Is there a way to show I/O wait percentage in htop? I can't find a way how to enable this. On the following link there is an example of the functionality I need (the "Avg:" row): http://www.concept47.com/austin_web_developer_blog/sysadmin/something-cool-i-learned-about-htop/ But in my version of htop 2.0.2 I don't know how to enable this. I know that I can get this info from iotop and similar tools but I would like to have this info in htop.

1 Answer 1


Press F2, go to AVailable Meters, then select CPU Average or just CPU ( depending on version/distribution you are using. Add it to your view and place it where you like.
In the configuration dialog, navigate to the section you have added ( Left column / Right column ) and hit Space to toggle through the available types. The type you are looking for is Text.


Additionally you might have to enable Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest) option which can be found in the F2 menu, then Display options.


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  • 2
    Thank you, I was not aware that I can change the display type using the Space key.
    – CyberMuz
    May 7, 2017 at 15:11
  • 3
    CPU Average is not the same as iowait.
    – OrangeDog
    Jan 23, 2018 at 10:29
  • 3
    "Detailed CPU time" gave me what I wanted.
    – exic
    Jun 4, 2018 at 7:34
  • 3
    @OrangeDog, you are, of course, 100% correct. CPU average is not the same as iowait. But, if you follow Thomas' instructions, set the "type" of the "CPU Average" meter to "text" and enable "Detailed CPU time" then the meter will show you text percentages for all the different CPU times, including io-wait. Jan 15, 2020 at 4:09

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