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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed a 7.8% regression of vm-scalability.throughput on: commit: 6af8cb80d3a9a6bbd521d8a7c949b4eafb7dba5d ("mm/rmap: basic MM owner tracking for large folios (!hugetlb)") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: vm-scalability config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 256 threads 2 sockets GENUINE INTEL(R) XEON(R) (Sierra Forest) with 128G memory parameters: runtime: 300s size: 8T test: anon-cow-seq 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/202504152235.188dcce9-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250415/202504152235.188dcce9-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/rootfs/runtime/size/tbox_group/test/testcase: gcc-12/performance/x86_64-rhel-9.4/debian-12-x86_64-20240206.cgz/300s/8T/lkp-srf-2sp1/anon-cow-seq/vm-scalability commit: 448854478a ("mm/rmap: use folio_large_nr_pages() in add/remove functions") 6af8cb80d3 ("mm/rmap: basic MM owner tracking for large folios (!hugetlb)") 448854478ab2f477 6af8cb80d3a9a6bbd521d8a7c94 ---------------- --------------------------- %stddev %change %stddev \ | \ 53400 +12.6% 60113 uptime.idle 1.457e+10 ± 3% +45.8% 2.125e+10 ± 3% cpuidle..time 9999188 ± 2% +41.4% 14142800 ± 2% cpuidle..usage 19401 ± 7% -21.8% 15176 ± 15% perf-c2c.DRAM.local 42430 ± 4% +51.6% 64345 ± 12% perf-c2c.HITM.local 52676 ± 6% +44.2% 75955 ± 11% perf-c2c.HITM.total 8.894e+08 -15.0% 7.557e+08 ± 7% numa-numastat.node0.local_node 8.895e+08 -15.0% 7.559e+08 ± 7% numa-numastat.node0.numa_hit 8.879e+08 -18.0% 7.284e+08 ± 8% numa-numastat.node1.local_node 8.88e+08 -18.0% 7.285e+08 ± 8% numa-numastat.node1.numa_hit 15.74 ± 4% +54.4% 24.31 ± 4% vmstat.cpu.id 214.36 -12.0% 188.68 vmstat.procs.r 9162 -6.0% 8609 ± 2% vmstat.system.cs 359131 -3.1% 347966 vmstat.system.in 15.07 ± 4% +8.8 23.85 ± 4% mpstat.cpu.all.idle% 0.67 -0.1 0.57 mpstat.cpu.all.irq% 0.17 ± 7% -0.0 0.14 ± 5% mpstat.cpu.all.soft% 75.25 -7.8 67.47 mpstat.cpu.all.sys% 4.42 -0.9 3.52 mpstat.cpu.all.usr% 30105953 -40.3% 17974636 ± 2% meminfo.Active 30105953 -40.3% 17974636 ± 2% meminfo.Active(anon) 28734383 -40.0% 17245061 ± 2% meminfo.AnonPages 88649090 +12.1% 99375037 meminfo.MemAvailable 89179467 +12.0% 99904712 meminfo.MemFree 42488096 -25.2% 31762847 meminfo.Memused 73422718 -16.1% 61622071 ± 5% meminfo.max_used_kB 14976533 ± 2% -40.8% 8859130 ± 2% numa-meminfo.node0.Active 14976533 ± 2% -40.8% 8859130 ± 2% numa-meminfo.node0.Active(anon) 14404444 ± 2% -40.1% 8625820 ± 2% numa-meminfo.node0.AnonPages 2961490 ± 40% -58.4% 1231139 ±129% numa-meminfo.node0.FilePages 43362532 ± 2% +16.4% 50494564 ± 3% numa-meminfo.node0.MemFree 22336223 ± 5% -31.9% 15204191 ± 11% numa-meminfo.node0.MemUsed 15156929 -39.9% 9115542 ± 3% numa-meminfo.node1.Active 15156929 -39.9% 9115542 ± 3% numa-meminfo.node1.Active(anon) 14334430 -39.9% 8615995 ± 3% numa-meminfo.node1.AnonPages 31426803 ± 4% -6.1% 29506154 ± 4% numa-meminfo.node1.AnonPages.max 20191977 ± 6% -18.0% 16564588 ± 8% numa-meminfo.node1.MemUsed 138520 -22.3% 107667 vm-scalability.median 3.14 ± 3% +6.4 9.57 ± 9% vm-scalability.median_stddev% 2.35 ± 8% +12.7 15.05 ± 7% vm-scalability.stddev% 36255698 -7.8% 33421568 vm-scalability.throughput 589253 ± 2% -36.1% 376589 ± 5% vm-scalability.time.involuntary_context_switches 1.772e+09 -16.5% 1.48e+09 vm-scalability.time.minor_page_faults 20491 -10.6% 18325 vm-scalability.time.percent_of_cpu_this_job_got 58690 -9.8% 52967 vm-scalability.time.system_time 3314 -19.5% 2668 vm-scalability.time.user_time 423126 -25.5% 315143 ± 2% vm-scalability.time.voluntary_context_switches 7.968e+09 -16.5% 6.652e+09 vm-scalability.workload 3752122 ± 2% -40.9% 2218075 ± 3% numa-vmstat.node0.nr_active_anon 3604567 ± 2% -40.1% 2157950 ± 2% numa-vmstat.node0.nr_anon_pages 740400 ± 40% -58.4% 307780 ±129% numa-vmstat.node0.nr_file_pages 10838075 ± 2% +16.4% 12619573 ± 3% numa-vmstat.node0.nr_free_pages 3751375 ± 2% -40.9% 2217819 ± 3% numa-vmstat.node0.nr_zone_active_anon 8.895e+08 -15.0% 7.559e+08 ± 7% numa-vmstat.node0.numa_hit 8.894e+08 -15.0% 7.557e+08 ± 7% numa-vmstat.node0.numa_local 3814298 -40.7% 2260493 ± 2% numa-vmstat.node1.nr_active_anon 3602611 -40.7% 2135607 ± 2% numa-vmstat.node1.nr_anon_pages 3813553 -40.7% 2260182 ± 2% numa-vmstat.node1.nr_zone_active_anon 8.88e+08 -18.0% 7.285e+08 ± 8% numa-vmstat.node1.numa_hit 8.879e+08 -18.0% 7.284e+08 ± 8% numa-vmstat.node1.numa_local 29828859 ± 10% -25.9% 22114899 ± 12% sched_debug.cfs_rq:/.avg_vruntime.avg 31729867 ± 10% -23.1% 24394442 ± 12% sched_debug.cfs_rq:/.avg_vruntime.max 27439158 ± 11% -30.2% 19146267 ± 13% sched_debug.cfs_rq:/.avg_vruntime.min 1805955 ± 23% -31.8% 1231121 ± 22% sched_debug.cfs_rq:/.left_deadline.stddev 1805948 ± 23% -31.8% 1231114 ± 22% sched_debug.cfs_rq:/.left_vruntime.stddev 29828862 ± 10% -25.9% 22114901 ± 12% sched_debug.cfs_rq:/.min_vruntime.avg 31729867 ± 10% -23.1% 24394442 ± 12% sched_debug.cfs_rq:/.min_vruntime.max 27439158 ± 11% -30.2% 19146267 ± 13% sched_debug.cfs_rq:/.min_vruntime.min 1805948 ± 23% -31.8% 1231116 ± 22% sched_debug.cfs_rq:/.right_vruntime.stddev 468.50 ± 5% -25.1% 351.00 ± 24% sched_debug.cfs_rq:/.util_est.avg 1538 ± 7% -27.1% 1121 ± 7% sched_debug.cfs_rq:/.util_est.max 291424 ± 4% -4.1% 279460 ± 4% sched_debug.cpu.clock_task.min 1210 ± 2% +12.2% 1357 ± 3% sched_debug.cpu.clock_task.stddev 24329 ± 7% -13.3% 21085 ± 6% sched_debug.cpu.curr->pid.max 5671 ± 7% -11.3% 5028 ± 10% sched_debug.cpu.nr_switches.avg 31944 ± 6% +25.3% 40025 ± 17% sched_debug.cpu.nr_switches.max 3279 ± 8% -18.3% 2678 ± 8% sched_debug.cpu.nr_switches.min 3073 ± 9% +29.1% 3967 ± 15% sched_debug.cpu.nr_switches.stddev 7540874 -40.6% 4480163 ± 2% proc-vmstat.nr_active_anon 7192890 -40.2% 4298978 ± 2% proc-vmstat.nr_anon_pages 2209141 +12.2% 2479543 proc-vmstat.nr_dirty_background_threshold 4423684 +12.2% 4965150 proc-vmstat.nr_dirty_threshold 22285247 +12.1% 24987745 proc-vmstat.nr_free_pages 45347 -1.1% 44832 proc-vmstat.nr_kernel_stack 34897 -8.5% 31928 proc-vmstat.nr_page_table_pages 7540867 -40.6% 4480162 ± 2% proc-vmstat.nr_zone_active_anon 144536 ± 6% +40.8% 203521 ± 9% proc-vmstat.numa_hint_faults_local 1.778e+09 -16.5% 1.484e+09 proc-vmstat.numa_hit 1475274 +57.2% 2319414 ± 2% proc-vmstat.numa_huge_pte_updates 1.777e+09 -16.5% 1.484e+09 proc-vmstat.numa_local 267417 -0.9% 264919 proc-vmstat.numa_other 1726476 ± 4% +182.5% 4877430 ± 3% proc-vmstat.numa_pages_migrated 7.943e+08 +51.1% 1.2e+09 ± 2% proc-vmstat.numa_pte_updates 1.793e+09 -16.2% 1.503e+09 proc-vmstat.pgalloc_normal 1.774e+09 -16.5% 1.481e+09 proc-vmstat.pgfault 1.793e+09 -16.2% 1.502e+09 proc-vmstat.pgfree 7187712 +18.2% 8494165 ± 2% proc-vmstat.pgmigrate_fail 1726476 ± 4% +182.5% 4877430 ± 3% proc-vmstat.pgmigrate_success 180904 -10.4% 162040 proc-vmstat.pgreuse 13401 -16.5% 11190 proc-vmstat.thp_fault_alloc 14046 +18.2% 16598 ± 2% proc-vmstat.thp_migration_fail 3199 ± 4% +193.0% 9375 ± 4% proc-vmstat.thp_migration_success 3430623 -16.5% 2864565 proc-vmstat.thp_split_pmd 8447 +16.5% 9841 proc-vmstat.unevictable_pgs_culled 3.45 +12.3% 3.87 perf-stat.i.MPKI 3.587e+10 -20.3% 2.859e+10 perf-stat.i.branch-instructions 0.06 +0.0 0.10 ± 6% perf-stat.i.branch-miss-rate% 16449735 +19.0% 19582727 perf-stat.i.branch-misses 54.86 +2.2 57.09 perf-stat.i.cache-miss-rate% 4.407e+08 -11.2% 3.915e+08 perf-stat.i.cache-misses 8.022e+08 -14.3% 6.875e+08 perf-stat.i.cache-references 9138 -4.7% 8709 ± 2% perf-stat.i.context-switches 4.31 +45.0% 6.25 ± 6% perf-stat.i.cpi 5.52e+11 -9.4% 