Resource Monitor

Resource Monitor running under Windows 11
Developer(s)	Microsoft
Initial release	January 30, 2007; 16 years ago (2007-01-30)
Operating system	Microsoft Windows
Platform	IA-32, x86-64 and ARM
Type	System resources utility
License	Proprietary commercial software

Resource Monitor, a utility in Windows Vista and later, displays information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time.^[1] Users can launch Resource Monitor by executing resmon.exe (perfmon.exe in Windows Vista).

The Vista and later Resource Monitor heavily leverages the Event Tracing for Windows (ETW) facilities introduced in Windows 7;^[2] the counter setup (event tracing session) used by the Resource Monitor can provide logging as well.^[3]

Features

The Resource Monitor window includes five tabs:^[4]

• Overview
• CPU

displays column lists of Processes, Services, Associated Handles and Associated Modules; charts of CPU Usage (separate for every core)

• Memory

displays overall Physical Memory consumption and separate consumption of every Process; charts of Used Physical Memory, Commit Charge and Hard Faults/sec

• Disk

displays Processes with Disk Activity and Storage; charts of Disk Usage (KB/sec) and Disk Queue Length

• Network

displays Processes with Network Activity, TCP Connections and Listening Ports; charts of Network Usage (separate for every adapter) and TCP Connections

Ways to start the application

• Choose Start→Type to search "Resource Monitor".
• Start Windows Task Manager→select Performance tab→Click the "Open Resource Monitor" link at the lower left corner.
• Choose Start→All Programs→Accessories→System Tools→Resource Monitor.
• %windir%\system32\perfmon.exe /res
• %windir%\system32\resmon.exe