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not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Tue, 26 Sep 2023 19:43:10 -0700 (PDT) Hello, kernel test robot noticed a 68.5% improvement of stress-ng.iomix.ops_per_sec on: commit: 77d20c685b6baeb942606a93ed861c191381b73e ("btrfs: do not block starts waiting on previous transaction commit") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 10% disk: 1HDD testtime: 60s fs: btrfs class: filesystem test: iomix cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230926/202309261605.687d7dbf-oliver.sang@intel.com ========================================================================================= class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: filesystem/gcc-12/performance/1HDD/btrfs/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp8/iomix/stress-ng/60s commit: ee34a82e89 ("btrfs: release path before inode lookup during the ino lookup ioctl") 77d20c685b ("btrfs: do not block starts waiting on previous transaction commit") ee34a82e890a7bab 77d20c685b6baeb942606a93ed8 ---------------- --------------------------- %stddev %change %stddev \ | \ 10.78 +3.2 13.99 mpstat.cpu.all.iowait% 1.10 ? 4% +0.4 1.51 ? 7% mpstat.cpu.all.sys% 122474 ? 6% -16.0% 102858 ? 8% numa-vmstat.node0.nr_dirtied 122310 ? 6% -16.0% 102793 ? 8% numa-vmstat.node0.nr_written 87.40 -4.0% 83.87 iostat.cpu.idle 10.47 +29.7% 13.58 iostat.cpu.iowait 1.77 ? 2% +22.8% 2.18 ? 5% iostat.cpu.system 238990 ? 2% -10.3% 214415 proc-vmstat.nr_dirtied 238672 ? 2% -10.2% 214270 proc-vmstat.nr_written 1293769 ? 3% -9.7% 1167757 proc-vmstat.pgpgout 15599 ? 19% +23.6% 19279 ? 12% sched_debug.cfs_rq:/.min_vruntime.max 25733 ? 5% +22.7% 31572 ? 11% sched_debug.cpu.nr_switches.avg 26395 ? 11% +34.8% 35569 ? 15% sched_debug.cpu.nr_switches.stddev 89.50 ? 2% +17.9% 105.50 ? 4% turbostat.Avg_MHz 2.49 ? 2% +0.4 2.93 ? 4% turbostat.Busy% 59654 ? 22% +45.7% 86940 ? 18% turbostat.POLL 19462 ? 3% -9.1% 17692 vmstat.io.bo 6.33 ? 7% +36.8% 8.67 ? 5% vmstat.procs.b 45360 ? 5% +27.3% 57748 ? 12% vmstat.system.cs 85369 +6.1% 90557 ? 3% vmstat.system.in 938131 ? 4% +68.8% 1583382 ? 7% stress-ng.iomix.ops 15567 ? 4% +68.5% 26232 ? 7% stress-ng.iomix.ops_per_sec 1514861 ? 2% -12.6% 1323912 ? 2% stress-ng.time.file_system_outputs 70.50 ? 5% +38.8% 97.83 ? 7% stress-ng.time.percent_of_cpu_this_job_got 40.18 ? 5% +41.1% 56.70 ? 7% stress-ng.time.system_time 1360628 ? 6% +29.0% 1755242 ? 13% stress-ng.time.voluntary_context_switches 9.543e+08 +25.2% 1.195e+09 ? 4% perf-stat.i.branch-instructions 0.64 -0.1 0.59 perf-stat.i.branch-miss-rate% 8915744 ? 2% +6.0% 9448037 ? 2% perf-stat.i.branch-misses 5192643 ? 8% +24.8% 6481794 ? 8% perf-stat.i.cache-misses 19351415 ? 2% +17.5% 22733847 ? 5% perf-stat.i.cache-references 47660 ? 5% +27.3% 60669 ? 13% perf-stat.i.context-switches 1.13 ? 3% -7.4% 1.05 perf-stat.i.cpi 5e+09 ? 3% +20.8% 6.04e+09 ? 5% perf-stat.i.cpu-cycles 0.01 ? 4% -0.0 0.01 ? 7% perf-stat.i.dTLB-load-miss-rate% 1.147e+09 ? 2% +29.6% 1.486e+09 ? 4% perf-stat.i.dTLB-loads 0.01 ? 4% -0.0 0.00 ? 3% perf-stat.i.dTLB-store-miss-rate% 6.597e+08 ? 2% +31.5% 8.673e+08 ? 5% perf-stat.i.dTLB-stores 4.757e+09 ? 2% +27.1% 6.044e+09 ? 4% perf-stat.i.instructions 0.93 ? 2% +7.6% 1.00 perf-stat.i.ipc 0.08 ? 3% +20.9% 0.09 ? 5% perf-stat.i.metric.GHz 343.06 ? 4% +17.4% 402.77 ? 6% perf-stat.i.metric.K/sec 43.11 ? 2% +28.6% 55.43 ? 4% perf-stat.i.metric.M/sec 697436 ? 11% +36.0% 948334 ? 10% perf-stat.i.node-store-misses 381863 ? 3% +15.5% 441021 ? 4% perf-stat.i.node-stores 0.93 ? 2% -0.1 0.79 ? 2% perf-stat.overall.branch-miss-rate% 1.05 ? 2% -4.9% 1.00 perf-stat.overall.cpi 0.01 ? 3% -0.0 0.01 ? 8% perf-stat.overall.dTLB-load-miss-rate% 0.01 ? 3% -0.0 0.00 ? 4% perf-stat.overall.dTLB-store-miss-rate% 0.95 ? 2% +5.1% 1.00 perf-stat.overall.ipc 64.46 ? 2% +3.7 68.15 ? 2% perf-stat.overall.node-store-miss-rate% 9.395e+08 +25.2% 1.176e+09 ? 4% perf-stat.ps.branch-instructions 8780421 ? 2% +5.9% 9294725 ? 2% perf-stat.ps.branch-misses 5111666 ? 8% +24.8% 6379090 ? 8% perf-stat.ps.cache-misses 19051781 ? 2% +17.4% 22373117 ? 5% perf-stat.ps.cache-references 46925 ? 5% +27.2% 59709 ? 13% perf-stat.ps.context-switches 4.922e+09 ? 3% +20.8% 5.944e+09 ? 5% perf-stat.ps.cpu-cycles 1.129e+09 ? 2% +29.6% 1.463e+09 ? 4% perf-stat.ps.dTLB-loads 6.493e+08 ? 