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Date:   Tue, 25 Dec 2018 08:35:32 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Josef Bacik <josef@...icpanda.com>
Cc:     0day robot <lkp@...el.com>, Johannes Weiner <hannes@...xchg.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [LKP] [filemap] 48dc11646a:  vm-scalability.throughput -9.5%
 regression

Greeting,

FYI, we noticed a -9.5% regression of vm-scalability.throughput due to commit:


commit: 48dc11646ad404e441179e9d48cc2139b1de6a24 ("filemap: drop the mmap_sem for all blocking operations")
https://github.com/0day-ci/linux UPDATE-20181214-093104/Josef-Bacik/drop-the-mmap_sem-when-doing-IO-in-the-fault-path/20181214-073658

in testcase: vm-scalability
on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory
with following parameters:

	runtime: 300s
	test: lru-file-mmap-read-rand
	cpufreq_governor: performance

test-description: The motivation behind this suite is to exercise functions and regions of the mm/ of the Linux kernel which are of interest to us.
test-url: https://git.kernel.org/cgit/linux/kernel/git/wfg/vm-scalability.git/



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 run     job.yaml

=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/runtime/tbox_group/test/testcase:
  gcc-7/performance/x86_64-rhel-7.2/debian-x86_64-2018-04-03.cgz/300s/lkp-bdw-ep2/lru-file-mmap-read-rand/vm-scalability

commit: 
  f3a1d5298a ("filemap: pass vm_fault to the mmap ra helpers")
  48dc11646a ("filemap: drop the mmap_sem for all blocking operations")

