Depending on the other services installed, you may also have access to a variety of performance counters for that service, including SQL Server and SQL Server Analysis Services. PerfMon also allows ...

Server has SQL SP3a installed (Win2K3). I restarted the SQL server service (and agent) last night and now I've lost all my sql performance counters.How can I get them back w/o a registry rebuild?

To publish your own performance counters in .NET Core, you should implement an EventSource class. The reason is that EventCounters are developed on top of .NET Core’s tracing mechanism.