fPrevActive
delete[] fPrevActive;
memset(fPrevActive, 0, sizeof(bigtime_t) * kCPUCount);
bigtime_t load = cpuInfos[x].active_time - fPrevActive[x];
fPrevActive[x] = cpuInfos[x].active_time;
fPrevActive[x] -= load - passed; // save overload for next period...
bigtime_t* fPrevActive;