After upgrading appliance to the latest patch, 7.0.0.10600 Build 16620007, CPU is high.

[IT4RnD]

High CPU after vCenter update 7.0b  To 7.0c

[VRO123 · Accepted solution]

with the temporary workaround nicely documented by LaurensvanDujin

VMware vCenter 7.0.0c high CPU usage – vDrone