrupts
    220.50 ±122%     -87.8%      27.00 ±143%  interrupts.CPU42.TLB:TLB_shootdowns
     67258           -15.1%      57093        interrupts.CPU43.LOC:Local_timer_interrupts
    814.83 ± 47%     -28.1%     585.83 ±  2%  interrupts.CPU44.CAL:Function_call_interrupts
     67426           -15.6%      56941        interrupts.CPU44.LOC:Local_timer_interrupts
    847.00 ± 32%     -31.9%     576.67 ±  3%  interrupts.CPU45.CAL:Function_call_interrupts
     67319           -15.2%      57094        interrupts.CPU45.LOC:Local_timer_interrupts
     67210           -15.2%      57012        interrupts.CPU46.LOC:Local_timer_interrupts
    986.17 ± 39%     -40.3%     588.50 ±  4%  interrupts.CPU47.CAL:Function_call_interrupts
     67299           -15.0%      57210        interrupts.CPU47.LOC:Local_timer_interrupts
     67543           -15.7%      56916        interrupts.CPU48.LOC:Local_timer_interrupts
     67532           -15.5%      57085        interrupts.CPU49.LOC:Local_timer_interrupts
     67347           -15.2%      57083        interrupts.CPU5.LOC:Local_timer_interrupts
     67531           -15.5%      57087        interrupts.CPU50.LOC:Local_timer_interrupts
     67465           -15.4%      57075        interrupts.CPU51.LOC:Local_timer_interrupts
     67618           -15.5%      57166        interrupts.CPU52.LOC:Local_timer_interrupts
     67404           -14.9%      57367        interrupts.CPU53.LOC:Local_timer_interrupts
     67293           -14.9%      57243        interrupts.CPU54.LOC:Local_timer_interrupts
     67312           -15.0%      57206        interrupts.CPU55.LOC:Local_timer_interrupts
     67741           -15.1%      57511        interrupts.CPU56.LOC:Local_timer_interrupts
     67478           -15.1%      57291        interrupts.CPU57.LOC:Local_timer_interrupts
     67605           -15.0%      57487        interrupts.CPU58.LOC:Local_timer_interrupts
     67521           -15.3%      57177        interrupts.CPU59.LOC:Local_timer_interrupts
     67397           -15.3%      57085        interrupts.CPU6.LOC:Local_timer_interrupts
     67660           -15.7%      57067        interrupts.CPU60.LOC:Local_timer_interrupts
     67611           -15.5%      57109        interrupts.CPU61.LOC:Local_timer_interrupts
     67638           -15.4%      57209        interrupts.CPU62.LOC:Local_timer_interrupts
    816.83 ± 37%     -33.7%     541.50 ± 10%  interrupts.CPU63.CAL:Function_call_interrupts
     67616           -14.6%      57773        interrupts.CPU63.LOC:Local_timer_interrupts
     67561           -15.1%      57341        interrupts.CPU64.LOC:Local_timer_interrupts
     67539           -14.9%      57444        interrupts.CPU65.LOC:Local_timer_interrupts
     67688           -15.4%      57240        interrupts.CPU66.LOC:Local_timer_interrupts
     67808           -15.6%      57237        interrupts.CPU67.LOC:Local_timer_interrupts
    758.83 ± 44%     -29.4%     535.83 ± 14%  interrupts.CPU68.CAL:Function_call_interrupts
     67772           -15.5%      57247        interrupts.CPU68.LOC:Local_timer_interrupts
     67994           -15.5%      57427        interrupts.CPU69.LOC:Local_timer_interrupts
     67283           -15.2%      57059        interrupts.CPU7.LOC:Local_timer_interrupts
     67506           -15.3%      57184        interrupts.CPU70.LOC:Local_timer_interrupts
     68051           -16.0%      57185        interrupts.CPU71.LOC:Local_timer_interrupts
     67308           -15.0%      57245        interrupts.CPU72.LOC:Local_timer_interrupts
     67543           -15.1%      57314        interrupts.CPU73.LOC:Local_timer_interrupts
     67640           -15.2%      57372        interrupts.CPU74.LOC:Local_timer_interrupts
     67489           -14.9%      57433        interrupts.CPU75.LOC:Local_timer_interrupts
     67513           -14.9%      57481        interrupts.CPU76.LOC:Local_timer_interrupts
     67552           -15.0%      57399        interrupts.CPU77.LOC:Local_timer_interrupts
     67400           -15.2%      57134        interrupts.CPU78.LOC:Local_timer_interrupts
     67487           -15.1%      57293        interrupts.CPU79.LOC:Local_timer_interrupts
     67361           -15.2%      57135        interrupts.CPU8.LOC:Local_timer_interrupts
     67368           -15.0%      57254        interrupts.CPU80.LOC:Local_timer_interrupts
     67323           -14.9%      57299        interrupts.CPU81.LOC:Local_timer_interrupts
      1638 ± 48%     -50.5%     810.83 ± 29%  interrupts.CPU82.CAL:Function_call_interrupts
     67305           -15.1%      57164        interrupts.CPU82.LOC:Local_timer_interrupts
      1006 ± 63%     -75.6%     245.17 ±101%  interrupts.CPU82.TLB:TLB_shootdowns
     67651           -15.3%      57329        interrupts.CPU83.LOC:Local_timer_interrupts
     67499           -15.5%      57013        interrupts.CPU84.LOC:Local_timer_interrupts
     67259           -15.0%      57165        interrupts.CPU85.LOC:Local_timer_interrupts
     67235           -15.2%      56985        interrupts.CPU86.LOC:Local_timer_interrupts
     67349           -15.3%      57032        interrupts.CPU87.LOC:Local_timer_interrupts
    855.50 ± 24%     -31.6%     585.00 ±  3%  interrupts.CPU88.CAL:Function_call_interrupts
     67421           -15.4%      57032        interrupts.CPU88.LOC:Local_timer_interrupts
     67286           -15.1%      57101        interrupts.CPU89.LOC:Local_timer_interrupts
     67487           -15.4%      57116        interrupts.CPU9.LOC:Local_timer_interrupts
    889.50 ± 39%     -28.8%     633.33 ± 19%  interrupts.CPU90.CAL:Function_call_interrupts
     67710           -15.8%      57000        interrupts.CPU90.LOC:Local_timer_interrupts
    799.17 ± 32%     -30.2%     557.50 ±  6%  interrupts.CPU91.CAL:Function_call_interrupts
     67294           -15.2%      57037        interrupts.CPU91.LOC:Local_timer_interrupts
     67372           -15.4%      57026        interrupts.CPU92.LOC:Local_timer_interrupts
     67412           -15.2%      57139        interrupts.CPU93.LOC:Local_timer_interrupts
     67181           -15.1%      57006        interrupts.CPU94.LOC:Local_timer_interrupts
     67247           -14.6%      57416        interrupts.CPU95.LOC:Local_timer_interrupts
   6484161           -15.2%    5501075        interrupts.LOC:Local_timer_interrupts
    542.83 ±  8%     -21.1%     428.33 ±  8%  interrupts.RES:Rescheduling_interrupts
     27464           -21.1%      21669 ±  2%  interrupts.TLB:TLB_shootdowns


