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- /* 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);
- }
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