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srKI2cgeZ3gjjIhL0hq6d7v+qi+Hu31NLo9LYSbGpL3xBG0fhvAbVvgfsryg5H6zzldGAE39QlKcOk4v7kuiSA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR11MB7693 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 52.2% regression of stress-ng.close.close_calls_per_sec on: commit: a914bd93f3edfedcdd59deb615e8dd1b3643cac5 ("fs: use fput_close() in filp_close()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 7cdabafc001202de9984f22c973305f424e0a8b7] [still regression on linux-next/master 01c6df60d5d4ae00cd5c1648818744838bba7763] testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 192 threads 2 sockets Intel(R) Xeon(R) Platinum 8468V CPU @ 2.4GHz (Sapphire Rapids) with 384G memory parameters: nr_threads: 100% testtime: 60s test: close cpufreq_governor: performance the data is not very stable, but the regression trend seems clear. a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json: "stress-ng.close.close_calls_per_sec": [ a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 193538.65, a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 232133.85, a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 276146.66, a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 193345.38, a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 209411.34, a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 254782.41 a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- ], 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json: "stress-ng.close.close_calls_per_sec": [ 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 427893.13, 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 456267.6, 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 509121.02, 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 544289.08, 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 354004.06, 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 552310.73 3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- ], 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/202504171513.6d6f8a16-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250417/202504171513.6d6f8a16-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/igk-spr-2sp1/close/stress-ng/60s commit: 3e46a92a27 ("fs: use fput_close_sync() in close()") a914bd93f3 ("fs: use fput_close() in filp_close()") 3e46a92a27c2927f a914bd93f3edfedcdd59deb615e ---------------- --------------------------- %stddev %change %stddev \ | \ 355470 ± 14% -17.6% 292767 ± 7% cpuidle..usage 5.19 -0.6 4.61 ± 3% mpstat.cpu.all.usr% 495615 ± 7% -38.5% 304839 ± 8% vmstat.system.cs 780096 ± 5% -23.5% 596446 ± 3% vmstat.system.in 2512168 ± 17% -45.8% 1361659 ± 71% sched_debug.cfs_rq:/.avg_vruntime.min 2512168 ± 17% -45.8% 1361659 ± 71% sched_debug.cfs_rq:/.min_vruntime.min 700402 ± 2% +19.8% 838744 ± 10% sched_debug.cpu.avg_idle.avg 81230 ± 6% -59.6% 32788 ± 69% sched_debug.cpu.nr_switches.avg 27992 ± 20% -70.2% 8345 ± 74% sched_debug.cpu.nr_switches.min 473980 ± 14% -52.2% 226559 ± 13% stress-ng.close.close_calls_per_sec 4004843 ± 8% -21.1% 3161813 ± 8% stress-ng.time.involuntary_context_switches 9475 +1.1% 9582 stress-ng.time.system_time 183.50 ± 2% -37.8% 114.20 ± 3% stress-ng.time.user_time 25637892 ± 6% -42.6% 14725385 ± 9% stress-ng.time.voluntary_context_switches 23.01 ± 2% -1.4 21.61 ± 3% perf-stat.i.cache-miss-rate% 17981659 -10.8% 16035508 ± 4% perf-stat.i.cache-misses 77288888 ± 2% -6.5% 72260357 ± 4% perf-stat.i.cache-references 504949 ± 6% -38.1% 312536 ± 8% perf-stat.i.context-switches 33030 +15.7% 38205 ± 4% perf-stat.i.cycles-between-cache-misses 4.34 ± 10% -38.3% 2.68 ± 20% perf-stat.i.metric.K/sec 26229 ± 44% +37.8% 36145 ± 4% perf-stat.overall.cycles-between-cache-misses 30.09 -12.8 17.32 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe 9.32 -9.3 0.00 perf-profile.calltrace.cycles-pp.fput.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.15 -5.9 35.26 perf-profile.calltrace.cycles-pp.