HEAP_PERFORMANCE_COUNTERS_INFORMATION - NtDoc

#ifndef _NTRTL_H

typedef struct _HEAP_PERFORMANCE_COUNTERS_INFORMATION
{
    ULONG Size;
    ULONG Version;
    ULONG HeapIndex;
    ULONG LastHeapIndex;
    PVOID BaseAddress;
    SIZE_T ReserveSize;
    SIZE_T CommitSize;
    ULONG SegmentCount;
    SIZE_T LargeUCRMemory;
    ULONG UCRLength;
    SIZE_T AllocatedSpace;
    SIZE_T FreeSpace;
    ULONG FreeListLength;
    ULONG Contention;
    ULONG VirtualBlocks;
    ULONG CommitRate;
    ULONG DecommitRate;
    SEGMENT_HEAP_PERFORMANCE_COUNTER_INFORMATION SegmentHeapPerfInformation; // since WIN8
} HEAP_PERFORMANCE_COUNTERS_INFORMATION, *PHEAP_PERFORMANCE_COUNTERS_INFORMATION;

#endif
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