| 1 |
/* |
| 2 |
* i-scream libstatgrab |
| 3 |
* http://www.i-scream.org |
| 4 |
* Copyright (C) 2000-2004 i-scream |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or |
| 7 |
* modify it under the terms of the GNU General Public License |
| 8 |
* as published by the Free Software Foundation; either version 2 |
| 9 |
* of the License, or (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
* |
| 20 |
* $Id: vm_stats.c,v 1.11 2004/04/07 21:47:50 tdb Exp $ |
| 21 |
*/ |
| 22 |
|
| 23 |
#include <stdio.h> |
| 24 |
#include <statgrab.h> |
| 25 |
#include <stdlib.h> |
| 26 |
#include <unistd.h> |
| 27 |
|
| 28 |
int main(){ |
| 29 |
|
| 30 |
sg_mem_stats *mem_stats; |
| 31 |
sg_swap_stats *swap_stats; |
| 32 |
|
| 33 |
long long total, free; |
| 34 |
|
| 35 |
/* Initialise statgrab */ |
| 36 |
sg_init(); |
| 37 |
|
| 38 |
/* Drop setuid/setgid privileges. */ |
| 39 |
if (sg_drop_privileges() != 0) { |
| 40 |
perror("Error. Failed to drop privileges"); |
| 41 |
return 1; |
| 42 |
} |
| 43 |
|
| 44 |
if( ((mem_stats=sg_get_mem_stats()) != NULL) && (swap_stats=sg_get_swap_stats()) != NULL){ |
| 45 |
printf("Total memory in bytes : %lld\n", mem_stats->total); |
| 46 |
printf("Used memory in bytes : %lld\n", mem_stats->used); |
| 47 |
printf("Cache memory in bytes : %lld\n", mem_stats->cache); |
| 48 |
printf("Free memory in bytes : %lld\n", mem_stats->free); |
| 49 |
|
| 50 |
printf("Swap total in bytes : %lld\n", swap_stats->total); |
| 51 |
printf("Swap used in bytes : %lld\n", swap_stats->used); |
| 52 |
printf("Swap free in bytes : %lld\n", swap_stats->free); |
| 53 |
|
| 54 |
total = mem_stats->total + swap_stats->total; |
| 55 |
free = mem_stats->free + swap_stats->free; |
| 56 |
|
| 57 |
printf("Total VM usage : %5.2f%%\n", 100 - (((float)total/(float)free))); |
| 58 |
|
| 59 |
} |
| 60 |
else { |
| 61 |
printf("Unable to get VM stats: %s\n", sg_str_error(sg_get_error())); |
| 62 |
exit(1); |
| 63 |
} |
| 64 |
exit(0); |
| 65 |
} |
