allocator
Microsoft Specific
The allocator
declaration specifier can be applied to custom memory-allocation functions to make the allocations visible via Event Tracing for Windows (ETW).
Syntax
__declspec(allocator)
Remarks
The native memory profiler in Visual Studio works by collecting allocation ETW event data emitted by during runtime. Allocators in the CRT and Windows SDK have been annotated at the source level so that their allocation data can be captured. If you are writing your own allocators, then any functions that return a pointer to newly allocated heap memory can be decorated with __declspec(allocator)
, as seen in this example for myMalloc:
__declspec(allocator) void* myMalloc(size_t size)
For more information, see Measure memory usage in Visual Studio and Custom native ETW heap events.
END Microsoft Specific
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