1743 	struct timerlat_variables *tlat;  in timerlat_irq()  local
1753 	tlat = container_of(timer, struct timerlat_variables, timer);  in timerlat_irq()
1755 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_irq()
1760 	tlat->tracing_thread = true;  in timerlat_irq()
1799 	diff = now - tlat->abs_period;  in timerlat_irq()
1801 	tlat->count++;  in timerlat_irq()
1802 	s.seqnum = tlat->count;  in timerlat_irq()
1826 			wake_up_process(tlat->kthread);  in timerlat_irq()
1832 	wake_up_process(tlat->kthread);  in timerlat_irq()
1843 static int wait_next_period(struct timerlat_variables *tlat)  in wait_next_period()  argument
1848 	now = hrtimer_cb_get_time(&tlat->timer);  in wait_next_period()
1849 	next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1854 	tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1860 		next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1861 		tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1866 	hrtimer_start(&tlat->timer, next_abs_period, HRTIMER_MODE_ABS_PINNED_HARD);  in wait_next_period()
1877 	struct timerlat_variables *tlat = this_cpu_tmr_var();  in timerlat_main()  local
1901 	tlat->count = 0;  in timerlat_main()
1902 	tlat->tracing_thread = false;  in timerlat_main()
1904 	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_main()
1905 	tlat->timer.function = timerlat_irq;  in timerlat_main()
1906 	tlat->kthread = current;  in timerlat_main()
1911 	tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_main()
1913 	wait_next_period(tlat);  in timerlat_main()
1919 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_main()
1920 		diff = now - tlat->abs_period;  in timerlat_main()
1922 		s.seqnum = tlat->count;  in timerlat_main()
1932 		tlat->tracing_thread = false;  in timerlat_main()
1940 		wait_next_period(tlat);  in timerlat_main()
1943 	hrtimer_cancel(&tlat->timer);  in timerlat_main()
2401 	struct timerlat_variables *tlat;  in timerlat_fd_open()  local
2456 	tlat = this_cpu_tmr_var();  in timerlat_fd_open()
2457 	tlat->count = 0;  in timerlat_fd_open()
2459 	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_fd_open()
2460 	tlat->timer.function = timerlat_irq;  in timerlat_fd_open()
2481 	struct timerlat_variables *tlat;  in timerlat_fd_read()  local
2488 	tlat = this_cpu_tmr_var();  in timerlat_fd_read()
2496 		if (tlat->uthread_migrate) {  in timerlat_fd_read()
2519 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2520 		diff = now - tlat->abs_period;  in timerlat_fd_read()
2528 		s.seqnum = tlat->count;  in timerlat_fd_read()
2536 		tlat->tracing_thread = false;  in timerlat_fd_read()
2541 		tlat->tracing_thread = false;  in timerlat_fd_read()
2542 		tlat->kthread = current;  in timerlat_fd_read()
2545 		tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_fd_read()
2551 	wait_next_period(tlat);  in timerlat_fd_read()
2554 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2555 	diff = now - tlat->abs_period;  in timerlat_fd_read()
2563 	s.seqnum = tlat->count;  in timerlat_fd_read()