Performance of various resources on a device can impact the health of that device. For instance, it can be due to insufficient hardware, high resource utilization of a resource by a process, too many processes running on that system, or too much incoming and out-going traffic, or even network latency.
OpManager helps you see the performance of all the resources at a glance for a single device. This helps troubleshooting the problem much easier.
To access this report, go to the device snapshot page and click on At a Glance Report option on the right corner. This is a report showing the device health at a glance. It shows details like the availability, response time, packet loss, resource utilizations etc.