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/*
* libstatgrab
* https://libstatgrab.org
* Copyright (C) 2003-2004 Peter Saunders
* Copyright (C) 2003-2019 Tim Bishop
* Copyright (C) 2003-2013 Adam Sampson
* Copyright (C) 2012-2019 Jens Rehsack
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "helpers.h"
#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
static int quit = 0;
#if 0
static void
sig_int(int signo) {
if( signo == SIGINT )
quit++;
}
#endif
#ifdef HAVE_LOG4CPLUS_INITIALIZE
static void *l4cplus_initializer;
static void
cleanup_logging(void)
{
log4cplus_deinitialize(l4cplus_initializer);
}
#endif
int main(int argc, char **argv){
extern char *optarg;
int c;
#ifdef HAVE_LOG4CPLUS_INITIALIZE
l4cplus_initializer = log4cplus_initialize();
atexit((void (*)(void))cleanup_logging);
#endif
int delay = 1;
sg_cpu_percents *cpu_percent;
sg_cpu_stats *cpu_diff_stats;
while ((c = getopt(argc, argv, "d:")) != -1){
switch (c){
case 'd':
delay = atoi(optarg);
break;
}
}
#ifdef WIN32
delay = delay * 1000;
#endif
/* Initialise helper - e.g. logging, if any */
sg_log_init("libstatgrab-examples", "SGEXAMPLES_LOG_PROPERTIES", argc ? argv[0] : NULL);
/* Initialise statgrab */
sg_init(1);
/* XXX must be replaced by termios/(n)curses function ....
if( 0 != setvbuf(stdin, NULL, _IONBF, 0) ) {
perror("setvbuf");
exit(1);
} */
/* Drop setuid/setgid privileges. */
if (sg_drop_privileges() != SG_ERROR_NONE) {
sg_die("Error. Failed to drop privileges", 1);
}
register_sig_flagger( SIGINT, &quit );
/* Throw away the first reading as thats averaged over the machines uptime */
sg_snapshot();
cpu_percent = sg_get_cpu_percents(NULL);
if( NULL == cpu_percent )
sg_die("Failed to get cpu stats", 1);
/* Clear the screen ready for display the cpu usage */
printf("\033[2J");
while( ( ( cpu_diff_stats = sg_get_cpu_stats_diff(NULL) ) != NULL ) &&
( ( cpu_percent = sg_get_cpu_percents_of(sg_last_diff_cpu_percent, NULL) ) != NULL ) ) {
int ch;
sg_snapshot();
printf("\033[2;2H%-14s : %lld (%6.2f)", "User CPU", cpu_diff_stats->user, cpu_percent->user);
printf("\033[3;2H%-14s : %lld (%6.2f)", "Kernel CPU", cpu_diff_stats->kernel, cpu_percent->kernel);
printf("\033[4;2H%-14s : %lld (%6.2f)", "IOWait CPU", cpu_diff_stats->iowait, cpu_percent->iowait);
printf("\033[5;2H%-14s : %lld (%6.2f)", "Swap CPU", cpu_diff_stats->swap, cpu_percent->swap);
printf("\033[6;2H%-14s : %lld (%6.2f)", "Nice CPU", cpu_diff_stats->nice, cpu_percent->nice);
printf("\033[7;2H%-14s : %lld (%6.2f)", "Idle CPU", cpu_diff_stats->idle, cpu_percent->idle);
printf("\033[8;2H%-14s : %llu", "Ctxts", cpu_diff_stats->context_switches);
printf("\033[9;2H%-14s : %llu", " Voluntary", cpu_diff_stats->voluntary_context_switches);
printf("\033[10;2H%-14s : %llu", " Involuntary", cpu_diff_stats->involuntary_context_switches);
printf("\033[11;2H%-14s : %llu", "Syscalls", cpu_diff_stats->syscalls);
printf("\033[12;2H%-14s : %llu", "Intrs", cpu_diff_stats->interrupts);
printf("\033[13;2H%-14s : %llu", "SoftIntrs", cpu_diff_stats->soft_interrupts);
fflush(stdout);
ch = inp_wait(delay);
if( quit || (ch == 'q') )
break;
}
sg_shutdown();
exit(0);
}
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