2% +31.4% 8.535e+08 ? 5% perf-stat.ps.dTLB-stores 4.683e+09 ? 2% +27.0% 5.947e+09 ? 4% perf-stat.ps.instructions 686515 ? 11% +35.9% 933307 ? 10% perf-stat.ps.node-store-misses 375908 ? 3% +15.5% 434029 ? 4% perf-stat.ps.node-stores 2.981e+11 ? 2% +26.0% 3.757e+11 ? 4% perf-stat.total.instructions 0.02 ? 29% +55.5% 0.03 ? 13% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock 0.01 ? 34% +110.7% 0.03 ? 16% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.vfs_fileattr_set 0.01 ? 25% -65.8% 0.00 ?101% perf-sched.sch_delay.max.ms.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 0.01 ? 42% -67.6% 0.00 ? 17% perf-sched.sch_delay.max.ms.wait_current_trans.start_transaction.btrfs_sync_file.btrfs_do_write_iter 9.34 ? 45% +57.0% 14.66 ? 7% perf-sched.wait_and_delay.avg.ms.btrfs_start_ordered_extent.btrfs_wait_ordered_range.btrfs_sync_file.btrfs_do_write_iter 84.12 ? 3% -23.7% 64.22 ? 16% perf-sched.wait_and_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 34.50 ? 10% -15.3% 29.23 ? 7% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.extent_write_cache_pages.extent_writepages 92.62 ? 10% -22.6% 71.73 ? 8% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.filemap_update_page.filemap_get_pages 89.69 ? 7% -18.5% 73.14 ? 6% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__fdget_pos 0.71 ? 20% -42.5% 0.41 ? 32% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock 26.52 ? 39% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 81.44 ? 9% +37.4% 111.87 ? 13% perf-sched.wait_and_delay.avg.ms.wait_for_commit.btrfs_commit_transaction.iterate_supers.ksys_sync 105.65 ? 5% -66.7% 35.14 ?102% perf-sched.wait_and_delay.avg.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 5.50 ?146% +390.9% 27.00 ? 19% perf-sched.wait_and_delay.count.btrfs_start_ordered_extent.btrfs_wait_ordered_range.btrfs_sync_file.__x64_sys_fsync 1332 ? 5% +26.9% 1690 ? 20% perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 895.33 ? 5% +25.4% 1123 ? 6% perf-sched.wait_and_delay.count.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle 1306 ? 10% +18.7% 1550 ? 6% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.__fdget_pos 30.17 ? 15% -100.0% 0.00 perf-sched.wait_and_delay.count.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 71.83 ? 11% +167.7% 192.33 ? 7% perf-sched.wait_and_delay.count.wait_current_trans.start_transaction.btrfs_finish_one_ordered.btrfs_work_helper 51.83 ? 13% +129.3% 118.83 ? 22% perf-sched.wait_and_delay.count.wait_for_commit.btrfs_commit_transaction.iterate_supers.ksys_sync 74.33 ? 8% -94.4% 4.17 ?114% perf-sched.wait_and_delay.count.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 624.35 ? 14% -30.4% 434.53 ? 10% perf-sched.wait_and_delay.max.ms.io_schedule.folio_wait_bit_common.filemap_update_page.filemap_get_pages 1024 ? 18% -32.9% 688.00 ? 26% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock 142.62 ? 54% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 245.46 ? 10% -72.0% 68.69 ?103% perf-sched.wait_and_delay.max.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 2.31 ? 97% -86.8% 0.30 ?120% perf-sched.wait_time.avg.ms.btrfs_commit_transaction.iterate_supers.ksys_sync.__x64_sys_sync 14.02 ? 9% -39.5% 8.48 ? 16% perf-sched.wait_time.avg.ms.btrfs_start_ordered_extent.btrfs_run_ordered_extent_work.btrfs_work_helper.process_one_work 1.09 ? 43% +133.9% 2.55 ? 31% perf-sched.wait_time.avg.ms.btrfs_start_ordered_extent.btrfs_wait_ordered_range.__btrfs_wait_cache_io.btrfs_write_dirty_block_groups 11.14 ? 5% +31.5% 14.66 ? 7% perf-sched.wait_time.avg.ms.btrfs_start_ordered_extent.btrfs_wait_ordered_range.btrfs_sync_file.btrfs_do_write_iter 84.12 ? 3% -23.7% 64.22 ? 16% perf-sched.wait_time.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 34.49 ? 10% -15.3% 29.23 ? 7% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.extent_write_cache_pages.extent_writepages 92.62 ? 10% -22.6% 71.73 ? 8% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.filemap_update_page.filemap_get_pages 89.68 ? 7% -18.5% 73.13 ? 6% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__fdget_pos 0.71 ? 20% -42.5% 0.41 ? 32% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock 26.51 ? 39% -97.6% 0.63 ?159% perf-sched.wait_time.avg.ms.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 81.44 ? 9% +37.4% 111.86 ? 