Hello, kernel test robot noticed a 818.0% improvement of filebench.sum_operations/s on: commit: ac0c18f2c693f0e7a44dbbb36b14d5141e5d20e5 ("fs/writeback: avoid to writeback non-expired inode in kupdate writeback") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: filebench test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory parameters: disk: 1HDD fs: ext4 fs2: nfsv4 test: randomwrite.f cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> ========================================================================================= compiler/cpufreq_governor/disk/fs2/fs/kconfig/rootfs/tbox_group/test/testcase: gcc-13/performance/1HDD/nfsv4/ext4/x86_64-rhel-8.3/debian-12-x86_64-20240206.cgz/lkp-icl-2sp6/randomwrite.f/filebench commit: fc253215f8 ("fs: Add kernel-doc comments to proc_create_net_data_write()") ac0c18f2c6 ("fs/writeback: avoid to writeback non-expired inode in kupdate writeback") fc253215f8e8d2a5 ac0c18f2c693f0e7a44dbbb36b1 ---------------- --------------------------- %stddev %change %stddev \ | \ 1257055 +33.1% 1673623 meminfo.Dirty 97.42 +1.1% 98.46 iostat.cpu.idle 2.33 ± 7% -47.8% 1.22 ± 7% iostat.cpu.iowait 2.35 ± 7% -1.1 1.23 ± 7% mpstat.cpu.all.iowait% 0.16 ± 4% +0.1 0.24 ± 2% mpstat.cpu.all.sys% 22.17 ± 82% +657.9% 168.00 ± 14% perf-c2c.DRAM.local 98.50 ± 94% -74.8% 24.83 ± 40% perf-c2c.HITM.local 13341 ± 38% +106.9% 27599 ± 21% sched_debug.cpu.nr_switches.stddev 0.04 ± 7% -47.1% 0.02 ± 41% sched_debug.cpu.nr_uninterruptible.avg 41575 ± 3% +6.3% 44196 vmstat.io.bo 3.03 ± 8% -47.7% 1.59 ± 6% vmstat.procs.b 1.37 ± 2% +10.5% 1.51 ± 2% vmstat.procs.r 9676 ± 10% +35.0% 13059 ± 10% vmstat.system.cs 4473 -6.2% 4194 ± 3% vmstat.system.in 5012814 ± 5% +13.2% 5673234 ± 3% proc-vmstat.nr_dirtied 314238 +33.1% 418124 proc-vmstat.nr_dirty 24034 -1.3% 23715 proc-vmstat.nr_kernel_stack 5012761 ± 5% +13.2% 5673199 ± 3% proc-vmstat.nr_written 332735 +33.0% 442500 proc-vmstat.nr_zone_write_pending 539.50 ± 19% +105.6% 1109 proc-vmstat.numa_hint_faults_local 7430 ± 2% +6.7% 7926 ± 2% proc-vmstat.pgactivate 10026626 ± 5% +13.2% 11347491 ± 3% proc-vmstat.pgpgout 175.90 ± 13% +818.0% 1614 ± 6% filebench.sum_bytes_mb/s 1351004 ± 13% +818.0% 12401696 ± 6% filebench.sum_operations 22514 ± 13% +818.0% 206677 ± 6% filebench.sum_operations/s 0.04 ± 13% -89.7% 0.00 ± 11% filebench.sum_time_ms/op 22515 ± 13% +818.0% 206677 ± 6% filebench.sum_writes/s 20050810 ± 5% +13.2% 22692570 ± 3% filebench.time.file_system_outputs 12975 +4.4% 13542 filebench.time.minor_page_faults 2.00 +508.3% 12.17 ± 5% filebench.time.percent_of_cpu_this_job_got 6.17 ± 8% +383.9% 29.86 ± 5% filebench.time.system_time 2.04 ± 3% +84.4% 3.77 ± 6% perf-stat.i.MPKI 1.312e+08 ± 2% +32.2% 1.735e+08 ± 3% perf-stat.i.branch-instructions 3.71 ± 3% -0.6 3.10 perf-stat.i.branch-miss-rate% 3944252 ± 2% -9.6% 3566223 perf-stat.i.branch-misses 4.47 +3.6 8.11 ± 6% perf-stat.i.cache-miss-rate% 2250860 ± 4% +172.9% 6141679 ± 3% perf-stat.i.cache-misses 18985216 ± 2% +51.8% 28823154 ± 3% perf-stat.i.cache-references 9715 ± 10% +35.2% 13135 ± 10% perf-stat.i.context-switches 9.856e+08 ± 2% +41.3% 1.392e+09 ± 2% perf-stat.i.cpu-cycles 211.07 ± 3% -31.1% 145.50 perf-stat.i.cpu-migrations 1274 ± 3% -11.3% 1130 ± 7% perf-stat.i.cycles-between-cache-misses 6.401e+08 ± 2% +30.6% 8.361e+08 ± 3% perf-stat.i.instructions 0.01 ± 81% +391.4% 0.07 ± 20% perf-stat.i.metric.K/sec 3.53 ± 5% +108.9% 7.36 ± 5% perf-stat.overall.MPKI 3.00 -0.9 2.06 ± 3% perf-stat.overall.branch-miss-rate% 11.88 ± 3% +9.5 21.34 ± 5% perf-stat.overall.cache-miss-rate% 1.54 +8.3% 1.67 ± 4% perf-stat.overall.cpi 438.13 ± 4% -48.2% 227.00 ± 4% perf-stat.overall.cycles-between-cache-misses 0.65 -7.5% 0.60 ± 4% perf-stat.overall.ipc 1.307e+08 ± 2% +32.3% 1.729e+08 ± 3% perf-stat.ps.branch-instructions 3922804 ± 2% -9.5% 3548766 perf-stat.ps.branch-misses 2245897 ± 4% +172.6% 6122601 ± 3% perf-stat.ps.cache-misses 18917228 ± 2% +51.8% 28724651 ± 3% perf-stat.ps.cache-references 9674 ± 10% +35.3% 13086 ± 10% perf-stat.ps.context-switches 9.826e+08 ± 2% +41.3% 1.388e+09 ± 2% perf-stat.ps.cpu-cycles 210.08 ± 3% -31.0% 144.88 perf-stat.ps.cpu-migrations 6.375e+08 ± 2% +30.7% 8.329e+08 ± 3% perf-stat.ps.instructions 1.522e+11 ± 4% +39.1% 2.118e+11 ± 2% perf-stat.total.instructions 10.25 ± 12% -8.0 2.26 ± 9% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 20.04 ± 12% -6.0 14.09 ± 17% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.calltrace.cycles-pp.ext4_do_writepages.ext4_writepages.do_writepages.filemap_fdatawrite_wbc.