f3a1d5298a1ddaed 48dc11646ad404e441179e9d48 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      0.12 ±  3%     -27.1%       0.09 ±  2%  vm-scalability.free_time
     20552            -9.7%      18556        vm-scalability.median
      0.07 ± 10%   +1054.1%       0.78 ± 48%  vm-scalability.stddev
   1808804            -9.5%    1637219        vm-scalability.throughput
    381.59            -5.8%     359.57        vm-scalability.time.elapsed_time
    381.59            -5.8%     359.57        vm-scalability.time.elapsed_time.max
    591506            -5.9%     556579        vm-scalability.time.involuntary_context_switches
 9.345e+08           -95.2%   44848645        vm-scalability.time.major_page_faults
   2146973 ±  3%     -18.5%    1748942 ±  5%  vm-scalability.time.maximum_resident_set_size
     62893          +677.0%     488688        vm-scalability.time.minor_page_faults
      6812           +15.9%       7898        vm-scalability.time.percent_of_cpu_this_job_got
     25703           +10.4%      28379        vm-scalability.time.system_time
    291.80 ±  3%     -92.8%      21.13 ±  2%  vm-scalability.time.user_time
      5285 ±  2%     -71.4%       1512        vm-scalability.time.voluntary_context_switches
 5.444e+08            -1.3%  5.372e+08        vm-scalability.workload
  72342842            -2.1%   70857245        interrupts.CAL:Function_call_interrupts
    419.88            +3.5%     434.76        pmeter.Average_Active_Power
      4308           -12.6%       3765        pmeter.performance_per_watt
    853130 ± 17%    +218.7%    2719020 ±  3%  softirqs.RCU
   1107823 ±  3%     -44.6%     613497 ± 13%  softirqs.SCHED
 4.988e+09 ± 32%     -86.2%  6.876e+08 ± 96%  cpuidle.C6.time
   6762575           -87.7%     832245 ± 81%  cpuidle.C6.usage
   2153739 ±167%     -99.0%      20749 ± 14%  cpuidle.POLL.time
    202425 ±152%     -95.5%       9011 ± 12%  cpuidle.POLL.usage
     21.41 ±  2%     -11.3       10.06 ± 18%  mpstat.cpu.idle%
      0.03 ± 74%      +0.1        0.10 ±  2%  mpstat.cpu.soft%
     77.65           +12.1       89.72 ±  2%  mpstat.cpu.sys%
      0.92 ±  3%      -0.8        0.11 ±  6%  mpstat.cpu.usr%
      7.00           +39.3%       9.75 ±  8%  vmstat.memory.buff
  16321034 ±  2%     -45.7%    8865070 ± 27%  vmstat.memory.free
     70.50           +13.5%      80.00 ±  2%  vmstat.procs.r
      3654            -4.0%       3506        vmstat.system.cs
    341735 ±  7%      +8.2%     369854        vmstat.system.in
      2217           +13.8%       2523 ±  2%  turbostat.Avg_MHz
     79.57           +10.9       90.44        turbostat.Busy%
   6752761           -87.8%     825468 ± 82%  turbostat.C6
     14.82 ± 33%     -12.7        2.15 ± 98%  turbostat.C6%
      7.75 ± 33%     -43.4%       4.39 ± 25%  turbostat.CPU%c1
      9.60 ± 53%     -88.7%       1.09 ±118%  turbostat.CPU%c6
      6.89 ± 13%     -60.1%       2.75 ± 17%  turbostat.Pkg%pc2
    214.33            +5.0%     225.12        turbostat.PkgWatt
 4.303e+08           +54.2%  6.634e+08        numa-numastat.node0.local_node
  39651017 ±  3%     +19.5%   47390228        numa-numastat.node0.numa_foreign
 4.303e+08           +54.2%  6.634e+08        numa-numastat.node0.numa_hit
  37375189 ±  3%     +23.2%   46053218 ±  2%  numa-numastat.node0.numa_miss
  37386763 ±  3%     +23.2%   46064734 ±  2%  numa-numastat.node0.other_node
 4.307e+08           +55.8%   6.71e+08        numa-numastat.node1.local_node
  37375189 ±  3%     +23.2%   46053218 ±  2%  numa-numastat.node1.numa_foreign
 4.307e+08           +55.8%   6.71e+08        numa-numastat.node1.numa_hit
  39651017 ±  3%     +19.5%   47390228        numa-numastat.node1.numa_miss
  39656846 ±  3%     +19.5%   47396091        numa-numastat.node1.other_node
      8107 ±  7%     +12.9%       9150 ±  6%  slabinfo.kmalloc-512.active_objs
      8182 ±  6%     +13.3%       9272 ±  4%  slabinfo.kmalloc-512.num_objs
      1566 ± 18%     -24.0%       1189 ± 23%  slabinfo.mnt_cache.active_objs
      1566 ± 18%     -24.0%       1189 ± 23%  slabinfo.mnt_cache.num_objs
     11448 ±  7%     -28.2%       8217 ±  4%  slabinfo.proc_inode_cache.active_objs
     11698 ±  7%     -26.5%       8601 ±  4%  slabinfo.proc_inode_cache.num_objs
  14921320           -65.7%    5122948 ±  2%  slabinfo.radix_tree_node.active_objs
    269062           -63.8%      97383 ±  2%  slabinfo.radix_tree_node.active_slabs
  15051525           -63.8%    5443816 ±  2%  slabinfo.radix_tree_node.num_objs
    269062           -63.8%      97383 ±  2%  slabinfo.radix_tree_node.num_slabs
   1922093           -73.6%     507337        meminfo.Active
   1582608           -89.4%     168086        meminfo.Active(file)
  98694491           +12.9%  1.115e+08 ±  2%  meminfo.Cached
     29455           -42.4%      16956 ± 22%  meminfo.CmaFree
  96120058           +14.8%  1.103e+08 ±  2%  meminfo.Inactive
  96038460           +14.8%  1.102e+08 ±  2%  meminfo.Inactive(file)
   8657374           -63.5%    3162742 ±  2%  meminfo.KReclaimable
  84680398           -18.8%   68794429 ±  2%  meminfo.Mapped
  17180298 ±  2%     -47.7%    8980048 ± 29%  meminfo.MemFree
   6435029           +12.9%    7267370 ±  2%  meminfo.PageTables
   8657374           -63.5%    3162742 ±  2%  meminfo.SReclaimable
   8793999           -62.5%    3300102 ±  2%  meminfo.Slab
    277.90 ± 15%     -29.0%     197.45        sched_debug.cfs_rq:/.exec_clock.stddev
     13.57 ±  3%     +43.0%      19.40 ±  2%  sched_debug.cfs_rq:/.nr_spread_over.avg
     41.68 ± 10%     +38.9%      57.88 ± 10%  sched_debug.cfs_rq:/.nr_spread_over.stddev
    764.67           -49.1%     389.53 ±  3%  sched_debug.cfs_rq:/.util_est_enqueued.avg
      1466 ±  7%     -21.5%       1151 ±  6%  sched_debug.cfs_rq:/.util_est_enqueued.max
    305.29 ± 26%     -99.7%       0.83        sched_debug.cfs_rq:/.util_est_enqueued.min
    162.68 ± 11%     +56.9%     255.29        sched_debug.cfs_rq:/.util_est_enqueued.stddev
      8523           -16.8%       7092        sched_debug.cpu.nr_switches.avg
     15335 ±  8%     +44.9%      22215 ± 25%  sched_debug.cpu.nr_switches.max
      6135           -23.3%       4707        sched_debug.cpu.nr_switches.min
      1953 ±  7%     +44.9%       2830 ± 16%  sched_debug.cpu.nr_switches.stddev
      8940           -13.8%       7704        sched_debug.cpu.sched_count.avg
      5946           -24.3%       4501        sched_debug.cpu.sched_count.min
    111.38 ±  6%     -20.7%      88.30 ±  7%  sched_debug.cpu.sched_goidle.avg
     18.71 ± 57%     -81.7%       3.42 ±108%  sched_debug.cpu.sched_goidle.min
      3767           -17.8%       3095        sched_debug.cpu.ttwu_count.avg
      6628 ±  6%     +54.3%      10228 ± 26%  sched_debug.cpu.ttwu_count.max
      2517           -12.8%       2194        sched_debug.cpu.ttwu_count.min
    850.58 ±  8%     +41.8%       1206 ± 16%  sched_debug.cpu.ttwu_count.stddev
      5134 ±  4%     +91.0%       9805 ± 28%  sched_debug.cpu.ttwu_local.max
    647.52 ±  7%     +75.8%       1138 ± 21%  sched_debug.cpu.ttwu_local.stddev
    955375 ±  2%     -75.6%     233145 ± 16%  numa-meminfo.node0.Active
    798638           -89.5%      83955 ±  2%  numa-meminfo.node0.Active(file)
  49091311           +12.9%   55435668 ±  2%  numa-meminfo.node0.FilePages
  47810959           +14.8%   54880967 ±  2%  numa-meminfo.node0.Inactive
  47783818           +14.8%   54852687 ±  2%  numa-meminfo.node0.Inactive(file)
   4268630           -62.7%    1592915 ±  2%  numa-meminfo.node0.KReclaimable
      8053 ±  8%     +11.8%       9002 ±  4%  numa-meminfo.node0.KernelStack
  41991015           -18.7%   34155091 ±  2%  numa-meminfo.node0.Mapped
   8890951 ±  5%     -48.7%    4557426 ± 31%  numa-meminfo.node0.MemFree
    351.75 ± 65%    +164.7%     931.25 ± 11%  numa-meminfo.node0.Mlocked
   3141687           +17.0%    3676960 ±  2%  numa-meminfo.node0.PageTables
   4268630           -62.7%    1592915 ±  2%  numa-meminfo.node0.SReclaimable
   4336412           -61.6%    1666879 ±  2%  numa-meminfo.node0.Slab
    959515 ±  2%     -71.4%     274128 ± 13%  numa-meminfo.node1.Active
    776442 ±  2%     -89.2%      83982 ±  2%  numa-meminfo.node1.Active(file)
     21082 ±  5%     -52.4%      10031 ± 65%  numa-meminfo.node1.AnonHugePages
  49322233           +13.5%   55964018 ±  2%  numa-meminfo.node1.FilePages
  48034663           +15.3%   55361230 ±  2%  numa-meminfo.node1.Inactive
  47980224           +15.3%   55308414 ±  2%  numa-meminfo.node1.Inactive(file)
   4364164 ±  2%     -64.0%    1570171        numa-meminfo.node1.KReclaimable
  42131890           -18.1%   34522229 ±  2%  numa-meminfo.node1.Mapped
   8639732 ±  2%     -47.8%    4511111 ± 28%  numa-meminfo.node1.MemFree
   3250849           +10.0%    3576222 ±  2%  numa-meminfo.node1.PageTables
   4364164 ±  2%     -64.0%    1570171        numa-meminfo.node1.SReclaimable
   4433013           -63.2%    1633564        numa-meminfo.node1.Slab
 5.046e+12            +3.9%  5.243e+12        perf-stat.branch-instructions
      0.59            -0.3        0.29        perf-stat.branch-miss-rate%
 2.997e+10           -48.5%  1.543e+10        perf-stat.branch-misses
     27.67           -15.0       12.63        perf-stat.cache-miss-rate%
 3.825e+10           -52.8%  1.805e+10        perf-stat.cache-misses