__dup2 41.02 -5.9 35.17 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2 41.03 -5.8 35.18 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__dup2 13.86 -5.5 8.35 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64 40.21 -5.5 34.71 perf-profile.calltrace.cycles-pp.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2 38.01 -4.9 33.10 perf-profile.calltrace.cycles-pp.do_dup2.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2 4.90 ± 2% -1.9 2.96 ± 3% perf-profile.calltrace.cycles-pp.locks_remove_posix.filp_flush.filp_close.__do_sys_close_range.do_syscall_64 2.63 ± 9% -1.9 0.76 ± 18% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.filp_flush.filp_close.__do_sys_close_range.do_syscall_64 4.44 -1.7 2.76 ± 2% perf-profile.calltrace.cycles-pp.dnotify_flush.filp_flush.filp_close.__do_sys_close_range.do_syscall_64 2.50 ± 2% -0.9 1.56 ± 3% perf-profile.calltrace.cycles-pp.locks_remove_posix.filp_flush.filp_close.do_dup2.__x64_sys_dup2 2.22 -0.8 1.42 ± 2% perf-profile.calltrace.cycles-pp.dnotify_flush.filp_flush.filp_close.do_dup2.__x64_sys_dup2 1.66 ± 5% -0.3 1.37 ± 5% perf-profile.calltrace.cycles-pp.ksys_dup3.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2 1.60 ± 5% -0.3 1.32 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock.ksys_dup3.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.58 ± 2% +0.0 0.62 ± 2% perf-profile.calltrace.cycles-pp.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.54 ± 2% +0.0 0.58 ± 2% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault 0.72 ± 4% +0.1 0.79 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +1.8 1.79 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.fput_close.filp_close.__do_sys_close_range.do_syscall_64 19.11 +4.4 23.49 perf-profile.calltrace.cycles-pp.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe 40.94 +6.5 47.46 perf-profile.calltrace.cycles-pp.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 42.24 +6.6 48.79 perf-profile.calltrace.cycles-pp.syscall 42.14 +6.6 48.72 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall 42.14 +6.6 48.72 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 41.86 +6.6 48.46 perf-profile.calltrace.cycles-pp.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +14.6 14.60 ± 2% perf-profile.calltrace.cycles-pp.fput_close.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64 0.00 +29.0 28.95 ± 2% perf-profile.calltrace.cycles-pp.fput_close.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe 45.76 -19.0 26.72 perf-profile.children.cycles-pp.filp_flush 14.67 -14.7 0.00 perf-profile.children.cycles-pp.fput 41.20 -5.9 35.30 perf-profile.children.cycles-pp.__dup2 40.21 -5.5 34.71 perf-profile.children.cycles-pp.__x64_sys_dup2 38.53 -5.2 33.33 perf-profile.children.cycles-pp.do_dup2 7.81 ± 2% -3.1 4.74 ± 3% perf-profile.children.cycles-pp.locks_remove_posix 7.03 -2.6 4.40 ± 2% perf-profile.children.cycles-pp.dnotify_flush 1.24 ± 3% -0.4 0.86 ± 4% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 1.67 ± 5% -0.3 1.37 ± 5% perf-profile.children.cycles-pp.ksys_dup3 0.29 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.update_load_avg 0.10 ± 10% -0.1 0.05 ± 46% perf-profile.children.cycles-pp.__x64_sys_fcntl 0.17 ± 7% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.15 ± 3% -0.0 0.10 ± 18% perf-profile.children.cycles-pp.clockevents_program_event 0.06 ± 11% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.stress_close_func 0.13 ± 5% -0.0 0.10 ± 7% perf-profile.children.cycles-pp.__switch_to 0.06 ± 7% -0.0 0.04 ± 71% perf-profile.children.cycles-pp.lapic_next_deadline 0.11 ± 3% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.06 ± 6% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.