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46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: PdY2EQjLFKtWpPPG3pbVUHck1D9XUxIdLJ4mrq5DPcQdRaWgQQ0Ui+MqEtnAo2knmCuuXFH40wMofbr5Il+r/w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL4PR11MB8872 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 42.7% improvement of stress-ng.mmapfiles.ops_per_sec on: commit: 119a5d573622ae90ba730d18acfae9bb75d77b9a ("ring-buffer: Remove ring_buffer_read_prepare_sync()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory parameters: nr_threads: 100% testtime: 60s test: mmapfiles cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250808/202508080734.62d2e2e9-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/lkp-srf-2sp2/mmapfiles/stress-ng/60s commit: ca296d32ec ("tracing: ring_buffer: Rewind persistent ring buffer on reboot") 119a5d5736 ("ring-buffer: Remove ring_buffer_read_prepare_sync()") ca296d32ece38b07 119a5d573622ae90ba730d18acf ---------------- --------------------------- %stddev %change %stddev \ | \ 1.193e+10 -26.3% 8.798e+09 ± 2% cpuidle..time 558288 ± 2% +161.6% 1460278 ± 10% cpuidle..usage 22372 ± 46% +1763.2% 416840 ± 33% numa-meminfo.node0.PageTables 47857 ± 53% +94.6% 93108 ± 40% numa-meminfo.node1.KReclaimable 22578 ± 43% +1566.2% 376209 ± 33% numa-meminfo.node1.PageTables 47857 ± 53% +94.6% 93108 ± 40% numa-meminfo.node1.SReclaimable 479508 ± 10% +458.2% 2676402 ± 11% numa-numastat.node0.local_node 594878 ± 10% +363.8% 2758872 ± 12% numa-numastat.node0.numa_hit 531322 ± 10% +341.7% 2346758 ± 14% numa-numastat.node1.local_node 613929 ± 9% +301.1% 2462353 ± 15% numa-numastat.node1.numa_hit 98.51 -24.7% 74.15 ± 2% vmstat.cpu.id 2.83 ± 19% +1588.2% 47.70 ± 5% vmstat.procs.r 3473 +154.2% 8830 ± 7% vmstat.system.cs 14439 +659.0% 109604 ± 16% vmstat.system.in 152185 +67.3% 254663 meminfo.KReclaimable 10605505 +12.6% 11939258 ± 2% meminfo.Memused 44933 ± 2% +1660.3% 790954 ± 30% meminfo.PageTables 152185 +67.3% 254663 meminfo.SReclaimable 233417 +29.0% 301047 ± 6% meminfo.Shmem 11392789 +11.4% 12687942 ± 3% meminfo.max_used_kB 98.56 -25.3 73.31 ± 2% mpstat.cpu.all.idle% 0.02 ± 2% +0.1 0.15 ± 6% mpstat.cpu.all.irq% 0.04 ± 4% +0.1 0.11 ± 14% mpstat.cpu.all.soft% 1.21 ± 4% +24.9 26.13 ± 5% mpstat.cpu.all.sys% 0.17 +0.1 0.31 ± 4% mpstat.cpu.all.usr% 2.00 +341.7% 8.83 ± 36% mpstat.max_utilization.seconds 55.48 ± 4% +80.2% 99.98 mpstat.max_utilization_pct 5581 ± 46% +1788.6% 105415 ± 32% numa-vmstat.node0.nr_page_table_pages 594897 ± 10% +362.5% 2751363 ± 12% numa-vmstat.node0.numa_hit 479527 ± 10% +456.6% 2668892 ± 11% numa-vmstat.node0.numa_local 5638 ± 43% +1601.6% 95938 ± 33% numa-vmstat.node1.nr_page_table_pages 11964 ± 53% +94.4% 23254 ± 40% numa-vmstat.node1.nr_slab_reclaimable 613317 ± 9% +300.2% 2454445 ± 15% numa-vmstat.node1.numa_hit 530710 ± 10% +340.7% 2338849 ± 14% numa-vmstat.node1.numa_local 948595 +1.8% 965579 proc-vmstat.nr_file_pages 67777 +3.9% 70433 proc-vmstat.nr_mapped 11229 ± 2% +1691.2% 201140 ± 30% proc-vmstat.nr_page_table_pages 58340 +29.1% 75323 ± 6% proc-vmstat.nr_shmem 38047 +67.2% 63620 proc-vmstat.nr_slab_reclaimable 1211585 +329.3% 5201870 ± 11% proc-vmstat.numa_hit 1013607 +393.7% 5003804 ± 11% proc-vmstat.numa_local 1861736 +408.3% 9463058 ± 7% proc-vmstat.pgalloc_normal 557415 +4.3% 581427 ± 3% proc-vmstat.pgfault 1807764 +374.6% 8580349 ± 12% proc-vmstat.pgfree 18197 ± 2% +38.0% 25119 ± 7% proc-vmstat.pgreuse 191421 ± 3% -21.9% 149532 ± 7% stress-ng.mmapfiles.file_munmap_per_sec 3363175 ± 7% +107.9% 6993704 ± 27% stress-ng.mmapfiles.file_pages_mmap'd_per_sec 4884918 ± 3% +100.3% 9783815 ± 22% stress-ng.mmapfiles.file_pages_munmap'd_per_sec 6754176 +41.9% 9586043 ± 4% stress-ng.mmapfiles.ops 111144 +42.7% 158592 ± 4% stress-ng.mmapfiles.ops_per_sec 25.52 +103.5% 51.93 ± 26% stress-ng.mmapfiles.pages_per_mapping 2211 ± 7% +1357.1% 32217 ± 3% stress-ng.time.involuntary_context_switches 200039 +19.4% 238867 ± 2% stress-ng.time.minor_page_faults 223.67 ± 4% +2191.5% 5125 ± 5% stress-ng.time.percent_of_cpu_this_job_got 132.88 ± 4% +2229.6% 3095 ± 5% stress-ng.time.system_time 4.76 +285.9% 18.36 ± 6% stress-ng.time.user_time 24766 +366.3% 115490 ± 15% stress-ng.time.voluntary_context_switches 1.60 -25.3% 1.20 perf-stat.i.MPKI 9.736e+08 ± 4% +463.2% 5.483e+09 ± 6% perf-stat.i.branch-instructions 2.65 -2.0 0.60 ± 7% perf-stat.i.branch-miss-rate% 18028015 ± 2% +33.3% 24027893 ± 3% perf-stat.i.branch-misses 21.61 ± 2% +15.2 36.78 ± 3% perf-stat.i.cache-miss-rate% 5865140 ± 12% +371.6% 27661345 ± 9% perf-stat.i.cache-misses 18232987 ± 7% +317.0% 76028298 ± 9% perf-stat.i.cache-references 3231 +172.2% 8796 ± 8% perf-stat.i.context-switches 1.76 +210.2% 5.47 ± 7% perf-stat.i.cpi 7.856e+09 ± 7% +1983.0% 1.636e+11 ± 6% perf-stat.i.cpu-cycles 279.01 +11.2% 310.29 perf-stat.i.cpu-migrations 2586 ± 4% +137.5% 6141 ± 5% perf-stat.i.cycles-between-cache-misses 4.702e+09 ± 4% +460.6% 2.636e+10 ± 6% perf-stat.i.instructions 0.70 -47.1% 0.37 ± 15% perf-stat.i.ipc 1.85 ± 2% -1.4 0.44 ± 3% perf-stat.overall.branch-miss-rate% 32.01 ± 5% +4.4 36.40 perf-stat.overall.cache-miss-rate% 1.67 ± 3% +273.3% 6.24 perf-stat.overall.cpi 1354 ± 8% +340.9% 5970 ± 4% perf-stat.overall.cycles-between-cache-misses 0.60 ± 3% -73.2% 0.16 perf-stat.overall.ipc 9.638e+08 ± 4% +460.7% 5.404e+09 ± 6% perf-stat.ps.branch-instructions 17771587 ± 2% +32.3% 23506612 ± 3% perf-stat.ps.branch-misses 5801292 ± 12% +369.2% 27220520 ± 9% perf-stat.ps.cache-misses 18054778 ± 7% +314.5% 74836354 ± 9% perf-stat.ps.cache-references 3178 +172.2% 8650 ± 8% perf-stat.ps.context-switches 7.791e+09 ± 7% +1978.9% 1.62e+11 ± 5% perf-stat.ps.cpu-cycles 274.51 +11.5% 305.96 perf-stat.ps.cpu-migrations 4.656e+09 ± 4% +457.8% 2.597e+10 ± 6% perf-stat.ps.instructions 2.909e+11 ± 5% +453.0% 1.609e+12 ± 6% perf-stat.total.instructions 0.03 ± 8% +143.3% 0.07 ± 49% sched_debug.cfs_rq:/.h_nr_queued.avg 0.16 ± 3% +55.6% 0.25 ± 17% sched_debug.cfs_rq:/.h_nr_queued.stddev 0.03 ± 8% +143.3% 0.07 ± 49% sched_debug.cfs_rq:/.h_nr_runnable.avg 0.16 ± 3% +55.6% 0.25 ± 17% sched_debug.cfs_rq:/.h_nr_runnable.stddev 0.03 ± 8% +150.7% 0.07 ± 45% sched_debug.cfs_rq:/.nr_queued.avg 0.16 ± 3% +63.6% 0.26 ± 12% sched_debug.cfs_rq:/.nr_queued.stddev 83.59 ± 39% +103.0% 169.68 ± 27% sched_debug.cfs_rq:/.removed.load_avg.stddev 36.00 ± 37% +108.2% 74.96 ± 27% sched_debug.cfs_rq:/.removed.runnable_avg.stddev 35.99 ± 37% +108.3% 74.96 ± 27% sched_debug.cfs_rq:/.removed.util_avg.stddev 73.07 ± 8% +95.1% 142.52 ± 6% sched_debug.cfs_rq:/.runnable_avg.avg 132.39 ± 5% +61.7% 214.07 ± 6% sched_debug.cfs_rq:/.runnable_avg.stddev 72.93 ± 8% +95.2% 142.34 ± 6% sched_debug.cfs_rq:/.util_avg.avg 131.99 ± 5% +62.1% 213.94 ± 6% sched_debug.cfs_rq:/.util_avg.stddev 5.91 ± 21% +265.0% 21.58 ±105% sched_debug.cfs_rq:/.util_est.avg 399.75 ± 21% +76.2% 704.42 ± 12% sched_debug.cfs_rq:/.util_est.max 42.75 ± 17% +112.0% 90.63 ± 40% sched_debug.cfs_rq:/.util_est.stddev 63474 ± 15% -93.7% 4007 ± 33% sched_debug.cpu.avg_idle.min 130531 ± 3% +54.2% 201275 ± 24% sched_debug.cpu.avg_idle.stddev 240190 -10.6% 214836 ± 5% sched_debug.cpu.clock.avg 240210 -10.6% 214860 ± 5% sched_debug.cpu.clock.max 240161 -10.6% 214813 ± 5% sched_debug.cpu.clock.min 240107 -10.6% 214755 ± 5% sched_debug.cpu.clock_task.avg 240182 -10.6% 214836 ± 5% sched_debug.cpu.clock_task.max 233419 -10.8% 208173 ± 5% sched_debug.cpu.clock_task.min 87.53 ± 9% +187.7% 251.86 ± 80% sched_debug.cpu.curr->pid.avg 586.44 ± 3% +46.2% 857.66 ± 32% sched_debug.cpu.curr->pid.stddev 0.00 ± 5% +31.2% 0.00 ± 13% sched_debug.cpu.next_balance.stddev 0.02 ± 12% +166.0% 0.06 ± 56% sched_debug.cpu.nr_running.avg 0.14 ± 6% +67.8% 0.23 ± 20% sched_debug.cpu.nr_running.stddev 0.50 -86.2% 0.07 ±203% sched_debug.cpu.nr_uninterruptible.avg 240171 -10.6% 214815 ± 5% sched_debug.cpu_clk 239913 -10.6% 214554 ± 5% sched_debug.ktime 240379 -10.5% 215030 ± 5% sched_debug.sched_clk 0.00 ± 73% +5026.3% 0.16 ± 75% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region 0.01 ± 6% +67.1% 0.02 ± 22% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity 0.00 ±143% +9114.3% 0.11 ±111% perf-sched.sch_delay.avg.ms.__cond_resched.dput.terminate_walk.path_openat.do_filp_open 0.00 ±223% +2650.0% 0.02 ± 39% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.getname_flags.part.0 0.02 ± 14% -43.8% 0.01 ± 18% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.02 ± 14% -38.7% 0.01 ± 32% perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.00 ±130% +1180.8% 0.06 ±105% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 0.00 ±100% +2261.5% 0.10 ±189% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown] 0.02 ± 8% -44.1% 0.01 ± 14% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 0.01 ± 2% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 0.01 ± 3% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 21.61 ±223% -100.0% 0.00 ±223% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 0.02 ± 41% -91.2% 0.00 ±223% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 0.03 ± 12% -60.6% 0.01 ± 28% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.00 ± 73% +22042.1% 0.70 ± 81% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region 0.18 ±173% +591.2% 1.24 ± 49% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity 0.00 ±143% +50485.7% 0.59 ± 91% perf-sched.sch_delay.max.ms.__cond_resched.dput.terminate_walk.path_openat.do_filp_open 0.00 ±223% +11625.0% 0.08 ± 75% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.getname_flags.part.0 0.04 ± 7% -43.2% 0.02 ± 36% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.04 ± 6% -49.5% 0.02 ± 46% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.02 ± 38% +2026.5% 0.41 ± 79% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 0.00 ±130% +9969.2% 0.44 ±118% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 0.01 ±123% +30451.5% 1.68 ±210% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown] 0.69 ±214% -98.4% 0.01 ± 21% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 0.04 ± 5% -34.6% 0.03 ± 18% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 0.03 ± 17% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 0.02 ± 18% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 151.19 ±223% -100.0% 0.00 ±223% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 5.35 ± 99% -100.0% 0.00 ±223% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 158.67 ±223% -100.0% 0.01 ±120% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 1.73 ± 12% +633.0% 12.67 ±113% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.10 ± 97% -90.9% 0.01 ± 44% perf-sched.total_sch_delay.average.ms 318.07 -74.2% 81.94 ± 59% perf-sched.total_wait_and_delay.average.ms 7377 +365.1% 34316 ± 49% perf-sched.total_wait_and_delay.count.ms 317.97 -74.2% 81.93 ± 59% perf-sched.total_wait_time.average.ms 3.94 -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 490.51 ± 2% -13.3% 425.48 ± 10% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 549.71 ± 14% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 635.63 ± 4% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 619.17 ± 6% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release 646.14 ± 3% -97.2% 18.27 ±141% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr 743.78 ± 7% -95.7% 31.63 ±223% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 233.72 ± 4% -93.2% 15.82 ±223% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 721.82 ± 8% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 632.62 ± 19% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe 228.23 ± 7% -96.8% 7.24 ±223% perf-sched.wait_and_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 3.25 +29.2% 4.20 ± 2% perf-sched.wait_and_delay.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 914.98 ± 2% -86.1% 127.54 ± 31% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 122.83 -66.9% 40.67 ±141% perf-sched.wait_and_delay.count.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 420.50 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.count.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 75.00 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 64.00 ± 11% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 80.33 ± 6% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release 535.83 ± 4% -99.2% 4.33 ±213% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr 10.00 ± 37% -98.3% 0.17 ±223% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 570.67 ± 3% -99.9% 0.33 ±223% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 63.33 ± 10% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 17.67 ± 18% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe 465.67 -99.7% 1.50 ±223% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 1027 +15.5% 1186 ± 2% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 1553 +9.8% 1704 ± 2% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 626.67 +792.9% 5595 ± 31% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 1665 ± 43% -70.5% 491.40 ±100% perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 5.00 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 1002 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 1013 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 1013 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release 1023 ± 3% -94.3% 58.85 ±182% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr 990.98 ± 3% -96.8% 31.63 ±223% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 1009 ± 3% -96.9% 31.64 ±223% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 1010 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 989.32 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe 1024 ± 3% -96.9% 31.50 ±223% perf-sched.wait_and_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 0.11 ±223% +23337.7% 24.65 ±214% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 490.50 ± 2% -13.3% 425.46 ± 10% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 549.70 ± 14% -100.0% 0.00 ±223% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 635.61 ± 4% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 619.16 ± 6% -100.0% 0.04 ±223% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release 645.85 ± 3% -93.4% 42.51 ± 36% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr 722.17 ± 13% -95.6% 31.63 ±223% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 233.70 ± 4% -93.2% 15.82 ±223% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 718.98 ± 9% -98.9% 7.61 ±154% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 632.60 ± 19% -100.0% 0.13 ±223% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe 227.88 ± 7% -85.6% 32.76 ± 24% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 0.66 ± 6% +60.5% 1.06 ± 6% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 3.24 +29.2% 4.18 ± 2% perf-sched.wait_time.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 914.95 ± 2% -86.1% 127.53 ± 31% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.00 ±141% +643.8% 0.02 ±105% perf-sched.wait_time.max.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part 0.11 ±223% +1.6e+05% 173.47 ±213% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown] 4.99 -23.4% 3.82 ± 35% perf-sched.wait_time.