You will not find ProcExp by looking for CpuProc.
The one you need to look for is ProcExp, it's short for Process Explorer so that will help you remember its name.
Process Explorer v9.25
Process Explorer v9.2 shows a real-time CPU graph in its tray icon, adds CPU graph and I/O delta columns to the process view, reports 32-bit loaded DLLs for 32-bit processes on Windows 64-bit systems, and lets you view and edit process security descriptors. It also supports Windows Vista.