DB12c: All You Need to Know About the Resource Manager
resmgr:cpu quantum等待事件
How to Solve resmgr:cpu quantum ( resource_manager_cpu_allocation ) Wait Event in Oracle 12c - IT Tutorial
dbi Blog
Performance Troubleshooting Series : Understanding Database CPU – Consumers – Waiters – Average Active Sessions « All about Database Administration, Tips & Tricks
SCHEDULER Class wait event (resmgr: cpu quantum) doesn't show up in Lab128