__folio_batch_add_and_move 0.26 ± 2% +0.0 0.28 ± 3% perf-profile.children.cycles-pp.folio_remove_rmap_ptes 0.08 ± 4% +0.0 0.11 ± 10% perf-profile.children.cycles-pp.set_pte_range 0.45 ± 2% +0.0 0.48 ± 2% perf-profile.children.cycles-pp.zap_present_ptes 0.18 ± 3% +0.0 0.21 ± 4% perf-profile.children.cycles-pp.folios_put_refs 0.29 ± 3% +0.0 0.32 ± 3% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 0.29 ± 3% +0.0 0.32 ± 3% perf-profile.children.cycles-pp.free_pages_and_swap_cache 0.34 ± 4% +0.0 0.38 ± 3% perf-profile.children.cycles-pp.tlb_finish_mmu 0.24 ± 3% +0.0 0.27 ± 5% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.73 ± 2% +0.0 0.78 ± 2% perf-profile.children.cycles-pp.do_read_fault 0.69 ± 2% +0.0 0.74 ± 2% perf-profile.children.cycles-pp.filemap_map_pages 42.26 +6.5 48.80 perf-profile.children.cycles-pp.syscall 41.86 +6.6 48.46 perf-profile.children.cycles-pp.__do_sys_close_range 60.05 +10.9 70.95 perf-profile.children.cycles-pp.filp_close 0.00 +44.5 44.55 ± 2% perf-profile.children.cycles-pp.fput_close 14.31 ± 2% -14.3 0.00 perf-profile.self.cycles-pp.fput 30.12 ± 2% -13.0 17.09 perf-profile.self.cycles-pp.filp_flush 19.17 ± 2% -9.5 9.68 ± 3% perf-profile.self.cycles-pp.do_dup2 7.63 ± 3% -3.0 4.62 ± 4% perf-profile.self.cycles-pp.locks_remove_posix 6.86 ± 3% -2.6 4.28 ± 3% perf-profile.self.cycles-pp.dnotify_flush 0.64 ± 4% -0.4 0.26 ± 4% perf-profile.self.cycles-pp.syscall_exit_to_user_mode 0.22 ± 10% -0.1 0.15 ± 11% perf-profile.self.cycles-pp.x64_sys_call 0.23 ± 3% -0.1 0.17 ± 8% perf-profile.self.cycles-pp.__schedule 0.08 ± 19% -0.1 0.03 ±100% perf-profile.self.cycles-pp.pick_eevdf 0.06 ± 7% -0.0 0.03 ±100% perf-profile.self.cycles-pp.lapic_next_deadline 0.13 ± 7% -0.0 0.10 ± 10% perf-profile.self.cycles-pp.__switch_to 0.09 ± 8% -0.0 0.06 ± 8% perf-profile.self.cycles-pp.__update_load_avg_se 0.08 ± 4% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt 0.08 ± 9% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.06 ± 7% +0.0 0.08 ± 8% perf-profile.self.cycles-pp.filemap_map_pages 0.12 ± 3% +0.0 0.14 ± 4% perf-profile.self.cycles-pp.folios_put_refs 0.25 ± 2% +0.0 0.27 ± 3% perf-profile.self.cycles-pp.folio_remove_rmap_ptes 0.17 ± 5% +0.0 0.20 ± 6% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.00 +0.1 0.07 ± 5% perf-profile.self.cycles-pp.do_nanosleep 0.00 +0.1 0.10 ± 15% perf-profile.self.cycles-pp.filp_close 0.00 +43.9 43.86 ± 2% perf-profile.self.cycles-pp.fput_close 2.12 ± 47% +151.1% 5.32 ± 28% perf-sched.sch_delay.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.28 ± 60% +990.5% 3.08 ± 53% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.do_eventfd.__x64_sys_eventfd2.do_syscall_64 0.96 ± 28% +35.5% 1.30 ± 25% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_noprof.load_elf_phdrs.load_elf_binary.exec_binprm 2.56 ± 43% +964.0% 27.27 ±161% perf-sched.sch_delay.avg.ms.__cond_resched.dput.open_last_lookups.path_openat.do_filp_open 12.80 ±139% +366.1% 59.66 ±107% perf-sched.sch_delay.avg.ms.__cond_resched.dput.shmem_unlink.vfs_unlink.do_unlinkat 2.78 ± 25% +50.0% 4.17 ± 19% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_lru_noprof.__d_alloc.d_alloc_cursor.dcache_dir_open 0.78 ± 18% +39.3% 1.09 ± 19% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_shrink 2.63 ± 10% +16.7% 3.07 ± 4% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region 0.04 ±223% +3483.1% 1.38 ± 67% perf-sched.sch_delay.avg.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput 0.72 ± 17% +42.5% 1.02 ± 22% perf-sched.sch_delay.avg.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part 0.35 ±134% +457.7% 1.94 ± 61% perf-sched.sch_delay.avg.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64 1.88 ± 34% +574.9% 12.69 ±115% perf-sched.sch_delay.avg.ms.__cond_resched.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.41 ± 10% +18.0% 2.84 ± 9% perf-sched.sch_delay.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 1.85 ± 36% +155.6% 4.73 ± 50% perf-sched.sch_delay.avg.