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slstatus/components/OpenBSD/cpu.c
2018-04-30 15:41:09 +02:00

26 lines
463 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/sysctl.h>
#include "../../util.h"
const char *
cpu_freq(void)
{
int freq, mib[2];
size_t size;
mib[0] = CTL_HW;
mib[1] = HW_CPUSPEED;
size = sizeof(freq);
if (sysctl(mib, 2, &freq, &size, NULL, 0) == -1) {
fprintf(stderr, "sysctl 'HW_CPUSPEED': %s\n", strerror(errno));
return NULL;
}
return bprintf("%d", freq);
}