13% perf-sched.wait_time.avg.ms.wait_for_commit.btrfs_commit_transaction.iterate_supers.ksys_sync 105.64 ? 5% -66.7% 35.13 ?102% perf-sched.wait_time.avg.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 62.15 ? 57% -88.7% 7.03 ? 80% perf-sched.wait_time.max.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 22.66 ?112% -89.4% 2.41 ?131% perf-sched.wait_time.max.ms.btrfs_commit_transaction.iterate_supers.ksys_sync.__x64_sys_sync 624.35 ? 14% -30.4% 434.52 ? 10% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.filemap_update_page.filemap_get_pages 1024 ? 18% -32.9% 687.99 ? 26% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock 142.62 ? 54% -99.0% 1.46 ?171% perf-sched.wait_time.max.ms.wait_current_trans.start_transaction.btrfs_attach_transaction_barrier.btrfs_sync_fs 245.46 ? 10% -72.0% 68.68 ?103% perf-sched.wait_time.max.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 38.11 ? 5% -9.6 28.47 ? 8% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter 35.07 ? 4% -7.6 27.50 ? 6% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 36.16 ? 4% -7.6 28.61 ? 5% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 36.16 ? 4% -7.5 28.62 ? 5% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify 36.10 ? 4% -7.5 28.55 ? 5% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 36.87 ? 4% -7.5 29.33 ? 6% perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify 33.44 ? 4% -7.3 26.15 ? 6% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 33.76 ? 4% -7.3 26.51 ? 7% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 32.17 ? 4% -7.0 25.14 ? 7% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 17.07 ? 6% -4.4 12.70 ? 7% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 12.51 ? 6% -3.3 9.23 ? 9% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state 9.18 ? 4% -2.4 6.78 ? 9% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.acpi_safe_halt.acpi_idle_enter 8.91 ? 4% -2.4 6.55 ? 9% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.acpi_safe_halt 7.62 ? 4% -2.0 5.65 ? 8% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 6.44 ? 5% -1.6 4.79 ? 9% perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt 5.98 ? 3% -1.6 4.37 ? 6% perf-profile.calltrace.cycles-pp.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt 5.93 ? 3% -1.6 4.32 ? 6% perf-profile.calltrace.cycles-pp.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt 5.26 ? 3% -1.5 3.78 ? 6% perf-profile.calltrace.cycles-pp.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues 3.91 ? 3% -1.1 2.76 ? 8% perf-profile.calltrace.cycles-pp.perf_event_task_tick.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer 3.78 ? 3% -1.1 2.68 ? 8% perf-profile.calltrace.cycles-pp.perf_adjust_freq_unthr_context.perf_event_task_tick.scheduler_tick.update_process_times.tick_sched_handle 2.44 ? 5% -0.8 1.68 ? 13% perf-profile.calltrace.cycles-pp.__intel_pmu_enable_all.perf_adjust_freq_unthr_context.perf_event_task_tick.scheduler_tick.update_process_times 2.06 ? 28% -0.7 1.35 ? 8% perf-profile.calltrace.cycles-pp.stress_mwc8 2.12 ? 13% -0.5 1.61 ? 18% perf-profile.calltrace.cycles-pp.stress_rndbuf 0.78 ? 4% -0.5 0.27 ?100% perf-profile.calltrace.cycles-pp.iterate_supers.ksys_sync.__x64_sys_sync.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.10 ? 7% -0.5 1.63 ? 8% perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.acpi_safe_halt.acpi_idle_enter 0.81 ? 5% -0.4 0.36 ? 70% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.sync 0.81 ? 5% -0.4 0.36 ? 70% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.sync 0.81 ? 5% -0.4 0.36 ? 70% perf-profile.calltrace.cycles-pp.sync 0.80 ? 5% -0.4 0.36 ? 70% perf-profile.calltrace.cycles-pp.__x64_sys_sync.do_syscall_64.entry_SYSCALL_64_after_hwframe.sync 0.80 ? 5% -0.4 0.36 ? 70% perf-profile.calltrace.cycles-pp.ksys_sync.__x64_sys_sync.do_syscall_64.entry_SYSCALL_64_after_hwframe.sync 1.91 ? 8% -0.4 1.47 ? 8% perf-profile.calltrace.cycles-pp.__do_softirq.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.acpi_safe_halt 0.70 ? 8% -0.4 0.28 ?100% perf-profile.calltrace.cycles-pp.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt 1.89 ? 13% -0.4 1.48 ? 8% perf-profile.calltrace.cycles-pp.__mmap 1.86 ? 13% -0.4 1.46 ? 8% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap 1.84 ? 13% -0.4 1.45 ? 8% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 0.65 ? 