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528b6bd32f
* mem: 优化 C 内存统计, 缓解多线程竞争导致的 skynet_malloc 性能下降 * rm unused SPMC_STEP_LG macro --------- Co-authored-by: efve.zff <efve.zff@alibaba-inc.com>
43 lines
999 B
C
43 lines
999 B
C
#ifndef _MEM_INFO_H_
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#define _MEM_INFO_H_
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#include <stdalign.h>
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#include <stddef.h>
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#include "atomic.h"
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#define CACHE_LINE_SIZE 64
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typedef struct {
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size_t alloc;
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size_t alloc_count;
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size_t free;
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size_t free_count;
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} MemInfo;
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typedef struct {
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// alloc 与 free 可能不在一个线程
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// 为了避免竞争，这里也拆成两个 CacheLine 大小
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alignas(CACHE_LINE_SIZE)
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ATOM_SIZET alloc;
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ATOM_SIZET alloc_count;
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alignas(CACHE_LINE_SIZE)
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ATOM_SIZET free;
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ATOM_SIZET free_count;
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} AtomicMemInfo;
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void meminfo_init(MemInfo *info);
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void atomic_meminfo_init(AtomicMemInfo *info);
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void meminfo_alloc(MemInfo *info, size_t size);
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void atomic_meminfo_alloc(AtomicMemInfo *info, size_t size);
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void meminfo_free(MemInfo *info, size_t size);
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void atomic_meminfo_free(AtomicMemInfo *info, size_t size);
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void meminfo_merge(MemInfo *dest, const MemInfo *src);
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void atomic_meminfo_merge(MemInfo *dest, const AtomicMemInfo *src);
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#endif // _MEM_INFO_H_
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