 1.382e+11            +3.4%  1.429e+11        perf-stat.cache-references
   1395940            -8.8%    1272990        perf-stat.context-switches
      3.34            +5.9%       3.53        perf-stat.cpi
 7.431e+13            +8.4%  8.059e+13        perf-stat.cpu-cycles
     25159            -5.5%      23769 ±  2%  perf-stat.cpu-migrations
      0.29            -0.2        0.12        perf-stat.dTLB-load-miss-rate%
 1.635e+10           -56.0%  7.197e+09        perf-stat.dTLB-load-misses
 5.634e+12            +2.4%  5.771e+12        perf-stat.dTLB-loads
      0.03 ±  2%      -0.0        0.02 ±  4%  perf-stat.dTLB-store-miss-rate%
  6.14e+08 ±  3%     -48.8%  3.146e+08 ±  5%  perf-stat.dTLB-store-misses
 1.762e+12           -18.7%  1.432e+12        perf-stat.dTLB-stores
     94.46            -8.3       86.12        perf-stat.iTLB-load-miss-rate%
 2.586e+09 ±  3%     -74.2%  6.682e+08 ±  2%  perf-stat.iTLB-load-misses
 1.517e+08 ±  5%     -29.1%  1.076e+08 ±  7%  perf-stat.iTLB-loads
 2.226e+13            +2.4%   2.28e+13        perf-stat.instructions
      8616 ±  3%    +296.3%      34147 ±  2%  perf-stat.instructions-per-iTLB-miss
      0.30            -5.6%       0.28        perf-stat.ipc
 9.345e+08           -95.2%   44848645        perf-stat.major-faults
    965378           +42.3%    1373997        perf-stat.minor-faults
     51.17            -3.1       48.05        perf-stat.node-load-miss-rate%
 9.876e+09           -69.9%  2.972e+09        perf-stat.node-load-misses
 9.423e+09           -65.9%  3.213e+09        perf-stat.node-loads
     44.36            -7.9       36.42        perf-stat.node-store-miss-rate%
 3.391e+09           -33.1%  2.267e+09        perf-stat.node-store-misses
 4.255e+09            -7.0%  3.959e+09        perf-stat.node-stores
 9.355e+08           -95.1%   46222658        perf-stat.page-faults
     40896            +3.8%      42441        perf-stat.path-length
    199127           -89.5%      20942 ±  2%  numa-vmstat.node0.nr_active_file
  12240314           +13.0%   13826734 ±  2%  numa-vmstat.node0.nr_file_pages
   2261502 ±  4%     -48.0%    1175164 ± 31%  numa-vmstat.node0.nr_free_pages
  11913896           +14.8%   13681031 ±  2%  numa-vmstat.node0.nr_inactive_file
      8052 ±  8%     +11.7%       8995 ±  4%  numa-vmstat.node0.nr_kernel_stack
  10450116           -18.5%    8512102 ±  2%  numa-vmstat.node0.nr_mapped
     88.50 ± 65%    +163.3%     233.00 ± 11%  numa-vmstat.node0.nr_mlock
    781949           +17.2%     916184 ±  2%  numa-vmstat.node0.nr_page_table_pages
   1064405           -62.6%     397596 ±  2%  numa-vmstat.node0.nr_slab_reclaimable
    199104           -89.5%      20943 ±  2%  numa-vmstat.node0.nr_zone_active_file
  11913779           +14.8%   13680979 ±  2%  numa-vmstat.node0.nr_zone_inactive_file
 2.832e+08           +33.1%  3.769e+08 ±  2%  numa-vmstat.node0.numa_hit
 2.832e+08           +33.1%  3.769e+08 ±  2%  numa-vmstat.node0.numa_local
  22302329 ±  4%     +12.1%   25008317 ±  2%  numa-vmstat.node0.numa_miss
  22314719 ±  4%     +12.1%   25020155 ±  2%  numa-vmstat.node0.numa_other
    127045           -91.3%      11097        numa-vmstat.node0.workingset_activate
      2202 ±173%  +5.2e+05%   11464801 ±  2%  numa-vmstat.node0.workingset_nodereclaim
   1337989           +21.7%    1627764 ±  2%  numa-vmstat.node0.workingset_nodes
  79616893           -53.3%   37191188 ±  2%  numa-vmstat.node0.workingset_refault
      1649 ±  8%     -99.8%       3.00 ± 97%  numa-vmstat.node0.workingset_restore
    193685 ±  2%     -89.2%      20949 ±  2%  numa-vmstat.node1.nr_active_file
  12299059           +13.4%   13953274 ±  2%  numa-vmstat.node1.nr_file_pages
      7573           -42.8%       4332 ± 24%  numa-vmstat.node1.nr_free_cma
   2197262           -46.8%    1168841 ± 28%  numa-vmstat.node1.nr_free_pages
  11963989           +15.3%   13789386 ±  2%  numa-vmstat.node1.nr_inactive_file
  10487860           -18.0%    8598884 ±  2%  numa-vmstat.node1.nr_mapped
    809178           +10.1%     891301 ±  2%  numa-vmstat.node1.nr_page_table_pages
   1088566 ±  2%     -64.0%     391927 ±  2%  numa-vmstat.node1.nr_slab_reclaimable
    193685 ±  2%     -89.2%      20949 ±  2%  numa-vmstat.node1.nr_zone_active_file
  11963951           +15.3%   13789323 ±  2%  numa-vmstat.node1.nr_zone_inactive_file
  22306203 ±  4%     +12.1%   25012099 ±  2%  numa-vmstat.node1.numa_foreign
 2.836e+08           +34.5%  3.814e+08        numa-vmstat.node1.numa_hit
 2.835e+08           +34.5%  3.813e+08        numa-vmstat.node1.numa_local
    123831           -91.4%      10707 ±  6%  numa-vmstat.node1.workingset_activate
     56126 ±110%  +18982.1%   10710099 ±  2%  numa-vmstat.node1.workingset_nodereclaim
   1357699 ±  2%     +20.7%    1638071 ±  2%  numa-vmstat.node1.workingset_nodes
  79679425           -50.3%   39577975        numa-vmstat.node1.workingset_refault
      1449 ±  6%     -99.9%       1.75 ± 84%  numa-vmstat.node1.workingset_restore
    254570            +6.5%     271109        proc-vmstat.allocstall_movable
      1304 ±  7%    +547.6%       8449 ±  2%  proc-vmstat.allocstall_normal
    384.00 ±110%   +1144.3%       4778 ± 91%  proc-vmstat.compact_daemon_migrate_scanned
      8947 ± 49%     +83.0%      16376 ± 21%  proc-vmstat.compact_migrate_scanned
    280.00 ±  7%     -71.9%      78.75 ± 25%  proc-vmstat.kswapd_high_wmark_hit_quickly
      3467           +74.4%       6046        proc-vmstat.kswapd_low_wmark_hit_quickly
    394755           -89.4%      41972        proc-vmstat.nr_active_file
   2852371            +4.0%    2965744        proc-vmstat.nr_dirty_background_threshold
   5711720            +4.0%    5938741        proc-vmstat.nr_dirty_threshold
  24631585           +13.0%   27836594 ±  2%  proc-vmstat.nr_file_pages
      7457           -42.8%       4263 ± 24%  proc-vmstat.nr_free_cma
   4345960 ±  2%     -47.5%    2279894 ± 29%  proc-vmstat.nr_free_pages
  23968354           +14.8%   27527081 ±  2%  proc-vmstat.nr_inactive_file
    760.50            +3.5%     787.00 ±  2%  proc-vmstat.nr_isolated_file
     15751            +2.4%      16135        proc-vmstat.nr_kernel_stack
  21096689           -18.6%   17171082 ±  2%  proc-vmstat.nr_mapped
   1603148           +13.1%    1813706 ±  2%  proc-vmstat.nr_page_table_pages
     41524            -1.7%      40805        proc-vmstat.nr_shmem
   2161162           -63.4%     790160 ±  2%  proc-vmstat.nr_slab_reclaimable
    137.50           -33.6%      91.25        proc-vmstat.nr_vmscan_immediate_reclaim
    394720           -89.4%      41973        proc-vmstat.nr_zone_active_file
  23968300           +14.8%   27527095 ±  2%  proc-vmstat.nr_zone_inactive_file
  77026206 ±  3%     +21.3%   93443446        proc-vmstat.numa_foreign
      2803 ± 33%    +128.3%       6400 ± 52%  proc-vmstat.numa_hint_faults
  8.61e+08           +55.0%  1.334e+09        proc-vmstat.numa_hit
  8.61e+08           +55.0%  1.334e+09        proc-vmstat.numa_local
  77026206 ±  3%     +21.3%   93443446        proc-vmstat.numa_miss
  77043607 ±  3%     +21.3%   93460831        proc-vmstat.numa_other
      3782           +63.1%       6169        proc-vmstat.pageoutrun
  11826522           -96.3%     440588        proc-vmstat.pgactivate
  12851963           +35.8%   17451710        proc-vmstat.pgalloc_dma32
 9.274e+08           +52.2%  1.411e+09        proc-vmstat.pgalloc_normal
  11685199           -96.6%     399017        proc-vmstat.pgdeactivate
 9.355e+08           -90.3%   91120084        proc-vmstat.pgfault
 9.402e+08           +51.9%  1.428e+09        proc-vmstat.pgfree
 9.345e+08           -95.2%   44848645        proc-vmstat.pgmajfault
  11685199           -96.6%     399017        proc-vmstat.pgrefill
 1.779e+09           +12.8%  2.006e+09        proc-vmstat.pgscan_direct
  61892678           +13.3%   70103257        proc-vmstat.pgscan_kswapd
  8.87e+08           +51.7%  1.346e+09        proc-vmstat.pgsteal_direct
  18790387          +141.1%   45309429        proc-vmstat.pgsteal_kswapd
    666677 ± 63%   +9170.8%   61806264        proc-vmstat.slabs_scanned
    249712           -91.3%      21714 ±  3%  proc-vmstat.workingset_activate
     58284 ±106%  +37789.9%   22083863 ±  2%  proc-vmstat.workingset_nodereclaim
   2707516           +20.9%    3272243 ±  2%  proc-vmstat.workingset_nodes
 1.581e+08           -51.6%   76466386 ±  2%  proc-vmstat.workingset_refault
      3084 ±  3%     -99.8%       5.00 ± 61%  proc-vmstat.workingset_restore
     84.93           -84.9        0.00        perf-profile.calltrace.cycles-pp.pagecache_get_page.filemap_fault.__xfs_filemap_fault.__do_fault.__handle_mm_fault
     67.30           -67.3        0.00        perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.pagecache_get_page.filemap_fault.__xfs_filemap_fault.__do_fault
     66.21           -66.2        0.00        perf-profile.calltrace.cycles-pp.__alloc_pages_slowpath.__alloc_pages_nodemask.pagecache_get_page.filemap_fault.__xfs_filemap_fault
     65.03           -65.0        0.00        perf-profile.calltrace.cycles-pp.try_to_free_pages.__alloc_pages_slowpath.__alloc_pages_nodemask.pagecache_get_page.filemap_fault
