208 	u64 T0, T1, delta, min_delta = 1000000000ULL;  in calibrate_run_measurement_overhead()  local
215 		delta = T1-T0;  in calibrate_run_measurement_overhead()
216 		min_delta = min(min_delta, delta);  in calibrate_run_measurement_overhead()
225 	u64 T0, T1, delta, min_delta = 1000000000ULL;  in calibrate_sleep_measurement_overhead()  local
232 		delta = T1-T0;  in calibrate_sleep_measurement_overhead()
233 		min_delta = min(min_delta, delta);  in calibrate_sleep_measurement_overhead()
632 	u64 T0, T1, delta, avg_delta, fluct;  in run_one_test()  local
638 	delta = T1 - T0;  in run_one_test()
639 	sched->sum_runtime += delta;  in run_one_test()
643 	if (delta < avg_delta)  in run_one_test()
644 		fluct = avg_delta - delta;  in run_one_test()
646 		fluct = delta - avg_delta;  in run_one_test()
649 		sched->run_avg = delta;  in run_one_test()
650 	sched->run_avg = (sched->run_avg * (sched->replay_repeat - 1) + delta) / sched->replay_repeat;  in run_one_test()
652 	printf("#%-3ld: %0.3f, ", sched->nr_runs, (double)delta / 1000000.0);  in run_one_test()
728 	s64 delta;  in replay_switch_event()  local
738 		delta = timestamp - timestamp0;  in replay_switch_event()
740 		delta = 0;  in replay_switch_event()
742 	if (delta < 0) {  in replay_switch_event()
743 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in replay_switch_event()
748 		 prev_comm, prev_pid, next_comm, next_pid, delta);  in replay_switch_event()
755 	add_sched_event_run(sched, prev, timestamp, delta);  in replay_switch_event()
910 add_runtime_event(struct work_atoms *atoms, u64 delta,  in add_runtime_event()  argument
919 	atom->runtime += delta;  in add_runtime_event()
920 	atoms->total_runtime += delta;  in add_runtime_event()
927 	u64 delta;  in add_sched_in_event()  local
945 	delta = atom->sched_in_time - atom->wake_up_time;  in add_sched_in_event()
946 	atoms->total_lat += delta;  in add_sched_in_event()
947 	if (delta > atoms->max_lat) {  in add_sched_in_event()
948 		atoms->max_lat = delta;  in add_sched_in_event()
966 	s64 delta;  in latency_switch_event()  local
973 		delta = timestamp - timestamp0;  in latency_switch_event()
975 		delta = 0;  in latency_switch_event()
977 	if (delta < 0) {  in latency_switch_event()
978 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in latency_switch_event()
1349 	s64 delta;  in map_switch_event()  local
1360 		delta = timestamp - timestamp0;  in map_switch_event()
1362 		delta = 0;  in map_switch_event()
1364 	if (delta < 0) {  in map_switch_event()
1365 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in map_switch_event()