CPUTool – Limit and Control CPU Utilization of Any Process in Linux

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Aaron Kili

Aaron Kili is a Linux and F.O.S.S enthusiast, an upcoming Linux SysAdmin, web developer, and currently a content creator for TecMint who loves working with computers and strongly believes in sharing knowledge.

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7 Responses

  1. Himanshi says:

    cputool --cpu-limit 50 -p 6006 not working, the percentage remains same (100%)

    What should I do?

  2. speedoelement says:

    I have downloaded cputool and cpulimit but this command “cputool –cpu-limit 20 -P 1780” is not working on my Ubuntu.

    Any reason why? It keeps bringing to me the --help page.

  3. joe says:

    Hello, TecMint Team,

    Thanks for writing a wonderful article, I have a doubt. Can we limit uses of CPU in range?

    As I want to limit from 50-80% of CPU uses for dd command.

    • Aaron Kili says:


      Good concern, we stated it as a range because after limiting CPU usage to a given percentage, the value will not just remain exactly at what you have set. It keeps on changing but remains either slightly lower or higher that the set value.

      Try out the examples provided in the guide, and watch using top or glances what happens after setting a certain percentage. Thanks.

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