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add cpu_freq function

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This commit is contained in:
Aaron Marcher
2017-06-12 23:56:21 +02:00
parent 259e967cbf
commit 832b21ca4b
2 changed files with 19 additions and 0 deletions
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18
slstatus.c
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@ -37,6 +37,7 @@ static char *smprintf(const char *fmt, ...);
static char *battery_perc(const char *bat);
static char *battery_power(const char *bat);
static char *battery_state(const char *bat);
static char *cpu_freq(void);
static char *cpu_perc(void);
static char *datetime(const char *fmt);
static char *disk_free(const char *mnt);
@ -167,6 +168,23 @@ battery_state(const char *bat)
}
}
static char *
cpu_freq(void)
{
int freq;
FILE *fp;
fp = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
if (fp == NULL) {
warn("Failed to open file /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%i", &freq);
fclose(fp);
return smprintf("%d", (freq + 500) / 1000);
}
static char *
cpu_perc(void)
{