     65.03           -65.0        0.00        perf-profile.calltrace.cycles-pp.do_try_to_free_pages.try_to_free_pages.__alloc_pages_slowpath.__alloc_pages_nodemask.pagecache_get_page
     16.98 ±  3%     -17.0        0.00        perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.pagecache_get_page.filemap_fault.__xfs_filemap_fault.__do_fault
     15.27 ±  3%     -15.3        0.00        perf-profile.calltrace.cycles-pp.__lru_cache_add.add_to_page_cache_lru.pagecache_get_page.filemap_fault.__xfs_filemap_fault
     15.23 ±  3%     -15.2        0.00        perf-profile.calltrace.cycles-pp.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru.pagecache_get_page.filemap_fault
     14.53 ±  4%     -14.5        0.00        perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru.pagecache_get_page
     19.12 ±  2%      -6.5       12.63        perf-profile.calltrace.cycles-pp.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node.do_try_to_free_pages
     65.00            -4.5       60.53        perf-profile.calltrace.cycles-pp.shrink_node_memcg.shrink_node.do_try_to_free_pages.try_to_free_pages.__alloc_pages_slowpath
     64.49            -4.1       60.43        perf-profile.calltrace.cycles-pp.shrink_inactive_list.shrink_node_memcg.shrink_node.do_try_to_free_pages.try_to_free_pages
      6.74 ±  3%      -3.0        3.73 ±  3%  perf-profile.calltrace.cycles-pp.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
      6.66 ±  2%      -1.7        4.96        perf-profile.calltrace.cycles-pp.try_to_unmap_flush.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
      6.66 ±  2%      -1.7        4.96        perf-profile.calltrace.cycles-pp.arch_tlbbatch_flush.try_to_unmap_flush.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      6.64 ±  2%      -1.7        4.95        perf-profile.calltrace.cycles-pp.on_each_cpu_cond_mask.arch_tlbbatch_flush.try_to_unmap_flush.shrink_page_list.shrink_inactive_list
      6.61 ±  2%      -1.7        4.92        perf-profile.calltrace.cycles-pp.on_each_cpu_mask.on_each_cpu_cond_mask.arch_tlbbatch_flush.try_to_unmap_flush.shrink_page_list
      2.85            -1.7        1.16        perf-profile.calltrace.cycles-pp.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      2.95            -1.7        1.27        perf-profile.calltrace.cycles-pp.page_referenced.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
      6.36 ±  2%      -1.6        4.71        perf-profile.calltrace.cycles-pp.smp_call_function_many.on_each_cpu_mask.on_each_cpu_cond_mask.arch_tlbbatch_flush.try_to_unmap_flush
      2.67            -1.6        1.05        perf-profile.calltrace.cycles-pp.rmap_walk_file.page_referenced.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      2.30            -1.5        0.79        perf-profile.calltrace.cycles-pp.xas_store.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list
      2.13            -1.5        0.66        perf-profile.calltrace.cycles-pp.page_referenced_one.rmap_walk_file.page_referenced.shrink_page_list.shrink_inactive_list
      3.37 ±  6%      -1.4        1.95 ±  4%  perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__remove_mapping.shrink_page_list.shrink_inactive_list
      3.42 ±  6%      -1.4        2.05 ±  4%  perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      1.90            -1.3        0.60 ±  2%  perf-profile.calltrace.cycles-pp.xas_create.xas_store.__delete_from_page_cache.__remove_mapping.shrink_page_list
      1.19            -0.4        0.82        perf-profile.calltrace.cycles-pp.try_to_unmap.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
      1.08            -0.3        0.75        perf-profile.calltrace.cycles-pp.rmap_walk_file.try_to_unmap.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      0.77            -0.2        0.53        perf-profile.calltrace.cycles-pp.try_to_unmap_one.rmap_walk_file.try_to_unmap.shrink_page_list.shrink_inactive_list
      0.72            +0.0        0.76        perf-profile.calltrace.cycles-pp.__isolate_lru_page.isolate_lru_pages.shrink_inactive_list.shrink_node_memcg.shrink_node
      0.92            +0.1        0.98        perf-profile.calltrace.cycles-pp.isolate_lru_pages.shrink_inactive_list.shrink_node_memcg.shrink_node.do_try_to_free_pages
      0.62            +0.1        0.75        perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_unref_page_list.shrink_page_list.shrink_inactive_list.shrink_node_memcg
      0.77            +0.2        0.94        perf-profile.calltrace.cycles-pp.free_unref_page_list.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
      0.00            +0.5        0.53        perf-profile.calltrace.cycles-pp.__pagevec_lru_add_fn.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru.iomap_readpages_actor
      0.00            +0.8        0.85 ±  2%  perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault
      0.00            +1.2        1.17 ±  2%  perf-profile.calltrace.cycles-pp.__add_to_page_cache_locked.add_to_page_cache_lru.iomap_readpages_actor.iomap_apply.iomap_readpages
      0.00            +1.3        1.29 ±  3%  perf-profile.calltrace.cycles-pp.iomap_set_range_uptodate.iomap_readpage_actor.iomap_readpages_actor.iomap_apply.iomap_readpages
      0.00            +1.3        1.29 ±  2%  perf-profile.calltrace.cycles-pp.wakeup_kswapd.wake_all_kswapds.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead
      0.00            +1.3        1.30 ±  2%  perf-profile.calltrace.cycles-pp.wake_all_kswapds.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault
     96.66            +1.3       98.00        perf-profile.calltrace.cycles-pp.page_fault
     96.62            +1.4       98.00        perf-profile.calltrace.cycles-pp.do_page_fault.page_fault
      0.00            +1.5        1.49 ±  5%  perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.get_page_from_freelist.__alloc_pages_nodemask.__do_page_cache_readahead
      0.00            +1.5        1.50 ±  5%  perf-profile.calltrace.cycles-pp._raw_spin_lock.get_page_from_freelist.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault
     96.45            +1.5       97.99        perf-profile.calltrace.cycles-pp.__do_page_fault.do_page_fault.page_fault
     95.90            +2.0       97.94        perf-profile.calltrace.cycles-pp.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     95.73            +2.2       97.92        perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
      0.00            +2.3        2.32 ±  3%  perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault
     43.77            +2.4       46.14        perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.shrink_inactive_list.shrink_node_memcg.shrink_node.do_try_to_free_pages
     44.55            +2.4       46.95        perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.shrink_inactive_list.shrink_node_memcg.shrink_node
      0.00            +3.4        3.37 ±  3%  perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.shadow_lru_isolate.__list_lru_walk_one.list_lru_walk_one_irq
      0.00            +3.4        3.39 ±  3%  perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.shadow_lru_isolate.__list_lru_walk_one.list_lru_walk_one_irq.do_shrink_slab
      0.00            +3.6        3.59 ±  3%  perf-profile.calltrace.cycles-pp.shadow_lru_isolate.__list_lru_walk_one.list_lru_walk_one_irq.do_shrink_slab.shrink_slab
      0.00            +3.6        3.62 ±  3%  perf-profile.calltrace.cycles-pp.__list_lru_walk_one.list_lru_walk_one_irq.do_shrink_slab.shrink_slab.shrink_node
      0.00            +3.6        3.65 ±  3%  perf-profile.calltrace.cycles-pp.list_lru_walk_one_irq.do_shrink_slab.shrink_slab.shrink_node.do_try_to_free_pages
      0.00            +3.7        3.66 ±  3%  perf-profile.calltrace.cycles-pp.do_shrink_slab.shrink_slab.shrink_node.do_try_to_free_pages.try_to_free_pages
      0.00            +3.7        3.66 ±  3%  perf-profile.calltrace.cycles-pp.shrink_slab.shrink_node.do_try_to_free_pages.try_to_free_pages.__alloc_pages_slowpath
      0.00            +4.0        4.00        perf-profile.calltrace.cycles-pp.memset_erms.iomap_readpage_actor.iomap_readpages_actor.iomap_apply.iomap_readpages
      0.00            +5.5        5.50        perf-profile.calltrace.cycles-pp.iomap_readpage_actor.iomap_readpages_actor.iomap_apply.iomap_readpages.read_pages
     14.51 ±  4%      +5.7       20.21        perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru
     90.60            +6.8       97.44        perf-profile.calltrace.cycles-pp.__do_fault.__handle_mm_fault.handle_mm_fault.__do_page_fault.do_page_fault
     90.50            +6.9       97.44        perf-profile.calltrace.cycles-pp.__xfs_filemap_fault.__do_fault.__handle_mm_fault.handle_mm_fault.__do_page_fault
     90.31            +7.1       97.42        perf-profile.calltrace.cycles-pp.filemap_fault.__xfs_filemap_fault.__do_fault.__handle_mm_fault.handle_mm_fault
      0.00           +20.2       20.23        perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru.iomap_readpages_actor
      0.00           +21.0       21.04        perf-profile.calltrace.cycles-pp.pagevec_lru_move_fn.__lru_cache_add.add_to_page_cache_lru.iomap_readpages_actor.iomap_apply
      0.00           +21.1       21.09        perf-profile.calltrace.cycles-pp.__lru_cache_add.add_to_page_cache_lru.iomap_readpages_actor.iomap_apply.iomap_readpages
