return NULL;
}
+ return bprintf("%d", 100 *
+ ((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
+ a[CP_INTR]) -
+ (b[CP_USER] + b[CP_NICE] + b[CP_SYS] +
+ b[CP_INTR])) /
+ ((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
+ a[CP_INTR] + a[CP_IDLE]) -
+ (b[CP_USER] + b[CP_NICE] + b[CP_SYS] +
+ b[CP_INTR] + b[CP_IDLE])));
+ }
+#elif defined(__FreeBSD__)
+ #include <sys/param.h>
+ #include <sys/sysctl.h>
+ #include <devstat.h>
+
+ const char *
+ cpu_freq(void)
+ {
+ int freq;
+ size_t size;
+
+ size = sizeof(freq);
+ /* in MHz */
+ if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) == -1
+ || !size) {
+ warn("sysctlbyname 'hw.clockrate':");
+ return NULL;
+ }
+
+ return fmt_human(freq * 1E6, 1000);
+ }
+
+ const char *
+ cpu_perc(void)
+ {
+ size_t size;
+ static long a[CPUSTATES];
+ long b[CPUSTATES];
+
+ size = sizeof(a);
+ memcpy(b, a, sizeof(b));
+ if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) == -1
+ || !size) {
+ warn("sysctlbyname 'kern.cp_time':");
+ return NULL;
+ }
+ if (b[0] == 0) {
+ return NULL;
+ }
+
return bprintf("%d", 100 *
((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
a[CP_INTR]) -