@interface DTGPUCounterProfile_GPUStats : DTGPUCounterProfile { unsigned long long _currentIORegSamplingInterval; struct EMA<unsigned long long> { unsigned long long currentValue; double coefficient; } _deviceUtilization; } + (id)create:(id)a0; - (BOOL)start:(unsigned long long)a0; - (id)initWithProfile:(unsigned long long)a0 device:(id)a1; - (void)sampleCounters:(unsigned long long)a0 callback:(id /* block */)a1; @end