[linux-next:master] [mm] 7b32f64bc5: pts.svt-av1.Preset13.Bosphorus4K.frames_per_second 45.8% regression

[kernel test robot <oliver.sang@intel.com>]

Hello,

kernel test robot noticed a 45.8% regression of pts.svt-av1.Preset13.Bosphorus4K.frames_per_second on:


commit: 7b32f64bc512b40b268776c5ac4d354b325b3197 ("mm: limit filemap_fault readahead to VMA boundaries")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[still regression on linux-next/master ec039126b7fac4e3af35ebccaa7c6f9b6875ba81]

testcase: pts
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 256 threads 2 sockets Intel(R) Xeon(R) 6767P  CPU @ 2.4GHz (Granite Rapids) with 256G memory
parameters:

	test: svt-av1-2.11.1
	option_a: 1
	option_b: Bosphorus 4K
	cpufreq_governor: performance



If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202606181547.617a6967-lkp@intel.com


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


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260618/202606181547.617a6967-lkp@intel.com

=========================================================================================
compiler/cpufreq_governor/kconfig/option_a/option_b/rootfs/tbox_group/test/testcase:
  gcc-14/performance/x86_64-rhel-9.4/1/Bosphorus 4K/debian-12-x86_64-phoronix/lkp-gnr-2sp3/svt-av1-2.11.1/pts

commit: 
  0b20c36c11 ("mm/madvise: reject invalid process_madvise() advice for zero-length vectors")
  7b32f64bc5 ("mm: limit filemap_fault readahead to VMA boundaries")