9% -0.4 0.26 ?100% perf-profile.calltrace.cycles-pp.rcu_core.__do_softirq.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 1.78 ? 14% -0.4 1.40 ? 9% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 1.50 ? 11% -0.3 1.18 ? 8% perf-profile.calltrace.cycles-pp.__munmap 1.49 ? 11% -0.3 1.17 ? 9% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 1.46 ? 12% -0.3 1.15 ? 9% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 0.95 ? 11% -0.2 0.74 ? 9% perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 0.95 ? 12% -0.2 0.74 ? 9% perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 0.94 ? 11% -0.2 0.72 ? 8% perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.90 ? 12% -0.2 0.70 ? 8% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 0.65 ? 12% +0.2 0.80 ? 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.btrfs_block_rsv_release.btrfs_trans_release_metadata.__btrfs_end_transaction.btrfs_fileattr_set 0.72 ? 11% +0.2 0.92 ? 9% perf-profile.calltrace.cycles-pp.find_extent_buffer.read_block_for_search.btrfs_search_slot.btrfs_lookup_xattr.btrfs_setxattr 0.89 ? 10% +0.2 1.10 ? 9% perf-profile.calltrace.cycles-pp._raw_spin_lock.btrfs_update_root_times.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set 0.48 ? 45% +0.2 0.70 ? 7% perf-profile.calltrace.cycles-pp.wake_up_q.rwsem_wake.up_write.btrfs_release_path.btrfs_free_path 1.10 ? 11% +0.2 1.34 ? 7% perf-profile.calltrace.cycles-pp.join_transaction.start_transaction.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 1.01 ? 10% +0.2 1.24 ? 7% perf-profile.calltrace.cycles-pp.btrfs_block_rsv_release.btrfs_trans_release_metadata.__btrfs_end_transaction.btrfs_fileattr_set.vfs_fileattr_set 0.83 ? 14% +0.3 1.11 ? 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.wait_current_trans.start_transaction.btrfs_fileattr_set.vfs_fileattr_set 0.39 ? 70% +0.3 0.67 ? 8% perf-profile.calltrace.cycles-pp.try_to_wake_up.wake_up_q.rwsem_wake.up_write.btrfs_release_path 1.54 ? 7% +0.3 1.83 ? 8% perf-profile.calltrace.cycles-pp.up_write.btrfs_release_path.btrfs_free_path.btrfs_setxattr.btrfs_set_prop 0.86 ? 11% +0.3 1.15 ? 7% perf-profile.calltrace.cycles-pp.__reserve_bytes.btrfs_reserve_metadata_bytes.btrfs_block_rsv_add.start_transaction.btrfs_fileattr_set 1.22 ? 8% +0.3 1.51 ? 8% perf-profile.calltrace.cycles-pp.btrfs_update_root_times.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 0.92 ? 11% +0.3 1.22 ? 4% perf-profile.calltrace.cycles-pp.btrfs_get_delayed_node.btrfs_get_or_create_delayed_node.btrfs_delayed_update_inode.btrfs_update_inode.btrfs_fileattr_set 0.96 ? 9% +0.3 1.27 ? 5% perf-profile.calltrace.cycles-pp.btrfs_get_or_create_delayed_node.btrfs_delayed_update_inode.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set 1.34 ? 11% +0.3 1.64 ? 8% perf-profile.calltrace.cycles-pp.rwsem_down_read_slowpath.down_read.__btrfs_tree_read_lock.btrfs_read_lock_root_node.btrfs_search_slot 0.93 ? 13% +0.3 1.24 ? 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.__btrfs_release_delayed_node.btrfs_delayed_update_inode.btrfs_update_inode.btrfs_fileattr_set 1.07 ? 13% +0.3 1.40 ? 7% perf-profile.calltrace.cycles-pp.wait_current_trans.start_transaction.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 1.18 ? 11% +0.3 1.52 ? 4% perf-profile.calltrace.cycles-pp.btrfs_reserve_metadata_bytes.btrfs_block_rsv_add.start_transaction.btrfs_fileattr_set.vfs_fileattr_set 1.65 ? 8% +0.3 2.00 ? 6% perf-profile.calltrace.cycles-pp.read_block_for_search.btrfs_search_slot.btrfs_lookup_xattr.btrfs_setxattr.btrfs_set_prop 1.66 ? 9% +0.4 2.04 ? 6% perf-profile.calltrace.cycles-pp.down_read.__btrfs_tree_read_lock.btrfs_read_lock_root_node.btrfs_search_slot.btrfs_lookup_xattr 1.70 ? 8% +0.4 2.09 ? 6% perf-profile.calltrace.cycles-pp.__btrfs_tree_read_lock.btrfs_read_lock_root_node.btrfs_search_slot.btrfs_lookup_xattr.btrfs_setxattr 0.18 ?142% +0.5 0.64 ? 12% perf-profile.calltrace.cycles-pp._raw_spin_lock.__reserve_bytes.btrfs_reserve_metadata_bytes.btrfs_block_rsv_add.start_transaction 1.57 ? 10% +0.5 2.02 ? 5% perf-profile.calltrace.cycles-pp.btrfs_block_rsv_add.start_transaction.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 2.45 ? 6% +0.5 2.91 ? 6% perf-profile.calltrace.cycles-pp.btrfs_free_path.btrfs_setxattr.btrfs_set_prop.btrfs_fileattr_set.vfs_fileattr_set 2.42 ? 6% +0.5 2.88 ? 