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault 28.94 ± 26% -52.4% 13.78 ± 36% perf-sched.sch_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 2.24 ± 9% +22.1% 2.74 ± 8% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_file_vma_batch_final 2.19 ± 7% +17.3% 2.57 ± 6% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.vma_link_file 2.39 ± 6% +16.4% 2.79 ± 9% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.vma_prepare 0.34 ± 77% +1931.5% 6.95 ± 99% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.do_eventfd.__x64_sys_eventfd2.do_syscall_64 29.69 ± 28% +129.5% 68.12 ± 28% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region 1.48 ± 96% +284.6% 5.68 ± 56% perf-sched.sch_delay.max.ms.__cond_resched.copy_strings_kernel.kernel_execve.call_usermodehelper_exec_async.ret_from_fork 3.59 ± 57% +124.5% 8.06 ± 45% perf-sched.sch_delay.max.ms.__cond_resched.down_read.mmap_read_lock_maybe_expand.get_arg_page.copy_string_kernel 3.39 ± 91% +112.0% 7.19 ± 44% perf-sched.sch_delay.max.ms.__cond_resched.down_read_killable.iterate_dir.__x64_sys_getdents64.do_syscall_64 22.16 ± 77% +117.4% 48.17 ± 34% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary 8.72 ± 17% +358.5% 39.98 ± 61% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma 0.04 ±223% +3484.4% 1.38 ± 67% perf-sched.sch_delay.max.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput 0.53 ±154% +676.1% 4.12 ± 61% perf-sched.sch_delay.max.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64 25.76 ± 70% +9588.9% 2496 ±127% perf-sched.sch_delay.max.ms.__cond_resched.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 51.53 ± 26% -58.8% 21.22 ±106% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 4.97 ± 48% +154.8% 12.66 ± 75% perf-sched.sch_delay.max.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault 4.36 ± 48% +147.7% 10.81 ± 29% perf-sched.wait_and_delay.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 108632 ± 4% +23.9% 134575 ± 6% perf-sched.wait_and_delay.count.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 572.67 ± 6% +37.3% 786.17 ± 7% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity 596.67 ± 12% +43.9% 858.50 ± 13% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.wait_for_completion_state.call_usermodehelper_exec.__request_module 294.83 ± 9% +31.1% 386.50 ± 11% perf-sched.wait_and_delay.count.__cond_resched.dput.terminate_walk.path_openat.do_filp_open 1223275 ± 2% -17.7% 1006293 ± 6% perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 2772 ± 11% +43.6% 3980 ± 11% perf-sched.wait_and_delay.count.do_wait.kernel_wait.call_usermodehelper_exec_work.process_one_work 11690 ± 7% +29.8% 15173 ± 10% perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault 4072 ±100% +163.7% 10737 ± 7% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown].[unknown] 8811 ± 6% +26.2% 11117 ± 9% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown] 662.17 ± 29% +187.8% 1905 ± 29% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 15.50 ± 11% +48.4% 23.00 ± 16% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll 167.67 ± 20% +48.0% 248.17 ± 26% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.open_last_lookups 2680 ± 12% +42.5% 3820 ± 11% perf-sched.wait_and_delay.count.schedule_timeout.___down_common.__down_timeout.down_timeout 137.17 ± 13% +31.8% 180.83 ± 9% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 2636 ± 12% +43.1% 3772 ± 12% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.call_usermodehelper_exec 10.50 ± 11% +74.6% 18.33 ± 23% perf-sched.wait_and_delay.count.schedule_timeout.kcompactd.kthread.ret_from_fork 5619 ± 5% +38.8% 7797 ± 9% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 70455 ± 4% +32.3% 93197 ± 6% perf-sched.wait_and_delay.count.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 6990 ± 4% +37.4% 9603 ± 9% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 191.28 ±124% +1455.2% 2974 ±100% perf-sched.wait_and_delay.max.ms.__cond_resched.dput.path_openat.do_filp_open.do_sys_openat2 2.24 ± 48% +144.6% 5.48 ± 29% perf-sched.wait_time.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 8.06 ±101% +618.7% 57.94 ± 68% perf-sched.wait_time.avg.ms.