Add tracing output before initializig NVML

zeusd/src/startup.rs

@@ -52,6 +52,7 @@ pub fn get_unix_listener(
 
 /// Initialize NVML and start GPU management tasks.
 pub fn start_device_tasks() -> anyhow::Result<GpuManagementTasks> {
+    tracing::info!("Starting NVML and GPU management tasks.");
     let num_gpus = NvmlGpu::device_count()?;
     let mut gpus = Vec::with_capacity(num_gpus as usize);
     for gpu_id in 0..num_gpus {