206 	u64 T0, T1, delta, min_delta = 1000000000ULL;  in calibrate_run_measurement_overhead()  local
213 		delta = T1-T0;  in calibrate_run_measurement_overhead()
214 		min_delta = min(min_delta, delta);  in calibrate_run_measurement_overhead()
223 	u64 T0, T1, delta, min_delta = 1000000000ULL;  in calibrate_sleep_measurement_overhead()  local
230 		delta = T1-T0;  in calibrate_sleep_measurement_overhead()
231 		min_delta = min(min_delta, delta);  in calibrate_sleep_measurement_overhead()
630 	u64 T0, T1, delta, avg_delta, fluct;  in run_one_test()  local
636 	delta = T1 - T0;  in run_one_test()
637 	sched->sum_runtime += delta;  in run_one_test()
641 	if (delta < avg_delta)  in run_one_test()
642 		fluct = avg_delta - delta;  in run_one_test()
644 		fluct = delta - avg_delta;  in run_one_test()
647 		sched->run_avg = delta;  in run_one_test()
648 	sched->run_avg = (sched->run_avg * (sched->replay_repeat - 1) + delta) / sched->replay_repeat;  in run_one_test()
650 	printf("#%-3ld: %0.3f, ", sched->nr_runs, (double)delta / 1000000.0);  in run_one_test()
726 	s64 delta;  in replay_switch_event()  local
736 		delta = timestamp - timestamp0;  in replay_switch_event()
738 		delta = 0;  in replay_switch_event()
740 	if (delta < 0) {  in replay_switch_event()
741 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in replay_switch_event()
746 		 prev_comm, prev_pid, next_comm, next_pid, delta);  in replay_switch_event()
753 	add_sched_event_run(sched, prev, timestamp, delta);  in replay_switch_event()
905 add_runtime_event(struct work_atoms *atoms, u64 delta,  in add_runtime_event()  argument
914 	atom->runtime += delta;  in add_runtime_event()
915 	atoms->total_runtime += delta;  in add_runtime_event()
922 	u64 delta;  in add_sched_in_event()  local
940 	delta = atom->sched_in_time - atom->wake_up_time;  in add_sched_in_event()
941 	atoms->total_lat += delta;  in add_sched_in_event()
942 	if (delta > atoms->max_lat) {  in add_sched_in_event()
943 		atoms->max_lat = delta;  in add_sched_in_event()
961 	s64 delta;  in latency_switch_event()  local
968 		delta = timestamp - timestamp0;  in latency_switch_event()
970 		delta = 0;  in latency_switch_event()
972 	if (delta < 0) {  in latency_switch_event()
973 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in latency_switch_event()
1312 	s64 delta;  in map_switch_event()  local
1323 		delta = timestamp - timestamp0;  in map_switch_event()
1325 		delta = 0;  in map_switch_event()
1327 	if (delta < 0) {  in map_switch_event()
1328 		pr_err("hm, delta: %" PRIu64 " < 0 ?\n", delta);  in map_switch_event()