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