5e+11 perf-stat.i.cpu-cycles 803.00 -9.9% 723.58 perf-stat.i.cpu-migrations 1255 +28.5% 1612 ± 6% perf-stat.i.cycles-between-cache-misses 1.278e+11 -20.4% 1.017e+11 perf-stat.i.instructions 0.24 -8.5% 0.22 perf-stat.i.ipc 45.69 -16.2% 38.30 perf-stat.i.metric.K/sec 5871870 -18.2% 4801162 perf-stat.i.minor-faults 5871868 -18.2% 4801161 perf-stat.i.page-faults 3.45 +11.8% 3.86 perf-stat.overall.MPKI 0.04 +0.0 0.07 perf-stat.overall.branch-miss-rate% 54.96 +2.0 56.96 perf-stat.overall.cache-miss-rate% 4.32 +12.5% 4.86 perf-stat.overall.cpi 0.23 -11.1% 0.21 perf-stat.overall.ipc 4825 -3.0% 4679 perf-stat.overall.path-length 3.562e+10 -19.1% 2.882e+10 perf-stat.ps.branch-instructions 15804911 +21.0% 19125930 perf-stat.ps.branch-misses 4.379e+08 -9.8% 3.95e+08 perf-stat.ps.cache-misses 7.968e+08 -13.0% 6.935e+08 perf-stat.ps.cache-references 9012 -5.3% 8538 ± 2% perf-stat.ps.context-switches 5.481e+11 -9.2% 4.975e+11 perf-stat.ps.cpu-cycles 793.13 -10.7% 708.06 perf-stat.ps.cpu-migrations 1.269e+11 -19.3% 1.024e+11 perf-stat.ps.instructions 5836046 -16.8% 4855858 perf-stat.ps.minor-faults 5836046 -16.8% 4855859 perf-stat.ps.page-faults 3.845e+13 -19.0% 3.113e+13 perf-stat.total.instructions 42.65 ±218% -99.7% 0.11 ±191% perf-sched.sch_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc 0.48 ±146% -99.8% 0.00 ±223% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open 2.29 ± 24% -60.6% 0.90 ± 36% perf-sched.sch_delay.avg.ms.__cond_resched.__split_huge_pmd.do_huge_pmd_wp_page.__handle_mm_fault.handle_mm_fault 0.25 ± 89% -93.4% 0.02 ± 59% perf-sched.sch_delay.avg.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary 4.09 ± 79% -92.4% 0.31 ±177% perf-sched.sch_delay.avg.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64 3.78 ± 97% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 2.93 ± 26% -64.2% 1.05 ± 24% perf-sched.sch_delay.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.82 ± 26% -49.9% 0.41 ± 52% perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 3.27 ± 23% +49.0% 4.87 ± 14% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown] 3.66 ± 22% -62.4% 1.38 ± 34% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 0.07 ± 23% +89.3% 0.14 ± 62% perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.98 ± 10% +30.9% 1.28 ± 23% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 170.74 ±217% -99.9% 0.20 ±200% perf-sched.sch_delay.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc 0.87 ±161% -99.9% 0.00 ±223% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open 10.33 ± 20% -51.8% 4.98 ± 36% perf-sched.sch_delay.max.ms.__cond_resched.__split_huge_pmd.do_huge_pmd_wp_page.__handle_mm_fault.handle_mm_fault 11.45 ± 47% -83.9% 1.84 ±145% perf-sched.sch_delay.max.ms.__cond_resched.change_pmd_range.isra.0.change_pud_range 1.13 ± 96% -98.2% 0.02 ± 54% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary 11.78 ± 66% -95.1% 0.58 ±190% perf-sched.sch_delay.max.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64 12.61 ±121% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 73.69 ±137% -83.0% 12.50 ± 35% perf-sched.sch_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 1.00 ±137% +1001.5% 11.02 ±162% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.folio_lock_anon_vma_read 0.09 ± 56% +319.7% 0.37 ± 65% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 9.93 ± 55% -77.0% 2.29 ±104% perf-sched.sch_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open 13.75 ± 31% +1908.6% 276.09 ±203% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 9.29 ± 13% +78.0% 16.54 ± 22% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof 818.50 ± 23% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 164.97 ±107% +241.3% 563.02 ± 31% perf-sched.wait_and_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 7.60 ± 8% -16.3% 6.36 ± 5% perf-sched.wait_and_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 9.12 ± 9% +41.1% 12.86 ± 7% perf-sched.wait_and_delay.