77ebff6909
These statistics can be maintained with effectively zero cost to realistic applications. They do not track the precise amount of memory used, but are an over-approximation.
35 lines
803 B
C
35 lines
803 B
C
/**
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* Malloc extensions
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*
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* This file contains additional non-standard API surface for snmalloc.
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* The API is subject to changes, but will be clearly noted in release
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* notes.
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*/
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/**
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* Structure for returning memory used by snmalloc.
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*
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* The statistics are very coarse grained as they only track
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* usage at the superslab/chunk level. Meta-data and object
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* data is not tracked independantly.
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*/
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struct malloc_info_v1
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{
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/**
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* Current memory usage of the allocator. Extremely coarse
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* grained for efficient calculation.
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*/
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size_t current_memory_usage;
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/**
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* High-water mark of current_memory_usage.
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*/
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size_t peak_memory_usage;
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};
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/**
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* Populates a malloc_info_v1 structure for the latest values
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* from snmalloc.
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*/
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void get_malloc_info_v1(malloc_info_v1* stats);
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