0b20c36c118d2122 7b32f64bc512b40b268776c5ac4 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    169.95 ±  6%     -45.8%      92.15 ± 10%  pts.svt-av1.Preset13.Bosphorus4K.frames_per_second
    220.57 ±  3%    +870.9%       2141        pts.time.major_page_faults
   5898121            -3.7%    5682645        pts.time.maximum_resident_set_size
   1408522            -1.3%    1390537        pts.time.minor_page_faults
    370.43 ±  3%     -12.1%     325.57 ±  6%  pts.time.percent_of_cpu_this_job_got
    645228 ±  2%      +7.6%     694407 ±  3%  pts.time.voluntary_context_switches
    162542 ±  7%     +22.4%     198946 ±  8%  sched_debug.cpu.avg_idle.stddev
    274573 ±  3%      -9.3%     249101 ±  3%  vmstat.io.bi
 6.779e+09 ±  3%     +11.3%  7.545e+09 ±  4%  cpuidle..time
   7639156 ±  3%     +10.5%    8439210 ±  3%  cpuidle..usage
      3.73 ± 39%      -2.2        1.52 ± 52%  perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state
      0.65 ± 87%      +1.8        2.47 ± 60%  perf-profile.children.cycles-pp.link_path_walk
      0.24 ± 46%     -80.9%       0.05 ±143%  perf-sched.sch_delay.avg.ms.perf_trace_sched_switch.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.65 ± 18%     -33.7%       0.43 ± 17%  perf-sched.wait_and_delay.avg.ms.perf_trace_sched_switch.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.02 ±  7%      +0.0        0.06 ±  8%  mpstat.cpu.all.iowait%
      1.08 ±  4%      -0.2        0.93 ±  6%  mpstat.cpu.all.usr%
     22.00 ±  2%     +14.3%      25.14 ±  2%  mpstat.max_utilization.seconds
     10.00 ±  3%     -40.5%       5.94 ±  2%  mpstat.max_utilization_pct
   5916248            +6.9%    6324576        meminfo.Active
   3659476 ±  2%     +11.4%    4078190 ±  2%  meminfo.Active(anon)
    760816 ±  3%     +16.9%     889730 ±  3%  meminfo.AnonHugePages
   2263661 ±  4%     +18.5%    2682180 ±  3%  meminfo.AnonPages
   6611024           +11.9%    7400589 ±  2%  meminfo.Committed_AS
  11386404            +5.1%   11964152        meminfo.Memused
     21554            +5.6%      22770 ±  2%  meminfo.PageTables
    916081 ±  2%     +11.4%    1020691 ±  2%  proc-vmstat.nr_active_anon
    567129 ±  3%     +18.4%     671694 ±  3%  proc-vmstat.nr_anon_pages
    370.88 ±  3%     +17.2%     434.57 ±  3%  proc-vmstat.nr_anon_transparent_hugepages
     48477            +1.6%      49272        proc-vmstat.nr_kernel_stack
      5399            +5.4%       5691 ±  2%  proc-vmstat.nr_page_table_pages
    916081 ±  2%     +11.4%    1020691 ±  2%  proc-vmstat.nr_zone_active_anon
   4614742            -1.5%    4547741        proc-vmstat.pgalloc_normal
   1667517            -1.0%    1650517        proc-vmstat.pgfault
   2150014            -2.9%    2087812        proc-vmstat.pgfree
    224.57 ±  3%    +862.1%       2160        proc-vmstat.pgmajfault
      1021            -7.2%     948.14        proc-vmstat.thp_fault_alloc
 2.679e+09 ±  3%      -7.5%  2.477e+09 ±  2%  perf-stat.i.branch-instructions
      0.80            +0.1        0.86        perf-stat.i.branch-miss-rate%
  27722463 ±  3%      -8.0%   25498433 ±  2%  perf-stat.i.branch-misses
  47056892 ±  6%     -11.2%   41804370 ±  6%  perf-stat.i.cache-misses
    397.43 ±  3%      -7.4%     368.14 ±  2%  perf-stat.i.cpu-migrations
      0.03 ±  4%      +0.0        0.03 ±  4%  perf-stat.i.dTLB-load-miss-rate%
   3146082 ±  5%     -13.9%    2707716 ±  5%  perf-stat.i.dTLB-load-misses
   1739613 ±  5%     -12.5%    1521663 ±  4%  perf-stat.i.dTLB-store-misses
      9.97 ±  5%    +712.5%      81.01 ±  3%  perf-stat.i.major-faults
     40.27 ±  4%      -8.2%      36.99 ±  3%  perf-stat.i.metric.M/sec
     58347 ±  4%     -11.5%      51627 ±  3%  perf-stat.i.minor-faults
     63.09 ±  6%      -5.8       57.29 ±  8%  perf-stat.i.node-load-miss-rate%
   6474191 ±  5%     -14.1%    5560267 ±  5%  perf-stat.i.node-loads
     58356 ±  4%     -11.4%      51708 ±  3%  perf-stat.i.page-faults
      0.98            -0.0        0.96        perf-stat.overall.branch-miss-rate%
    435.13 ±  3%     +10.0%     478.43 ±  4%  perf-stat.overall.cycles-between-cache-misses
      0.06 ±  2%      -0.0        0.06 ±  4%  perf-stat.overall.dTLB-load-miss-rate%
      0.08 ±  2%      -0.0        0.07 ±  2%  perf-stat.overall.dTLB-store-miss-rate%
 2.646e+09 ±  3%      -8.7%  2.415e+09 ±  2%  perf-stat.ps.branch-instructions
  25808992 ±  3%     -10.2%   23188954 ±  2%  perf-stat.ps.branch-misses
  45057464 ±  5%     -14.4%   38574053 ±  6%  perf-stat.ps.cache-misses
 1.428e+08 ±  3%      -9.7%  1.289e+08 ±  2%  perf-stat.ps.cache-references
    367.11 ±  2%      -7.4%     339.78 ±  2%  perf-stat.ps.cpu-migrations
   2972584 ±  5%     -17.3%    2458144 ±  5%  perf-stat.ps.dTLB-load-misses
 4.801e+09 ±  3%      -9.2%  4.359e+09 ±  2%  perf-stat.ps.dTLB-loads
   1715051 ±  5%     -14.7%    1462728 ±  4%  perf-stat.ps.dTLB-store-misses
 2.193e+09 ±  3%      -9.2%  1.992e+09 ±  2%  perf-stat.ps.dTLB-stores
  2.06e+10 ±  3%      -9.2%  1.871e+10 ±  2%  perf-stat.ps.instructions
      8.54 ±  4%    +768.3%      74.19 ±  2%  perf-stat.ps.major-faults
     59802 ±  3%     -11.0%      53218 ±  3%  perf-stat.ps.minor-faults
   6145046 ±  4%     -17.9%    5046537 ±  4%  perf-stat.ps.node-loads
     59810 ±  3%     -10.9%      53292 ±  3%  perf-stat.ps.page-faults




Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki