MastEdm, MAKCim прав
в своё время нужна была подобная - вот - держи исходник
Примечание - DLOG - это внутрення функция журналирования - можно на printf() поменять.
| Код |
//====================================================================
// Global function GetMemoryUsage() - print to log (now to console) info about memory used by this process
//====================================================================
#include <fcntl.h>
int GetMemoryUsage()
{
int ret_val = 0;
int NumOfParameters = 10;
std::string Parameter[] = {"VmPeak","VmSize","VmLck","VmHWM","VmRSS","VmData","VmStk","VmExe","VmLib","VmPTE"};
unsigned long Value[NumOfParameters];
char f_name[32];
sprintf(f_name,"/proc/%u/status",getpid());
int fd = open(f_name, O_RDONLY);
if (fd > 0)
{
lseek(fd, 0L, SEEK_SET);
ssize_t num;
char l_buf[512];
num = read(fd, l_buf, sizeof(l_buf) - 1);
if (num > 0)
{
l_buf[num]='\0';
char value[32];
const char *head,*tail;
for(int i=0;i<NumOfParameters;i++)
{
head = strstr(l_buf,Parameter[i].c_str());
head = strchr(head,':');
head++;
while(*(++head)==' '){};
tail = strchr(head,' ');
unsigned long size = (tail - head);
strncpy(value,head,size);
value[size]='\0';
Value[i] = strtoul(value,NULL,10);
}
#ifdef MEMORY_DEBUG
std::cout << "\t\t Process's INFO:" << std::endl;
std::cout << "\t VmPeak: " << Value[0] << std::endl;
std::cout << "\t VmSize: " << Value[1] << std::endl;
std::cout << "\t VmLck: " << Value[2] << std::endl;
std::cout << "\t VmHWM: " << Value[3] << std::endl;
std::cout << "\t VmRSS: " << Value[4] << std::endl;
std::cout << "\t VmData: " << Value[5] << std::endl;
std::cout << "\t VmStk: " << Value[6] << std::endl;
std::cout << "\t VmExe: " << Value[7] << std::endl;
std::cout << "\t VmLib: " << Value[8] << std::endl;
std::cout << "\t VmPTE: " << Value[9] << std::endl;
#endif
std::cout << "\t\t Process's Memory Usage INFO:" << std::endl;
std::cout << "\t All RAM usage for process (inlude: shared library's; data, stack and text segments; resident): " << Value[4]+Value[5]+Value[6]+Value[7]+Value[8] << " kB\n";
std::cout << "\t RAM for resident only: " << Value[4] << " kB [Peek of RAM for resident: " << Value[3] << " kB]\n";
std::cout << "\t Virtual memory usage (swap and on the non-swap partitions): " << Value[1] << " kB [Peek is " << Value[0] << " kB]\n";
std::cout << "\t Size of 'Locked' memory : " << Value[2] << " kB\n";
}
else
{
DLOG("** err : GetProcessInfo() - couldn't read file");
ret_val=2;
}
if(close(fd) < 0)
{
DLOG("** err : GetProcessInfo() - couldn't close file");
ret_val += 4;
}
}
else
{
DLOG("** err : GetProcessInfo() - couldn't open file");
ret_val=1;
}
return ret_val;
}
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