perfmon.exe is a process associated with Microsoft® Windows® Operating System from Microsoft Corporation.
Perfmon.exe is the process behind the Windows Performance Monitor whis is a tool to visually display the built-in performance counters in real-time or through historical data. One can use this tool to analyse how programs are affecting the computer performance. One should be member of the local Administrator group in order to be able to use all the features of the Windows Performance Monitor.
perfmon.exe is located in the folder C:\Windows\System32. The file size on Windows XP and Windows Vista 32 is 120,320 bytes while the file size on Windows Vista 64 bit is 124,928 bytes. Perfmon.exe is a Windows system file and this process has a visible window.
Perfmon.exe is a trustworthy file from Microsoft. There are no real threats from the file although it is not yet known whether removing it will harm the computer. It is advisable not to remove it.