__filemap_fdatawrite_range 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.calltrace.cycles-pp.ext4_writepages.do_writepages.filemap_fdatawrite_wbc.__filemap_fdatawrite_range.file_write_and_wait_range 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.calltrace.cycles-pp.__filemap_fdatawrite_range.file_write_and_wait_range.ext4_sync_file.nfsd_commit.nfsd4_commit 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.calltrace.cycles-pp.do_writepages.filemap_fdatawrite_wbc.__filemap_fdatawrite_range.file_write_and_wait_range.ext4_sync_file 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.calltrace.cycles-pp.filemap_fdatawrite_wbc.__filemap_fdatawrite_range.file_write_and_wait_range.ext4_sync_file.nfsd_commit 6.56 ± 11% -5.0 1.56 ± 14% perf-profile.calltrace.cycles-pp.mpage_prepare_extent_to_map.ext4_do_writepages.ext4_writepages.do_writepages.filemap_fdatawrite_wbc 7.65 ± 17% -3.6 4.02 ± 9% perf-profile.calltrace.cycles-pp.rpc_async_schedule.process_one_work.worker_thread.kthread.ret_from_fork 7.63 ± 17% -3.6 4.02 ± 9% perf-profile.calltrace.cycles-pp.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread.kthread 3.04 ± 9% -1.7 1.37 ± 13% perf-profile.calltrace.cycles-pp.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_do_writepages.ext4_writepages.do_writepages 1.56 ± 54% -1.2 0.32 ±102% perf-profile.calltrace.cycles-pp.asm_common_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 1.55 ± 54% -1.2 0.32 ±102% perf-profile.calltrace.cycles-pp.common_interrupt.asm_common_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 2.60 ± 10% -1.1 1.46 ± 10% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 2.26 ± 7% -1.1 1.15 ± 14% perf-profile.calltrace.cycles-pp.mpage_submit_folio.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_do_writepages.ext4_writepages 2.39 ± 10% -1.0 1.36 ± 10% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 1.27 ± 16% -1.0 0.28 ±100% perf-profile.calltrace.cycles-pp.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 1.84 ± 7% -1.0 0.86 ± 14% perf-profile.calltrace.cycles-pp.ext4_bio_write_folio.mpage_submit_folio.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_do_writepages 1.07 ± 15% -0.5 0.60 ± 13% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 0.84 ± 16% -0.5 0.38 ± 71% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 1.06 ± 15% -0.5 0.60 ± 13% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.09 ± 17% -0.4 0.65 ± 12% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter 1.07 ± 17% -0.4 0.64 ± 11% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state 1.21 ± 12% -0.4 0.80 ± 29% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.common_startup_64 1.16 ± 12% -0.4 0.77 ± 29% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary 0.74 ± 4% -0.3 0.43 ± 71% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 0.74 ± 5% -0.3 0.43 ± 71% perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 0.77 ± 4% -0.3 0.52 ± 46% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 0.77 ± 4% -0.3 0.52 ± 46% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read 0.80 ± 4% -0.2 0.62 ± 14% perf-profile.calltrace.cycles-pp.read 0.49 ± 46% +0.4 0.85 ± 28% perf-profile.calltrace.cycles-pp.__memcpy.copy_page_from_iter_atomic.generic_perform_write.ext4_buffered_write_iter.do_iter_readv_writev 0.00 +0.6 0.60 ± 18% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__folio_start_writeback.nfs_page_async_flush.nfs_writepages_callback.write_cache_pages 0.00 +0.7 0.66 ± 26% perf-profile.calltrace.cycles-pp.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range.file_write_and_wait_range 0.20 ±142% +0.8 0.96 ± 14% perf-profile.calltrace.cycles-pp.