Performance Sentry and the Performance Monitor (Perfmon) or System Monitor all access the same performance data and all access it the same way. This performance data encompasses an enormously rich set of metrics on resource usage of key hardware and software components that is available on every Windows server and workstation. We think this is [...]

Performance Sentry was originally created as NTSMF. Demand Technology Software was founded in the early days of Windows NT by mainframe performance analysis and capacity planning professionals.  They recognized the need for capturing performance metrics on Windows NT in a fashion similar to the mainframe software called SMF (System Management Facility).  Thus, Windows NT SMF [...]