preemption latency trace v1.0.2 ------------------------------- latency: 254 us, entries: 315 (315) ----------------- | task: kswapd0/32, uid:0 nice:0 policy:0 rt_prio:0 ----------------- => started at: refill_inactive_zone+0x4ac/0x580 => ended at: refill_inactive_zone+0x4c4/0x580 =======> 00000001 0.000ms (+0.000ms): refill_inactive_zone (shrink_zone) 00000001 0.000ms (+0.000ms): page_referenced (refill_inactive_zone) 00000002 0.000ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.000ms (+0.000ms): prio_tree_first (vma_prio_tree_next) 00000002 0.001ms (+0.000ms): prio_tree_left (prio_tree_first) 00000002 0.002ms (+0.001ms): page_referenced_one (page_referenced) 00000003 0.004ms (+0.001ms): page_address (page_referenced_one) 00000002 0.005ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.005ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.007ms (+0.001ms): page_address (page_referenced_one) 00000002 0.008ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.008ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.010ms (+0.001ms): page_address (page_referenced_one) 00000002 0.011ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.012ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.013ms (+0.001ms): page_address (page_referenced_one) 00000002 0.014ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.015ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.016ms (+0.001ms): page_address (page_referenced_one) 00000002 0.017ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.018ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.019ms (+0.001ms): page_address (page_referenced_one) 00000002 0.020ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.021ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.022ms (+0.001ms): page_address (page_referenced_one) 00000002 0.023ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.024ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.025ms (+0.001ms): page_address (page_referenced_one) 00000002 0.026ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.026ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.028ms (+0.001ms): page_address (page_referenced_one) 00000002 0.029ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.029ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.031ms (+0.001ms): page_address (page_referenced_one) 00000002 0.032ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.032ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.034ms (+0.001ms): page_address (page_referenced_one) 00000002 0.034ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.035ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.036ms (+0.001ms): page_address (page_referenced_one) 00000002 0.037ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.038ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.039ms (+0.001ms): page_address (page_referenced_one) 00000002 0.040ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.041ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.042ms (+0.001ms): page_address (page_referenced_one) 00000002 0.043ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.043ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.045ms (+0.001ms): page_address (page_referenced_one) 00000002 0.046ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.046ms (+0.000ms): page_referenced_one (page_referenced) 00010002 0.049ms (+0.002ms): do_IRQ (page_referenced_one) 00010003 0.049ms (+0.000ms): mask_and_ack_8259A (do_IRQ) 00010003 0.053ms (+0.003ms): generic_redirect_hardirq (do_IRQ) 00010002 0.054ms (+0.000ms): generic_handle_IRQ_event (do_IRQ) 00010002 0.054ms (+0.000ms): timer_interrupt (generic_handle_IRQ_event) 00010003 0.055ms (+0.000ms): mark_offset_tsc (timer_interrupt) 00010003 0.065ms (+0.010ms): do_timer (timer_interrupt) 00010003 0.065ms (+0.000ms): update_process_times (do_timer) 00010003 0.065ms (+0.000ms): update_one_process (update_process_times) 00010003 0.066ms (+0.000ms): run_local_timers (update_process_times) 00010003 0.066ms (+0.000ms): raise_softirq (update_process_times) 00010003 0.067ms (+0.000ms): scheduler_tick (update_process_times) 00010003 0.067ms (+0.000ms): sched_clock (scheduler_tick) 00010004 0.069ms (+0.001ms): task_timeslice (scheduler_tick) 00010003 0.070ms (+0.000ms): update_wall_time (do_timer) 00010003 0.070ms (+0.000ms): update_wall_time_one_tick (update_wall_time) 00010003 0.071ms (+0.000ms): profile_hook (timer_interrupt) 00010004 0.071ms (+0.000ms): notifier_call_chain (profile_hook) 00010003 0.072ms (+0.000ms): generic_note_interrupt (do_IRQ) 00010003 0.073ms (+0.000ms): end_8259A_irq (do_IRQ) 00010003 0.073ms (+0.000ms): enable_8259A_irq (do_IRQ) 00000003 0.074ms (+0.001ms): do_softirq (do_IRQ) 00000003 0.075ms (+0.000ms): __do_softirq (do_softirq) 00000003 0.075ms (+0.000ms): wake_up_process (do_softirq) 00000003 0.076ms (+0.000ms): try_to_wake_up (wake_up_process) 00000003 0.076ms (+0.000ms): task_rq_lock (try_to_wake_up) 00000004 0.076ms (+0.000ms): activate_task (try_to_wake_up) 00000004 0.077ms (+0.000ms): sched_clock (activate_task) 00000004 0.077ms (+0.000ms): recalc_task_prio (activate_task) 00000004 0.078ms (+0.000ms): effective_prio (recalc_task_prio) 00000004 0.078ms (+0.000ms): enqueue_task (activate_task) 00000003 0.079ms (+0.000ms): preempt_schedule (try_to_wake_up) 00000003 0.080ms (+0.001ms): page_address (page_referenced_one) 00000002 0.081ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.081ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.082ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.083ms (+0.001ms): page_address (page_referenced_one) 00000002 0.084ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.084ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.085ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.086ms (+0.001ms): page_address (page_referenced_one) 00000002 0.087ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.087ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.087ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.089ms (+0.001ms): page_address (page_referenced_one) 00000002 0.089ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.090ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.090ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.092ms (+0.001ms): page_address (page_referenced_one) 00000002 