CpuStres v2.0

By Pavel Yosifovich

Published: July 18, 2018

Download Download CpuStres (2.2 MB)


CpuStres is a utility that can be used to simulate CPU activity by running up to 64 threads in a tight loop.

Each thread can be started, paused or stopped independently and can be configured with the following parameters:

  • Activity Level This can be Low, Medium, Busy or Maximum which controls how long the thread sleepss between cycles. Setting this value to Maximum causes the thread to run continuously.
  • Priority This controls the thread priority. Refer to Windows Internals by Mark Russinovich for details on thread priorities

Runs on:

  • Client: Windows Vista and higher
  • Server: Windows Server 2003 and higher
  • Nano Server: 2016 and higher
  • Windows Internals Book The official updates and errata page for the definitive book on Windows internals, by Mark Russinovich and David Solomon.


DownloadDownload CpuStres (2.2 MB)
Run now from Sysinternals Live.