diff --git a/darwin/Platform.c b/darwin/Platform.c
index 9b7e23791..66ce7a26d 100644
--- a/darwin/Platform.c
+++ b/darwin/Platform.c
@@ -18,6 +18,7 @@ in the source distribution for its full text.
 #include <net/if_types.h>
 #include <net/route.h>
 #include <sys/socket.h>
+#include <sys/sysctl.h>
 #include <sys/time.h>
 #include <mach/port.h>
 #include <net/if.h> // After `sys/socket.h` for struct `sockaddr` (for iOS6 SDK)
@@ -311,15 +312,22 @@ static double Platform_setCPUAverageValues(Meter* mtr) {
    double sumNormal = 0.0;
    double sumKernel = 0.0;
    double sumPercent = 0.0;
+   double sumFrequency = 0.0;
+   unsigned int countFrequency = 0;
    for (unsigned int i = 1; i <= host->existingCPUs; i++) {
       sumPercent += Platform_setCPUValues(mtr, i);
       sumNice    += mtr->values[CPU_METER_NICE];
       sumNormal  += mtr->values[CPU_METER_NORMAL];
       sumKernel  += mtr->values[CPU_METER_KERNEL];
+      if (isNonnegative(mtr->values[CPU_METER_FREQUENCY])) {
+         sumFrequency += mtr->values[CPU_METER_FREQUENCY];
+         countFrequency++;
+      }
    }
    mtr->values[CPU_METER_NICE]   = sumNice   / activeCPUs;
    mtr->values[CPU_METER_NORMAL] = sumNormal / activeCPUs;
    mtr->values[CPU_METER_KERNEL] = sumKernel / activeCPUs;
+   mtr->values[CPU_METER_FREQUENCY] = countFrequency ? (sumFrequency / countFrequency) : NAN;
    return sumPercent / activeCPUs;
 }
 
@@ -357,7 +365,18 @@ double Platform_setCPUValues(Meter* mtr, unsigned int cpu) {
    /* Convert to percent and return */
    total = mtr->values[CPU_METER_NICE] + mtr->values[CPU_METER_NORMAL] + mtr->values[CPU_METER_KERNEL];
 
-   mtr->values[CPU_METER_FREQUENCY] = NAN;
+   double frequency = NAN;
+   if (mtr->host->settings->showCPUFrequency) {
+      uint64_t cpufreq = 0;
+      size_t len = sizeof(cpufreq);
+      if (sysctlbyname("hw.cpufrequency", &cpufreq, &len, NULL, 0) == 0 && cpufreq > 0) {
+         frequency = (double)cpufreq / 1E6;
+      } else if (sysctlbyname("hw.cpufrequency_max", &cpufreq, &len, NULL, 0) == 0 && cpufreq > 0) {
+         frequency = (double)cpufreq / 1E6;
+      }
+   }
+
+   mtr->values[CPU_METER_FREQUENCY] = frequency;
    mtr->values[CPU_METER_TEMPERATURE] = NAN;
 
    return CLAMP(total, 0.0, 100.0);