__cond_resched.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.28 ±146% +370.9% 1.30 ± 64% perf-sched.wait_time.avg.ms.__cond_resched.down_write.__split_vma.vms_gather_munmap_vmas.do_vmi_align_munmap 3.86 ± 5% +86.0% 7.18 ± 44% perf-sched.wait_time.avg.ms.__cond_resched.down_write.free_pgtables.exit_mmap.__mmput 2.54 ± 29% +51.6% 3.85 ± 12% perf-sched.wait_time.avg.ms.__cond_resched.down_write_killable.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.11 ± 39% +201.6% 3.36 ± 47% perf-sched.wait_time.avg.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary 3.60 ± 68% +1630.2% 62.29 ±153% perf-sched.wait_time.avg.ms.__cond_resched.dput.step_into.link_path_walk.part 0.20 ± 64% +115.4% 0.42 ± 42% perf-sched.wait_time.avg.ms.__cond_resched.filemap_read.__kernel_read.load_elf_binary.exec_binprm 55.51 ± 53% +218.0% 176.54 ± 83% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.security_inode_alloc.inode_init_always_gfp.alloc_inode 3.22 ± 3% +15.4% 3.72 ± 9% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.vms_gather_munmap_vmas 0.04 ±223% +37562.8% 14.50 ±198% perf-sched.wait_time.avg.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput 1.19 ± 30% +59.3% 1.90 ± 34% perf-sched.wait_time.avg.ms.__cond_resched.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap 0.36 ±133% +447.8% 1.97 ± 60% perf-sched.wait_time.avg.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64 1.73 ± 47% +165.0% 4.58 ± 51% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault 1.10 ± 21% +693.9% 8.70 ± 70% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_call_function_single.[unknown] 54.56 ± 32% +400.2% 272.90 ± 67% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 10.87 ± 18% +151.7% 27.36 ± 68% perf-sched.wait_time.max.ms.__cond_resched.__anon_vma_prepare.__vmf_anon_prepare.do_pte_missing.__handle_mm_fault 123.35 ±181% +1219.3% 1627 ± 82% perf-sched.wait_time.max.ms.__cond_resched.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 9.68 ±108% +5490.2% 541.19 ±185% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_noprof.do_epoll_create.__x64_sys_epoll_create.do_syscall_64 3.39 ± 91% +112.0% 7.19 ± 44% perf-sched.wait_time.max.ms.__cond_resched.down_read_killable.iterate_dir.__x64_sys_getdents64.do_syscall_64 1.12 ±128% +407.4% 5.67 ± 52% perf-sched.wait_time.max.ms.__cond_resched.down_write.__split_vma.vms_gather_munmap_vmas.do_vmi_align_munmap 30.58 ± 29% +1741.1% 563.04 ± 80% perf-sched.wait_time.max.ms.__cond_resched.down_write.free_pgtables.exit_mmap.__mmput 3.82 ±114% +232.1% 12.70 ± 49% perf-sched.wait_time.max.ms.__cond_resched.down_write.vms_gather_munmap_vmas.__mmap_prepare.__mmap_region 7.75 ± 46% +72.4% 13.36 ± 32% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe 13.39 ± 48% +259.7% 48.17 ± 34% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary 12.46 ± 30% +90.5% 23.73 ± 34% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 479.90 ± 78% +496.9% 2864 ±141% perf-sched.wait_time.max.ms.__cond_resched.dput.open_last_lookups.path_openat.do_filp_open 185.75 ±116% +875.0% 1811 ± 84% perf-sched.wait_time.max.ms.__cond_resched.dput.path_openat.do_filp_open.do_sys_openat2 2.52 ± 44% +105.2% 5.18 ± 36% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.alloc_bprm.kernel_execve 0.04 ±223% +37564.1% 14.50 ±198% perf-sched.wait_time.max.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput 0.54 ±153% +669.7% 4.15 ± 61% perf-sched.wait_time.max.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64 28.22 ± 14% +41.2% 39.84 ± 25% perf-sched.wait_time.max.ms.__cond_resched.unmap_vmas.vms_clear_ptes.part.0 4.90 ± 51% +158.2% 12.66 ± 75% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault 26.54 ± 66% +5220.1% 1411 ± 84% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_call_function_single.[unknown] 1262 ± 9% +434.3% 6744 ± 60% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 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