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/*
* Fast and easy way to gather the necessary information for dwm status bar
*
* Needs libacpi-dev and libcpufreq-dev
*
* Copyright (c) 2007-2009 T. Klauser <tklauser@distanz.ch>
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <sys/sysinfo.h>
#include <libacpi.h>
#include <cpufreq.h>
#define DATE_STR "%Y-%m-%d %H:%M"
#define HOUR 3600 /* sec per hour */
#define MINUTE 60 /* sec per min */
#define LOADS_SCALE 65536.0
int main(int argc, char **argv)
{
time_t today;
struct tm tim;
char str[25];
int temp;
long i, n_cpu, up, uph, upm;
struct sysinfo info;
global_t g;
if (check_acpi_support() == NOT_SUPPORTED)
return -1;
if (!(init_acpi_batt(&g) == SUCCESS))
return -1;
if (!(init_acpi_acadapt(&g) == SUCCESS))
return -1;
if (!(init_acpi_thermal(&g) == SUCCESS))
return -1;
/* 1) Date */
time(&today);
tim = *localtime(&today);
strftime(str, 25, DATE_STR, &tim);
str[25] = '\0';
printf("%s | ", str);
/* 2) Battery percentage (only the first battery matters for now) */
read_acpi_batt(0);
if (batteries[0].present)
printf("%d%% %s| ", batteries[0].percentage,
g.adapt.ac_state == P_AC ? "(ac) " : "");
else
printf("n/a%% | ");
/* TODO: Use sysfs! */
/* 3) Temperature */
temp = g.temperature;
if (temp < 0 || temp == NOT_SUPPORTED)
printf("n/a C | ");
else
printf("%d C | ", temp);
/* 4) Current CPU frequency for each core */
n_cpu = sysconf(_SC_NPROCESSORS_CONF);
for (i = 0; i < n_cpu; i++) {
unsigned long freq = cpufreq_get_freq_kernel(i);
if (freq) {
unsigned long tmp_freq;
/* Taken from cpufrequtils */
if (freq > 1000000) {
tmp_freq = freq % 10000;
if (tmp_freq >= 5000)
freq += 10000;
printf("%u.%02u G", ((unsigned int) freq / 1000000),
((unsigned int) (freq % 1000000) / 10000));
} else if (freq > 100000) {
tmp_freq = freq % 1000;
if (tmp_freq >= 500)
freq += 1000;
printf("%u M", ((unsigned int) freq / 1000));
} else if (freq > 1000) {
tmp_freq = freq % 100;
if (tmp_freq >= 50)
freq += 100;
printf("%u.%01u M", ((unsigned int) freq / 1000),
((unsigned int) (freq % 1000) / 100));
} else
printf("%lu k", freq);
printf("Hz | ");
} else
printf("n/a | ");
}
/* 5) Uptime and load average */
if (sysinfo(&info) == 0) {
up = info.uptime;
uph = up / HOUR;
upm = (up % HOUR) / MINUTE;
printf("%lu:%.02lu | %.02f %.02f %.02f\n", uph, upm,
info.loads[0] / LOADS_SCALE,
info.loads[1] / LOADS_SCALE,
info.loads[2] / LOADS_SCALE);
} else
printf("n/a | n/a\n");
return 0;
}
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