                                                                                
                     phoronix-test-suite.npb.FT.A.total_mop_s                   
                                                                                
  3000 +--------------------------------------------------------------------+   
       |O       O  O  O     O   O  OO  O OO  O OO O  OOO O                  |   
  2800 |-+OO OO  O  O  O O   OO             O      O                        |   
       |                                                                    |   
  2600 |-+                                                                  |   
       |                                                                    |   
  2400 |-+                                                                  |   
       |                                                                    |   
  2200 |-+                                                                  |   
       |                                                                    |   
  2000 |-+                                                                  |   
       |                                                                    |   
  1800 |+.++.++.++.++.++.++.+++.++.++.++.++.++.+ .+ .+++.++. +.++.++.++.++.+|   
       |                                        +  +        +               |   
  1600 +--------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                        phoronix-test-suite.time.user_time                      
                                                                                
  420 +---------------------------------------------------------------------+   
      |+.        .++.++.+ .+ .+ .+      +.    +  :+ :.++. +.++.++.+  ++.+ .+|   
  400 |-+++.++.++        +  +  +  +.++.+  ++.+   +  +    +               +  |   
  380 |-+                                                                   |   
      |                                                                     |   
  360 |-+                                                                   |   
  340 |-+                                                                   |   
      |                                                                     |   
  320 |-+                                                                   |   
  300 |-+                                                                   |   
      |                                                                     |   
  280 |-+                                                                   |   
  260 |O+OO OO OO OO OO O  OO O         O OO OO OO OO O  O                  |   
      |                  O     O OO OO O               O                    |   
  240 +---------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                       phoronix-test-suite.time.system_time                     
                                                                                
  280 +---------------------------------------------------------------------+   
      |+.    +.+                .+      +.     .+ .+       + :           +. |   
  260 |-+++.+   +.++.++.++.++.++  +.++.+  ++.++  +  +.++.++  +.++.++.++.+  +|   
      |                                                                     |   
  240 |-+                                                                   |   
      |                                                                     |   
  220 |-+                                                                   |   
      |                                                                     |   
  200 |-+                                                                   |   
      |                                                                     |   
  180 |-+                                                                   |   
      |                                                                     |   
  160 |O+OO OO  O OO OO O  OO O            O    OO OO OO O                  |   
      |        O         O     O OO OO OO O  OO                             |   
  140 +---------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
               phoronix-test-suite.time.percent_of_cpu_this_job_got             
                                                                                
  2100 +--------------------------------------------------------------------+   
       | .+   +.+ .++.+ .+ .+ +.  .+      +.  .++. +.  +.++.+ .++. +.+   +.+|   
  2000 |++ +.+   +     +  + : : ++  +.++.+  ++    +  ++      +    +   +.+   |   
  1900 |-+                  : :                                             |   
       |                    : :                                             |   
  1800 |-+                   ::                                             |   
  1700 |-+                   :                                              |   
       |                     :                                              |   
  1600 |-+                   :                                              |   
  1500 |O+ O OO OO OO  O O  O+O O   O     O OO    OO OOO O                  |   
       |              O   O      O O  OO O     OO                           |   
  1400 |-+                                                                  |   
  1300 |-+                   O                                              |   
       |  O                                                                 |   
  1200 +--------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                     phoronix-test-suite.time.minor_page_faults                 
                                                                                
