/*---------------------------------------------------------------
getMemoryUsage
---------------------------------------------------------------*/
unsigned long mrpt::system::getMemoryUsage()
{
MRPT_START
unsigned long MEM = 0;
#ifdef _WIN32
// Windows:
static CAuxPSAPI_Loader PSAPI_LOADER;
PROCESS_MEMORY_COUNTERS pmc;
pmc.cb = sizeof(pmc);
if (PSAPI_LOADER.GetProcessMemoryInfo(
GetCurrentProcess(), &pmc, sizeof(pmc)))
{
MEM = (long)pmc.PagefileUsage;
}
#endif
#ifdef MRPT_OS_LINUX
FILE* f = ::fopen("/proc/self/statm", "r");
if (!f) return 0;
unsigned long mem_pages = 0;
// see 'man proc' for docs on this
if (!::fscanf(f, "%*d %*d %*d %*d %*d %lu %*d", &mem_pages))
{
// Error parsing.
MEM = 0;
}
::fclose(f);
// Multiply by the page size:
static const long pagesize = ::sysconf(_SC_PAGE_SIZE);
MEM = static_cast<decltype(MEM)>(pagesize) * mem_pages;
#endif
#ifdef __APPLE__
mach_task_basic_info info;
mach_msg_type_number_t count = MACH_TASK_BASIC_INFO_COUNT;
if (task_info(
mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info,
&count) == 0)
{
MEM = info.virtual_size;
}
#endif
return MEM;
MRPT_END
}
/*---------------------------------------------------------------
getMemoryUsage
---------------------------------------------------------------*/
unsigned long mrpt::system::getMemoryUsage()
{
MRPT_START
unsigned long MEM = 0;
#ifdef MRPT_OS_WINDOWS
// Windows:
static CAuxPSAPI_Loader PSAPI_LOADER;
PROCESS_MEMORY_COUNTERS pmc;
pmc.cb = sizeof(pmc);
if ( PSAPI_LOADER.GetProcessMemoryInfo( GetCurrentProcess(),&pmc,sizeof(pmc) ) )
{
MEM = (long)pmc.PagefileUsage;
}
#endif
#ifdef MRPT_OS_LINUX
// Linux:
//int page_size = getpagesize();
FILE *f = ::fopen ("/proc/self/stat", "r");
if (!f) return 0;
// Note: some of these scanf specifiers would normally be 'long' versions if
// not for the fact that we are using suppression (gcc warns). see 'man
// proc' for scanf specifiers and meanings.
if (!::fscanf(f,
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %lu", &MEM))
{
// Error parsing:
MEM=0;
}
::fclose (f);
//::system("cat /proc/self/statm");
#endif
#ifdef MRPT_OS_APPLE
mach_task_basic_info info;
mach_msg_type_number_t count = MACH_TASK_BASIC_INFO_COUNT;
if(task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &count)==0)
{
MEM=info.virtual_size;
}
#endif
return MEM;
MRPT_END
}
/*---------------------------------------------------------------
getMemoryUsage
---------------------------------------------------------------*/
unsigned long mrpt::system::getMemoryUsage()
{
MRPT_START
unsigned long MEM = 0;
#ifdef MRPT_OS_WINDOWS
// Windows:
static CAuxPSAPI_Loader PSAPI_LOADER;
PROCESS_MEMORY_COUNTERS pmc;
pmc.cb = sizeof(pmc);
if ( PSAPI_LOADER.GetProcessMemoryInfo( GetCurrentProcess(),&pmc,sizeof(pmc) ) )
{
MEM = (long)pmc.PagefileUsage;
}
#endif
#ifdef MRPT_OS_LINUX
// Linux:
//int page_size = getpagesize();
FILE *f = ::fopen ("/proc/self/stat", "r");
if (!f) return 0;
// Note: some of these scanf specifiers would normally be 'long' versions if
// not for the fact that we are using suppression (gcc warns). see 'man
// proc' for scanf specifiers and meanings.
if (!::fscanf(f,
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %lu", &MEM))
{
// Error parsing:
MEM=0;
}
::fclose (f);
//::system("cat /proc/self/statm");
#endif
#ifdef MRPT_OS_APPLE
//TODO: Not implemented for Apple.
MEM = 0;
#endif
return MEM;
MRPT_END
}
