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Id like to measure the cpu usage during the execution of a command. If I type $ cp BigFile Location Id like to see how much this process used cpu power

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  • time cp Location, will give you processing time, what metric are you after? Commented Jun 30, 2020 at 11:34
  • @LawrenceCherone but i need the cpu usage in percent Commented Jun 30, 2020 at 11:35
  • 1
    You might be interested in this post: unix.stackexchange.com/questions/554/… Commented Jun 30, 2020 at 11:36
  • percent is a rolling average :/ if it takes 20mins how would 15% make sense, some details on conversion from time to utilisation here Commented Jun 30, 2020 at 11:36
  • I need a min and average and a high value Commented Jun 30, 2020 at 11:38

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I recently found a tool which measures time, cpu usage, memory usage all at once. Its called /usr/bin/time and should be installed via apt

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htop is a graphical solution in the shell - maybe this one helps

There you can search for it.

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top command will show you memory and CPU usage,

you can pipe with grep

top | grep chrome  # for google chrome cpu and mem usage for and example
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that works but how do i check the usage from a command within a script and store it into a file or smth
cant you use PID ?
but how does the script know when to stop monitoring
how about giving approximate time loop : stackoverflow.com/questions/11176284/…
would work but for a script... its not the most elegant way
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