5% perf-profile.calltrace.cycles-pp.btrfs_release_path.btrfs_free_path.btrfs_setxattr.btrfs_set_prop.btrfs_fileattr_set 2.28 ? 9% +0.5 2.81 ? 8% perf-profile.calltrace.cycles-pp.__btrfs_release_delayed_node.btrfs_delayed_update_inode.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set 2.82 ? 7% +0.6 3.44 ? 6% perf-profile.calltrace.cycles-pp.btrfs_read_lock_root_node.btrfs_search_slot.btrfs_lookup_xattr.btrfs_setxattr.btrfs_set_prop 2.31 ? 7% +0.7 2.98 ? 7% perf-profile.calltrace.cycles-pp.__btrfs_end_transaction.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl 4.00 ? 10% +1.0 5.04 ? 6% perf-profile.calltrace.cycles-pp.btrfs_delayed_update_inode.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 5.18 ? 10% +1.4 6.55 ? 4% perf-profile.calltrace.cycles-pp.start_transaction.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl 5.67 ? 8% +1.4 7.07 ? 6% perf-profile.calltrace.cycles-pp.btrfs_update_inode.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl 15.31 ? 7% +2.6 17.87 ? 6% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_lookup_xattr.btrfs_setxattr.btrfs_set_prop.btrfs_fileattr_set 15.72 ? 6% +2.6 18.32 ? 6% perf-profile.calltrace.cycles-pp.btrfs_lookup_xattr.btrfs_setxattr.btrfs_set_prop.btrfs_fileattr_set.vfs_fileattr_set 24.78 ? 5% +4.4 29.22 ? 4% perf-profile.calltrace.cycles-pp.btrfs_setxattr.btrfs_set_prop.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl 25.42 ? 5% +4.6 30.02 ? 4% perf-profile.calltrace.cycles-pp.btrfs_set_prop.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl 39.35 ? 4% +8.3 47.63 ? 4% perf-profile.calltrace.cycles-pp.btrfs_fileattr_set.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64 40.81 ? 4% +8.5 49.35 ? 4% perf-profile.calltrace.cycles-pp.vfs_fileattr_set.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.93 ? 4% +8.9 50.85 ? 4% perf-profile.calltrace.cycles-pp.do_vfs_ioctl.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 42.42 ? 4% +9.1 51.55 ? 4% perf-profile.calltrace.cycles-pp.__x64_sys_ioctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 43.04 ? 4% +9.3 52.32 ? 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.ioctl 43.27 ? 4% +9.3 52.62 ? 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.ioctl 44.39 ? 4% +9.6 54.00 ? 4% perf-profile.calltrace.cycles-pp.ioctl 35.78 ? 4% -7.6 28.18 ? 6% perf-profile.children.cycles-pp.cpuidle_idle_call 36.16 ? 4% -7.5 28.62 ? 5% perf-profile.children.cycles-pp.start_secondary 36.87 ? 4% -7.5 29.33 ? 6% perf-profile.children.cycles-pp.secondary_startup_64_no_verify 36.87 ? 4% -7.5 29.33 ? 6% perf-profile.children.cycles-pp.cpu_startup_entry 36.86 ? 4% -7.5 29.32 ? 6% perf-profile.children.cycles-pp.do_idle 34.09 ? 4% -7.3 26.77 ? 6% perf-profile.children.cycles-pp.cpuidle_enter 33.93 ? 4% -7.3 26.64 ? 6% perf-profile.children.cycles-pp.cpuidle_enter_state 32.32 ? 4% -7.0 25.28 ? 6% perf-profile.children.cycles-pp.acpi_idle_enter 32.26 ? 4% -7.0 25.24 ? 6% perf-profile.children.cycles-pp.acpi_safe_halt 26.04 ? 5% -6.5 19.51 ? 8% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 12.94 ? 6% -3.3 9.60 ? 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 9.50 ? 4% -2.5 7.05 ? 9% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 9.23 ? 4% -2.4 6.82 ? 9% perf-profile.children.cycles-pp.hrtimer_interrupt 7.93 ? 4% -2.0 5.90 ? 8% perf-profile.children.cycles-pp.__hrtimer_run_queues 6.68 ? 5% -1.7 5.00 ? 8% perf-profile.children.cycles-pp.tick_sched_timer 6.20 ? 3% -1.6 4.56 ? 6% perf-profile.children.cycles-pp.tick_sched_handle 6.16 ? 3% -1.6 4.52 ? 5% perf-profile.children.cycles-pp.update_process_times 5.46 ? 3% -1.5 3.94 ? 6% perf-profile.children.cycles-pp.scheduler_tick 4.03 ? 3% -1.2 2.86 ? 7% perf-profile.children.cycles-pp.perf_event_task_tick 4.00 ? 3% -1.2 2.84 ? 8% perf-profile.children.cycles-pp.perf_adjust_freq_unthr_context 2.87 ? 4% -0.9 2.00 ? 12% perf-profile.children.cycles-pp.__intel_pmu_enable_all 2.44 ? 15% -0.5 1.91 ? 8% perf-profile.children.cycles-pp.stress_mwc8 2.40 ? 7% -0.5 1.87 ? 8% perf-profile.children.cycles-pp.__irq_exit_rcu 2.18 ? 8% -0.5 1.69 ? 7% perf-profile.children.cycles-pp.__do_softirq 1.96 ? 13% -0.4 1.53 ? 8% perf-profile.children.cycles-pp.stress_rndbuf 1.90 ? 13% -0.4 1.49 ? 8% perf-profile.children.cycles-pp.__mmap 1.07 ? 34% -0.4 0.66 ? 30% perf-profile.children.cycles-pp.ktime_get 1.88 ? 