// Get memory status
// Parameters:
// memory_load - A number between 0 and 100 that specifies the approximate percentage of physical memory
// that is in use (0 indicates no memory use and 100 indicates full memory use).
// available_physical - The amount of physical memory currently available, in bytes.
// available_page_file - The maximum amount of memory the current process can commit, in bytes.
void GCToOSInterface::GetMemoryStatus(uint32_t* memory_load, uint64_t* available_physical, uint64_t* available_page_file)
{
if (memory_load != nullptr || available_physical != nullptr)
{
uint64_t total = GetPhysicalMemoryLimit();
uint64_t available = 0;
uint32_t load = 0;
// Get the physical memory in use - from it, we can get the physical memory available.
// We do this only when we have the total physical memory available.
if (total > 0)
{
available = sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGE_SIZE);
uint64_t used = total - available;
load = (uint32_t)((used * 100) / total);
}
if (memory_load != nullptr)
*memory_load = load;
if (available_physical != nullptr)
*available_physical = available;
}
if (available_page_file != nullptr)
*available_page_file = 0;
}
// Get memory status
// Parameters:
// memory_load - A number between 0 and 100 that specifies the approximate percentage of physical memory
// that is in use (0 indicates no memory use and 100 indicates full memory use).
// available_physical - The amount of physical memory currently available, in bytes.
// available_page_file - The maximum amount of memory the current process can commit, in bytes.
void GCToOSInterface::GetMemoryStatus(uint32_t* memory_load, uint64_t* available_physical, uint64_t* available_page_file)
{
if (memory_load != nullptr || available_physical != nullptr)
{
uint64_t total = GetPhysicalMemoryLimit();
uint64_t available = 0;
uint32_t load = 0;
size_t used;
// Get the physical memory in use - from it, we can get the physical memory available.
// We do this only when we have the total physical memory available.
if (total > 0 && GetWorkingSetSize(&used))
{
available = total > used ? total-used : 0;
load = (uint32_t)(((float)used * 100) / (float)total);
}
if (memory_load != nullptr)
*memory_load = load;
if (available_physical != nullptr)
*available_physical = available;
}
if (available_page_file != nullptr)
*available_page_file = 0;
}