      0.00           +22.4       22.40        perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.iomap_readpages_actor.iomap_apply.iomap_readpages.read_pages
      0.00           +28.1       28.05        perf-profile.calltrace.cycles-pp.iomap_readpages_actor.iomap_apply.iomap_readpages.read_pages.__do_page_cache_readahead
      0.00           +28.1       28.10        perf-profile.calltrace.cycles-pp.iomap_apply.iomap_readpages.read_pages.__do_page_cache_readahead.filemap_fault
      0.00           +28.1       28.11        perf-profile.calltrace.cycles-pp.iomap_readpages.read_pages.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault
      0.00           +28.1       28.12        perf-profile.calltrace.cycles-pp.read_pages.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault.__do_fault
      0.00           +64.2       64.20        perf-profile.calltrace.cycles-pp.do_try_to_free_pages.try_to_free_pages.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead
      0.00           +64.2       64.20        perf-profile.calltrace.cycles-pp.try_to_free_pages.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault
      0.00           +66.4       66.37        perf-profile.calltrace.cycles-pp.__alloc_pages_slowpath.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault
      0.00           +68.9       68.86        perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault.__do_fault
      0.00           +97.3       97.32        perf-profile.calltrace.cycles-pp.__do_page_cache_readahead.filemap_fault.__xfs_filemap_fault.__do_fault.__handle_mm_fault
     84.95           -84.9        0.00        perf-profile.children.cycles-pp.pagecache_get_page
     19.73 ±  2%      -6.7       13.07        perf-profile.children.cycles-pp.shrink_page_list
     66.59            -4.6       61.97        perf-profile.children.cycles-pp.shrink_node_memcg
     66.12            -4.2       61.92        perf-profile.children.cycles-pp.shrink_inactive_list
      4.10            -3.7        0.42        perf-profile.children.cycles-pp.filemap_map_pages
      6.90 ±  3%      -3.0        3.86 ±  2%  perf-profile.children.cycles-pp.__remove_mapping
      2.82            -2.7        0.12 ±  3%  perf-profile.children.cycles-pp.xas_find
      2.95            -2.5        0.46        perf-profile.children.cycles-pp.xas_load
      4.00            -2.1        1.90        perf-profile.children.cycles-pp.rmap_walk_file
      3.21            -1.8        1.38        perf-profile.children.cycles-pp.xas_store
      3.15            -1.8        1.34        perf-profile.children.cycles-pp.page_referenced
      6.85 ±  2%      -1.8        5.10        perf-profile.children.cycles-pp.try_to_unmap_flush
      6.85 ±  2%      -1.8        5.10        perf-profile.children.cycles-pp.arch_tlbbatch_flush
      6.84 ±  2%      -1.7        5.09        perf-profile.children.cycles-pp.on_each_cpu_cond_mask
      6.80 ±  2%      -1.7        5.07        perf-profile.children.cycles-pp.on_each_cpu_mask
      2.94            -1.7        1.23        perf-profile.children.cycles-pp.__delete_from_page_cache
      6.54 ±  2%      -1.7        4.87        perf-profile.children.cycles-pp.smp_call_function_many
      2.27            -1.6        0.69        perf-profile.children.cycles-pp.page_referenced_one
      2.15            -1.6        0.58        perf-profile.children.cycles-pp.page_vma_mapped_walk
      1.98            -1.2        0.79 ±  4%  perf-profile.children.cycles-pp.xas_create
      1.09            -0.8        0.28 ±  2%  perf-profile.children.cycles-pp.workingset_update_node
      0.88 ±  2%      -0.7        0.15 ±  3%  perf-profile.children.cycles-pp.alloc_set_pte
      0.62 ±  3%      -0.5        0.09 ±  5%  perf-profile.children.cycles-pp.list_lru_del
      0.53            -0.5        0.07 ±  6%  perf-profile.children.cycles-pp.native_irq_return_iret
      1.22            -0.4        0.84        perf-profile.children.cycles-pp.try_to_unmap
      0.55 ±  3%      -0.3        0.27 ±  3%  perf-profile.children.cycles-pp.down_read
      0.32 ±  4%      -0.3        0.06 ± 11%  perf-profile.children.cycles-pp.list_lru_add
      0.81            -0.3        0.55        perf-profile.children.cycles-pp.try_to_unmap_one
      0.39            -0.2        0.15 ±  5%  perf-profile.children.cycles-pp.xas_clear_mark
      1.43 ±  2%      -0.2        1.20 ±  2%  perf-profile.children.cycles-pp.__add_to_page_cache_locked
      0.43            -0.2        0.21 ±  3%  perf-profile.children.cycles-pp.xas_init_marks
      0.28            -0.2        0.10 ±  4%  perf-profile.children.cycles-pp.up_read
      0.24            -0.2        0.07 ±  5%  perf-profile.children.cycles-pp.workingset_refault
      0.21 ± 20%      -0.2        0.05 ± 67%  perf-profile.children.cycles-pp.drain_local_pages_wq
      0.21 ± 20%      -0.2        0.05 ± 67%  perf-profile.children.cycles-pp.drain_pages
      0.21 ± 20%      -0.2        0.05 ± 67%  perf-profile.children.cycles-pp.drain_pages_zone
      0.22 ± 18%      -0.1        0.07 ± 31%  perf-profile.children.cycles-pp.worker_thread
      0.22 ± 19%      -0.1        0.07 ± 31%  perf-profile.children.cycles-pp.process_one_work
      0.35 ±  2%      -0.1        0.22        perf-profile.children.cycles-pp.___might_sleep
      0.17 ±  4%      -0.1        0.07        perf-profile.children.cycles-pp.__might_sleep
      0.29            -0.1        0.23 ±  3%  perf-profile.children.cycles-pp.putback_inactive_pages
      0.15 ±  3%      -0.1        0.08        perf-profile.children.cycles-pp.unlock_page
      0.15 ±  3%      -0.1        0.09 ±  4%  perf-profile.children.cycles-pp.page_add_file_rmap
      0.17 ±  2%      -0.1        0.11 ±  3%  perf-profile.children.cycles-pp._cond_resched
      0.08            -0.1        0.03 ±100%  perf-profile.children.cycles-pp.rcu_all_qs
      0.26 ±  3%      -0.1        0.20 ±  4%  perf-profile.children.cycles-pp.call_function_interrupt
      0.14 ±  3%      -0.1        0.09        perf-profile.children.cycles-pp.page_remove_rmap
      0.19 ±  3%      -0.0        0.14 ±  5%  perf-profile.children.cycles-pp.smp_call_function_interrupt
      0.16 ±  2%      -0.0        0.11 ±  7%  perf-profile.children.cycles-pp.flush_smp_call_function_queue
      0.27 ±  7%      -0.0        0.23 ±  4%  perf-profile.children.cycles-pp.smp_call_function_single
      0.11 ±  6%      -0.0        0.07 ±  5%  perf-profile.children.cycles-pp.xas_start
      0.10            -0.0        0.07 ±  7%  perf-profile.children.cycles-pp.__x86_indirect_thunk_rax
      0.15 ±  4%      -0.0        0.12 ±  5%  perf-profile.children.cycles-pp.__mod_node_page_state
      0.07 ±  7%      -0.0        0.04 ± 57%  perf-profile.children.cycles-pp.check_pte
      0.08 ±  5%      -0.0        0.06        perf-profile.children.cycles-pp.flush_tlb_func_common
      0.07            -0.0        0.06        perf-profile.children.cycles-pp.mem_cgroup_update_lru_size
      0.05            +0.0        0.06        perf-profile.children.cycles-pp.free_unref_page_prepare
      0.07 ±  5%      +0.0        0.09 ±  4%  perf-profile.children.cycles-pp.release_pages
      0.24 ±  2%      +0.0        0.26        perf-profile.children.cycles-pp.workingset_eviction
      0.05 ±  8%      +0.0        0.07 ±  5%  perf-profile.children.cycles-pp.free_unref_page_commit
      0.07 ±  6%      +0.0        0.09 ±  7%  perf-profile.children.cycles-pp.unaccount_page_cache_page
      0.06 ±  6%      +0.0        0.09 ±  5%  perf-profile.children.cycles-pp.mem_cgroup_uncharge_list
      0.05            +0.0        0.07 ±  5%  perf-profile.children.cycles-pp.__inc_node_page_state
      0.15 ±  2%      +0.0        0.18        perf-profile.children.cycles-pp.mem_cgroup_commit_charge
      0.75            +0.0        0.79        perf-profile.children.cycles-pp.__isolate_lru_page
      0.08            +0.0        0.12 ±  7%  perf-profile.children.cycles-pp.lru_add_drain_cpu
      0.08 ±  5%      +0.0        0.12 ±  8%  perf-profile.children.cycles-pp.lru_add_drain
      0.07 ±  5%      +0.0        0.11        perf-profile.children.cycles-pp.mem_cgroup_try_charge
      0.50 ±  4%      +0.0        0.54        perf-profile.children.cycles-pp.__pagevec_lru_add_fn
      0.00            +0.1        0.05        perf-profile.children.cycles-pp.iomap_adjust_read_range
      0.00            +0.1        0.05 ±  8%  perf-profile.children.cycles-pp.ksys_read
      0.00            +0.1        0.05 ±  8%  perf-profile.children.cycles-pp.vfs_read
      0.00            +0.1        0.05 ±  8%  perf-profile.children.cycles-pp.__vfs_read
      0.97            +0.1        1.02        perf-profile.children.cycles-pp.isolate_lru_pages
      0.67            +0.1        0.75        perf-profile.children.cycles-pp.__list_del_entry_valid
      0.00            +0.1        0.09        perf-profile.children.cycles-pp.xas_free_nodes
      0.00            +0.1        0.11 ± 21%  perf-profile.children.cycles-pp.__slab_alloc
      0.00            +0.1        0.11 ± 21%  perf-profile.children.cycles-pp.___slab_alloc
      0.00            +0.1        0.11 ± 23%  perf-profile.children.cycles-pp.kmem_cache_alloc