0.092ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.093ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.094ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.095ms (+0.001ms): page_address (page_referenced_one) 00000002 0.096ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.096ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.097ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.099ms (+0.001ms): page_address (page_referenced_one) 00000002 0.099ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.100ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.100ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.102ms (+0.001ms): page_address (page_referenced_one) 00000002 0.102ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.103ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.103ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.105ms (+0.001ms): page_address (page_referenced_one) 00000002 0.106ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.106ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.107ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.108ms (+0.001ms): page_address (page_referenced_one) 00000002 0.109ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.109ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.110ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.111ms (+0.001ms): page_address (page_referenced_one) 00000002 0.112ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.113ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.113ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.115ms (+0.001ms): page_address (page_referenced_one) 00000002 0.115ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.116ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.116ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.118ms (+0.001ms): page_address (page_referenced_one) 00000002 0.118ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.119ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.120ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.121ms (+0.001ms): page_address (page_referenced_one) 00000002 0.122ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.122ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.123ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.124ms (+0.001ms): page_address (page_referenced_one) 00000002 0.125ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.125ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.126ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.127ms (+0.000ms): page_address (page_referenced_one) 00000002 0.128ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.128ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.129ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.130ms (+0.001ms): page_address (page_referenced_one) 00000002 0.131ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.131ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.132ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.134ms (+0.001ms): page_address (page_referenced_one) 00000002 0.134ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.135ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.135ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.137ms (+0.001ms): page_address (page_referenced_one) 00000002 0.138ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.138ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.139ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.140ms (+0.000ms): page_address (page_referenced_one) 00000002 0.140ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.141ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.141ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.143ms (+0.001ms): page_address (page_referenced_one) 00000002 0.143ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.144ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.144ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.145ms (+0.000ms): page_address (page_referenced_one) 00000002 0.146ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.146ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.147ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.148ms (+0.001ms): page_address (page_referenced_one) 00000002 0.149ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.149ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.150ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.151ms (+0.001ms): page_address (page_referenced_one) 00000002 0.152ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.152ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.153ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.154ms (+0.000ms): page_address (page_referenced_one) 00000002 0.155ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.155ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.156ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.157ms (+0.000ms): page_address (page_referenced_one) 00000002 0.157ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.158ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.159ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.159ms (+0.000ms): page_address (page_referenced_one) 00000002 0.160ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.160ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.161ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.162ms (+0.000ms): page_address (page_referenced_one) 00000002 0.163ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.163ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.164ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.165ms (+0.000ms): page_address (page_referenced_one) 00000002 0.165ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.165ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.166ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.167ms (+0.000ms): page_address (page_referenced_one) 00000002 0.168ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.168ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.169ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.170ms (+0.001ms): page_address (page_referenced_one) 00000002 0.171ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.172ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.172ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.174ms (+0.001ms): page_address (page_referenced_one) 00000002 