> [0.004078] [msg_test/INFO] HDD_utilization
> [0.004078] [msg_test/INFO] Declared link variables:
> [0.004078] [msg_test/INFO] Node types in the trace:
> [0.004078] [msg_test/INFO] HDD_utilization
> [0.004078] [msg_test/INFO] Declared link variables:
> [0.004078] [msg_test/INFO] Node types in the trace: