1515 	struct timerlat_variables *tlat;  in timerlat_irq()  local
1525 	tlat = container_of(timer, struct timerlat_variables, timer);  in timerlat_irq()
1527 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_irq()
1532 	tlat->tracing_thread = true;  in timerlat_irq()
1571 	diff = now - tlat->abs_period;  in timerlat_irq()
1573 	tlat->count++;  in timerlat_irq()
1574 	s.seqnum = tlat->count;  in timerlat_irq()
1598 			wake_up_process(tlat->kthread);  in timerlat_irq()
1604 	wake_up_process(tlat->kthread);  in timerlat_irq()
1615 static int wait_next_period(struct timerlat_variables *tlat)  in wait_next_period()  argument
1620 	now = hrtimer_cb_get_time(&tlat->timer);  in wait_next_period()
1621 	next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1626 	tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1632 		next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1633 		tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1638 	hrtimer_start(&tlat->timer, next_abs_period, HRTIMER_MODE_ABS_PINNED_HARD);  in wait_next_period()
1649 	struct timerlat_variables *tlat = this_cpu_tmr_var();  in timerlat_main()  local
1660 	tlat->count = 0;  in timerlat_main()
1661 	tlat->tracing_thread = false;  in timerlat_main()
1663 	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_main()
1664 	tlat->timer.function = timerlat_irq;  in timerlat_main()
1665 	tlat->kthread = current;  in timerlat_main()
1670 	tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_main()
1672 	wait_next_period(tlat);  in timerlat_main()
1677 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_main()
1678 		diff = now - tlat->abs_period;  in timerlat_main()
1680 		s.seqnum = tlat->count;  in timerlat_main()
1690 		tlat->tracing_thread = false;  in timerlat_main()
1695 		wait_next_period(tlat);  in timerlat_main()
1698 	hrtimer_cancel(&tlat->timer);  in timerlat_main()