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#pragma once
#include <util/generic/ptr.h>
#include <util/system/types.h>
namespace NAllocDbg {
////////////////////////////////////////////////////////////////////////////////
// Allocation statistics
enum ELFAllocCounter {
CT_USER_ALLOC, // accumulated size requested by user code
CT_MMAP, // accumulated mmapped size
CT_MMAP_CNT, // number of mmapped regions
CT_MUNMAP, // accumulated unmmapped size
CT_MUNMAP_CNT, // number of munmaped regions
CT_SYSTEM_ALLOC, // accumulated allocated size for internal lfalloc needs
CT_SYSTEM_FREE, // accumulated deallocated size for internal lfalloc needs
CT_SMALL_ALLOC, // accumulated allocated size for fixed-size blocks
CT_SMALL_FREE, // accumulated deallocated size for fixed-size blocks
CT_LARGE_ALLOC, // accumulated allocated size for large blocks
CT_LARGE_FREE, // accumulated deallocated size for large blocks
CT_SLOW_ALLOC_CNT, // number of slow (not LF) allocations
CT_DEGRAGMENT_CNT, // number of memory defragmentations
CT_MAX
};
i64 GetAllocationCounterFast(ELFAllocCounter counter);
i64 GetAllocationCounterFull(ELFAllocCounter counter);
////////////////////////////////////////////////////////////////////////////////
// Allocation statistics could be tracked on per-tag basis
int SetThreadAllocTag(int tag);
class TScopedTag {
private:
int PrevTag;
public:
explicit TScopedTag(int tag) {
PrevTag = SetThreadAllocTag(tag);
}
~TScopedTag() {
SetThreadAllocTag(PrevTag);
}
};
struct TPerTagAllocInfo {
ssize_t Count;
ssize_t Size;
};
TArrayPtr<TPerTagAllocInfo> GetPerTagAllocInfo(
bool flushPerThreadCounters,
int& maxTag,
int& numSizes);
////////////////////////////////////////////////////////////////////////////////
// Allocation sampling could be used to collect detailed information
bool SetProfileCurrentThread(bool newVal);
bool SetProfileAllThreads(bool newVal);
bool SetAllocationSamplingEnabled(bool newVal);
size_t SetAllocationSampleRate(size_t newVal);
size_t SetAllocationSampleMaxSize(size_t newVal);
#define DBG_ALLOC_INVALID_COOKIE (-1)
using TAllocationCallback = int(int tag, size_t size, int sizeIdx);
using TDeallocationCallback = void(int cookie, int tag, size_t size, int sizeIdx);
TAllocationCallback* SetAllocationCallback(TAllocationCallback* newVal);
TDeallocationCallback* SetDeallocationCallback(TDeallocationCallback* newVal);
}
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