4639 static int __perf_event_read_cpu(struct perf_event *event, int event_cpu)  in __perf_event_read_cpu()  argument
4644 	if ((unsigned)event_cpu >= nr_cpu_ids)  in __perf_event_read_cpu()
4645 		return event_cpu;  in __perf_event_read_cpu()
4648 		const struct cpumask *cpumask = perf_scope_cpu_topology_cpumask(event->pmu->scope, event_cpu);  in __perf_event_read_cpu()
4655 		event_pkg = topology_physical_package_id(event_cpu);  in __perf_event_read_cpu()
4662 	return event_cpu;  in __perf_event_read_cpu()
4748 	int event_cpu;  in perf_event_read_local()  local
4778 	event_cpu = __perf_event_read_cpu(event, event->cpu);  in perf_event_read_local()
4782 	    event_cpu != smp_processor_id()) {  in perf_event_read_local()
4820 	int event_cpu, ret = 0;  in perf_event_read()  local
4838 		event_cpu = READ_ONCE(event->oncpu);  in perf_event_read()
4839 		if ((unsigned)event_cpu >= nr_cpu_ids)  in perf_event_read()
4849 		event_cpu = __perf_event_read_cpu(event, event_cpu);  in perf_event_read()
4861 		(void)smp_call_function_single(event_cpu, __perf_event_read, &data, 1);  in perf_event_read()