0.174ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.175ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.176ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.176ms (+0.000ms): page_address (page_referenced_one) 00000002 0.177ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.177ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.178ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.179ms (+0.000ms): page_address (page_referenced_one) 00000002 0.180ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.180ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.181ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.182ms (+0.000ms): page_address (page_referenced_one) 00000002 0.182ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.183ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.183ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.184ms (+0.001ms): page_address (page_referenced_one) 00000002 0.185ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.185ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.186ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.187ms (+0.000ms): page_address (page_referenced_one) 00000002 0.188ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.188ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.189ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.190ms (+0.001ms): page_address (page_referenced_one) 00000002 0.191ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.191ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.192ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.193ms (+0.001ms): page_address (page_referenced_one) 00000002 0.194ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.194ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.195ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.197ms (+0.001ms): page_address (page_referenced_one) 00000002 0.197ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.198ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.198ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.200ms (+0.001ms): page_address (page_referenced_one) 00000002 0.201ms (+0.001ms): preempt_schedule (page_referenced_one) 00000002 0.201ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.202ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.203ms (+0.001ms): page_address (page_referenced_one) 00000002 0.204ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.204ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.205ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.206ms (+0.001ms): page_address (page_referenced_one) 00000002 0.207ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.207ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.208ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.210ms (+0.001ms): page_address (page_referenced_one) 00000002 0.210ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.211ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.211ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.213ms (+0.001ms): page_address (page_referenced_one) 00000002 0.213ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.214ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.214ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.216ms (+0.001ms): page_address (page_referenced_one) 00000002 0.216ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.217ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.217ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.219ms (+0.001ms): page_address (page_referenced_one) 00000002 0.220ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.220ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.221ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.222ms (+0.000ms): page_address (page_referenced_one) 00000002 0.222ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.223ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.223ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.224ms (+0.000ms): page_address (page_referenced_one) 00000002 0.225ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.225ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.226ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.227ms (+0.001ms): page_address (page_referenced_one) 00000002 0.227ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.228ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.228ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.230ms (+0.001ms): page_address (page_referenced_one) 00000002 0.231ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.231ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.232ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.233ms (+0.000ms): page_address (page_referenced_one) 00000002 0.233ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.234ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.234ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.235ms (+0.001ms): page_address (page_referenced_one) 00000002 0.236ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.237ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.237ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.239ms (+0.001ms): page_address (page_referenced_one) 00000002 0.240ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.240ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.241ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.243ms (+0.001ms): page_address (page_referenced_one) 00000002 0.243ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.244ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.245ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.246ms (+0.001ms): page_address (page_referenced_one) 00000002 0.247ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.247ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.248ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.249ms (+0.000ms): page_address (page_referenced_one) 00000002 0.250ms (+0.000ms): preempt_schedule (page_referenced_one) 00000002 0.250ms (+0.000ms): vma_prio_tree_next (page_referenced) 00000002 0.251ms (+0.000ms): page_referenced_one (page_referenced) 00000003 0.252ms (+0.001ms): page_address (page_referenced_one) 00000002 0.253ms (+0.000ms): preempt_schedule (page_referenced_one) 00000001 0.254ms (+0.000ms): preempt_schedule (page_referenced) 00000001 0.254ms (+0.000ms): sub_preempt_count (refill_inactive_zone)