__folio_start_writeback.nfs_page_async_flush.nfs_writepages_callback.write_cache_pages.nfs_writepages 2.40 ± 14% +1.1 3.47 ± 17% perf-profile.calltrace.cycles-pp.rwsem_spin_on_owner.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.ext4_buffered_write_iter 0.00 +3.1 3.14 ± 34% perf-profile.calltrace.cycles-pp.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range.file_write_and_wait_range.ext4_sync_file 0.00 +3.9 3.91 ± 35% perf-profile.calltrace.cycles-pp.folio_wait_writeback.__filemap_fdatawait_range.file_write_and_wait_range.ext4_sync_file.nfsd_commit 21.74 ± 7% +4.4 26.11 ± 6% perf-profile.calltrace.cycles-pp.nfsd.kthread.ret_from_fork.ret_from_fork_asm 21.70 ± 7% +4.4 26.11 ± 6% perf-profile.calltrace.cycles-pp.svc_recv.nfsd.kthread.ret_from_fork.ret_from_fork_asm 21.29 ± 6% +4.8 26.04 ± 6% perf-profile.calltrace.cycles-pp.svc_handle_xprt.svc_recv.nfsd.kthread.ret_from_fork 0.00 +5.1 5.10 ± 38% perf-profile.calltrace.cycles-pp.__filemap_fdatawait_range.file_write_and_wait_range.ext4_sync_file.nfsd_commit.nfsd4_commit 2.32 ± 39% +6.5 8.79 ± 26% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.ext4_buffered_write_iter 17.02 ± 7% +6.6 23.62 ± 7% perf-profile.calltrace.cycles-pp.svc_process.svc_handle_xprt.svc_recv.nfsd.kthread 17.02 ± 8% +6.6 23.62 ± 7% perf-profile.calltrace.cycles-pp.svc_process_common.svc_process.svc_handle_xprt.svc_recv.nfsd 16.84 ± 8% +6.8 23.61 ± 7% perf-profile.calltrace.cycles-pp.nfsd_dispatch.svc_process_common.svc_process.svc_handle_xprt.svc_recv 16.64 ± 8% +6.9 23.56 ± 7% perf-profile.calltrace.cycles-pp.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process.svc_handle_xprt 9.37 ± 13% +7.4 16.72 ± 20% perf-profile.calltrace.cycles-pp.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process 9.24 ± 14% +7.5 16.70 ± 20% perf-profile.calltrace.cycles-pp.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch.svc_process_common 9.18 ± 14% +7.5 16.69 ± 20% perf-profile.calltrace.cycles-pp.vfs_iter_write.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch 4.76 ± 25% +7.5 12.28 ± 23% perf-profile.calltrace.cycles-pp.down_write.ext4_buffered_write_iter.do_iter_readv_writev.vfs_iter_write.nfsd_vfs_write 4.74 ± 25% +7.5 12.26 ± 24% perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.ext4_buffered_write_iter.do_iter_readv_writev 4.75 ± 25% +7.5 12.28 ± 23% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.ext4_buffered_write_iter.do_iter_readv_writev.vfs_iter_write 9.16 ± 14% +7.5 16.69 ± 20% perf-profile.calltrace.cycles-pp.do_iter_readv_writev.vfs_iter_write.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound 9.15 ± 14% +7.5 16.68 ± 20% perf-profile.calltrace.cycles-pp.ext4_buffered_write_iter.do_iter_readv_writev.vfs_iter_write.nfsd_vfs_write.nfsd4_write 0.88 ± 54% +7.8 8.68 ± 26% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 4.79 ± 28% +9.6 14.40 ± 25% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__folio_end_writeback.folio_end_writeback.nfs_page_end_writeback 5.05 ± 28% +9.7 14.71 ± 25% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__folio_end_writeback.folio_end_writeback.nfs_page_end_writeback.nfs_write_completion 6.30 ± 24% +9.9 16.23 ± 23% perf-profile.calltrace.cycles-pp.__folio_end_writeback.folio_end_writeback.nfs_page_end_writeback.nfs_write_completion.rpc_free_task 6.54 ± 24% +10.0 16.58 ± 22% perf-profile.calltrace.cycles-pp.folio_end_writeback.nfs_page_end_writeback.nfs_write_completion.rpc_free_task.rpc_async_release 6.88 ± 23% +10.2 17.02 ± 22% perf-profile.calltrace.cycles-pp.nfs_page_end_writeback.nfs_write_completion.rpc_free_task.rpc_async_release.process_one_work 10.45 ± 11% -8.1 2.35 ± 9% perf-profile.children.cycles-pp.intel_idle 20.48 ± 12% -6.0 14.49 ± 17% perf-profile.children.cycles-pp.cpuidle_idle_call 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.children.cycles-pp.ext4_do_writepages 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.children.cycles-pp.ext4_writepages 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.children.cycles-pp.