  690000 +------------------------------------------------------------------+   
         |                                                  :      +        |   
  680000 |-+                                     +  +       :: +.+ ::       |   
  670000 |-+                                    +: ::      : : :  + :   +   |   
         |   +         +.    +        +      + +  :: :  +  : : :     + +:  :|   
  660000 |++ :+ +.+  .+  + .+ +.  .+ : : .+ : ::  +  +. ::.+  :       +  :.+|   
         | +:  +   :+     +     ++  :: ++  :: +        + +    +          +  |   
  650000 |-++      +                +      +                                |   
         |                                                                  |   
  640000 |-+                                                                |   
  630000 |-+                                                                |   
         |     O                                                            |   
  620000 |-+           O            O   O O         O                       |   
         |O OO  O O O    OO OOO O  O   O   O OOO OO  O OOO                  |   
  610000 +------------------------------------------------------------------+   
                                                                                
                                                                                
[*] bisect-good sample
[O] bisect-bad  sample

***************************************************************************************************
lkp-csl-2sp8: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 128G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/option_a/rootfs/tbox_group/test/testcase/ucode:
  gcc-9/performance/x86_64-rhel-8.3/FT.B/debian-x86_64-phoronix/lkp-csl-2sp8/npb-1.3.1/phoronix-test-suite/0x5003006

commit: 
  8745d7f634 ("mm/gup: add compound page list iterator")
  31b912de13 ("mm/gup: decrement head page once for group of subpages")