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown] 830.40 ± 18% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.pipe_write.vfs_write.ksys_write.do_syscall_64 15.56 ± 4% -17.7% 12.81 ± 8% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 1608 ± 19% -81.7% 293.67 ± 15% perf-sched.wait_and_delay.count.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof 2.50 ± 68% -100.0% 0.00 perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 27.67 ± 70% -84.3% 4.33 ±134% perf-sched.wait_and_delay.count.__cond_resched.refresh_cpu_vm_stats.vmstat_update.process_one_work.worker_thread 3154 ± 20% -73.3% 842.50 ± 17% perf-sched.wait_and_delay.count.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 586.50 ± 5% +26.4% 741.50 ± 8% perf-sched.wait_and_delay.count.devkmsg_read.vfs_read.ksys_read.do_syscall_64 426.17 ± 25% -88.3% 49.67 ±141% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 3.67 ± 20% -100.0% 0.00 perf-sched.wait_and_delay.count.pipe_write.vfs_write.ksys_write.do_syscall_64 946.33 ± 12% +48.7% 1407 ± 17% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll 611.17 ± 6% +23.9% 757.17 ± 7% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 1027 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 1553 ± 5% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.pipe_write.vfs_write.ksys_write.do_syscall_64 5.87 ± 11% +126.7% 13.30 ± 25% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof 498.88 ± 57% -100.0% 0.00 ±223% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open 3.55 ±169% +514.3% 21.79 ± 30% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_noprof.inotify_handle_inode_event.send_to_group.fsnotify 4.09 ± 79% -92.4% 0.31 ±179% perf-sched.wait_time.avg.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64 814.72 ± 24% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 0.93 ± 73% -86.9% 0.12 ±122% perf-sched.wait_time.avg.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part 165.07 ±106% +240.8% 562.58 ± 31% perf-sched.wait_time.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 6.78 ± 6% -12.2% 5.95 ± 3% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 5.85 ± 5% +36.7% 8.00 ± 8% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown] 829.13 ± 19% -99.9% 0.91 ±223% perf-sched.wait_time.avg.ms.pipe_write.vfs_write.ksys_write.do_syscall_64 15.07 ± 4% -17.5% 12.43 ± 7% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 6.88 ± 33% -51.4% 3.34 ± 38% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 80.29 ± 10% +31.1% 105.26 ± 20% perf-sched.wait_time.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof 830.56 ± 44% -100.0% 0.00 ±223% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open 6.25 ±188% +2184.2% 142.83 ± 55% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_noprof.inotify_handle_inode_event.send_to_group.fsnotify 11.78 ± 66% -95.1% 0.58 ±190% perf-sched.wait_time.max.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64 1020 ± 2% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 14.39 ± 57% -83.7% 2.34 ±137% perf-sched.wait_time.max.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part 58.23 ± 39% +83.4% 106.83 ± 31% perf-sched.wait_time.max.ms.io_schedule.migration_entry_wait_on_locked.migration_entry_wait.do_swap_page 1553 ± 5% -99.9% 1.13 ±223% perf-sched.wait_time.max.ms.pipe_write.vfs_write.ksys_write.do_syscall_64 34.14 ± 80% +138.5% 81.42 ± 38% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 175.44 ±210% -98.7% 2.29 ±104% perf-sched.wait_time.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open 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