__filemap_fdatawrite_range 6.72 ± 11% -5.1 1.65 ± 13% perf-profile.children.cycles-pp.filemap_fdatawrite_wbc 6.58 ± 11% -5.0 1.56 ± 13% perf-profile.children.cycles-pp.mpage_prepare_extent_to_map 9.08 ± 15% -4.9 4.23 ± 8% perf-profile.children.cycles-pp.do_writepages 7.65 ± 17% -3.6 4.02 ± 9% perf-profile.children.cycles-pp.rpc_async_schedule 7.63 ± 17% -3.6 4.02 ± 9% perf-profile.children.cycles-pp.__rpc_execute 5.10 ± 10% -3.2 1.92 ± 19% perf-profile.children.cycles-pp.__schedule 3.89 ± 12% -2.8 1.10 ± 19% perf-profile.children.cycles-pp.schedule 2.78 ± 7% -2.4 0.34 ± 17% perf-profile.children.cycles-pp.pick_next_task_fair 2.73 ± 10% -2.3 0.41 ± 9% perf-profile.children.cycles-pp.newidle_balance 2.69 ± 9% -2.1 0.55 ± 8% perf-profile.children.cycles-pp.load_balance 5.99 ± 14% -2.0 3.94 ± 8% perf-profile.children.cycles-pp.sock_sendmsg 5.93 ± 14% -2.0 3.93 ± 8% perf-profile.children.cycles-pp.tcp_sendmsg 2.46 ± 9% -2.0 0.46 ± 10% perf-profile.children.cycles-pp.find_busiest_group 2.43 ± 9% -2.0 0.46 ± 9% perf-profile.children.cycles-pp.update_sd_lb_stats 2.22 ± 9% -1.8 0.40 ± 11% perf-profile.children.cycles-pp.update_sg_lb_stats 3.05 ± 9% -1.7 1.38 ± 13% perf-profile.children.cycles-pp.mpage_process_page_bufs 3.20 ± 10% -1.3 1.91 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 1.98 ± 13% -1.3 0.70 ± 28% perf-profile.children.cycles-pp.io_schedule 1.64 ± 55% -1.3 0.36 ± 80% perf-profile.children.cycles-pp.asm_common_interrupt 1.63 ± 56% -1.3 0.36 ± 80% perf-profile.children.cycles-pp.common_interrupt 1.37 ± 31% -1.2 0.13 ± 24% perf-profile.children.cycles-pp.svc_send 1.36 ± 31% -1.2 0.13 ± 25% perf-profile.children.cycles-pp.svc_tcp_sendto 2.92 ± 10% -1.1 1.77 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 2.27 ± 7% -1.1 1.15 ± 14% perf-profile.children.cycles-pp.mpage_submit_folio 1.12 ± 28% -1.0 0.12 ± 26% perf-profile.children.cycles-pp.svc_tcp_sendmsg 1.84 ± 6% -1.0 0.86 ± 14% perf-profile.children.cycles-pp.ext4_bio_write_folio 1.04 ± 26% -1.0 0.06 ± 46% perf-profile.children.cycles-pp.__queue_work 1.10 ± 25% -1.0 0.14 ± 16% perf-profile.children.cycles-pp.tick_nohz_idle_stop_tick 1.09 ± 25% -1.0 0.14 ± 13% perf-profile.children.cycles-pp.tick_nohz_stop_tick 1.03 ± 24% -1.0 0.08 ± 5% perf-profile.children.cycles-pp.xs_stream_data_receive_workfn 1.03 ± 24% -0.9 0.08 ± 8% perf-profile.children.cycles-pp.xs_read_stream 1.42 ± 24% -0.9 0.50 ± 16% perf-profile.children.cycles-pp.tcp_write_xmit 0.87 ± 32% -0.8 0.04 ± 71% perf-profile.children.cycles-pp.queue_work_on 1.27 ± 23% -0.8 0.47 ± 16% perf-profile.children.cycles-pp.__tcp_transmit_skb 1.30 ± 15% -0.8 0.51 ± 15% perf-profile.children.cycles-pp.menu_select 1.14 ± 23% -0.7 0.41 ± 14% perf-profile.children.cycles-pp.inet6_csk_xmit 0.75 ± 44% -0.7 0.05 ± 46% perf-profile.children.cycles-pp.intel_idle_irq 1.07 ± 24% -0.7 0.38 ± 14% perf-profile.children.cycles-pp.ip6_xmit 0.71 ± 12% -0.7 0.03 ±100% perf-profile.children.cycles-pp.submit_bio_noacct_nocheck 1.01 ± 24% -0.7 0.34 ± 14% perf-profile.children.cycles-pp.__local_bh_enable_ip 0.69 ± 13% -0.7 0.03 ±100% perf-profile.children.cycles-pp.blk_mq_submit_bio 1.02 ± 24% -0.7 0.36 ± 13% perf-profile.children.cycles-pp.ip6_finish_output 1.00 ± 24% -0.6 0.36 ± 13% perf-profile.children.cycles-pp.ip6_finish_output2 0.69 ± 22% -0.6 0.06 ± 11% perf-profile.children.cycles-pp.lock_sock_nested 0.97 ± 23% -0.6 0.35 ± 13% perf-profile.children.cycles-pp.__dev_queue_xmit 0.60 ± 24% -0.6 0.04 ± 73% perf-profile.children.cycles-pp.kick_pool 0.93 ± 25% -0.5 0.38 ± 9% perf-profile.children.cycles-pp.net_rx_action 0.55 ± 35% -0.5 0.02 ± 99% perf-profile.children.cycles-pp.call_encode 0.88 ± 19% -0.5 0.36 ± 7% perf-profile.children.cycles-pp.release_sock 0.79 ± 37% -0.5 0.28 ± 27% perf-profile.children.cycles-pp.__tcp_push_pending_frames 0.52 ± 22% -0.5 0.02 ± 99% perf-profile.children.cycles-pp.__lock_sock 0.54 ± 16% -0.5 0.08 ± 23% perf-profile.children.cycles-pp.tick_nohz_restart_sched_tick 0.66 ± 25% -0.5 0.20 ± 21% perf-profile.children.cycles-pp.__napi_poll 0.66 ± 25% -0.5 0.20 ± 21% perf-profile.children.cycles-pp.process_backlog 0.63 ± 26% -0.4 0.20 ± 19% perf-profile.children.cycles-pp.