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 1002 -100.0% 0.00 ±223% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open 1013 ± 2% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open 1013 ± 3% -100.0% 0.04 ±223% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release 1023 ± 3% -88.1% 121.41 ± 68% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr 990.96 ± 3% -96.8% 31.63 ±223% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe 1009 ± 3% -96.9% 31.64 ±223% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release 1010 ± 3% -98.5% 15.22 ±154% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr 989.30 ± 2% -100.0% 0.13 ±223% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe 1024 ± 3% -88.4% 118.41 ± 43% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp 2.43 ± 12% +284.4% 9.32 ± 15% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 5.00 +32.2% 6.61 ± 18% perf-sched.wait_time.max.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 44.22 ± 10% -42.1 2.09 ± 92% perf-profile.calltrace.cycles-pp.__cmd_record 42.62 ± 12% -40.5 2.08 ± 92% perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.__cmd_record 42.62 ± 12% -40.5 2.08 ± 92% perf-profile.calltrace.cycles-pp.record__finish_output.__cmd_record 42.50 ± 12% -40.4 2.08 ± 92% perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 37.52 ± 13% -35.9 1.64 ±104% perf-profile.calltrace.cycles-pp.process_simple.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 35.11 ± 13% -33.6 1.56 ±102% perf-profile.calltrace.cycles-pp.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events.record__finish_output 34.68 ± 14% -33.1 1.54 ±101% perf-profile.calltrace.cycles-pp.queue_event.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events 21.55 ± 7% -21.1 0.49 ±172% perf-profile.calltrace.cycles-pp.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 21.53 ± 7% -21.0 0.49 ±171% perf-profile.calltrace.cycles-pp.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output 20.50 ± 7% -20.0 0.50 ±179% perf-profile.calltrace.cycles-pp.handle_internal_command.main 20.50 ± 7% -20.0 0.50 ±179% perf-profile.calltrace.cycles-pp.main 20.50 ± 7% -20.0 0.50 ±179% perf-profile.calltrace.cycles-pp.run_builtin.handle_internal_command.main 20.44 ± 7% -20.0 0.46 ±172% perf-profile.calltrace.cycles-pp.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events 19.35 ± 8% -19.0 0.38 ±223% perf-profile.calltrace.cycles-pp.__cmd_record.cmd_record.perf_c2c__record.run_builtin.handle_internal_command 19.35 ± 8% -19.0 0.38 ±223% perf-profile.calltrace.cycles-pp.cmd_record.perf_c2c__record.run_builtin.handle_internal_command.main 19.35 ± 8% -19.0 0.38 ±223% perf-profile.calltrace.cycles-pp.perf_c2c__record.run_builtin.handle_internal_command.main 16.95 ± 8% -16.7 0.24 ±223% perf-profile.calltrace.cycles-pp.record__finish_output.__cmd_record.cmd_record.perf_c2c__record.run_builtin 16.94 ± 8% -16.7 0.24 ±223% perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.__cmd_record.cmd_record.perf_c2c__record 16.91 ± 8% -16.7 0.24 ±223% perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record.cmd_record 15.60 ± 18% -14.4 1.20 ± 51% perf-profile.calltrace.cycles-pp.common_startup_64 12.83 ± 9% -12.6 0.22 ±223% perf-profile.calltrace.cycles-pp.machine__process_mmap2_event.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event 13.16 ± 20% -12.2 0.94 ± 37% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64 13.16 ± 20% -12.2 0.94 ± 37% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64 13.15 ± 20% -12.2 0.94 ± 37% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64 12.24 ± 19% -11.3 0.89 ± 77% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 10.80 ± 21% -9.9 0.90 ± 36% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 10.23 ± 19% -9.4 0.84 ± 77% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 10.22 ± 19% -9.4 0.84 ± 77% perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 10.22 ± 19% -9.4 0.84 ± 77% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter 9.83 ± 21% -9.1 0.75 ± 57% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 8.03 ± 18% -7.5 0.52 ±123% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state 7.64 ± 24% -7.1 0.52 ± 79% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter 6.76 ± 6% -6.6 0.12 ±223% perf-profile.calltrace.cycles-pp.evlist__parse_sample.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event 6.42 ± 6% -6.3 0.15 ±223% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 6.42 ± 6% -6.3 0.15 ±223% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 6.42 ± 6% -6.3 0.15 ±223% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 6.08 ± 7% -6.0 0.10 ±223% perf-profile.calltrace.cycles-pp.map__new.machine__process_mmap2_event.