cOMS/memory/DebugMemory.h
2024-09-21 05:30:16 +02:00

92 lines
2.0 KiB
C

/**
* Jingga
*
* @copyright Jingga
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
#ifndef TOS_MEMORY_DEBUG_H
#define TOS_MEMORY_DEBUG_H
#include <string.h>
#include <malloc.h>
#include "../stdlib/Types.h"
// required for __rdtsc
#if _WIN32
#include <intrin.h>
#else
#include <x86intrin.h>
#endif
struct DebugMemoryRange {
uint64 start;
uint64 end;
uint64 time;
};
struct DebugMemory {
uint64 usage;
uint64 debug_range_size;
uint64 debug_range_idx;
DebugMemoryRange* debug_ranges;
};
#if DEBUG
#define DEBUG_MEMORY(mem, start, end) debug_memory_add_range((mem), (start), (end))
#define DEBUG_MEMORY_RESET(mem) debug_memory_reset((mem))
#define DEBUG_MEMORY_FREE(mem, start, end) debug_memory_add_range((mem), (start), (end))
#else
#define DEBUG_MEMORY(mem, start, end) ((void) 0)
#define DEBUG_MEMORY_RESET(mem) ((void) 0)
#define DEBUG_MEMORY_FREE(mem, start, end) ((void) 0)
#endif
void debug_memory_resize(DebugMemory* mem)
{
DebugMemoryRange* old = mem->debug_ranges;
mem->debug_range_size += 100;
mem->debug_ranges = (DebugMemoryRange *) calloc(mem->debug_range_size, sizeof(DebugMemoryRange));
if (old) {
memcpy(mem->debug_ranges, old, mem->debug_range_size - 100);
free(old);
}
}
void debug_memory_add_range(DebugMemory* mem, uint64 start, uint64 end)
{
if (mem->debug_range_idx >= mem->debug_range_size) {
debug_memory_resize(mem);
}
mem->debug_ranges[mem->debug_range_idx].start = start;
mem->debug_ranges[mem->debug_range_idx].end = end;
// @question consider to use other time_ms() since __rdtsc is variable (boost, power saving)
mem->debug_ranges[mem->debug_range_idx].time = __rdtsc();
++mem->debug_range_idx;
mem->usage += end - start;
}
inline
void debug_memory_reset(DebugMemory* mem)
{
mem->size = 0;
mem->usage = 0;
mem->debug_range_idx = 0;
}
inline
void debug_memory_free(DebugMemory* mem)
{
free(mem->debug_ranges);
}
#endif