CPUMeter: avoid crashes and leaks in case the CPU count changes

E.g. if the HT/SMT mode changes

Use separate data for sub-meters
Do not reuse drawData for maintainability

1 files changed, 1 insertions, 0 deletions

diff --git a/Meter.h b/Meter.h
index 8a0c8694..5432a768 100644
--- a/Meter.h
+++ b/Meter.h
@@ -71,6 +71,7 @@ struct Meter_ {
    char curItems;
    double* values;
    double total;
+   void* meterData;
 };
 
 typedef struct MeterMode_ {