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get_cpu.c

/* get_cpu.c gets current cpu information 
 * Copyright (C) 2005 Nico Golde <nico@ngolde.de>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ncurses.h>
#include "libacpi.h"

int get_cpu_cur()
{
    FILE *cpuinfo;
    int freq=0;
    if((cpuinfo=fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq","r"))==NULL){
        return freq;
    }
    fscanf(cpuinfo,"%d",&freq);
    fclose(cpuinfo);
    return freq;
}

int get_cpu_max()
{
    FILE *cpuinfo;
    int freq=0;
    if((cpuinfo=fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq","r"))==NULL){
        return freq;
    }
    fscanf(cpuinfo,"%d",&freq);
    fclose(cpuinfo);
    return freq;
}

char *get_cpu_gov()
{
    FILE *cpuinfo;
    char buffer[128];
    char *error="not supported";
    if((cpuinfo=fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor","r"))==NULL){
        bzero(buffer,128);
        strncpy(buffer,error,128);
        return strdup(buffer); 
    }
    fgets(buffer,sizeof(buffer),cpuinfo);
    fclose(cpuinfo);
    endwin();
    return strdup(buffer);
}


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