My Windows Server 2008 R2 should be almost idle, yet it's taking about 12-15% CPU almost all the time. The busy process is an instance of svchost.exe
Using SvcHost Process Analyser, I've established that the services running in this process are as shown:
However, I don't know which is (or are) contributing to the CPU usage.
How do I get more detail?
You could try Process Monitor from here;
http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
It'll give you a decent granular view of processes on your server.