      0.00            +0.1        0.12 ± 21%  perf-profile.children.cycles-pp.xas_alloc
      0.00            +0.1        0.13 ± 22%  perf-profile.children.cycles-pp.kmem_cache_free
      0.00            +0.2        0.18 ± 20%  perf-profile.children.cycles-pp.smpboot_thread_fn
      0.00            +0.2        0.18 ± 20%  perf-profile.children.cycles-pp.run_ksoftirqd
      0.81            +0.2        1.00        perf-profile.children.cycles-pp.free_unref_page_list
      0.00            +0.2        0.19 ±  3%  perf-profile.children.cycles-pp.xa_load
      0.00            +0.2        0.19 ± 20%  perf-profile.children.cycles-pp.rcu_process_callbacks
      0.00            +0.2        0.21 ± 16%  perf-profile.children.cycles-pp.__softirqentry_text_start
      0.94            +0.3        1.29 ±  3%  perf-profile.children.cycles-pp.iomap_set_range_uptodate
      0.67 ±  5%      +0.6        1.29 ±  2%  perf-profile.children.cycles-pp.wakeup_kswapd
      0.68 ±  5%      +0.6        1.31 ±  2%  perf-profile.children.cycles-pp.wake_all_kswapds
      3.00            +1.0        4.01        perf-profile.children.cycles-pp.memset_erms
     96.74            +1.3       98.07        perf-profile.children.cycles-pp.page_fault
     96.70            +1.4       98.06        perf-profile.children.cycles-pp.do_page_fault
      4.13            +1.4        5.52        perf-profile.children.cycles-pp.iomap_readpage_actor
     96.54            +1.5       98.05        perf-profile.children.cycles-pp.__do_page_fault
     67.50            +1.6       69.08        perf-profile.children.cycles-pp.__alloc_pages_nodemask
      1.47            +1.7        3.19 ±  3%  perf-profile.children.cycles-pp.get_page_from_freelist
     95.99            +2.0       98.01        perf-profile.children.cycles-pp.handle_mm_fault
     95.82            +2.2       97.99        perf-profile.children.cycles-pp.__handle_mm_fault
      0.00            +3.7        3.65 ±  3%  perf-profile.children.cycles-pp.shadow_lru_isolate
      0.00            +3.7        3.67 ±  3%  perf-profile.children.cycles-pp.__list_lru_walk_one
      0.00            +3.7        3.71 ±  3%  perf-profile.children.cycles-pp.list_lru_walk_one_irq
      0.00            +3.7        3.71 ±  3%  perf-profile.children.cycles-pp.do_shrink_slab
      0.00            +3.7        3.72 ±  3%  perf-profile.children.cycles-pp.shrink_slab
     18.12 ±  2%      +4.4       22.51        perf-profile.children.cycles-pp._raw_spin_lock_irqsave
     16.98 ±  3%      +5.4       22.42        perf-profile.children.cycles-pp.add_to_page_cache_lru
     45.19            +5.5       50.72        perf-profile.children.cycles-pp._raw_spin_lock_irq
     15.29 ±  3%      +5.8       21.12        perf-profile.children.cycles-pp.__lru_cache_add
     15.32 ±  3%      +5.9       21.18        perf-profile.children.cycles-pp.pagevec_lru_move_fn
     90.60            +6.8       97.44        perf-profile.children.cycles-pp.__do_fault
     90.50            +6.9       97.44        perf-profile.children.cycles-pp.__xfs_filemap_fault
     90.32            +7.1       97.43        perf-profile.children.cycles-pp.filemap_fault
     64.32           +10.7       75.04        perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
      4.80           +23.3       28.11        perf-profile.children.cycles-pp.iomap_apply
      0.00           +28.1       28.08        perf-profile.children.cycles-pp.iomap_readpages_actor
      0.00           +28.1       28.12        perf-profile.children.cycles-pp.iomap_readpages
      0.00           +28.1       28.13        perf-profile.children.cycles-pp.read_pages
      0.00           +97.4       97.38        perf-profile.children.cycles-pp.__do_page_cache_readahead
      2.83            -2.5        0.39        perf-profile.self.cycles-pp.xas_load
      6.38 ±  2%      -1.6        4.73        perf-profile.self.cycles-pp.smp_call_function_many
      1.80            -1.4        0.42        perf-profile.self.cycles-pp.page_vma_mapped_walk
      1.98            -1.3        0.66        perf-profile.self.cycles-pp.xas_create
      1.05            -0.9        0.12 ±  7%  perf-profile.self.cycles-pp.filemap_map_pages
      1.03            -0.9        0.16 ±  2%  perf-profile.self.cycles-pp._raw_spin_lock
      0.52 ±  2%      -0.5        0.07 ±  6%  perf-profile.self.cycles-pp.native_irq_return_iret
      0.39            -0.2        0.14 ±  5%  perf-profile.self.cycles-pp.xas_clear_mark
      0.27            -0.2        0.10 ±  4%  perf-profile.self.cycles-pp.up_read
      0.28 ±  3%      -0.1        0.15 ±  5%  perf-profile.self.cycles-pp.down_read
      0.33 ±  2%      -0.1        0.21 ±  2%  perf-profile.self.cycles-pp.___might_sleep
      0.37            -0.1        0.25        perf-profile.self.cycles-pp.try_to_unmap_one
      0.15 ±  2%      -0.1        0.05 ±  8%  perf-profile.self.cycles-pp.workingset_refault
      0.15 ±  5%      -0.1        0.06        perf-profile.self.cycles-pp.__might_sleep
      0.27 ±  3%      -0.1        0.19 ±  2%  perf-profile.self.cycles-pp.page_referenced_one
      0.23 ±  2%      -0.1        0.16 ±  2%  perf-profile.self.cycles-pp.rmap_walk_file
      0.14 ±  3%      -0.1        0.08        perf-profile.self.cycles-pp.unlock_page
      0.27 ±  5%      -0.0        0.23 ±  5%  perf-profile.self.cycles-pp.smp_call_function_single
      0.11 ±  4%      -0.0        0.07 ±  6%  perf-profile.self.cycles-pp.page_add_file_rmap
      0.15 ±  5%      -0.0        0.11 ±  3%  perf-profile.self.cycles-pp.__mod_node_page_state
      0.15            -0.0        0.11 ±  4%  perf-profile.self.cycles-pp.putback_inactive_pages
      0.10            -0.0        0.07 ±  6%  perf-profile.self.cycles-pp.page_remove_rmap
      0.10 ±  7%      -0.0        0.07 ±  6%  perf-profile.self.cycles-pp.xas_start
      0.09 ±  4%      -0.0        0.06 ±  7%  perf-profile.self.cycles-pp.__x86_indirect_thunk_rax
      0.06            -0.0        0.04 ± 57%  perf-profile.self.cycles-pp.PageHuge
      0.15 ±  3%      -0.0        0.12 ±  4%  perf-profile.self.cycles-pp.workingset_update_node
      0.08 ±  5%      -0.0        0.06 ±  7%  perf-profile.self.cycles-pp._cond_resched
      0.14            -0.0        0.13 ±  3%  perf-profile.self.cycles-pp.page_evictable
      0.07            -0.0        0.06        perf-profile.self.cycles-pp.mem_cgroup_update_lru_size
      0.05            +0.0        0.07 ±  7%  perf-profile.self.cycles-pp.release_pages
      0.05            +0.0        0.07 ±  6%  perf-profile.self.cycles-pp.__inc_node_page_state
      0.07 ±  7%      +0.0        0.08 ±  5%  perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
      0.16            +0.0        0.18 ±  5%  perf-profile.self.cycles-pp.iomap_readpage_actor
      0.07            +0.0        0.09 ±  4%  perf-profile.self.cycles-pp.__alloc_pages_nodemask
      0.04 ± 57%      +0.0        0.06 ±  6%  perf-profile.self.cycles-pp.mem_cgroup_commit_charge
      0.08            +0.0        0.11 ±  3%  perf-profile.self.cycles-pp._raw_spin_lock_irq
      0.12 ±  7%      +0.0        0.15        perf-profile.self.cycles-pp.__remove_mapping
      0.75            +0.0        0.79        perf-profile.self.cycles-pp.__isolate_lru_page
      0.05 ±  8%      +0.0        0.10 ±  5%  perf-profile.self.cycles-pp.__delete_from_page_cache
      0.01 ±173%      +0.0        0.06 ±  7%  perf-profile.self.cycles-pp.xas_init_marks
      0.01 ±173%      +0.0        0.06 ±  7%  perf-profile.self.cycles-pp.free_unref_page_prepare
      0.12 ±  4%      +0.0        0.17        perf-profile.self.cycles-pp.__add_to_page_cache_locked
      0.01 ±173%      +0.0        0.06        perf-profile.self.cycles-pp.pagevec_lru_move_fn
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.__do_page_cache_readahead
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.mem_cgroup_try_charge
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.alloc_pages_current
      0.00            +0.1        0.05        perf-profile.self.cycles-pp.__mod_zone_page_state
      0.00            +0.1        0.05 ±  9%  perf-profile.self.cycles-pp.free_unref_page_commit
      0.08            +0.1        0.14 ±  6%  perf-profile.self.cycles-pp._raw_spin_lock_irqsave
      0.42            +0.1        0.49        perf-profile.self.cycles-pp.shrink_page_list
      0.66            +0.1        0.73        perf-profile.self.cycles-pp.__list_del_entry_valid
      0.12 ±  3%      +0.1        0.20 ±  2%  perf-profile.self.cycles-pp.xas_store
      0.00            +0.1        0.08 ±  6%  perf-profile.self.cycles-pp.iomap_readpages_actor
      0.00            +0.1        0.08 ±  5%  perf-profile.self.cycles-pp.xas_free_nodes
      0.30            +0.1        0.44        perf-profile.self.cycles-pp.free_pcppages_bulk
      0.93            +0.3        1.27 ±  3%  perf-profile.self.cycles-pp.iomap_set_range_uptodate
      0.67 ±  3%      +0.4        1.03        perf-profile.self.cycles-pp.get_page_from_freelist
      0.67 ±  5%      +0.6        1.29 ±  2%  perf-profile.self.cycles-pp.wakeup_kswapd
      2.98            +1.0        3.99        perf-profile.self.cycles-pp.memset_erms
     64.31           +10.7       75.04        perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath


