1730 	struct timerlat_variables *tlat;  in timerlat_irq()  local
1740 	tlat = container_of(timer, struct timerlat_variables, timer);  in timerlat_irq()
1742 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_irq()
1747 	tlat->tracing_thread = true;  in timerlat_irq()
1786 	diff = now - tlat->abs_period;  in timerlat_irq()
1788 	tlat->count++;  in timerlat_irq()
1789 	s.seqnum = tlat->count;  in timerlat_irq()
1813 			wake_up_process(tlat->kthread);  in timerlat_irq()
1819 	wake_up_process(tlat->kthread);  in timerlat_irq()
1830 static int wait_next_period(struct timerlat_variables *tlat)  in wait_next_period()  argument
1835 	now = hrtimer_cb_get_time(&tlat->timer);  in wait_next_period()
1836 	next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1841 	tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1847 		next_abs_period = ns_to_ktime(tlat->abs_period + rel_period);  in wait_next_period()
1848 		tlat->abs_period = (u64) ktime_to_ns(next_abs_period);  in wait_next_period()
1853 	hrtimer_start(&tlat->timer, next_abs_period, HRTIMER_MODE_ABS_PINNED_HARD);  in wait_next_period()
1864 	struct timerlat_variables *tlat = this_cpu_tmr_var();  in timerlat_main()  local
1888 	tlat->count = 0;  in timerlat_main()
1889 	tlat->tracing_thread = false;  in timerlat_main()
1891 	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_main()
1892 	tlat->timer.function = timerlat_irq;  in timerlat_main()
1893 	tlat->kthread = current;  in timerlat_main()
1898 	tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_main()
1900 	wait_next_period(tlat);  in timerlat_main()
1906 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_main()
1907 		diff = now - tlat->abs_period;  in timerlat_main()
1909 		s.seqnum = tlat->count;  in timerlat_main()
1919 		tlat->tracing_thread = false;  in timerlat_main()
1927 		wait_next_period(tlat);  in timerlat_main()
1930 	hrtimer_cancel(&tlat->timer);  in timerlat_main()
2389 	struct timerlat_variables *tlat;  in timerlat_fd_open()  local
2444 	tlat = this_cpu_tmr_var();  in timerlat_fd_open()
2445 	tlat->count = 0;  in timerlat_fd_open()
2466 	struct timerlat_variables *tlat;  in timerlat_fd_read()  local
2473 	tlat = this_cpu_tmr_var();  in timerlat_fd_read()
2481 		if (tlat->uthread_migrate) {  in timerlat_fd_read()
2504 		now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2505 		diff = now - tlat->abs_period;  in timerlat_fd_read()
2513 		s.seqnum = tlat->count;  in timerlat_fd_read()
2521 		tlat->tracing_thread = false;  in timerlat_fd_read()
2526 		tlat->tracing_thread = false;  in timerlat_fd_read()
2527 		tlat->kthread = current;  in timerlat_fd_read()
2529 		hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);  in timerlat_fd_read()
2530 		tlat->timer.function = timerlat_irq;  in timerlat_fd_read()
2533 		tlat->abs_period = hrtimer_cb_get_time(&tlat->timer);  in timerlat_fd_read()
2539 	wait_next_period(tlat);  in timerlat_fd_read()
2542 	now = ktime_to_ns(hrtimer_cb_get_time(&tlat->timer));  in timerlat_fd_read()
2543 	diff = now - tlat->abs_period;  in timerlat_fd_read()
2551 	s.seqnum = tlat->count;  in timerlat_fd_read()