__netif_receive_skb_one_core 1.36 ± 14% -0.4 0.92 ± 9% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 1.29 ± 11% -0.4 0.85 ± 26% perf-profile.children.cycles-pp.schedule_idle 1.33 ± 14% -0.4 0.90 ± 9% perf-profile.children.cycles-pp.hrtimer_interrupt 0.59 ± 26% -0.4 0.18 ± 20% perf-profile.children.cycles-pp.ip6_input_finish 0.79 ± 17% -0.4 0.39 ± 15% perf-profile.children.cycles-pp.tick_nohz_idle_exit 0.58 ± 26% -0.4 0.18 ± 20% perf-profile.children.cycles-pp.ip6_protocol_deliver_rcu 0.48 ± 22% -0.4 0.08 ± 11% perf-profile.children.cycles-pp.rcu_core 0.53 ± 12% -0.4 0.14 ± 18% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length 0.56 ± 26% -0.4 0.17 ± 19% perf-profile.children.cycles-pp.tcp_v6_rcv 0.79 ± 7% -0.4 0.43 ± 9% perf-profile.children.cycles-pp.asm_exc_page_fault 0.63 ± 20% -0.4 0.28 ± 24% perf-profile.children.cycles-pp.activate_task 0.41 ± 22% -0.3 0.06 ± 17% perf-profile.children.cycles-pp.rcu_do_batch 0.43 ± 22% -0.3 0.08 ± 22% perf-profile.children.cycles-pp.__get_next_timer_interrupt 0.82 ± 11% -0.3 0.48 ± 27% perf-profile.children.cycles-pp.kmem_cache_free 0.45 ± 6% -0.3 0.12 ± 17% perf-profile.children.cycles-pp.asm_sysvec_call_function_single 0.73 ± 20% -0.3 0.40 ± 12% perf-profile.children.cycles-pp.tcp_v6_do_rcv 0.39 ± 16% -0.3 0.06 ± 19% perf-profile.children.cycles-pp.cpu_util 0.60 ± 21% -0.3 0.27 ± 21% perf-profile.children.cycles-pp.enqueue_task_fair 1.06 ± 14% -0.3 0.73 ± 13% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.39 ± 22% -0.3 0.07 ± 19% perf-profile.children.cycles-pp.hrtimer_start_range_ns 0.74 ± 12% -0.3 0.42 ± 8% perf-profile.children.cycles-pp.__x64_sys_execve 0.73 ± 12% -0.3 0.42 ± 8% perf-profile.children.cycles-pp.execve 0.73 ± 12% -0.3 0.42 ± 8% perf-profile.children.cycles-pp.do_execveat_common 0.40 ± 22% -0.3 0.10 ± 31% perf-profile.children.cycles-pp.finish_task_switch 0.56 ± 18% -0.3 0.26 ± 15% perf-profile.children.cycles-pp.ktime_get 0.68 ± 10% -0.3 0.38 ± 19% perf-profile.children.cycles-pp.cmd_stat 0.68 ± 10% -0.3 0.38 ± 19% perf-profile.children.cycles-pp.dispatch_events 0.68 ± 11% -0.3 0.38 ± 19% perf-profile.children.cycles-pp.process_interval 0.67 ± 11% -0.3 0.38 ± 8% perf-profile.children.cycles-pp.exc_page_fault 0.66 ± 11% -0.3 0.37 ± 8% perf-profile.children.cycles-pp.do_user_addr_fault 0.66 ± 11% -0.3 0.37 ± 19% perf-profile.children.cycles-pp.read_counters 1.02 ± 6% -0.3 0.74 ± 15% perf-profile.children.cycles-pp.read 0.66 ± 20% -0.3 0.38 ± 13% perf-profile.children.cycles-pp.tcp_rcv_established 0.32 ± 25% -0.3 0.04 ± 73% perf-profile.children.cycles-pp.fh_verify 0.46 ± 20% -0.3 0.19 ± 26% perf-profile.children.cycles-pp.enqueue_entity 0.38 ± 8% -0.3 0.11 ± 18% perf-profile.children.cycles-pp.tick_nohz_next_event 0.89 ± 14% -0.3 0.63 ± 12% perf-profile.children.cycles-pp.tick_nohz_handler 0.30 ± 26% -0.3 0.03 ±101% perf-profile.children.cycles-pp.need_update 0.30 ± 23% -0.3 0.03 ±102% perf-profile.children.cycles-pp.nfs_pageio_doio 0.50 ± 11% -0.3 0.24 ± 32% perf-profile.children.cycles-pp.dequeue_task_fair 0.29 ± 22% -0.3 0.03 ±102% perf-profile.children.cycles-pp.nfs_generic_pg_pgios 0.30 ± 25% -0.3 0.04 ± 73% perf-profile.children.cycles-pp.quiet_vmstat 0.53 ± 20% -0.2 0.28 ± 9% perf-profile.children.cycles-pp.sched_setaffinity 0.59 ± 11% -0.2 0.35 ± 8% perf-profile.children.cycles-pp.handle_mm_fault 0.48 ± 31% -0.2 0.24 ± 18% perf-profile.children.cycles-pp.__x64_sys_openat 0.45 ± 28% -0.2 0.21 ± 21% perf-profile.children.cycles-pp.path_openat 0.48 ± 32% -0.2 0.24 ± 18% perf-profile.children.cycles-pp.do_sys_openat2 0.45 ± 28% -0.2 0.22 ± 22% perf-profile.children.cycles-pp.do_filp_open 0.94 ± 7% -0.2 0.70 ± 16% perf-profile.children.cycles-pp.ksys_read 0.51 ± 17% -0.2 0.27 ± 6% perf-profile.children.cycles-pp.bprm_execve 0.92 ± 6% -0.2 0.69 ± 17% perf-profile.children.cycles-pp.vfs_read 0.30 ± 24% -0.2 0.08 ± 24% perf-profile.children.cycles-pp.idle_cpu 0.33 ± 20% -0.2 0.10 ± 23% perf-profile.children.cycles-pp.update_blocked_averages 0.45 ± 16% -0.2 0.23 ± 3% perf-profile.children.cycles-pp.exec_binprm 0.47 ± 16% -0.2 0.25 ± 32% perf-profile.children.cycles-pp.