Multiple devices selected but the On-Demand Report displayed only shows one device instead of all the selected devices.
CA Performance Management r3.2
View type must be Chart per Item with Multiple Metrics.
If using On-Demand Report template for multiple device then the view will be limited as it cannot identify devices on the single graph.
Perform the following steps:
1. Click on Edit Template
2. The "View Type" by default is "Chart with Multiple Metrics"
Change it to "Chart per Item with Multiple Metrics"
3. Click Save.