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event 0.00 +0.9 0.90 ± 14% perf-profile.calltrace.cycles-pp.kernfs_dop_revalidate.lookup_fast.open_last_lookups.path_openat.do_filp_open 0.00 +1.0 0.96 ± 36% perf-profile.calltrace.cycles-pp.kernfs_fop_open.do_dentry_open.vfs_open.do_open.path_openat 0.00 +1.0 0.98 ± 30% perf-profile.calltrace.cycles-pp.set_nlink.kernfs_iop_permission.inode_permission.link_path_walk.path_openat 0.00 +1.0 1.02 ± 35% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open 0.00 +1.2 1.20 ± 56% perf-profile.calltrace.cycles-pp.kernfs_fop_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.26 ±100% +1.7 1.95 ± 63% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.17 ±141% +1.7 1.87 ± 63% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.00 +2.0 1.97 ± 19% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.step_into.link_path_walk.path_openat 0.00 +2.1 2.09 ± 73% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 0.00 +2.1 2.12 ± 73% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 0.00 +2.1 2.13 ± 73% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64 0.00 +2.1 2.14 ± 73% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.getdents64 0.00 +2.2 2.18 ± 73% perf-profile.calltrace.cycles-pp.getdents64 0.00 +2.7 2.71 ± 86% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +2.7 2.73 ± 85% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.00 +2.9 2.89 ± 85% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat 0.00 +2.9 2.94 ± 83% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open 0.00 +2.9 2.95 ± 83% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +3.1 3.10 ± 41% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.may_open.do_open 0.00 +3.2 3.24 ± 16% perf-profile.calltrace.cycles-pp.down_read.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk 0.00 +3.5 3.48 ± 35% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat 0.00 +3.8 3.75 ± 16% perf-profile.calltrace.cycles-pp.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk.path_openat 0.00 +4.2 4.19 ± 39% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.may_open.do_open.path_openat 0.00 +4.3 4.27 ± 38% perf-profile.calltrace.cycles-pp.inode_permission.may_open.do_open.path_openat.do_filp_open 0.00 +4.3 4.34 ± 28% perf-profile.calltrace.cycles-pp.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat.do_syscall_64 0.00 +4.6 4.57 ± 33% perf-profile.calltrace.cycles-pp.may_open.do_open.path_openat.do_filp_open.do_sys_openat2 0.00 +4.6 4.57 ± 22% perf-profile.calltrace.cycles-pp.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +4.6 4.61 ± 22% perf-profile.calltrace.cycles-pp.vfs_fstat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 0.00 +4.6 4.62 ±105% perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 0.00 +4.8 4.83 ± 19% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 0.00 +4.9 4.89 ± 18% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 0.00 +4.9 4.92 ± 18% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fstatat64 0.00 +5.1 5.12 ± 16% perf-profile.calltrace.cycles-pp.fstatat64 1.28 ± 12% +5.6 6.84 ± 22% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.00 +5.6 5.59 ± 98% perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +5.7 5.68 ± 98% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 0.00 +5.7 5.73 ± 98% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 0.00 +5.8 5.82 ± 98% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap 0.00 +5.8 5.83 ± 98% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap 0.00 +6.0 6.02 ± 97% perf-profile.calltrace.cycles-pp.__mmap 0.00 +7.1 7.08 ± 80% perf-profile.calltrace.cycles-pp._raw_spin_lock.__d_lookup.lookup_fast.walk_component.link_path_walk 0.00 +7.2 7.21 ± 79% perf-profile.calltrace.cycles-pp.__d_lookup.lookup_fast.walk_component.link_path_walk.path_openat 0.00 +7.9 7.88 ± 74% perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_openat.do_filp_open 0.00 +8.3 8.28 ± 68% perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +8.4 8.39 ± 20% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 0.00 +8.4 8.39 ± 20% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 0.00 +8.4 8.42 ± 20% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel 0.00 +8.4 8.42 ± 20% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__open64_nocancel 0.00 +8.5 8.45 ± 20% perf-profile.calltrace.cycles-pp.__open64_nocancel 0.00 +11.6 11.58 ± 48% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open 0.00 +11.6 11.61 ± 48% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +14.9 14.93 ± 39% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat 0.00 +19.5 19.53 ± 38% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat 0.00 +36.7 36.65 ± 37% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open 0.00 +40.5 40.51 ± 34% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.30 ±101% +63.6 63.93 ± 28% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 2.37 ± 13% +65.8 68.21 ± 21% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 2.38 ± 13% +65.8 68.22 ± 21% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 2.40 ± 13% +66.0 68.42 ± 21% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 2.41 ± 13% +66.0 68.43 ± 21% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 2.48 ± 13% +66.2 68.63 ± 21% perf-profile.calltrace.cycles-pp.open64 2.30 ± 13% +73.9 76.20 ± 22% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 2.30 ± 13% +73.9 76.23 ± 22% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 63.68 ± 7% -60.9 2.75 ± 97% perf-profile.children.cycles-pp.__cmd_record 59.56 ± 9% -57.2 2.40 ±100% perf-profile.children.cycles-pp.record__finish_output 59.56 ± 9% -57.2 2.40 ±100% perf-profile.children.cycles-pp.perf_session__process_events 59.42 ± 9% -57.0 2.40 ±100% perf-profile.children.cycles-pp.reader__read_event 37.54 ± 13% -35.8 1.72 ± 96% perf-profile.children.cycles-pp.process_simple 35.18 ± 13% -33.6 1.62 ± 96% perf-profile.children.cycles-pp.ordered_events__queue 34.82 ± 14% -33.2 1.60 ± 96% perf-profile.children.cycles-pp.queue_event 21.64 ± 7% -21.0 0.67 ±111% perf-profile.children.cycles-pp.