__slab_free 0.33 ± 9% -0.2 0.11 ± 16% perf-profile.children.cycles-pp.sysvec_call_function_single 0.67 ± 14% -0.2 0.45 ± 11% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.45 ± 16% -0.2 0.23 ± 3% perf-profile.children.cycles-pp.search_binary_handler 0.55 ± 11% -0.2 0.33 ± 10% perf-profile.children.cycles-pp.__handle_mm_fault 0.42 ± 12% -0.2 0.20 ± 32% perf-profile.children.cycles-pp.dequeue_entity 0.42 ± 18% -0.2 0.20 ± 28% perf-profile.children.cycles-pp.update_load_avg 0.43 ± 19% -0.2 0.22 ± 6% perf-profile.children.cycles-pp.load_elf_binary 0.72 ± 11% -0.2 0.51 ± 11% perf-profile.children.cycles-pp.update_process_times 0.30 ± 11% -0.2 0.10 ± 15% perf-profile.children.cycles-pp.clockevents_program_event 0.43 ± 17% -0.2 0.24 ± 12% perf-profile.children.cycles-pp.vm_mmap_pgoff 0.48 ± 16% -0.2 0.30 ± 16% perf-profile.children.cycles-pp.smpboot_thread_fn 0.41 ± 18% -0.2 0.23 ± 12% perf-profile.children.cycles-pp.do_mmap 0.36 ± 23% -0.2 0.18 ± 27% perf-profile.children.cycles-pp.sched_clock_cpu 0.26 ± 34% -0.2 0.10 ± 26% perf-profile.children.cycles-pp.__check_object_size 0.65 ± 16% -0.2 0.49 ± 9% perf-profile.children.cycles-pp.nfs_free_request 0.22 ± 32% -0.2 0.06 ± 50% perf-profile.children.cycles-pp.tcp_data_queue 0.37 ± 20% -0.2 0.21 ± 13% perf-profile.children.cycles-pp.mmap_region 0.34 ± 14% -0.2 0.19 ± 9% perf-profile.children.cycles-pp.evlist_cpu_iterator__next 0.31 ± 20% -0.2 0.16 ± 27% perf-profile.children.cycles-pp.sched_clock 0.33 ± 12% -0.2 0.18 ± 13% perf-profile.children.cycles-pp.__mmput 0.32 ± 10% -0.2 0.17 ± 14% perf-profile.children.cycles-pp.exit_mmap 0.26 ± 21% -0.1 0.11 ± 18% perf-profile.children.cycles-pp.tcp_ack 0.34 ± 15% -0.1 0.20 ± 21% perf-profile.children.cycles-pp.__x64_sys_exit_group 0.19 ± 24% -0.1 0.05 ± 75% perf-profile.children.cycles-pp.check_heap_object 0.34 ± 15% -0.1 0.20 ± 21% perf-profile.children.cycles-pp.do_exit 0.33 ± 14% -0.1 0.19 ± 18% perf-profile.children.cycles-pp.do_fault 0.34 ± 15% -0.1 0.20 ± 21% perf-profile.children.cycles-pp.do_group_exit 0.30 ± 17% -0.1 0.16 ± 10% perf-profile.children.cycles-pp.ksys_mmap_pgoff 0.25 ± 28% -0.1 0.11 ± 13% perf-profile.children.cycles-pp.read_tsc 0.28 ± 29% -0.1 0.14 ± 18% perf-profile.children.cycles-pp.setlocale 0.63 ± 10% -0.1 0.50 ± 11% perf-profile.children.cycles-pp.nfs_page_group_sync_on_bit 0.19 ± 39% -0.1 0.05 ± 53% perf-profile.children.cycles-pp.refcount_dec_not_one 0.33 ± 26% -0.1 0.20 ± 23% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.18 ± 36% -0.1 0.05 ± 73% perf-profile.children.cycles-pp.simple_copy_to_iter 0.28 ± 15% -0.1 0.16 ± 19% perf-profile.children.cycles-pp.do_read_fault 0.38 ± 20% -0.1 0.26 ± 21% perf-profile.children.cycles-pp.native_sched_clock 0.18 ± 7% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.irqtime_account_irq 0.31 ± 14% -0.1 0.19 ± 19% perf-profile.children.cycles-pp.irq_enter_rcu 0.21 ± 24% -0.1 0.09 ± 20% perf-profile.children.cycles-pp.tcp_clean_rtx_queue 0.20 ± 26% -0.1 0.08 ± 49% perf-profile.children.cycles-pp.__open64_nocancel 0.62 ± 6% -0.1 0.50 ± 14% perf-profile.children.cycles-pp.seq_read_iter 0.20 ± 16% -0.1 0.08 ± 35% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.26 ± 11% -0.1 0.14 ± 20% perf-profile.children.cycles-pp.filemap_map_pages 0.14 ± 33% -0.1 0.03 ±100% perf-profile.children.cycles-pp.svc_alloc_arg 0.15 ± 12% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.lapic_next_deadline 0.20 ± 18% -0.1 0.09 ± 23% perf-profile.children.cycles-pp.native_irq_return_iret 0.25 ± 15% -0.1 0.14 ± 17% perf-profile.children.cycles-pp.exit_mm 0.15 ± 25% -0.1 0.04 ± 72% perf-profile.children.cycles-pp.__alloc_pages_bulk 0.24 ± 20% -0.1 0.13 ± 8% perf-profile.children.cycles-pp.__x64_sys_sched_setaffinity 0.18 ± 35% -0.1 0.08 ± 39% perf-profile.children.cycles-pp.set_next_entity 0.26 ± 21% -0.1 0.15 ± 13% perf-profile.children.cycles-pp.prepare_task_switch 0.22 ± 17% -0.1 0.12 ± 19% perf-profile.children.cycles-pp.