25 static int do_count_loop(struct event *event, uint64_t instructions,  in do_count_loop()  argument
45 	event->result.value = ebb_state.stats.pmc_count[4-1];  in do_count_loop()
47 	difference = event->result.value - expected;  in do_count_loop()
48 	percentage = (double)difference / event->result.value * 100;  in do_count_loop()
53 		printf("Actual   %llu\n", event->result.value);  in do_count_loop()
63 	if (difference / event->result.value)  in do_count_loop()
70 static uint64_t determine_overhead(struct event *event)  in determine_overhead()  argument
75 	do_count_loop(event, 0, 0, false);  in determine_overhead()
76 	overhead = event->result.value;  in determine_overhead()
79 		do_count_loop(event, 0, 0, false);  in determine_overhead()
80 		current = event->result.value;  in determine_overhead()
111 	struct event event;  in instruction_count()  local
116 	event_init_named(&event, 0x400FA, "PM_RUN_INST_CMPL");  in instruction_count()
117 	event_leader_ebb_init(&event);  in instruction_count()
118 	event.attr.exclude_kernel = 1;  in instruction_count()
119 	event.attr.exclude_hv = 1;  in instruction_count()
120 	event.attr.exclude_idle = 1;  in instruction_count()
122 	FAIL_IF(event_open(&event));  in instruction_count()
123 	FAIL_IF(ebb_event_enable(&event));  in instruction_count()
131 	overhead = determine_overhead(&event);  in instruction_count()
135 	FAIL_IF(do_count_loop(&event, 0x100000, overhead, true));  in instruction_count()
138 	FAIL_IF(do_count_loop(&event, 0xa00000, overhead, true));  in instruction_count()
141 	FAIL_IF(do_count_loop(&event, 0x6400000, overhead, true));  in instruction_count()
144 	FAIL_IF(do_count_loop(&event, 0x40000000, overhead, true));  in instruction_count()
147 	FAIL_IF(do_count_loop(&event, 0x400000000, overhead, true));  in instruction_count()
150 	FAIL_IF(do_count_loop(&event, 0x1000000000, overhead, true));  in instruction_count()
153 	FAIL_IF(do_count_loop(&event, 0x2000000000, overhead, true));  in instruction_count()
156 	event_close(&event);  in instruction_count()