8745d7f6346ca107 31b912de1316644040ca9a0fb9b 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      1883           +67.9%       3161        phoronix-test-suite.npb.FT.B.total_mop_s
    173.55           -35.4%     112.14        phoronix-test-suite.time.elapsed_time
    173.55           -35.4%     112.14        phoronix-test-suite.time.elapsed_time.max
     13073 ±  2%     -31.0%       9026 ±  2%  phoronix-test-suite.time.involuntary_context_switches
    996712            +4.8%    1044747        phoronix-test-suite.time.minor_page_faults
      4218            -7.6%       3897        phoronix-test-suite.time.percent_of_cpu_this_job_got
      2871           -43.2%       1631        phoronix-test-suite.time.system_time
      4450           -38.5%       2739        phoronix-test-suite.time.user_time
    135389 ±100%     -58.9%      55607 ±  6%  cpuidle.C1.usage
     34326 ± 56%     -42.0%      19920 ± 11%  cpuidle.POLL.usage
    204163 ±  2%     -34.0%     134801        meminfo.Active
     95238 ±  4%     -71.4%      27223 ±  8%  meminfo.Active(anon)
    651335 ±  3%     -12.3%     571121 ±  4%  numa-numastat.node0.numa_hit
    509857 ±  4%     -14.7%     434809 ±  5%  numa-numastat.node1.numa_hit
      2272 ±  6%     +13.2%       2572 ±  3%  slabinfo.fsnotify_mark_connector.active_objs
      2272 ±  6%     +13.2%       2572 ±  3%  slabinfo.fsnotify_mark_connector.num_objs
    208.80           -29.4%     147.38        uptime.boot
     12013           -24.0%       9125        uptime.idle
      0.02 ± 17%      +0.0        0.03 ± 11%  mpstat.cpu.all.iowait%
      0.97 ±  4%      +0.1        1.06 ±  2%  mpstat.cpu.all.irq%
      0.04 ±  3%      +0.0        0.05 ±  4%  mpstat.cpu.all.soft%
     16.43            -2.4       14.07        mpstat.cpu.all.sys%
     62945 ± 38%     -75.8%      15241 ± 19%  numa-meminfo.node0.Active(anon)
  13522393 ±  2%      -9.0%   12307392 ±  2%  numa-meminfo.node0.Inactive
  12593029 ±  2%      -9.6%   11380322 ±  2%  numa-meminfo.node0.Inactive(anon)
  14393350 ±  3%      -8.8%   13121183 ±  2%  numa-meminfo.node0.MemUsed
     55.00            +6.1%      58.33        vmstat.cpu.id
     26.00            -5.8%      24.50 ±  3%  vmstat.cpu.us
    502.17           +52.8%     767.50        vmstat.io.bi
      3385 ±  2%     +26.3%       4276 ±  4%  vmstat.system.cs
     15736 ± 38%     -75.8%       3810 ± 19%  numa-vmstat.node0.nr_active_anon
   3148084 ±  2%      -9.6%    2845175 ±  2%  numa-vmstat.node0.nr_inactive_anon
     15736 ± 38%     -75.8%       3810 ± 19%  numa-vmstat.node0.nr_zone_active_anon
   3148075 ±  2%      -9.6%    2845164 ±  2%  numa-vmstat.node0.nr_zone_inactive_anon
   1490540 ± 14%     -12.5%    1303654 ±  9%  numa-vmstat.node0.numa_hit
     23454 ± 13%     -34.0%      15487 ± 10%  softirqs.CPU0.SCHED
     12635 ± 17%     -35.7%       8120 ± 22%  softirqs.CPU11.SCHED
     15163 ± 27%     -35.0%       9863 ± 33%  softirqs.CPU18.SCHED
     15391 ± 10%     -42.1%       8907 ± 38%  softirqs.CPU22.SCHED
     21047 ± 13%     -28.5%      15040 ± 12%  softirqs.CPU25.SCHED
     19013 ± 14%     -44.2%      10614 ± 25%  softirqs.CPU26.SCHED
     17972 ± 10%     -26.7%      13180 ± 29%  softirqs.CPU27.SCHED
     20835 ± 10%     -36.7%      13188 ± 15%  softirqs.CPU29.SCHED
     15286 ± 15%     -34.4%      10026 ± 15%  softirqs.CPU34.SCHED
     14291 ± 19%     -40.1%       8565 ± 32%  softirqs.CPU38.SCHED
     16513 ±  9%     -50.7%       8140 ± 28%  softirqs.CPU62.SCHED
     16758 ± 23%     -48.5%       8622 ± 20%  softirqs.CPU69.SCHED
     18223 ± 13%     -32.3%      12331 ± 22%  softirqs.CPU72.SCHED
     16762 ±  9%     -37.2%      10533 ± 22%  softirqs.CPU8.SCHED
     16681 ± 20%     -42.1%       9651 ± 26%  softirqs.CPU83.SCHED
     15815 ± 13%     -40.4%       9422 ± 13%  softirqs.CPU85.SCHED
     19757 ± 15%     -36.7%      12505 ± 20%  softirqs.CPU89.SCHED
   1375511 ±  2%     -28.2%     988096 ±  3%  softirqs.SCHED
     29878 ±  2%     -31.8%      20371 ±  9%  softirqs.TIMER
      0.00 ± 10%     +39.3%       0.01 ±  7%  perf-sched.sch_delay.avg.ms.futex_wait_queue_me.futex_wait.do_futex.__x64_sys_futex
      0.09 ± 41%     -71.7%       0.03 ±104%  perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork
      0.15 ± 16%     -88.3%       0.02 ± 19%  perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork
      0.09 ± 21%    +158.5%       0.24 ± 85%  perf-sched.sch_delay.max.ms.futex_wait_queue_me.futex_wait.do_futex.__x64_sys_futex
      0.04 ± 24%     +72.6%       0.06 ± 35%  perf-sched.sch_delay.max.ms.pipe_read.new_sync_read.vfs_read.ksys_read
      0.03 ± 12%     -78.0%       0.01 ± 28%  perf-sched.total_sch_delay.average.ms
      0.01 ± 13%    -100.0%       0.00        perf-sched.wait_and_delay.avg.ms.preempt_schedule_common.__cond_resched.down_read.process_vm_rw_core.isra
      0.67 ±223%   +1650.0%      11.67 ± 64%  perf-sched.wait_and_delay.count.devkmsg_read.vfs_read.ksys_read.do_syscall_64
      0.67 ±223%   +1650.0%      11.67 ± 64%  perf-sched.wait_and_delay.count.do_syslog.part.0.kmsg_read.vfs_read
    105.67 ± 13%     +57.1%     166.00 ± 14%  perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.__get_user_pages.__get_user_pages_remote.process_vm_rw_core