                                                                                
                           vm-scalability.time.user_time                        
                                                                                
  350 +-+-------------------------------------------------------------------+   
      |                         +.                                          |   
  300 +-+..+. .+..+. .+.. .+. ..  +.+..+.+.  .+.+.+..+.+.+..+.+.+..+.    .+.|   
      | :    +      +    +   +             +.                        +.+.   |   
  250 +-+                                                                   |   
      | :                                                                   |   
  200 +-+                                                                   |   
      |:                                                                    |   
  150 +-+                                                                   |   
      |:                                                                    |   
  100 +-+                                                                   |   
      |:                                                                    |   
   50 +-+                                                                   |   
      O O  O O O  O O O  O O O  O O O  O O O  O O O  O                      |   
    0 +-+-------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                           vm-scalability.time.system_time                      
                                                                                
  30000 +-+-----------------------------------------------------------------+   
        O O  O O O O  O O O O  O O O O  O O O  O O O O                      |   
  25000 +-+..+.+.+.+..+.+.+.+..+.+.+.+..+.+.+..+.+.+.+..+.+.+.+..+.+.+.+..+.|   
        | :                                                                 |   
        | :                                                                 |   
  20000 +-+                                                                 |   
        |:                                                                  |   
  15000 +-+                                                                 |   
        |:                                                                  |   
  10000 +-+                                                                 |   
        |:                                                                  |   
        |:                                                                  |   
   5000 +-+                                                                 |   
        |                                                                   |   
      0 +-+-----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                  vm-scalability.time.percent_of_cpu_this_job_got               
                                                                                
  8000 O-O--O-O-O--O-O-O-O--O-O-O--O-O-O--O-O-O-O--O-O----------------------+   
       |                                                                    |   
  7000 +-+..+.+.+..+.+.+.+..+.+.+..+.+.+..+.+.+.+..+.+.+..+.+.+..+.+.+.+..+.|   
  6000 +-+                                                                  |   
       | :                                                                  |   
  5000 +-+                                                                  |   
       |:                                                                   |   
  4000 +-+                                                                  |   
       |:                                                                   |   
  3000 +-+                                                                  |   
  2000 +-+                                                                  |   
       |:                                                                   |   
  1000 +-+                                                                  |   
       |                                                                    |   
     0 +-+------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                         vm-scalability.time.elapsed_time                       
                                                                                