___perf_sw_event 0.29 ± 15% -0.1 0.19 ± 18% perf-profile.children.cycles-pp.tick_irq_enter 0.14 ± 34% -0.1 0.04 ± 73% perf-profile.children.cycles-pp.raw_spin_rq_lock_nested 0.13 ± 22% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.tag_pages_for_writeback 0.22 ± 19% -0.1 0.12 ± 29% perf-profile.children.cycles-pp.readn 0.25 ± 34% -0.1 0.16 ± 17% perf-profile.children.cycles-pp.link_path_walk 0.16 ± 19% -0.1 0.07 ± 59% perf-profile.children.cycles-pp.update_curr 0.21 ± 24% -0.1 0.12 ± 10% perf-profile.children.cycles-pp.__sched_setaffinity 0.18 ± 16% -0.1 0.08 ± 54% perf-profile.children.cycles-pp.evsel__read_counter 0.13 ± 24% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.18 ± 38% -0.1 0.09 ± 14% perf-profile.children.cycles-pp.cpuidle_governor_latency_req 0.18 ± 33% -0.1 0.09 ± 23% perf-profile.children.cycles-pp.do_vmi_munmap 0.14 ± 13% -0.1 0.05 ± 80% perf-profile.children.cycles-pp.perf_read 0.19 ± 27% -0.1 0.10 ± 11% perf-profile.children.cycles-pp.__set_cpus_allowed_ptr 0.17 ± 31% -0.1 0.08 ± 26% perf-profile.children.cycles-pp.do_vmi_align_munmap 0.32 ± 14% -0.1 0.23 ± 12% perf-profile.children.cycles-pp.scheduler_tick 0.12 ± 28% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.arch_cpu_idle_enter 0.11 ± 25% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.tsc_verify_tsc_adjust 0.11 ± 59% -0.1 0.03 ±101% perf-profile.children.cycles-pp.bio_add_folio 0.16 ± 26% -0.1 0.08 ± 23% perf-profile.children.cycles-pp.unmap_page_range 0.16 ± 26% -0.1 0.09 ± 21% perf-profile.children.cycles-pp.unmap_vmas 0.13 ± 27% -0.1 0.06 ± 47% perf-profile.children.cycles-pp.run_rebalance_domains 0.10 ± 12% -0.1 0.03 ±100% perf-profile.children.cycles-pp.proc_reg_read_iter 0.14 ± 25% -0.1 0.07 ± 21% perf-profile.children.cycles-pp.zap_pmd_range 0.14 ± 12% -0.1 0.06 ± 47% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore 0.16 ± 27% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.ct_idle_exit 0.16 ± 23% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.elf_load 0.11 ± 19% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.exec_mmap 0.14 ± 26% -0.1 0.07 ± 21% perf-profile.children.cycles-pp.zap_pte_range 0.09 ± 27% -0.1 0.03 ±100% perf-profile.children.cycles-pp.get_cpu_device 0.13 ± 29% -0.1 0.07 ± 35% perf-profile.children.cycles-pp.__update_load_avg_se 0.09 ± 18% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.tlb_finish_mmu 0.10 ± 23% -0.1 0.04 ± 79% perf-profile.children.cycles-pp.zap_present_ptes 0.12 ± 21% -0.1 0.06 ± 14% perf-profile.children.cycles-pp.begin_new_exec 0.10 ± 31% -0.1 0.05 ± 49% perf-profile.children.cycles-pp.__split_vma 0.09 ± 23% -0.1 0.03 ±103% perf-profile.children.cycles-pp.update_sg_wakeup_stats 0.12 ± 22% -0.0 0.07 ± 18% perf-profile.children.cycles-pp.ct_kernel_enter 0.08 ± 12% -0.0 0.03 ±100% perf-profile.children.cycles-pp.alloc_empty_file 0.10 ± 23% -0.0 0.05 ± 50% perf-profile.children.cycles-pp.find_idlest_cpu 0.10 ± 24% -0.0 0.05 ± 50% perf-profile.children.cycles-pp.find_idlest_group 0.11 ± 22% -0.0 0.07 ± 10% perf-profile.children.cycles-pp.mod_zone_page_state 0.12 ± 17% -0.0 0.08 ± 17% perf-profile.children.cycles-pp.write 0.11 ± 14% -0.0 0.07 ± 21% perf-profile.children.cycles-pp.ksys_write 0.02 ±141% +0.1 0.08 ± 35% perf-profile.children.cycles-pp.nfs_page_group_lock_head 0.14 ± 33% +0.1 0.24 ± 20% perf-profile.children.cycles-pp.tick_nohz_stop_idle 1.04 ± 22% +0.6 1.62 ± 11% perf-profile.children.cycles-pp.__folio_start_writeback 2.40 ± 14% +1.1 3.48 ± 17% perf-profile.children.cycles-pp.rwsem_spin_on_owner 0.01 ±223% +3.9 3.93 ± 35% perf-profile.children.cycles-pp.folio_wait_writeback 21.74 ± 7% +4.4 26.11 ± 6% perf-profile.children.cycles-pp.nfsd 21.70 ± 7% +4.4 26.11 ± 6% perf-profile.children.cycles-pp.svc_recv 21.29 ± 6% +4.8 26.04 ± 6% perf-profile.children.cycles-pp.svc_handle_xprt 0.00 +5.1 5.11 ± 38% perf-profile.children.cycles-pp.