     71.00 ± 14%    -100.0%       0.00        perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.down_read.process_vm_rw_core.isra
     97.33 ±  5%     +38.7%     135.00 ±  6%  perf-sched.wait_and_delay.count.rcu_gp_kthread.kthread.ret_from_fork
    388.15 ±223%    +963.4%       4127 ± 70%  perf-sched.wait_and_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
    388.15 ±223%    +963.4%       4127 ± 70%  perf-sched.wait_and_delay.max.ms.do_syslog.part.0.kmsg_read.vfs_read
      1243 ± 39%    +232.0%       4129 ± 70%  perf-sched.wait_and_delay.max.ms.pipe_read.new_sync_read.vfs_read.ksys_read
      0.06 ±102%    -100.0%       0.00        perf-sched.wait_and_delay.max.ms.preempt_schedule_common.__cond_resched.down_read.process_vm_rw_core.isra
    697.32 ± 86%    +565.1%       4637 ± 56%  perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
    451.86 ±185%    +813.5%       4127 ± 70%  perf-sched.wait_time.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
    449.53 ±187%    +818.2%       4127 ± 70%  perf-sched.wait_time.max.ms.do_syslog.part.0.kmsg_read.vfs_read
      1243 ± 39%    +232.0%       4129 ± 70%  perf-sched.wait_time.max.ms.pipe_read.new_sync_read.vfs_read.ksys_read
      0.06 ±102%     -86.8%       0.01 ± 74%  perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.down_read.process_vm_rw_core.isra
    697.30 ± 86%    +565.1%       4637 ± 56%  perf-sched.wait_time.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
 9.824e+09            -5.7%  9.261e+09        perf-stat.i.branch-instructions
  59060351            -8.1%   54261925        perf-stat.i.branch-misses
  97507101           +38.3%  1.349e+08        perf-stat.i.cache-misses
  3.14e+08           +36.6%  4.289e+08        perf-stat.i.cache-references
      3317 ±  2%     +26.4%       4192 ±  4%  perf-stat.i.context-switches
      2.01 ±  3%     -20.6%       1.60        perf-stat.i.cpi
 1.212e+11            -7.0%  1.127e+11        perf-stat.i.cpu-cycles
     34.10 ±  3%     +20.8%      41.21 ±  2%  perf-stat.i.cpu-migrations
      1512 ±  3%     -16.1%       1269        perf-stat.i.cycles-between-cache-misses
 2.632e+10            +9.4%  2.881e+10 ±  2%  perf-stat.i.dTLB-loads
 9.092e+09            +7.5%  9.777e+09        perf-stat.i.dTLB-stores
   2593308            +9.5%    2839709        perf-stat.i.iTLB-load-misses
   2099364            +2.3%    2146798        perf-stat.i.iTLB-loads
 7.854e+10            +9.6%  8.606e+10        perf-stat.i.instructions
     30394            -5.6%      28685        perf-stat.i.instructions-per-iTLB-miss
      0.66           +15.5%       0.76        perf-stat.i.ipc
     54.88           +54.0%      84.53        perf-stat.i.major-faults
   1262451            -6.9%    1175061        perf-stat.i.metric.GHz
 4.753e+08            +6.0%   5.04e+08        perf-stat.i.metric.M/sec
      8962           +38.3%      12392        perf-stat.i.minor-faults
     65.43            -8.8       56.63        perf-stat.i.node-load-miss-rate%
   3458735            -8.1%    3178929 ±  2%  perf-stat.i.node-load-misses
   1911861           +41.6%    2707101        perf-stat.i.node-loads
   6061203           -10.9%    5399342        perf-stat.i.node-store-misses
  40829318           +61.6%   65961480        perf-stat.i.node-stores
      9017           +38.3%      12473        perf-stat.i.page-faults
     23809 ±  4%     -71.4%       6805 ±  8%  proc-vmstat.nr_active_anon
     27230            -1.2%      26894        proc-vmstat.nr_active_file
   5818014            -8.3%    5334534        proc-vmstat.nr_anon_pages
     11185            -8.5%      10236        proc-vmstat.nr_anon_transparent_hugepages
   2631685            +1.8%    2677781        proc-vmstat.nr_dirty_background_threshold
   5269806            +1.8%    5362110        proc-vmstat.nr_dirty_threshold
    515843            -3.2%     499299        proc-vmstat.nr_file_pages
  26246664            +1.8%   26708558        proc-vmstat.nr_free_pages
   6050522            -8.0%    5564919        proc-vmstat.nr_inactive_anon
     35889            -8.1%      32986        proc-vmstat.nr_page_table_pages
    252287            -6.5%     235951        proc-vmstat.nr_shmem
     28121            -1.4%      27718        proc-vmstat.nr_slab_reclaimable
     23809 ±  4%     -71.4%       6805 ±  8%  proc-vmstat.nr_zone_active_anon
     27230            -1.2%      26894        proc-vmstat.nr_zone_active_file
   6050523            -8.0%    5564919        proc-vmstat.nr_zone_inactive_anon
    439937           +10.9%     487862        proc-vmstat.numa_hint_faults
    413401           +14.3%     472600        proc-vmstat.numa_hint_faults_local
   1183593           -12.6%    1034257        proc-vmstat.numa_hit
    165828           +14.5%     189875        proc-vmstat.numa_huge_pte_updates
   1115497           -13.4%     966164        proc-vmstat.numa_local
    511118 ±  3%     -29.8%     358584 ±  6%  proc-vmstat.numa_pages_migrated
  85219759           +14.5%   97557490        proc-vmstat.numa_pte_updates
     87830 ±  3%     -36.3%      55908 ± 37%  proc-vmstat.pgactivate
  21700466            -1.4%   21394542        proc-vmstat.pgalloc_normal
