How to backup your perfmon counters
The easiest way to backup your perfmon counters is to use the lodctr tool
Registers new Performance counter names and Explain text for a service or device driver, and saves and restores counter settings and Explain text.
lodctr [\\ComputerName] FileName [/s:FileName] [/r:FileName]
lodctr /s:"perf backup1.txt"