__filemap_fdatawait_range 17.02 ± 7% +6.6 23.62 ± 7% perf-profile.children.cycles-pp.svc_process 17.02 ± 7% +6.6 23.62 ± 7% perf-profile.children.cycles-pp.svc_process_common 16.84 ± 8% +6.8 23.61 ± 7% perf-profile.children.cycles-pp.nfsd_dispatch 16.64 ± 8% +6.9 23.56 ± 7% perf-profile.children.cycles-pp.nfsd4_proc_compound 9.37 ± 13% +7.4 16.72 ± 20% perf-profile.children.cycles-pp.nfsd4_write 9.24 ± 14% +7.5 16.70 ± 20% perf-profile.children.cycles-pp.nfsd_vfs_write 9.18 ± 14% +7.5 16.69 ± 20% perf-profile.children.cycles-pp.vfs_iter_write 4.81 ± 25% +7.5 12.32 ± 23% perf-profile.children.cycles-pp.down_write 4.74 ± 25% +7.5 12.26 ± 24% perf-profile.children.cycles-pp.rwsem_optimistic_spin 9.16 ± 14% +7.5 16.69 ± 20% perf-profile.children.cycles-pp.do_iter_readv_writev 4.75 ± 25% +7.5 12.28 ± 23% perf-profile.children.cycles-pp.rwsem_down_write_slowpath 9.15 ± 14% +7.5 16.69 ± 20% perf-profile.children.cycles-pp.ext4_buffered_write_iter 0.95 ± 39% +7.7 8.69 ± 26% perf-profile.children.cycles-pp.poll_idle 7.20 ± 22% +9.6 16.76 ± 21% perf-profile.children.cycles-pp.__folio_end_writeback 6.34 ± 23% +10.0 16.36 ± 21% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 6.88 ± 23% +10.1 17.03 ± 22% perf-profile.children.cycles-pp.nfs_page_end_writeback 12.91 ± 15% +10.5 23.36 ± 17% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 7.45 ± 21% +11.0 18.46 ± 17% perf-profile.children.cycles-pp.folio_end_writeback 10.45 ± 11% -8.1 2.35 ± 9% perf-profile.self.cycles-pp.intel_idle 1.46 ± 11% -1.2 0.30 ± 12% perf-profile.self.cycles-pp.update_sg_lb_stats 0.68 ± 43% -0.6 0.04 ± 71% perf-profile.self.cycles-pp.intel_idle_irq 0.34 ± 17% -0.3 0.03 ±100% perf-profile.self.cycles-pp.cpu_util 0.57 ± 16% -0.3 0.26 ± 20% perf-profile.self.cycles-pp.menu_select 0.31 ± 11% -0.3 0.02 ± 99% perf-profile.self.cycles-pp.mpage_prepare_extent_to_map 0.50 ± 13% -0.3 0.22 ± 22% perf-profile.self.cycles-pp.cpuidle_enter_state 0.28 ± 26% -0.2 0.06 ± 49% perf-profile.self.cycles-pp.idle_cpu 0.62 ± 13% -0.2 0.40 ± 14% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.46 ± 15% -0.2 0.25 ± 32% perf-profile.self.cycles-pp.__slab_free 0.39 ± 14% -0.2 0.19 ± 68% perf-profile.self.cycles-pp.try_to_wake_up 0.32 ± 25% -0.2 0.16 ± 17% perf-profile.self.cycles-pp.ktime_get 0.18 ± 34% -0.1 0.04 ± 77% perf-profile.self.cycles-pp.refcount_dec_not_one 0.24 ± 28% -0.1 0.11 ± 12% perf-profile.self.cycles-pp.read_tsc 0.38 ± 21% -0.1 0.25 ± 21% perf-profile.self.cycles-pp.native_sched_clock 0.15 ± 12% -0.1 0.03 ±100% perf-profile.self.cycles-pp.lapic_next_deadline 0.20 ± 16% -0.1 0.07 ± 32% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.20 ± 18% -0.1 0.09 ± 23% perf-profile.self.cycles-pp.native_irq_return_iret 0.26 ± 13% -0.1 0.14 ± 28% perf-profile.self.cycles-pp.ext4_bio_write_folio 0.26 ± 33% -0.1 0.15 ± 24% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 0.30 ± 13% -0.1 0.20 ± 13% perf-profile.self.cycles-pp.nfs_page_group_sync_on_bit_locked 0.14 ± 12% -0.1 0.05 ± 46% perf-profile.self.cycles-pp.newidle_balance 0.12 ± 29% -0.1 0.04 ± 75% perf-profile.self.cycles-pp.enqueue_entity 0.19 ± 23% -0.1 0.11 ± 22% perf-profile.self.cycles-pp.___perf_sw_event 0.09 ± 13% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.pick_next_task_fair 0.15 ± 23% -0.1 0.09 ± 15% perf-profile.self.cycles-pp.cpuidle_idle_call 0.09 ± 27% -0.1 0.03 ±100% perf-profile.self.cycles-pp.get_cpu_device 0.12 ± 25% -0.1 0.06 ± 56% perf-profile.self.cycles-pp.__update_load_avg_se 0.12 ± 13% -0.1 0.06 ± 47% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore 0.10 ± 23% -0.0 0.06 ± 13% perf-profile.self.cycles-pp.next_uptodate_folio 0.06 ± 50% +0.1 0.12 ± 22% perf-profile.self.cycles-pp.ext4_da_write_end 0.00 +0.1 0.08 ± 35% perf-profile.self.cycles-pp.nfs_page_group_lock_head 0.25 ± 10% +0.2 0.43 ± 10% perf-profile.self.cycles-pp.folio_end_writeback 0.76 ± 11% +0.3 1.05 ± 10% perf-profile.self.cycles-pp.__folio_end_writeback 0.06 ± 60% +0.3 0.41 ± 31% perf-profile.self.cycles-pp.ttwu_do_activate 0.00 +0.5 0.46 ± 53% perf-profile.self.cycles-pp.__filemap_fdatawait_range 0.01 ±223% +0.8 0.77 ± 40% perf-profile.self.cycles-pp.folio_wait_writeback 2.40 ± 14% +1.1 3.48 ± 17% perf-profile.self.cycles-pp.rwsem_spin_on_owner 0.20 ± 23% +1.1 1.30 ± 30% perf-profile.self.cycles-pp.folio_wait_bit_common 0.92 ± 38% +7.7 8.60 ± 26% perf-profile.self.cycles-pp.poll_idle 12.88 ± 15% +10.5 23.33 ± 17% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 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