   1741406           -10.0%    1567053        proc-vmstat.pgfault
  21591246            -1.8%   21211687        proc-vmstat.pgfree
    511118 ±  3%     -29.8%     358584 ±  6%  proc-vmstat.pgmigrate_success
    122484           -30.7%      84928        proc-vmstat.pgreuse
     19.64 ± 17%     -19.6        0.00        perf-profile.calltrace.cycles-pp.unpin_user_pages.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv.do_syscall_64
     19.58 ± 17%     -19.6        0.00        perf-profile.calltrace.cycles-pp.put_compound_head.unpin_user_pages.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv
      4.81 ± 18%      +5.7       10.55 ± 16%  perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.copyout.copy_page_to_iter.process_vm_rw_core.process_vm_rw
      4.85 ± 18%      +5.8       10.64 ± 16%  perf-profile.calltrace.cycles-pp.copyout.copy_page_to_iter.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv
      5.03 ± 18%      +5.9       10.96 ± 16%  perf-profile.calltrace.cycles-pp.copy_page_to_iter.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv.do_syscall_64
     20.42 ± 18%     +11.1       31.48 ± 17%  perf-profile.calltrace.cycles-pp.try_grab_page.follow_trans_huge_pmd.follow_pmd_mask.__get_user_pages.__get_user_pages_remote
     20.50 ± 18%     +11.1       31.63 ± 17%  perf-profile.calltrace.cycles-pp.follow_trans_huge_pmd.follow_pmd_mask.__get_user_pages.__get_user_pages_remote.process_vm_rw_core
     20.97 ± 18%     +11.4       32.41 ± 17%  perf-profile.calltrace.cycles-pp.follow_pmd_mask.__get_user_pages.__get_user_pages_remote.process_vm_rw_core.process_vm_rw
     21.12 ± 18%     +11.5       32.65 ± 17%  perf-profile.calltrace.cycles-pp.__get_user_pages.__get_user_pages_remote.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv
     21.12 ± 18%     +11.5       32.66 ± 17%  perf-profile.calltrace.cycles-pp.__get_user_pages_remote.process_vm_rw_core.process_vm_rw.__x64_sys_process_vm_readv.do_syscall_64
     19.64 ± 17%     -19.6        0.07 ± 12%  perf-profile.children.cycles-pp.unpin_user_pages
     19.59 ± 17%     -19.5        0.06 ± 47%  perf-profile.children.cycles-pp.put_compound_head
      0.04 ± 72%      +0.0        0.08 ± 11%  perf-profile.children.cycles-pp.__might_fault
      0.07 ± 21%      +0.0        0.12 ± 12%  perf-profile.children.cycles-pp.___might_sleep
      0.03 ± 70%      +0.0        0.08 ± 16%  perf-profile.children.cycles-pp.__cond_resched
      0.03 ± 70%      +0.0        0.08 ± 16%  perf-profile.children.cycles-pp.__might_sleep
      0.05 ± 71%      +0.1        0.10 ± 16%  perf-profile.children.cycles-pp.follow_page_mask
      4.85 ± 18%      +5.8       10.63 ± 16%  perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
      4.86 ± 18%      +5.8       10.65 ± 16%  perf-profile.children.cycles-pp.copyout
      5.05 ± 18%      +5.9       11.00 ± 16%  perf-profile.children.cycles-pp.copy_page_to_iter
     20.44 ± 18%     +11.1       31.51 ± 17%  perf-profile.children.cycles-pp.try_grab_page
     20.51 ± 18%     +11.1       31.64 ± 17%  perf-profile.children.cycles-pp.follow_trans_huge_pmd
     20.98 ± 18%     +11.4       32.42 ± 17%  perf-profile.children.cycles-pp.follow_pmd_mask
     21.12 ± 18%     +11.5       32.66 ± 17%  perf-profile.children.cycles-pp.__get_user_pages_remote
     21.12 ± 18%     +11.5       32.66 ± 17%  perf-profile.children.cycles-pp.__get_user_pages
     19.37 ± 17%     -19.3        0.04 ± 72%  perf-profile.self.cycles-pp.put_compound_head
      0.07 ± 18%      +0.0        0.11 ± 16%  perf-profile.self.cycles-pp.___might_sleep
      0.03 ± 99%      +0.0        0.07 ± 12%  perf-profile.self.cycles-pp.unpin_user_pages
      0.04 ± 72%      +0.1        0.09 ± 18%  perf-profile.self.cycles-pp.follow_page_mask
      0.06 ± 46%      +0.1        0.11 ± 14%  perf-profile.self.cycles-pp.process_vm_rw_core
      0.09 ± 17%      +0.1        0.15 ± 14%  perf-profile.self.cycles-pp.follow_pmd_mask
      0.08 ± 16%      +0.1        0.14 ± 17%  perf-profile.self.cycles-pp.copy_page_to_iter
      4.78 ± 19%      +5.7       10.48 ± 16%  perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
     20.23 ± 17%     +10.9       31.16 ± 17%  perf-profile.self.cycles-pp.try_grab_page
    350.00           -35.0%     227.33        interrupts.9:IO-APIC.9-fasteoi.acpi
    168065 ± 17%     -26.8%     123062        interrupts.CAL:Function_call_interrupts
    357931           -34.2%     235436        interrupts.CPU0.LOC:Local_timer_interrupts
    350.00           -35.0%     227.33        interrupts.CPU1.9:IO-APIC.9-fasteoi.acpi
    349335           -35.0%     226974        interrupts.CPU1.LOC:Local_timer_interrupts
    349499           -35.3%     225993        interrupts.CPU10.LOC:Local_timer_interrupts
    348523           -35.2%     225697        interrupts.CPU11.LOC:Local_timer_interrupts
    349064           -35.3%     225881        interrupts.CPU12.LOC:Local_timer_interrupts
      7216 ± 20%     -38.8%       4419 ± 48%  interrupts.CPU12.NMI:Non-maskable_interrupts
      7216 ± 20%     -38.8%       4419 ± 48%  interrupts.CPU12.PMI:Performance_monitoring_interrupts
    348865           -35.3%     225816        interrupts.CPU13.LOC:Local_timer_interrupts
