You want to monitor system performance in real time.

 ONTAP System Manager and ONTAP CLI are two tools that you can use to monitor system performance in real time. ONTAP System Manager is a web-based interface that provides a graphical view of the cluster performance, including CPU, network, disk, and volume utilization. You can also drill down to view the performance of individual nodes, aggregates, LIFs, and protocols. ONTAP CLI is a command-line interface that provides various commands to view the performance statistics of the cluster, such as sysstat, statistics, qos, and perf. You can use these commands to view the performance metrics in different formats, intervals, and levels of detail. The other tools are not suitable for real-time performance monitoring, as they provide historical or predictive analysis. Active IQ Unified Manager is a tool that collects and analyzes performance data from multiple clusters and provides alerts, reports, and recommendations based on the data. Active IQ Digital Advisor is a tool that provides insights and recommendations for your NetApp systems based on data collected from AutoSupport. References :- Monitor cluster performance, What commands are useful to monitor performance in ONTAP 9?, Analyze performance graphs, NetApp launches monitoring, alerting, and troubleshooting for ONTAP from cloud