4781 static int __perf_event_read_cpu(struct perf_event *event, int event_cpu)  in __perf_event_read_cpu()  argument
4786 	if ((unsigned)event_cpu >= nr_cpu_ids)  in __perf_event_read_cpu()
4787 		return event_cpu;  in __perf_event_read_cpu()
4790 		const struct cpumask *cpumask = perf_scope_cpu_topology_cpumask(event->pmu->scope, event_cpu);  in __perf_event_read_cpu()
4797 		event_pkg = topology_physical_package_id(event_cpu);  in __perf_event_read_cpu()
4804 	return event_cpu;  in __perf_event_read_cpu()
4887 	int event_cpu;  in perf_event_read_local()  local
4917 	event_cpu = __perf_event_read_cpu(event, event->cpu);  in perf_event_read_local()
4921 	    event_cpu != smp_processor_id()) {  in perf_event_read_local()
4959 	int event_cpu, ret = 0;  in perf_event_read()  local
4977 		event_cpu = READ_ONCE(event->oncpu);  in perf_event_read()
4978 		if ((unsigned)event_cpu >= nr_cpu_ids)  in perf_event_read()
4988 		event_cpu = __perf_event_read_cpu(event, event_cpu);  in perf_event_read()
5000 		(void)smp_call_function_single(event_cpu, __perf_event_read, &data, 1);  in perf_event_read()