struct PPM_IDLE_STATE

struct PPM_IDLE_STATE_ACCOUNTING

typedef struct 
{
     ULONG IdleTransitions;
     ULONG FailedTransitions;
     ULONG InvalidBucketIndex;
     UINT64 TotalTime;
     ULONG IdleTimeBuckets[6];
} PPM_IDLE_STATE_ACCOUNTING, *PPPM_IDLE_STATE_ACCOUNTING;

Windows Vista Kernel Structures