added new nvidia-smi tip from email

Author: RobJY

docs/hpc/06_tools_and_software/08_utils.mdx

@@ -65,6 +65,17 @@ It will provide detailed information like:
 -   P-States: Performance states from P0 (max performance) to P12 (minimum idle)
 -   device details like power consumption and temperature
 
+:::tip
+You can get output refreshed every 5 seconds with:
+```bash
+nvidia-smi -l 5
+```
+Alternatively, you can use:
+```bash
+/share/apps/images/run-nvtop-3.2.0.bash nvtop
+```
+:::
+
 :::tip
 You can get very detailed information about the GPU with:
 ```bash