      2354 ± 76%     -64.5%     835.67 ± 27%  interrupts.CPU14.CAL:Function_call_interrupts
    348391           -35.2%     225919        interrupts.CPU14.LOC:Local_timer_interrupts
    348913           -35.2%     226094        interrupts.CPU15.LOC:Local_timer_interrupts
    349192           -35.3%     226071        interrupts.CPU16.LOC:Local_timer_interrupts
    348735           -34.9%     226885        interrupts.CPU17.LOC:Local_timer_interrupts
    348717           -35.2%     225922        interrupts.CPU18.LOC:Local_timer_interrupts
      1860 ± 18%     -36.7%       1177 ± 17%  interrupts.CPU19.CAL:Function_call_interrupts
    348918           -35.2%     226212        interrupts.CPU19.LOC:Local_timer_interrupts
    348705           -35.1%     226408        interrupts.CPU2.LOC:Local_timer_interrupts
    348810           -35.2%     226037        interrupts.CPU20.LOC:Local_timer_interrupts
      1581 ± 30%     -38.6%     970.83 ± 25%  interrupts.CPU21.CAL:Function_call_interrupts
    349176           -35.3%     225984        interrupts.CPU21.LOC:Local_timer_interrupts
    349182           -35.3%     225997        interrupts.CPU22.LOC:Local_timer_interrupts
    348569           -35.2%     225929        interrupts.CPU23.LOC:Local_timer_interrupts
    348420           -35.2%     225849        interrupts.CPU24.LOC:Local_timer_interrupts
    348227           -35.1%     226068        interrupts.CPU25.LOC:Local_timer_interrupts
    348462           -35.0%     226368        interrupts.CPU26.LOC:Local_timer_interrupts
    348493           -35.1%     226055        interrupts.CPU27.LOC:Local_timer_interrupts
    348351           -35.1%     226081        interrupts.CPU28.LOC:Local_timer_interrupts
    348369           -35.1%     226075        interrupts.CPU29.LOC:Local_timer_interrupts
    348936           -35.1%     226615        interrupts.CPU3.LOC:Local_timer_interrupts
    348414           -35.2%     225934        interrupts.CPU30.LOC:Local_timer_interrupts
    348495           -35.2%     225999        interrupts.CPU31.LOC:Local_timer_interrupts
    348524           -35.1%     226338        interrupts.CPU32.LOC:Local_timer_interrupts
    348429           -35.0%     226316        interrupts.CPU33.LOC:Local_timer_interrupts
    348482           -35.2%     225944        interrupts.CPU34.LOC:Local_timer_interrupts
      5217 ± 40%     -36.1%       3333 ± 33%  interrupts.CPU34.NMI:Non-maskable_interrupts
      5217 ± 40%     -36.1%       3333 ± 33%  interrupts.CPU34.PMI:Performance_monitoring_interrupts
    348545           -35.2%     225991        interrupts.CPU35.LOC:Local_timer_interrupts
    348281           -35.1%     225884        interrupts.CPU36.LOC:Local_timer_interrupts
      1655 ± 31%     -35.4%       1070 ± 21%  interrupts.CPU37.CAL:Function_call_interrupts
    348620           -35.2%     226007        interrupts.CPU37.LOC:Local_timer_interrupts
    348281           -35.1%     225918        interrupts.CPU38.LOC:Local_timer_interrupts
    348433           -35.1%     225974        interrupts.CPU39.LOC:Local_timer_interrupts
    348653           -35.2%     226056        interrupts.CPU4.LOC:Local_timer_interrupts
    348505           -35.2%     225935        interrupts.CPU40.LOC:Local_timer_interrupts
    348518           -35.1%     226056        interrupts.CPU41.LOC:Local_timer_interrupts
    348249           -35.2%     225815        interrupts.CPU42.LOC:Local_timer_interrupts
      1824 ± 26%     -44.5%       1013 ± 21%  interrupts.CPU43.CAL:Function_call_interrupts
    348271           -35.1%     226004        interrupts.CPU43.LOC:Local_timer_interrupts
    348448           -35.1%     226033        interrupts.CPU44.LOC:Local_timer_interrupts
    348279           -35.1%     225870        interrupts.CPU45.LOC:Local_timer_interrupts
      1851 ±  9%     -35.3%       1197 ± 23%  interrupts.CPU46.CAL:Function_call_interrupts
    348413           -35.1%     226036        interrupts.CPU46.LOC:Local_timer_interrupts
    348365           -35.1%     226026        interrupts.CPU47.LOC:Local_timer_interrupts
      1895 ± 16%     -34.3%       1245 ±  8%  interrupts.CPU48.CAL:Function_call_interrupts
    348106           -35.1%     225860        interrupts.CPU48.LOC:Local_timer_interrupts
    348690           -35.0%     226626        interrupts.CPU49.LOC:Local_timer_interrupts
    349291           -35.3%     226020        interrupts.CPU5.LOC:Local_timer_interrupts
    348763           -35.1%     226209        interrupts.CPU50.LOC:Local_timer_interrupts
    349434           -35.1%     226654        interrupts.CPU51.LOC:Local_timer_interrupts
    348935           -35.2%     226169        interrupts.CPU52.LOC:Local_timer_interrupts
    349507           -35.2%     226352        interrupts.CPU53.LOC:Local_timer_interrupts
    349010           -35.2%     226095        interrupts.CPU54.LOC:Local_timer_interrupts
    348924           -35.0%     226716        interrupts.CPU55.LOC:Local_timer_interrupts
     13.33 ± 66%   +1156.2%     167.50 ± 90%  interrupts.CPU55.TLB:TLB_shootdowns
      1594 ± 21%     -37.5%     997.50 ± 22%  interrupts.CPU56.CAL:Function_call_interrupts