__ordered_events__flush 21.55 ± 7% -20.9 0.67 ±111% perf-profile.children.cycles-pp.perf_session__process_user_event 21.41 ± 7% -20.7 0.66 ±110% perf-profile.children.cycles-pp.perf_session__deliver_event 20.50 ± 7% -19.8 0.69 ±113% perf-profile.children.cycles-pp.handle_internal_command 20.50 ± 7% -19.8 0.69 ±113% perf-profile.children.cycles-pp.main 20.50 ± 7% -19.8 0.69 ±113% perf-profile.children.cycles-pp.run_builtin 19.63 ± 8% -19.0 0.66 ±113% perf-profile.children.cycles-pp.cmd_record 19.35 ± 8% -18.7 0.62 ±119% perf-profile.children.cycles-pp.perf_c2c__record 15.60 ± 18% -14.4 1.20 ± 51% perf-profile.children.cycles-pp.common_startup_64 15.60 ± 18% -14.4 1.20 ± 51% perf-profile.children.cycles-pp.cpu_startup_entry 15.58 ± 18% -14.4 1.20 ± 51% perf-profile.children.cycles-pp.do_idle 12.96 ± 9% -12.6 0.38 ±116% perf-profile.children.cycles-pp.machine__process_mmap2_event 13.16 ± 20% -12.2 0.94 ± 37% perf-profile.children.cycles-pp.start_secondary 13.22 ± 19% -12.1 1.16 ± 51% perf-profile.children.cycles-pp.cpuidle_idle_call 12.24 ± 19% -11.2 1.09 ± 53% perf-profile.children.cycles-pp.cpuidle_enter 12.24 ± 19% -11.2 1.08 ± 53% perf-profile.children.cycles-pp.cpuidle_enter_state 10.23 ± 19% -9.2 1.03 ± 53% perf-profile.children.cycles-pp.acpi_idle_enter 10.23 ± 19% -9.2 1.02 ± 53% perf-profile.children.cycles-pp.acpi_idle_do_entry 10.23 ± 19% -9.2 1.02 ± 53% perf-profile.children.cycles-pp.acpi_safe_halt 10.22 ± 19% -9.2 1.02 ± 53% perf-profile.children.cycles-pp.pv_native_safe_halt 6.81 ± 6% -6.6 0.22 ±111% perf-profile.children.cycles-pp.evlist__parse_sample 6.19 ± 7% -6.0 0.16 ±123% perf-profile.children.cycles-pp.map__new 6.45 ± 6% -6.0 0.46 ± 48% perf-profile.children.cycles-pp.ret_from_fork 6.45 ± 6% -6.0 0.46 ± 48% perf-profile.children.cycles-pp.ret_from_fork_asm 6.42 ± 6% -6.0 0.45 ± 47% perf-profile.children.cycles-pp.kthread 7.06 ± 21% -5.7 1.36 ± 37% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 5.32 ± 5% -5.1 0.18 ±109% perf-profile.children.cycles-pp.evlist__event2evsel 5.12 ± 21% -3.9 1.19 ± 35% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 3.57 ± 9% -3.5 0.08 ±151% perf-profile.children.cycles-pp.__dsos__find_by_longname_id 3.71 ± 14% -3.4 0.28 ± 84% perf-profile.children.cycles-pp._nohz_idle_balance 4.02 ± 14% -3.4 0.61 ± 86% perf-profile.children.cycles-pp.handle_softirqs 3.94 ± 15% -3.4 0.58 ± 85% perf-profile.children.cycles-pp.__irq_exit_rcu 3.43 ± 11% -3.3 0.09 ±149% perf-profile.children.cycles-pp.maps__fixup_overlap_and_insert 3.60 ± 6% -3.3 0.33 ± 32% perf-profile.children.cycles-pp.worker_thread 3.63 ± 12% -3.3 0.36 ± 76% perf-profile.children.cycles-pp.asm_sysvec_call_function_single 3.18 ± 7% -3.0 0.21 ± 35% perf-profile.children.cycles-pp.process_one_work 3.27 ± 11% -2.9 0.34 ± 76% perf-profile.children.cycles-pp.sysvec_call_function_single 2.89 ± 11% -2.8 0.13 ±113% perf-profile.children.cycles-pp.read 2.84 ± 5% -2.7 0.19 ± 78% perf-profile.children.cycles-pp.write 2.73 ± 11% -2.6 0.13 ±111% perf-profile.children.cycles-pp.ksys_read 2.67 ± 12% -2.6 0.07 ±143% perf-profile.children.cycles-pp.asm_exc_page_fault 2.76 ± 5% -2.6 0.18 ± 78% perf-profile.children.cycles-pp.ksys_write 2.78 ± 10% -2.6 0.20 ± 48% perf-profile.children.cycles-pp.__schedule 2.74 ± 5% -2.6 0.18 ± 80% perf-profile.children.cycles-pp.vfs_write 2.63 ± 11% -2.5 0.12 ±112% perf-profile.children.cycles-pp.vfs_read 2.41 ± 7% -2.3 0.07 ±143% perf-profile.children.cycles-pp.evsel__parse_sample 3.13 ± 20% -2.3 0.85 ± 20% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 3.06 ± 20% -2.2 0.84 ± 19% perf-profile.children.cycles-pp.hrtimer_interrupt 2.47 ± 8% -2.2 0.28 ± 52% perf-profile.children.cycles-pp.sched_balance_rq 2.44 ± 11% -2.2 0.26 ±107% perf-profile.children.cycles-pp.rest_init 2.44 ± 11% -2.2 0.26 ±107% perf-profile.children.cycles-pp.start_kernel 2.44 ± 11% -2.2 0.26 ±107% perf-profile.children.cycles-pp.x86_64_start_kernel 2.44 ± 11% -2.2 0.26 ±107% perf-profile.children.cycles-pp.x86_64_start_reservations 2.27 ± 9% -2.2 0.11 ±116% perf-profile.children.cycles-pp.seq_read_iter 2.27 ± 8% -2.0 0.24 ± 51% perf-profile.children.cycles-pp.sched_balance_find_src_group 2.20 ± 9% -2.0 0.18 ± 43% perf-profile.children.cycles-pp.schedule 2.25 ± 8% -2.0 0.24 ± 51% perf-profile.children.cycles-pp.update_sd_lb_stats 2.10 ± 8% -1.9 0.22 ± 48% perf-profile.children.cycles-pp.update_sg_lb_stats 1.90 ± 10% -1.8 0.08 ±106% perf-profile.children.cycles-pp.smpboot_thread_fn 1.96 ± 8% -1.8 0.16 ± 44% perf-profile.children.cycles-pp.__pick_next_task 1.88 ± 6% -1.7 0.17 ± 87% perf-profile.children.cycles-pp.writen 1.82 ± 6% -1.7 0.16 ± 86% perf-profile.children.cycles-pp.shmem_file_write_iter 1.81 ± 6% -1.7 0.15 ± 86% perf-profile.children.cycles-pp.generic_perform_write 1.86 ± 6% -1.6 0.26 ± 81% perf-profile.children.cycles-pp.record__mmap_read_evlist 1.85 ± 7% -1.6 0.25 ± 83% perf-profile.children.cycles-pp.perf_mmap__push 1.78 ± 7% -1.6 0.18 ± 77% perf-profile.children.cycles-pp.record__pushfn 1.72 ± 9% -1.6 0.15 ± 43% perf-profile.children.cycles-pp.sched_balance_newidle 2.16 ± 22% -1.5 0.62 ± 18% perf-profile.children.cycles-pp.