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In this guide, we are going to explore why this happens, and why W3WP high CPU usage can negatively impact and even take down IIS websites (due to hangs, thread pool exhaustion, queueing/503 queue full errors, and more).

Please let me know if you need further information.High CPU usage in the IIS worker process is the second most common performance complaint for production IIS websites. There is no information of unit, but it should be bytes I guess.am I right?) I divided this value by 1024 twice to scale it. Task manager says CPU usage of my program is 7%, but Performance Monitor says % User Time is 45%.Īlso, Task manager says Memory usage is ~390MB but Performance Monitor, is about 430MB (~446000000 bytes. However, they seems quite different from what I can see in the Task Manager. The current size, in bytes, of memory that this process has allocated that cannot be shared with other processes. Some work done by Windows on behalf of the application might appear in other subsystem processes in addition to the privileged time in the process. Unlike some early operating systems, Windows uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes.

Code executing in user mode cannot damage the integrity of the Windows executive, kernel, and device drivers. Applications, environment subsystems, and integral subsystems execute in user mode. The percentage of elapsed time that the process threads spent executing code in user mode. Is that right to select '% User Time' and 'Private Bytes' to see the CPU usage and Memory usage? Process > Private Bytes > my program to log memory usage. Process > % User Time > my program to log CPU usage, Performance monitor > Data Collector Sets > User Defined > right click > new > Data Collector Set >Ĭreate manually > Next > Create data logs, v Performance counter > Next > Add > Or Is there any user guide, manual or reference?

My question is: which counter is CPU usage and which one is memory usage? I found performance monitor, and want to know how to use it. I want to log CPU usage & memory usage of my code (run it via Visual studio, windows 10).