13% -0.4 1.49 ? 8% perf-profile.children.cycles-pp.vm_mmap_pgoff 1.52 ? 12% -0.3 1.19 ? 9% perf-profile.children.cycles-pp.__munmap 0.80 ? 5% -0.3 0.52 ? 7% perf-profile.children.cycles-pp.__x64_sys_sync 0.80 ? 5% -0.3 0.52 ? 7% perf-profile.children.cycles-pp.ksys_sync 0.81 ? 5% -0.3 0.52 ? 6% perf-profile.children.cycles-pp.sync 0.96 ? 11% -0.2 0.74 ? 9% perf-profile.children.cycles-pp.__x64_sys_munmap 0.75 ? 7% -0.2 0.53 ? 12% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler 0.68 ? 4% -0.2 0.46 ? 9% perf-profile.children.cycles-pp.btrfs_commit_transaction 0.96 ? 11% -0.2 0.75 ? 9% perf-profile.children.cycles-pp.__vm_munmap 0.99 ? 11% -0.2 0.78 ? 9% perf-profile.children.cycles-pp.do_vmi_munmap 1.00 ? 7% -0.2 0.80 ? 8% perf-profile.children.cycles-pp.do_writepages 0.94 ? 11% -0.2 0.74 ? 9% perf-profile.children.cycles-pp.do_vmi_align_munmap 0.70 ? 11% -0.2 0.51 ? 7% perf-profile.children.cycles-pp.rcu_core 0.63 ? 11% -0.2 0.48 ? 5% perf-profile.children.cycles-pp.native_irq_return_iret 0.68 ? 8% -0.2 0.52 ? 8% perf-profile.children.cycles-pp.btrfs_submit_bio 0.67 ? 8% -0.2 0.52 ? 8% perf-profile.children.cycles-pp.btrfs_submit_chunk 0.66 ? 7% -0.2 0.51 ? 9% perf-profile.children.cycles-pp.btree_write_cache_pages 0.64 ? 7% -0.1 0.50 ? 10% perf-profile.children.cycles-pp.submit_eb_page 0.50 ? 9% -0.1 0.35 ? 7% perf-profile.children.cycles-pp.handle_mm_fault 0.53 ? 5% -0.1 0.40 ? 10% perf-profile.children.cycles-pp.btree_csum_one_bio 0.59 ? 9% -0.1 0.46 ? 8% perf-profile.children.cycles-pp.wb_workfn 0.58 ? 10% -0.1 0.45 ? 8% perf-profile.children.cycles-pp.wb_do_writeback 0.47 ? 10% -0.1 0.34 ? 9% perf-profile.children.cycles-pp.__handle_mm_fault 0.48 ? 5% -0.1 0.36 ? 11% perf-profile.children.cycles-pp.btrfs_check_leaf 0.48 ? 5% -0.1 0.36 ? 11% perf-profile.children.cycles-pp.__btrfs_check_leaf 0.51 ? 11% -0.1 0.38 ? 10% perf-profile.children.cycles-pp.__mm_populate 0.54 ? 8% -0.1 0.41 ? 7% perf-profile.children.cycles-pp.__writeback_single_inode 0.62 ? 14% -0.1 0.50 ? 5% perf-profile.children.cycles-pp.load_balance 0.48 ? 11% -0.1 0.36 ? 11% perf-profile.children.cycles-pp.populate_vma_page_range 0.54 ? 9% -0.1 0.42 ? 8% perf-profile.children.cycles-pp.wb_writeback 0.50 ? 13% -0.1 0.38 ? 15% perf-profile.children.cycles-pp.clockevents_program_event 0.54 ? 8% -0.1 0.41 ? 7% perf-profile.children.cycles-pp.writeback_sb_inodes 0.48 ? 7% -0.1 0.36 ? 16% perf-profile.children.cycles-pp.perf_rotate_context 0.39 ? 11% -0.1 0.28 ? 10% perf-profile.children.cycles-pp.do_fault 0.36 ? 16% -0.1 0.26 ? 14% perf-profile.children.cycles-pp.unmap_vmas 0.48 ? 10% -0.1 0.37 ? 11% perf-profile.children.cycles-pp.sched_clock_cpu 0.43 ? 10% -0.1 0.32 ? 9% perf-profile.children.cycles-pp.__get_user_pages 0.38 ? 12% -0.1 0.28 ? 10% perf-profile.children.cycles-pp.do_read_fault 0.35 ? 18% -0.1 0.25 ? 14% perf-profile.children.cycles-pp.unmap_page_range 0.49 ? 16% -0.1 0.39 ? 7% perf-profile.children.cycles-pp.update_sd_lb_stats 0.50 ? 15% -0.1 0.40 ? 6% perf-profile.children.cycles-pp.find_busiest_group 0.54 ? 13% -0.1 0.44 ? 9% perf-profile.children.cycles-pp.exit_to_user_mode_loop 0.34 ? 17% -0.1 0.24 ? 14% perf-profile.children.cycles-pp.zap_pmd_range 0.34 ? 16% -0.1 0.24 ? 15% perf-profile.children.cycles-pp.zap_pte_range 0.25 ? 13% -0.1 0.16 ? 16% perf-profile.children.cycles-pp.btrfs_run_delayed_refs 0.25 ? 12% -0.1 0.15 ? 16% perf-profile.children.cycles-pp.__btrfs_run_delayed_refs 0.42 ? 13% -0.1 0.32 ? 12% perf-profile.children.cycles-pp.unmap_region 0.54 ? 9% -0.1 0.45 ? 10% perf-profile.children.cycles-pp.native_sched_clock 0.34 ? 12% -0.1 0.25 ? 14% perf-profile.children.cycles-pp.rcu_do_batch 0.39 ? 12% -0.1 0.31 ? 6% perf-profile.children.cycles-pp.update_sg_lb_stats 0.35 ? 12% -0.1 0.27 ? 14% perf-profile.children.cycles-pp.run_rebalance_domains 0.36 ? 11% -0.1 0.28 ? 11% perf-profile.children.cycles-pp.irqtime_account_irq 0.34 ? 13% -0.1 0.27 ? 12% perf-profile.children.cycles-pp.update_blocked_averages 0.20 ? 11% -0.1 0.13 ? 18% perf-profile.children.cycles-pp.btrfs_run_delayed_refs_for_head 0.47 ? 9% -0.1 0.40 ? 9% perf-profile.children.cycles-pp.sched_clock 0.17 ? 19% -0.1 0.11 ? 11% perf-profile.children.cycles-pp.exc_page_fault 0.17 ? 19% -0.1 0.11 ? 11% perf-profile.children.cycles-pp.do_user_addr_fault 0.20 ? 15% -0.1 0.14 ? 