获取内存使用率等相关信息

// Use to convert bytes to KB

#define DIV 1024

// Specify the width of the field in which to print the numbers. 

// The asterisk in the format specifier "%*I64d" takes an integer 

// argument and uses it to pad and right justify the number.

#define WIDTH 7 

////memory information///

 

 MEMORYSTATUSEX statex;

 statex.dwLength = sizeof (statex);

 GlobalMemoryStatusEx (&statex);

 printf("tyc,%d",statex.dwMemoryLoad);

 printf ("There is %*ld percent of memory in use.\n",

  WIDTH, statex.dwMemoryLoad);

 printf ("There are %*I64d total Kbytes of physical memory.\n",

  WIDTH, statex.ullTotalPhys/DIV);

 printf ("There are %*I64d free Kbytes of physical memory.\n",

  WIDTH, statex.ullAvailPhys/DIV);

 printf ("There are %*I64d total Kbytes of paging file.\n",

  WIDTH, statex.ullTotalPageFile/DIV);

 printf ("There are %*I64d free Kbytes of paging file.\n",

  WIDTH, statex.ullAvailPageFile/DIV);

 printf ("There are %*I64d total Kbytes of virtual memory.\n",

  WIDTH, statex.ullTotalVirtual/DIV);

 printf ("There are %*I64d free Kbytes of virtual memory.\n",

  WIDTH, statex.ullAvailVirtual/DIV);

 // Show the amount of extended memory available.

 printf ("There are %*I64d free Kbytes of extended memory.\n",

  WIDTH, statex.ullAvailExtendedVirtual/DIV);