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| Date: 2003-06-03 13:47:01 |
| Filename: sysinfo.c |
| Author: detour@metalshell.com |
| |
| http://www.metalshell.com/ |
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/* sysinfo.c by detour@metalshell.com
*
* Display the uptime, load averages, total ram, free ram,
* shared ram, buffered ram, total swap, free swap, and
* number of processes running on a linux machine.
*
* http://www.metalshell.com/
*
*/
#include
#include
int main() {
int days, hours, mins;
struct sysinfo sys_info;
if(sysinfo(&sys_info) != 0)
perror("sysinfo");
// Uptime
days = sys_info.uptime / 86400;
hours = (sys_info.uptime / 3600) - (days * 24);
mins = (sys_info.uptime / 60) - (days * 1440) - (hours * 60);
printf("Uptime: %ddays, %dhours, %dminutes, %ldseconds\n",
days, hours, mins, sys_info.uptime % 60);
// Load Averages for 1,5 and 15 minutes
printf("Load Avgs: 1min(%ld) 5min(%ld) 15min(%ld)\n",
sys_info.loads[0], sys_info.loads[1], sys_info.loads[2]);
// Total and free ram.
printf("Total Ram: %ldk\tFree: %ldk\n", sys_info.totalram / 1024,
sys_info.freeram / 1024);
// Shared and buffered ram.
printf("Shared Ram: %ldk\n", sys_info.sharedram / 1024);
printf("Buffered Ram: %ldk\n", sys_info.bufferram / 1024);
// Swap space
printf("Total Swap: %ldk\tFree: %ldk\n", sys_info.totalswap / 1024,
sys_info.freeswap / 1024);
// Number of processes currently running.
printf("Number of processes: %d\n", sys_info.procs);
return 0;
}