9% perf-profile.children.cycles-pp.asm_exc_page_fault 0.11 ? 33% -0.1 0.05 ? 49% perf-profile.children.cycles-pp.__mod_lruvec_page_state 0.17 ? 14% -0.1 0.11 ? 8% perf-profile.children.cycles-pp.__btrfs_write_out_cache 0.17 ? 14% -0.1 0.11 ? 8% perf-profile.children.cycles-pp.btrfs_write_out_cache 0.10 ? 5% -0.1 0.05 ? 73% perf-profile.children.cycles-pp.timerqueue_del 0.09 ? 30% -0.1 0.04 ? 73% perf-profile.children.cycles-pp.crc_pcl 0.11 ? 12% -0.1 0.06 ? 9% perf-profile.children.cycles-pp.commit_cowonly_roots 0.10 ? 15% -0.0 0.05 ? 45% perf-profile.children.cycles-pp.btrfs_write_dirty_block_groups 0.12 ? 22% -0.0 0.08 ? 27% perf-profile.children.cycles-pp.pagecache_get_page 0.07 ? 7% -0.0 0.03 ?100% perf-profile.children.cycles-pp.get_page_from_freelist 0.14 ? 20% -0.0 0.10 ? 7% perf-profile.children.cycles-pp.perf_pmu_nop_void 0.11 ? 14% -0.0 0.07 ? 17% perf-profile.children.cycles-pp.__btrfs_free_extent 0.08 ? 14% -0.0 0.04 ? 71% perf-profile.children.cycles-pp.__x64_sys_exit_group 0.08 ? 14% -0.0 0.04 ? 71% perf-profile.children.cycles-pp.do_group_exit 0.08 ? 14% -0.0 0.04 ? 71% perf-profile.children.cycles-pp.do_exit 0.08 ? 16% -0.0 0.04 ? 45% perf-profile.children.cycles-pp.exit_mmap 0.08 ? 17% -0.0 0.04 ? 45% perf-profile.children.cycles-pp.__mmput 0.13 ? 10% -0.0 0.10 ? 5% perf-profile.children.cycles-pp.x86_pmu_disable 0.08 ? 16% -0.0 0.05 ? 46% perf-profile.children.cycles-pp.filemap_map_pages 0.24 ? 7% +0.0 0.28 ? 10% perf-profile.children.cycles-pp.btrfs_inode_flags_to_fsflags 0.22 ? 6% +0.1 0.27 ? 9% perf-profile.children.cycles-pp.unlock_up 0.14 ? 13% +0.1 0.19 ? 12% perf-profile.children.cycles-pp.inode_get_bytes 0.13 ? 20% +0.1 0.19 ? 10% perf-profile.children.cycles-pp.strcmp 0.22 ? 9% +0.1 0.29 ? 11% perf-profile.children.cycles-pp.__smp_call_single_queue 0.16 ? 21% +0.1 0.22 ? 16% perf-profile.children.cycles-pp.inode_maybe_inc_iversion 0.34 ? 16% +0.1 0.43 ? 10% perf-profile.children.cycles-pp.fill_stack_inode_item 0.39 ? 9% +0.1 0.49 ? 9% perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.30 ? 13% +0.1 0.40 ? 12% perf-profile.children.cycles-pp.__fget_light 0.35 ? 9% +0.1 0.46 ? 12% perf-profile.children.cycles-pp.btrfs_put_transaction 0.32 ? 12% +0.1 0.43 ? 9% perf-profile.children.cycles-pp.__radix_tree_lookup 0.43 ? 13% +0.1 0.55 ? 10% perf-profile.children.cycles-pp.fileattr_set_prepare 0.26 ? 9% +0.1 0.39 ? 7% perf-profile.children.cycles-pp.__get_user_4 0.54 ? 7% +0.1 0.69 ? 14% perf-profile.children.cycles-pp.find_prop_handler 0.47 ? 11% +0.1 0.61 ? 6% perf-profile.children.cycles-pp.find_extent_buffer_nolock 0.70 ? 11% +0.2 0.86 ? 9% perf-profile.children.cycles-pp.wake_up_q 0.88 ? 7% +0.2 1.08 ? 6% perf-profile.children.cycles-pp.kmem_cache_alloc 0.86 ? 10% +0.2 1.06 ? 7% perf-profile.children.cycles-pp.find_extent_buffer 1.12 ? 11% +0.2 1.36 ? 7% perf-profile.children.cycles-pp.join_transaction 1.05 ? 10% +0.3 1.30 ? 6% perf-profile.children.cycles-pp.btrfs_block_rsv_release 1.24 ? 8% +0.3 1.53 ? 8% perf-profile.children.cycles-pp.btrfs_update_root_times 0.93 ? 11% +0.3 1.23 ? 4% perf-profile.children.cycles-pp.btrfs_get_delayed_node 1.96 ? 6% +0.3 2.27 ? 8% perf-profile.children.cycles-pp.up_write 0.98 ? 9% +0.3 1.28 ? 5% perf-profile.children.cycles-pp.btrfs_get_or_create_delayed_node 0.90 ? 12% +0.3 1.21 ? 7% perf-profile.children.cycles-pp.__reserve_bytes 1.46 ? 11% +0.3 1.79 ? 3% perf-profile.children.cycles-pp.btrfs_root_node 1.11 ? 13% +0.3 1.44 ? 7% perf-profile.children.cycles-pp.wait_current_trans 1.44 ? 12% +0.4 1.79 ? 8% perf-profile.children.cycles-pp.rwsem_down_read_slowpath 1.87 ? 8% +0.4 2.22 ? 5% perf-profile.children.cycles-pp.read_block_for_search 1.19 ? 11% +0.4 1.54 ? 4% perf-profile.children.cycles-pp.btrfs_reserve_metadata_bytes 1.82 ? 9% +0.4 2.26 ? 6% perf-profile.children.cycles-pp.down_read 1.83 ? 9% +0.5 2.28 ? 6% perf-profile.children.cycles-pp.__btrfs_tree_read_lock 2.46 ? 6% +0.5 2.92 ? 5% perf-profile.children.cycles-pp.btrfs_free_path 1.58 ? 11% +0.5 2.04 ? 5% perf-profile.children.cycles-pp.btrfs_block_rsv_add 2.46 ? 6% +0.5 2.93 ? 5% perf-profile.children.cycles-pp.btrfs_release_path 2.33 ? 10% +0.5 2.87 ? 8% perf-profile.children.cycles-pp.__btrfs_release_delayed_node 2.35 ? 7% +0.7 3.02 ? 7% perf-profile.children.cycles-pp.__btrfs_end_transaction 3.08 ? 8% +0.7 3.76 ? 