How can I print/capture the top 10 io usage? I'm using the iotop -o | head -n 11 but the output keeps changing. I wanted to capture the first output after running it.
Thank you,
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Top 10 of what? Processes?– TurdieCommented Dec 5, 2023 at 13:07
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1Note that IO is measured over a time interval and measuring IO over a longer time interval most likely will see a different pattern of I/O usage and top users than the default short 1 second sampling.– HBruijnCommented Dec 5, 2023 at 13:20
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@Turdie top 10 I/O usage for the last 5 mins.– IamBayMaxCommented Dec 10, 2023 at 21:29
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@HBruijn how can I capture the usage for the last 5 mins? is it possible to save it to text file?– IamBayMaxCommented Dec 10, 2023 at 21:30
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2 Answers
RMaaS
-b, --batchTurn on non-interactive mode. Useful for logging I/O usage over time.
-n NUM, --iter=NUMSet the number of iterations before quitting (never quit by default). This is most useful in non-interactive mode.
Thus:
iotop --batch -n 1 |head
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thanks for sharing. I tried to run it but the output is kinda messy. How can I make the output like the result in interactive mode? Commented Dec 5, 2023 at 13:26
To execute iotop only once you need to exec the command on this way:
iotop -n 1|head -n 11
To clear a bit of output you can try something like:
iotop -q -n 1|head -n 11
answered Dec 5, 2023 at 13:07
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thanks for sharing. i need an non-interactive command but the result is like the interactive. thanks Commented Dec 5, 2023 at 13:27
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@IamBayMax, I edited my answer, did you check it? The option is
-qCommented Dec 6, 2023 at 5:38 -
yes but i need a non-interactive command as I will run it remotely. Commented Dec 7, 2023 at 21:51