__hrtimer_run_queues 1.58 ± 7% -1.5 0.08 ±131% perf-profile.children.cycles-pp.seq_read 1.93 ± 24% -1.3 0.60 ± 18% perf-profile.children.cycles-pp.tick_nohz_handler 1.27 ± 10% -1.2 0.11 ± 93% perf-profile.children.cycles-pp.copy_folio_from_iter_atomic 1.16 ± 16% -1.1 0.08 ± 63% perf-profile.children.cycles-pp.raw_spin_rq_lock_nested 1.16 ± 20% -1.0 0.13 ± 53% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 1.15 ± 6% -1.0 0.12 ± 86% perf-profile.children.cycles-pp.vfs_fstatat 1.09 ± 20% -1.0 0.07 ±103% perf-profile.children.cycles-pp.idle_cpu 1.14 ± 14% -1.0 0.15 ± 60% perf-profile.children.cycles-pp.sched_balance_domains 1.01 ± 22% -1.0 0.06 ± 89% perf-profile.children.cycles-pp.update_rq_clock_task 1.15 ± 10% -0.9 0.27 ± 85% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 1.06 ± 14% -0.8 0.23 ± 84% perf-profile.children.cycles-pp.get_page_from_freelist 0.84 ± 11% -0.8 0.03 ±105% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 0.87 ± 15% -0.8 0.07 ± 92% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 1.04 ± 9% -0.8 0.26 ± 84% perf-profile.children.cycles-pp.alloc_pages_mpol 0.77 ± 8% -0.7 0.03 ±102% perf-profile.children.cycles-pp.__sysvec_call_function_single 0.86 ± 11% -0.7 0.18 ± 84% perf-profile.children.cycles-pp.clear_page_erms 1.20 ± 30% -0.7 0.52 ± 13% perf-profile.children.cycles-pp.update_process_times 0.76 ± 15% -0.6 0.13 ± 37% perf-profile.children.cycles-pp.pick_next_task_fair 0.82 ± 19% -0.6 0.19 ± 30% perf-profile.children.cycles-pp.ktime_get 0.80 ± 24% -0.6 0.22 ±116% perf-profile.children.cycles-pp.rcu_core 0.51 ± 12% -0.5 0.04 ± 75% perf-profile.children.cycles-pp.update_load_avg 0.63 ± 14% -0.5 0.17 ± 29% perf-profile.children.cycles-pp.clockevents_program_event 0.46 ± 30% -0.4 0.04 ± 45% perf-profile.children.cycles-pp.menu_select 0.53 ± 30% -0.3 0.24 ± 12% perf-profile.children.cycles-pp.sched_tick 0.30 ± 36% -0.3 0.02 ± 99% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length 0.30 ± 36% -0.3 0.05 ± 86% perf-profile.children.cycles-pp.__poll 0.30 ± 37% -0.3 0.05 ± 85% perf-profile.children.cycles-pp.__x64_sys_poll 0.30 ± 37% -0.2 0.05 ± 85% perf-profile.children.cycles-pp.do_sys_poll 0.37 ± 19% -0.2 0.14 ± 62% perf-profile.children.cycles-pp.tracing_check_open_get_tr 0.25 ± 18% -0.2 0.03 ±102% perf-profile.children.cycles-pp.tracing_buffers_open 0.32 ± 36% -0.2 0.12 ± 27% perf-profile.children.cycles-pp.tmigr_requires_handle_remote 0.25 ± 23% -0.2 0.05 ± 90% perf-profile.children.cycles-pp.__tracing_open 0.21 ± 28% -0.2 0.03 ±108% perf-profile.children.cycles-pp.native_sched_clock 0.19 ± 30% -0.2 0.04 ±115% perf-profile.children.cycles-pp.rmqueue 0.02 ±144% +0.1 0.10 ± 63% perf-profile.children.cycles-pp.hash_name 0.00 +0.1 0.09 ± 67% perf-profile.children.cycles-pp.mas_data_end 0.00 +0.1 0.10 ± 35% perf-profile.children.cycles-pp.kvfree_call_rcu 0.00 +0.1 0.11 ± 29% perf-profile.children.cycles-pp.kvfree_rcu_bulk 0.00 +0.1 0.12 ± 38% perf-profile.children.cycles-pp.kmem_cache_free_bulk 0.01 ±223% +0.1 0.14 ± 56% perf-profile.children.cycles-pp.seq_open 0.00 +0.1 0.14 ± 71% perf-profile.children.cycles-pp.filldir64 0.02 ±142% +0.1 0.16 ± 48% perf-profile.children.cycles-pp.__kmalloc_cache_noprof 0.00 +0.2 0.15 ± 72% perf-profile.children.cycles-pp.vm_area_alloc 0.02 ±223% +0.2 0.17 ± 75% perf-profile.children.cycles-pp.alloc_empty_file 0.00 +0.2 0.16 ± 44% perf-profile.children.cycles-pp.kernfs_unlink_open_file 0.00 +0.2 0.19 ± 33% perf-profile.children.cycles-pp.vma_migratable 0.00 +0.2 0.21 ± 32% perf-profile.children.cycles-pp.task_numa_work 0.00 +0.2 0.21 ± 35% perf-profile.children.cycles-pp.unmap_region 0.08 ± 59% +0.2 0.31 ± 79% perf-profile.children.cycles-pp.rb_next 0.01 ±223% +0.2 0.25 ± 91% perf-profile.children.cycles-pp.__traverse_mounts 0.01 ±223% +0.3 0.26 ± 46% perf-profile.children.cycles-pp.kernfs_fop_release 0.09 ± 65% +0.3 0.36 ± 43% perf-profile.children.cycles-pp.task_work_run 0.21 ± 39% +0.3 0.52 ± 35% perf-profile.children.cycles-pp.mutex_lock 0.00 +0.5 0.54 ± 66% perf-profile.children.cycles-pp.mas_rev_awalk 0.00 +0.7 0.67 ± 66% perf-profile.children.cycles-pp.mas_empty_area_rev 0.00 +0.8 0.80 ± 68% perf-profile.children.cycles-pp.unmapped_area_topdown 0.00 +0.8 0.80 ± 67% perf-profile.children.cycles-pp.vm_unmapped_area 0.00 +0.8 0.84 ± 67% perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 0.11 ± 13% +0.9 0.96 ± 36% perf-profile.children.cycles-pp.kernfs_fop_open 0.01 ±223% +0.9 0.87 ± 67% perf-profile.children.cycles-pp.__get_unmapped_area 0.00 +1.0 0.96 ± 26% perf-profile.children.cycles-pp.generic_permission 0.00 +1.1 1.14 ± 30% perf-profile.children.cycles-pp.set_nlink 0.05 ± 73% +1.2 1.20 ± 56% perf-profile.children.cycles-pp.kernfs_fop_readdir 0.50 ± 16% +1.6 2.13 ± 54% perf-profile.children.cycles-pp.open_last_lookups 0.10 ± 56% +2.0 2.09 ± 73% perf-profile.children.cycles-pp.iterate_dir 0.10 ± 56% +2.0 2.12 ± 73% perf-profile.children.cycles-pp.