    348962           -35.1%     226316        interrupts.CPU56.LOC:Local_timer_interrupts
      1450 ± 12%     -33.6%     963.67 ± 23%  interrupts.CPU57.CAL:Function_call_interrupts
    348774           -35.1%     226275        interrupts.CPU57.LOC:Local_timer_interrupts
    348663           -35.0%     226520        interrupts.CPU58.LOC:Local_timer_interrupts
      1320 ± 27%     -33.2%     882.33 ± 16%  interrupts.CPU59.CAL:Function_call_interrupts
    349377           -35.1%     226596        interrupts.CPU59.LOC:Local_timer_interrupts
    348871           -35.3%     225850        interrupts.CPU6.LOC:Local_timer_interrupts
    349480           -35.3%     226023        interrupts.CPU60.LOC:Local_timer_interrupts
    348948           -35.0%     226914        interrupts.CPU61.LOC:Local_timer_interrupts
    348501           -35.2%     225847        interrupts.CPU62.LOC:Local_timer_interrupts
    348482           -35.1%     226331        interrupts.CPU63.LOC:Local_timer_interrupts
    348693           -35.1%     226128        interrupts.CPU64.LOC:Local_timer_interrupts
    349048           -35.3%     225745        interrupts.CPU65.LOC:Local_timer_interrupts
      1460 ± 20%     -33.6%     970.33 ± 19%  interrupts.CPU66.CAL:Function_call_interrupts
    348721           -35.0%     226749        interrupts.CPU66.LOC:Local_timer_interrupts
    348506           -35.1%     226244        interrupts.CPU67.LOC:Local_timer_interrupts
    348661           -35.2%     226049        interrupts.CPU68.LOC:Local_timer_interrupts
    348967           -35.2%     226256        interrupts.CPU69.LOC:Local_timer_interrupts
    348963           -35.1%     226332        interrupts.CPU7.LOC:Local_timer_interrupts
      1459 ± 22%     -38.2%     902.00 ± 23%  interrupts.CPU70.CAL:Function_call_interrupts
    348551           -35.1%     226112        interrupts.CPU70.LOC:Local_timer_interrupts
    348983           -35.1%     226501        interrupts.CPU71.LOC:Local_timer_interrupts
    348131           -35.1%     225908        interrupts.CPU72.LOC:Local_timer_interrupts
      3535 ± 18%     -54.3%       1615 ± 11%  interrupts.CPU73.CAL:Function_call_interrupts
    348763           -35.1%     226266        interrupts.CPU73.LOC:Local_timer_interrupts
      1931 ± 42%     -81.0%     367.00 ± 51%  interrupts.CPU73.TLB:TLB_shootdowns
    348704           -35.1%     226225        interrupts.CPU74.LOC:Local_timer_interrupts
    349000           -35.2%     226227        interrupts.CPU75.LOC:Local_timer_interrupts
    348709           -35.1%     226413        interrupts.CPU76.LOC:Local_timer_interrupts
    348620           -35.1%     226161        interrupts.CPU77.LOC:Local_timer_interrupts
    348432           -35.1%     225976        interrupts.CPU78.LOC:Local_timer_interrupts
    348645           -35.1%     226290        interrupts.CPU79.LOC:Local_timer_interrupts
    348519           -35.2%     225997        interrupts.CPU8.LOC:Local_timer_interrupts
    348297           -35.1%     225923        interrupts.CPU80.LOC:Local_timer_interrupts
    348481           -35.1%     226209        interrupts.CPU81.LOC:Local_timer_interrupts
      2236 ± 18%     -42.0%       1297 ± 33%  interrupts.CPU82.CAL:Function_call_interrupts
    348262           -35.2%     225809        interrupts.CPU82.LOC:Local_timer_interrupts
    348430           -35.2%     225879        interrupts.CPU83.LOC:Local_timer_interrupts
    348259           -35.1%     225941        interrupts.CPU84.LOC:Local_timer_interrupts
    348358           -35.1%     226016        interrupts.CPU85.LOC:Local_timer_interrupts
    348503           -35.2%     225755        interrupts.CPU86.LOC:Local_timer_interrupts
    348285           -35.2%     225841        interrupts.CPU87.LOC:Local_timer_interrupts
    348139           -35.1%     225808        interrupts.CPU88.LOC:Local_timer_interrupts
    348419           -35.2%     225796        interrupts.CPU89.LOC:Local_timer_interrupts
    348466           -35.1%     226066        interrupts.CPU9.LOC:Local_timer_interrupts
    348604           -35.2%     225892        interrupts.CPU90.LOC:Local_timer_interrupts
    348314           -35.1%     226069        interrupts.CPU91.LOC:Local_timer_interrupts
    348174           -35.1%     225802        interrupts.CPU92.LOC:Local_timer_interrupts
    348449           -35.2%     225844        interrupts.CPU93.LOC:Local_timer_interrupts
    348261           -35.1%     225893        interrupts.CPU94.LOC:Local_timer_interrupts
    348235           -35.2%     225723        interrupts.CPU95.LOC:Local_timer_interrupts
  33479298           -35.1%   21715759        interrupts.LOC:Local_timer_interrupts
      1267 ±  4%     -27.8%     915.33 ±  6%  interrupts.RES:Rescheduling_interrupts
     29009 ±  3%      -9.2%      26326 ±  2%  interrupts.TLB:TLB_shootdowns





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.


---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.12.0-11195-g31b912de1316" of type "text/plain" (173849 bytes)

View attachment "job-script" of type "text/plain" (7416 bytes)

View attachment "job.yaml" of type "text/plain" (4926 bytes)

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