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pajs |
1.1 |
/* |
| 2 |
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* i-scream central monitoring system |
| 3 |
tdb |
1.2 |
* http://www.i-scream.org |
| 4 |
tdb |
1.6 |
* Copyright (C) 2000-2004 i-scream |
| 5 |
pajs |
1.1 |
* |
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* This program is free software; you can redistribute it and/or |
| 7 |
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* modify it under the terms of the GNU General Public License |
| 8 |
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* as published by the Free Software Foundation; either version 2 |
| 9 |
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* of the License, or (at your option) any later version. |
| 10 |
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* |
| 11 |
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* This program is distributed in the hope that it will be useful, |
| 12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
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* GNU General Public License for more details. |
| 15 |
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* |
| 16 |
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* You should have received a copy of the GNU General Public License |
| 17 |
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* along with this program; if not, write to the Free Software |
| 18 |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
tdb |
1.7 |
* |
| 20 |
tdb |
1.8 |
* $Id: cpu_usage.c,v 1.7 2004/01/19 16:49:19 tdb Exp $ |
| 21 |
pajs |
1.1 |
*/ |
| 22 |
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| 23 |
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#include <stdio.h> |
| 24 |
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#include <statgrab.h> |
| 25 |
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#include <stdlib.h> |
| 26 |
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#include <unistd.h> |
| 27 |
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| 28 |
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int main(int argc, char **argv){ |
| 29 |
tdb |
1.4 |
|
| 30 |
pajs |
1.1 |
extern char *optarg; |
| 31 |
tdb |
1.4 |
int c; |
| 32 |
pajs |
1.1 |
|
| 33 |
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int delay = 1; |
| 34 |
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cpu_percent_t *cpu_percent; |
| 35 |
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| 36 |
ats |
1.3 |
while ((c = getopt(argc, argv, "d:")) != -1){ |
| 37 |
tdb |
1.4 |
switch (c){ |
| 38 |
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case 'd': |
| 39 |
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delay = atoi(optarg); |
| 40 |
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break; |
| 41 |
pajs |
1.1 |
} |
| 42 |
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} |
| 43 |
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| 44 |
tdb |
1.4 |
/* Initialise statgrab */ |
| 45 |
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statgrab_init(); |
| 46 |
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| 47 |
tdb |
1.5 |
/* Drop setuid/setgid privileges. */ |
| 48 |
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if (statgrab_drop_privileges() != 0) { |
| 49 |
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perror("Error. Failed to drop privileges"); |
| 50 |
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return 1; |
| 51 |
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} |
| 52 |
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| 53 |
tdb |
1.4 |
/* Throw away the first reading as thats averaged over the machines uptime */ |
| 54 |
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cpu_percent = cpu_percent_usage(); |
| 55 |
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| 56 |
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/* Clear the screen ready for display the cpu usage */ |
| 57 |
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printf("\033[2J"); |
| 58 |
pajs |
1.1 |
|
| 59 |
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while( (cpu_percent = cpu_percent_usage()) != NULL){ |
| 60 |
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printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user); |
| 61 |
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printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel); |
| 62 |
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printf("\033[4;2H%-12s : %6.2f", "IOWait CPU", cpu_percent->iowait); |
| 63 |
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printf("\033[5;2H%-12s : %6.2f", "Swap CPU", cpu_percent->swap); |
| 64 |
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printf("\033[6;2H%-12s : %6.2f", "Nice CPU", cpu_percent->nice); |
| 65 |
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printf("\033[7;2H%-12s : %6.2f", "Idle CPU", cpu_percent->idle); |
| 66 |
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fflush(stdout); |
| 67 |
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sleep(delay); |
| 68 |
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} |
| 69 |
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| 70 |
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exit(0); |
| 71 |
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} |
