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X-OriginatorOrg: 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 | 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