__x64_sys_getdents64 0.11 ± 55% +2.1 2.20 ± 73% perf-profile.children.cycles-pp.getdents64 0.03 ±101% +2.9 2.95 ± 76% perf-profile.children.cycles-pp.terminate_walk 0.04 ±101% +3.1 3.18 ± 74% perf-profile.children.cycles-pp.lockref_get_not_dead 0.08 ± 53% +3.1 3.23 ± 72% perf-profile.children.cycles-pp.__legitimize_path 0.09 ± 50% +3.2 3.24 ± 72% perf-profile.children.cycles-pp.try_to_unlazy 0.08 ± 46% +3.5 3.60 ± 23% perf-profile.children.cycles-pp.lockref_put_return 1.26 ± 5% +3.6 4.88 ± 18% perf-profile.children.cycles-pp.__do_sys_newfstatat 0.26 ± 24% +3.8 4.03 ±106% perf-profile.children.cycles-pp.__mmap_new_vma 1.30 ± 6% +3.9 5.20 ± 15% perf-profile.children.cycles-pp.fstatat64 0.00 +4.3 4.34 ± 28% perf-profile.children.cycles-pp.kernfs_iop_getattr 0.06 ± 80% +4.5 4.57 ± 22% perf-profile.children.cycles-pp.vfs_getattr_nosec 0.14 ± 49% +4.5 4.67 ± 30% perf-profile.children.cycles-pp.may_open 0.05 ± 76% +4.6 4.61 ± 22% perf-profile.children.cycles-pp.vfs_fstat 0.28 ± 22% +4.8 5.10 ± 13% perf-profile.children.cycles-pp.kernfs_dop_revalidate 0.62 ± 27% +5.0 5.61 ± 98% perf-profile.children.cycles-pp.do_mmap 0.63 ± 26% +5.1 5.70 ± 98% perf-profile.children.cycles-pp.vm_mmap_pgoff 0.46 ± 23% +5.3 5.74 ± 98% perf-profile.children.cycles-pp.ksys_mmap_pgoff 1.34 ± 11% +5.6 6.91 ± 20% perf-profile.children.cycles-pp.do_open 0.18 ± 27% +5.9 6.06 ± 97% perf-profile.children.cycles-pp.__mmap 0.41 ± 17% +7.9 8.27 ± 62% perf-profile.children.cycles-pp.__d_lookup 0.44 ± 11% +8.1 8.54 ± 64% perf-profile.children.cycles-pp.step_into 0.22 ± 32% +8.2 8.47 ± 20% perf-profile.children.cycles-pp.__open64_nocancel 0.98 ± 7% +10.7 11.65 ± 47% perf-profile.children.cycles-pp.walk_component 0.18 ± 9% +11.1 11.29 ± 64% perf-profile.children.cycles-pp.dput 1.28 ± 9% +12.3 13.63 ± 36% perf-profile.children.cycles-pp.lookup_fast 0.58 ± 20% +14.9 15.45 ±102% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 1.65 ± 13% +16.0 17.66 ± 86% perf-profile.children.cycles-pp._raw_spin_lock 0.03 ±142% +17.2 17.26 ± 35% perf-profile.children.cycles-pp.up_read 0.11 ± 32% +30.7 30.82 ± 34% perf-profile.children.cycles-pp.down_read 0.07 ± 80% +40.9 40.93 ± 37% perf-profile.children.cycles-pp.kernfs_iop_permission 0.26 ± 33% +44.6 44.87 ± 34% perf-profile.children.cycles-pp.inode_permission 1.23 ± 12% +62.8 63.98 ± 28% perf-profile.children.cycles-pp.link_path_walk 2.48 ± 13% +66.2 68.67 ± 21% perf-profile.children.cycles-pp.open64 2.63 ± 12% +73.6 76.25 ± 22% perf-profile.children.cycles-pp.path_openat 2.64 ± 12% +73.6 76.27 ± 22% perf-profile.children.cycles-pp.do_filp_open 2.74 ± 12% +73.9 76.64 ± 21% perf-profile.children.cycles-pp.do_sys_openat2 2.75 ± 12% +73.9 76.65 ± 21% perf-profile.children.cycles-pp.__x64_sys_openat 14.74 ± 9% +79.7 94.47 ± 4% perf-profile.children.cycles-pp.do_syscall_64 14.76 ± 9% +79.8 94.54 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 34.27 ± 14% -32.7 1.58 ± 96% perf-profile.self.cycles-pp.queue_event 5.12 ± 6% -4.9 0.17 ±113% perf-profile.self.cycles-pp.evlist__event2evsel 2.38 ± 7% -2.3 0.06 ±147% perf-profile.self.cycles-pp.evsel__parse_sample 2.19 ± 21% -2.0 0.17 ± 60% perf-profile.self.cycles-pp.pv_native_safe_halt 1.59 ± 13% -1.5 0.05 ±137% perf-profile.self.cycles-pp.machine__process_mmap2_event 1.52 ± 8% -1.3 0.18 ± 46% perf-profile.self.cycles-pp.update_sg_lb_stats 1.24 ± 9% -1.1 0.11 ± 92% perf-profile.self.cycles-pp.copy_folio_from_iter_atomic 1.08 ± 20% -1.0 0.07 ±103% perf-profile.self.cycles-pp.idle_cpu 0.90 ± 27% -0.9 0.04 ±121% perf-profile.self.cycles-pp.update_rq_clock_task 0.83 ± 13% -0.7 0.18 ± 83% perf-profile.self.cycles-pp.clear_page_erms 0.70 ± 25% -0.7 0.04 ±125% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.68 ± 19% -0.5 0.18 ± 31% perf-profile.self.cycles-pp.ktime_get 0.00 +0.1 0.09 ± 64% perf-profile.self.cycles-pp.mas_data_end 0.00 +0.1 0.09 ± 52% perf-profile.self.cycles-pp.step_into 0.00 +0.1 0.12 ± 73% perf-profile.self.cycles-pp.filldir64 0.00 +0.1 0.12 ± 63% perf-profile.self.cycles-pp.__mmap_region 0.00 +0.2 0.19 ± 34% perf-profile.self.cycles-pp.vma_migratable 0.08 ± 64% +0.2 0.31 ± 67% perf-profile.self.cycles-pp.may_open 0.08 ± 59% +0.2 0.31 ± 80% perf-profile.self.cycles-pp.rb_next 0.19 ± 36% +0.3 0.51 ± 35% perf-profile.self.cycles-pp.mutex_lock 0.00 +0.3 0.34 ± 61% perf-profile.self.cycles-pp.kernfs_fop_readdir 0.06 ± 72% +0.4 0.42 ± 69% perf-profile.self.cycles-pp.do_dentry_open 0.00 +0.4 0.43 ± 69% perf-profile.self.cycles-pp.mas_rev_awalk 0.26 ± 13% +0.4 0.70 ±106% perf-profile.self.cycles-pp.__d_lookup 1.52 ± 13% +0.8 2.31 ± 32% perf-profile.self.cycles-pp._raw_spin_lock 0.00 +0.9 0.94 ± 26% perf-profile.self.cycles-pp.generic_permission 0.00 +1.1 1.13 ± 31% perf-profile.self.cycles-pp.set_nlink 0.04 ±101% +1.3 1.38 ± 22% perf-profile.self.cycles-pp.lockref_get_not_dead 0.08 ± 46% +3.5 3.56 ± 23% perf-profile.self.cycles-pp.lockref_put_return 0.15 ± 34% +3.7 3.85 ± 21% perf-profile.self.cycles-pp.inode_permission 0.58 ± 20% +14.8 15.37 ±102% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.03 ±142% +17.1 17.15 ± 35% perf-profile.self.cycles-pp.up_read 0.10 ± 33% +30.4 30.52 ± 34% perf-profile.self.cycles-pp.down_read 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