typedef struct _PO_HIBER_PERF
{
     UINT64 IoTicks;
     UINT64 InitTicks;
     UINT64 CopyTicks;
     UINT64 StartCount;
     ULONG ElapsedTime;
     ULONG IoTime;
     ULONG CopyTime;
     ULONG InitTime;
     ULONG PagesWritten;
     ULONG PagesProcessed;
     ULONG BytesCopied;
     ULONG DumpCount;
     ULONG FileRuns;
     UINT64 ResumeAppStartTime;
     UINT64 ResumeAppEndTime;
     UINT64 HiberFileResumeTime;
} PO_HIBER_PERF, *PPO_HIBER_PERF;

Windows Vista Kernel Structures