typedef struct _THREAD_PERFORMANCE_DATA { unsigned short Size; unsigned short Version; PROCESSOR_NUMBER ProcessorNumber; unsigned long ContextSwitches; unsigned long HwCountersCount; volatile unsigned __int64 UpdateCount; unsigned __int64 WaitReasonBitMap; unsigned __int64 HardwareCounters; COUNTER_READING CycleTime; COUNTER_READING HwCounters[16]; } THREAD_PERFORMANCE_DATA, *PTHREAD_PERFORMANCE_DATA;