  400 +-+-------------------------------------------------------------------+   
      | +..O.+.O..O.O.+..O.+.+..O.O.O..O.O.O..O.O.O..O.+.+..+.+.+..+.+.+..+.|   
  350 O-O    O        O    O O                                              |   
  300 +-+                                                                   |   
      | :                                                                   |   
  250 +-+                                                                   |   
      |:                                                                    |   
  200 +-+                                                                   |   
      |:                                                                    |   
  150 +-+                                                                   |   
  100 +-+                                                                   |   
      |                                                                     |   
   50 +-+                                                                   |   
      |                                                                     |   
    0 +-+-------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                       vm-scalability.time.elapsed_time.max                     
                                                                                
  400 +-+-------------------------------------------------------------------+   
      | +..O.+.O..O.O.+..O.+.+..O.O.O..O.O.O..O.O.O..O.+.+..+.+.+..+.+.+..+.|   
  350 O-O    O        O    O O                                              |   
  300 +-+                                                                   |   
      | :                                                                   |   
  250 +-+                                                                   |   
      |:                                                                    |   
  200 +-+                                                                   |   
      |:                                                                    |   
  150 +-+                                                                   |   
  100 +-+                                                                   |   
      |                                                                     |   
   50 +-+                                                                   |   
      |                                                                     |   
    0 +-+-------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                        vm-scalability.time.major_page_faults                   
                                                                                
  1e+09 +-+-----------------------------------------------------------------+   
  9e+08 +-+..+.+.+.+..+.+.+.+..+.+.+.+..+.+.+..+.+.+.+..+.+.+.+..+.+.+.+..+.|   
        | :                                                                 |   
  8e+08 +-+                                                                 |   
  7e+08 +-+                                                                 |   
        |:                                                                  |   
  6e+08 +-+                                                                 |   
  5e+08 +-+                                                                 |   
  4e+08 +-+                                                                 |   
        |:                                                                  |   
  3e+08 +-+                                                                 |   
  2e+08 +-+                                                                 |   
        |                                                                   |   
  1e+08 O-O  O O O O  O O O O  O O O O  O O O  O O O O                      |   
      0 +-+-----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                        vm-scalability.time.minor_page_faults                   
                                                                                
  500000 O-O-O--O-O-O-O--O-O-O-O--O-O-O-O--O-O-O-O-O--O---------------------+   
  450000 +-+                                                                |   
         |                                                                  |   
  400000 +-+                                                                |   
  350000 +-+                                                                |   
         |                                                                  |   
  300000 +-+                                                                |   
  250000 +-+                                                                |   
  200000 +-+                                                                |   
         |                                                                  |   
  150000 +-+                                                                |   
  100000 +-+                                                                |   
         | +.+..+.+.+.+..+.+.+.+..+.+.+.+..+.+.+.+.+..+.+.+.+..+.+.+.+..+.+.|   
   50000 +-+                                                                |   
       0 +-+----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                  vm-scalability.time.voluntary_context_switches                
                                                                                
  6000 +-+------------------------------------------------------------------+   
       |   .+.+.+..+.+  +  .+.+.+..   .+..+.+.+.+..+.+.+..+.+.+..+.+.      .|   
  5000 +-+.              +.        +.+                               +.+..+ |   
       | :                                                                  |   
       | :                                                                  |   
  4000 +-+                                                                  |   
       |:                                                                   |   
  3000 +-+                                                                  |   
       |:                                                                   |   
  2000 +-+                                                                  |   
       O:O  O O O  O O O O  O O O  O O O  O O O O  O O                      |   
       |:                                                                   |   
  1000 +-+                                                                  |   
       |                                                                    |   
     0 +-+------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                               vm-scalability.throughput                        
                                                                                
    2e+06 +-+---------------------------------------------------------------+   
  1.8e+06 +-+.+..+.+.+.+.+..+.+.+.+.+..+.+.+.+.+..+.+.+.+.+..+.+.+.+.+..+.+.|   
          O O O  O O O O O    O O   O                                       |   
  1.6e+06 +-+               O     O    O O O O O  O O O                     |   
  1.4e+06 +-+                                                               |   
          |:                                                                |   
  1.2e+06 +-+                                                               |   
    1e+06 +-+                                                               |   
   800000 +-+                                                               |   
          |:                                                                |   
   600000 +-+                                                               |   
   400000 +-+                                                               |   
          |                                                                 |   
   200000 +-+                                                               |   
        0 +-+---------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                               vm-scalability.stddev                            
                                                                                
  1.6 +-+-------------------------------------------------------------------+   
      |                                                                     |   
  1.4 +-+                           O         O                             |   
  1.2 +-+                                                                   |   
      |                                                                     |   
    1 +-+                                                                   |   
      |                                                                     |   
  0.8 +-+  O                                                                |   
      |      O O  O             O          O         O                      |   
  0.6 O-O           O O  O O      O      O        O                         |   
  0.4 +-+                    O         O        O                           |   
      |                                                                     |   
  0.2 +-+                                                                   |   
      |.+..+.+.+..+.+.+..+.+.+..+.+.+..+.+.+..+.+.+..+.+.+..+.+.+..+.+.+..+.|   
    0 +-+-------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                             vm-scalability.free_time                           
                                                                                
  0.14 +-+------------------------------------------------------------------+   
       |   .+.               .+.      .+..     .+.. .+.  .+.+.    .+.    .+.|   
  0.12 +-+.   +.+..+.+. .+..+   +..+.+    +.+.+    +   +.     +..+   +.+.   |   
       | :             +                                                    |   
   0.1 +-+                                                                  |   
       O O  O O O  O O O O  O O O  O O O  O O O O  O O                      |   
  0.08 +-+                                                                  |   
       |:                                                                   |   
  0.06 +-+                                                                  |   
       |:                                                                   |   
  0.04 +-+                                                                  |   
       |:                                                                   |   
  0.02 +-+                                                                  |   
       |                                                                    |   
     0 +-+------------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                                vm-scalability.median                           
                                                                                
  25000 +-+-----------------------------------------------------------------+   
        |                                                                   |   
        | +.. .+. .+.. .+. .+..+.+.+.+.. .+.  .+.+.+.+..+.+.+.+..+.+.+.+..+.|   
  20000 +-+  +   +    + O +    O        +   +.                              |   
        O O  O O O O  O   O O    O O O  O O O  O O O O                      |   
        | :                                                                 |   
  15000 +-+                                                                 |   
        |:                                                                  |   
  10000 +-+                                                                 |   
        |:                                                                  |   
        |:                                                                  |   
   5000 +-+                                                                 |   
        |                                                                   |   
        |                                                                   |   
      0 +-+-----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                               vm-scalability.workload                          
                                                                                
  6e+08 +-+-----------------------------------------------------------------+   
        O O..O.O.O.O..O.O.O.O..O.O.O.O..O.O.O..O.O.O.O..+.+.+.+..+.+.+.+..+.|   
  5e+08 +-+                                                                 |   
        | :                                                                 |   
        | :                                                                 |   
  4e+08 +-+                                                                 |   
        |:                                                                  |   
  3e+08 +-+                                                                 |   
        |:                                                                  |   
  2e+08 +-+                                                                 |   
        |:                                                                  |   
        |                                                                   |   
  1e+08 +-+                                                                 |   
        |                                                                   |   
      0 +-+-----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                            pmeter.performance_per_watt                         
                                                                                
  6000 +-+------------------------------------------------------------------+   
       |                      ::                                            |   
  5000 +-+                   : :                                            |   
       |                     :  :                                           |   
       | +..+.+.+..+.+.+.+..+   +..+.+.+..+.+.+.+..+.+.+..+.+.+..+.+.+.+..+.|   
  4000 O-O  O O O  O O O O  O O O  O O O  O O O O  O O                      |   
       | :                                                                  |   
  3000 +-+                                                                  |   
       |:                                                                   |   
  2000 +-+                                                                  |   
       |:                                                                   |   
       |:                                                                   |   
  1000 +-+                                                                  |   
       |                                                                    |   
     0 +-+------------------------------------------------------------------+   
                                                                                
                                                                                
[*] bisect-good sample
[O] bisect-bad  sample



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.


Thanks,
Rong Chen

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