325 	u64 T0, T1, delta, min_delta = NSEC_PER_SEC;  in calibrate_run_measurement_overhead()  local
332 		delta = T1-T0;  in calibrate_run_measurement_overhead()
333 		min_delta = min(min_delta, delta);  in calibrate_run_measurement_overhead()
342 	u64 T0, T1, delta, min_delta = NSEC_PER_SEC;  in calibrate_sleep_measurement_overhead()  local
349 		delta = T1-T0;  in calibrate_sleep_measurement_overhead()
350 		min_delta = min(min_delta, delta);  in calibrate_sleep_measurement_overhead()
749 	u64 T0, T1, delta, avg_delta, fluct;  in run_one_test()  local
755 	delta = T1 - T0;  in run_one_test()
756 	sched->sum_runtime += delta;  in run_one_test()
760 	if (delta < avg_delta)  in run_one_test()
761 		fluct = avg_delta - delta;  in run_one_test()
763 		fluct = delta - avg_delta;  in run_one_test()
766 		sched->run_avg = delta;  in run_one_test()
767 	sched->run_avg = (sched->run_avg * (sched->replay_repeat - 1) + delta) / sched->replay_repeat;  in run_one_test()
769 	printf("#%-3ld: %0.3f, ", sched->nr_runs, (double)delta / NSEC_PER_MSEC);  in run_one_test()
845 	s64 delta;  in replay_switch_event()  local
855 		delta = timestamp - timestamp0;  in replay_switch_event()
857 		delta = 0;  in replay_switch_event()
859 	if (delta < 0) {  in replay_switch_event()
860 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in replay_switch_event()
865 		 prev_comm, prev_pid, next_comm, next_pid, delta);  in replay_switch_event()
872 	add_sched_event_run(sched, prev, timestamp, delta);  in replay_switch_event()
1061 add_runtime_event(struct work_atoms *atoms, u64 delta,  in add_runtime_event()  argument
1070 	atom->runtime += delta;  in add_runtime_event()
1071 	atoms->total_runtime += delta;  in add_runtime_event()
1078 	u64 delta;  in add_sched_in_event()  local
1096 	delta = atom->sched_in_time - atom->wake_up_time;  in add_sched_in_event()
1097 	atoms->total_lat += delta;  in add_sched_in_event()
1098 	if (delta > atoms->max_lat) {  in add_sched_in_event()
1099 		atoms->max_lat = delta;  in add_sched_in_event()
1118 	s64 delta;  in latency_switch_event()  local
1125 		delta = timestamp - timestamp0;  in latency_switch_event()
1127 		delta = 0;  in latency_switch_event()
1129 	if (delta < 0) {  in latency_switch_event()
1130 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in latency_switch_event()
1537 	s64 delta;  in map_switch_event()  local
1561 		delta = timestamp - timestamp0;  in map_switch_event()
1563 		delta = 0;  in map_switch_event()
1565 	if (delta < 0) {  in map_switch_event()
1566 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in map_switch_event()