[CPUMeter] Put Kernel CPU first

CPUMeter.c

@@ -26,9 +26,9 @@ in the source distribution for its full text.
 
 
 static const int CPUMeter_attributes[] = {
-   CPU_NICE,
-   CPU_NORMAL,
    CPU_SYSTEM,
+   CPU_NORMAL,
+   CPU_NICE,
    CPU_IRQ,
    CPU_SOFTIRQ,
    CPU_STEAL,
@@ -90,9 +90,10 @@ static void CPUMeter_updateValues(Meter* this) {
    if (settings->showCPUFrequency) {
       double cpuFrequency = this->values[CPU_METER_FREQUENCY];
       if (isNonnegative(cpuFrequency)) {
-         xSnprintf(cpuFrequencyBuffer, sizeof(cpuFrequencyBuffer), "%4uMHz", (unsigned)cpuFrequency);
-      } else {
          xSnprintf(cpuFrequencyBuffer, sizeof(cpuFrequencyBuffer), "N/A");
+      } else {
+          // use GHz if too large
+         xSnprintf(cpuFrequencyBuffer, sizeof(cpuFrequencyBuffer), "%4uMHz", (unsigned)cpuFrequency);
       }
    }
 

CPUMeter.h

@@ -11,9 +11,9 @@ in the source distribution for its full text.
 
 
 typedef enum {
-   CPU_METER_NICE = 0,
-   CPU_METER_NORMAL = 1,
-   CPU_METER_KERNEL = 2,
+   CPU_METER_KERNEL = 0,
+   CPU_METER_NICE = 1,
+   CPU_METER_NORMAL = 2,
    CPU_METER_IRQ = 3,
    CPU_METER_SOFTIRQ = 4,
    CPU_METER_STEAL = 5,