1718 	struct timerlat_variables *tlat;  in timerlat_irq()  local
1728 	tlat = container_of(timer, struct timerlat_variables, timer);  in timerlat_irq()
1730 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_irq()
1735 	tlat->tracing_thread = true;  in timerlat_irq()
1774 	diff = now - tlat->abs_period;  in timerlat_irq()
1776 	tlat->count++;  in timerlat_irq()
1777 	s.seqnum = tlat->count;  in timerlat_irq()
1801 			wake_up_process(tlat->kthread);  in timerlat_irq()
1807 	wake_up_process(tlat->kthread);  in timerlat_irq()
1818 static int wait_next_period(struct timerlat_variables *tlat)  in wait_next_period()  argument
1823 	now = hrtimer_cb_get_time(&tlat->timer);  in wait_next_period()
1824 	next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1829 	tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1835 		next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1836 		tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1841 	hrtimer_start(&tlat->timer, next_abs_period, HRTIMER_MODE_ABS_PINNED_HARD);  in wait_next_period()
1852 	struct timerlat_variables *tlat = this_cpu_tmr_var();  in timerlat_main()  local
1876 	tlat->count = 0;  in timerlat_main()
1877 	tlat->tracing_thread = false;  in timerlat_main()
1879 	hrtimer_setup(&tlat->timer, timerlat_irq, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_main()
1880 	tlat->kthread = current;  in timerlat_main()
1885 	tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_main()
1887 	wait_next_period(tlat);  in timerlat_main()
1893 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_main()
1894 		diff = now - tlat->abs_period;  in timerlat_main()
1896 		s.seqnum = tlat->count;  in timerlat_main()
1906 		tlat->tracing_thread = false;  in timerlat_main()
1914 		wait_next_period(tlat);  in timerlat_main()
1917 	hrtimer_cancel(&tlat->timer);  in timerlat_main()
2374 	struct timerlat_variables *tlat;  in timerlat_fd_open()  local
2429 	tlat = this_cpu_tmr_var();  in timerlat_fd_open()
2430 	tlat->count = 0;  in timerlat_fd_open()
2432 	hrtimer_setup(&tlat->timer, timerlat_irq, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_fd_open()
2453 	struct timerlat_variables *tlat;  in timerlat_fd_read()  local
2460 	tlat = this_cpu_tmr_var();  in timerlat_fd_read()
2468 		if (tlat->uthread_migrate) {  in timerlat_fd_read()
2491 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2492 		diff = now - tlat->abs_period;  in timerlat_fd_read()
2500 		s.seqnum = tlat->count;  in timerlat_fd_read()
2508 		tlat->tracing_thread = false;  in timerlat_fd_read()
2513 		tlat->tracing_thread = false;  in timerlat_fd_read()
2514 		tlat->kthread = current;  in timerlat_fd_read()
2517 		tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_fd_read()
2523 	wait_next_period(tlat);  in timerlat_fd_read()
2526 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2527 	diff = now - tlat->abs_period;  in timerlat_fd_read()
2535 	s.seqnum = tlat->count;  in timerlat_fd_read()