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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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* $Id: cpu_usage.c,v 1.7 2004/01/19 16:49:19 tdb Exp $ |
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*/ |
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|
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#include <stdio.h> |
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#include <statgrab.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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|
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int main(int argc, char **argv){ |
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|
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extern char *optarg; |
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int c; |
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|
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int delay = 1; |
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cpu_percent_t *cpu_percent; |
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|
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while ((c = getopt(argc, argv, "d:")) != -1){ |
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switch (c){ |
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case 'd': |
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delay = atoi(optarg); |
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break; |
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} |
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} |
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|
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/* Initialise statgrab */ |
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statgrab_init(); |
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|
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/* Drop setuid/setgid privileges. */ |
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if (statgrab_drop_privileges() != 0) { |
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perror("Error. Failed to drop privileges"); |
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return 1; |
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} |
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|
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/* Throw away the first reading as thats averaged over the machines uptime */ |
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cpu_percent = cpu_percent_usage(); |
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|
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/* Clear the screen ready for display the cpu usage */ |
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printf("\033[2J"); |
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|
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while( (cpu_percent = cpu_percent_usage()) != NULL){ |
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printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user); |
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printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel); |
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printf("\033[4;2H%-12s : %6.2f", "IOWait CPU", cpu_percent->iowait); |
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printf("\033[5;2H%-12s : %6.2f", "Swap CPU", cpu_percent->swap); |
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printf("\033[6;2H%-12s : %6.2f", "Nice CPU", cpu_percent->nice); |
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printf("\033[7;2H%-12s : %6.2f", "Idle CPU", cpu_percent->idle); |
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fflush(stdout); |
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sleep(delay); |
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} |
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|
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exit(0); |
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} |