5% perf-profile.children.cycles-pp.btrfs_read_lock_root_node 4.06 ? 10% +1.1 5.12 ? 6% perf-profile.children.cycles-pp.btrfs_delayed_update_inode 5.27 ? 10% +1.4 6.64 ? 4% perf-profile.children.cycles-pp.start_transaction 5.72 ? 8% +1.4 7.11 ? 6% perf-profile.children.cycles-pp.btrfs_update_inode 15.73 ? 6% +2.6 18.33 ? 6% perf-profile.children.cycles-pp.btrfs_lookup_xattr 17.09 ? 6% +2.8 19.89 ? 6% perf-profile.children.cycles-pp.btrfs_search_slot 24.80 ? 5% +4.4 29.24 ? 4% perf-profile.children.cycles-pp.btrfs_setxattr 25.44 ? 5% +4.6 30.03 ? 4% perf-profile.children.cycles-pp.btrfs_set_prop 39.40 ? 4% +8.3 47.68 ? 4% perf-profile.children.cycles-pp.btrfs_fileattr_set 54.40 ? 3% +8.4 62.75 ? 3% perf-profile.children.cycles-pp.do_syscall_64 54.62 ? 3% +8.4 63.01 ? 3% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 40.88 ? 4% +8.6 49.44 ? 4% perf-profile.children.cycles-pp.vfs_fileattr_set 41.99 ? 4% +9.0 50.94 ? 4% perf-profile.children.cycles-pp.do_vfs_ioctl 42.48 ? 4% +9.2 51.65 ? 4% perf-profile.children.cycles-pp.__x64_sys_ioctl 44.82 ? 4% +9.6 54.45 ? 4% perf-profile.children.cycles-pp.ioctl 16.97 ? 5% -3.4 13.59 ? 6% perf-profile.self.cycles-pp.acpi_safe_halt 2.87 ? 4% -0.9 2.00 ? 12% perf-profile.self.cycles-pp.__intel_pmu_enable_all 1.91 ? 16% -0.4 1.50 ? 8% perf-profile.self.cycles-pp.stress_mwc8 1.29 ? 13% -0.3 0.97 ? 7% perf-profile.self.cycles-pp.stress_rndbuf 1.23 ? 6% -0.3 0.92 ? 4% perf-profile.self.cycles-pp.perf_adjust_freq_unthr_context 0.63 ? 12% -0.2 0.48 ? 5% perf-profile.self.cycles-pp.native_irq_return_iret 0.26 ? 9% -0.1 0.17 ? 11% perf-profile.self.cycles-pp.cpuidle_idle_call 0.22 ? 8% -0.1 0.17 ? 12% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt 0.13 ? 12% -0.1 0.08 ? 23% perf-profile.self.cycles-pp.__hrtimer_run_queues 0.09 ? 30% -0.1 0.04 ? 73% perf-profile.self.cycles-pp.crc_pcl 0.12 ? 23% -0.0 0.08 ? 10% perf-profile.self.cycles-pp.scheduler_tick 0.16 ? 13% -0.0 0.12 ? 12% perf-profile.self.cycles-pp.cpuidle_enter 0.11 ? 16% -0.0 0.08 ? 4% perf-profile.self.cycles-pp.x86_pmu_disable 0.12 ? 11% -0.0 0.10 ? 16% perf-profile.self.cycles-pp.note_gp_changes 0.08 ? 17% +0.0 0.12 ? 8% perf-profile.self.cycles-pp.btrfs_delayed_update_inode 0.07 ? 49% +0.0 0.11 ? 15% perf-profile.self.cycles-pp.fill_stack_inode_item 0.07 ? 18% +0.0 0.11 ? 9% perf-profile.self.cycles-pp.crc32c_pcl_intel_update 0.05 ? 49% +0.0 0.09 ? 14% perf-profile.self.cycles-pp.current_time 0.10 ? 17% +0.1 0.16 ? 15% perf-profile.self.cycles-pp.fileattr_set_prepare 0.13 ? 22% +0.1 0.19 ? 10% perf-profile.self.cycles-pp.strcmp 0.19 ? 9% +0.1 0.26 ? 9% perf-profile.self.cycles-pp.unlock_up 0.23 ? 14% +0.1 0.30 ? 6% perf-profile.self.cycles-pp.btrfs_fileattr_set 0.23 ? 15% +0.1 0.30 ? 8% perf-profile.self.cycles-pp.vfs_fileattr_set 0.31 ? 16% +0.1 0.38 ? 13% perf-profile.self.cycles-pp.rwsem_mark_wake 0.15 ? 22% +0.1 0.22 ? 17% perf-profile.self.cycles-pp.inode_maybe_inc_iversion 0.16 ? 11% +0.1 0.23 ? 10% perf-profile.self.cycles-pp.__schedule 0.24 ? 18% +0.1 0.31 ? 11% perf-profile.self.cycles-pp.wait_current_trans 0.48 ? 8% +0.1 0.56 ? 8% perf-profile.self.cycles-pp.kmem_cache_alloc 0.14 ? 14% +0.1 0.23 ? 11% perf-profile.self.cycles-pp.__x64_sys_ioctl 0.29 ? 11% +0.1 0.39 ? 12% perf-profile.self.cycles-pp.__fget_light 0.71 ? 6% +0.1 0.81 ? 10% perf-profile.self.cycles-pp.down_write 0.26 ? 15% +0.1 0.37 ? 11% perf-profile.self.cycles-pp.btrfs_setxattr 0.34 ? 8% +0.1 0.45 ? 13% perf-profile.self.cycles-pp.btrfs_put_transaction 0.31 ? 11% +0.1 0.42 ? 9% perf-profile.self.cycles-pp.__radix_tree_lookup 0.21 ? 16% +0.1 0.32 ? 15% perf-profile.self.cycles-pp.do_vfs_ioctl 0.25 ? 11% +0.1 0.38 ? 7% perf-profile.self.cycles-pp.__get_user_4 0.42 ? 15% +0.2 0.58 ? 11% perf-profile.self.cycles-pp.rwsem_down_read_slowpath 0.89 ? 11% +0.2 1.11 ? 10% perf-profile.self.cycles-pp.start_transaction 0.81 ? 12% +0.2 1.04 ? 9% perf-profile.self.cycles-pp.__btrfs_end_transaction 1.28 ? 4% +0.3 1.56 ? 7% perf-profile.self.cycles-pp.btrfs_search_slot 0.93 ? 11% +0.3 1.22 ? 4% perf-profile.self.cycles-pp.btrfs_get_delayed_node 1.45 ? 11% +0.3 1.77 ? 3% perf-profile.self.cycles-pp.btrfs_root_node 1.80 ? 3% +0.3 2.12 ? 4% perf-profile.self.cycles-pp.rwsem_optimistic_spin 5.38 ? 7% +1.2 6.58 ? 3% perf-profile.self.cycles-pp._raw_spin_lock 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