Golden Rule #1: Restart your command process and any existing apps when you modify performance counters. Performance counters are installed into the registry, so are not refreshed – only loaded in once to the current process. This causes much frustration.
Golden Rule #2: Don’t mess about with the registry, it can cause performance counters to vanish but still exist so you can’t create them again.
Listing performance counters
Remember: After modifying counters, close your console session. Performance counters are only loaded when a process is started.
To see all the performance counters installed on a Windows machine and save them in the counters.txt text file, run the following in either cmd or powershell:
typeperf.exe -q > counters.txt
To find a performance counter by name using wildcards using Powershell:
Get-Counter -ListSet "My.Counter.Name(*)"
Deleting Performance Counters
To delete an existing performance counter using Powershell – this has to be exact!
[Diagnostics.PerformanceCounterCategory]::Delete( "My.Counter.Name" )