message: print MSR_PERF_GLOBAL_INUSE register value in hex format
diff: @@ -2758,7 +2758,7 @@ bool PCM::PMUinUse()
  {
  if (value & (1ULL << j))
  {
  - std::cerr << "WARNING: Custom counter " << j << " is in use. MSR_PERF_GLOBAL_INUSE on core " << i << ": " << value << std::endl;
  + std::cerr << "WARNING: Custom counter " << j << " is in use. MSR_PERF_GLOBAL_INUSE on core " << i << ": 0x" << std::hex << value << std::dec << std::endl;
  /*
  Testing MSR_PERF_GLOBAL_INUSE mechanism for a moment. At a later point in time will report BUSY.
  return true;
  