Ubuntu
htop package

How can I use the data stream in htop to build a analysis chart?

Asked by Haodong Wang

I want to compare the CPU usage of different softwares in a certain time , but counting by eyes is not accuracy

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actionparsnip
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Best actionparsnip (andrew-woodhead666) said : 		#1

You can use the sleep command to wait some time in a script. Eh.

#!/bin/bash
echo "before"
sleep 5
echo "5 seconds later"

And so on. Does that help?

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Manfred Hampl (m-hampl) said : 		#2

Have you considered using the command "time" instead of "htop"?

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Haodong Wang (sparta121) said : 		#3

Thanks your help , andrew . I know your mean is to write a shell which sleep per certain time to record . Even through now I don not know how to grab data from htop , this dynamic window. Maybe I need read some tutorial beyond htop.

Thanks you , m-hampl. I check command 'time' and it does provide the function which show the runtime of a program . But in my case , the program is working for a while so its needless to compare start time . Anyway thank you!

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actionparsnip (andrew-woodhead666) said : 		#4

https://softwarerecs.stackexchange.com/questions/24903/see-cpu-use-history-as-a-graph-in-a-linux-shell

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Haodong Wang (sparta121) said : 		#5

Oh that is it! Thank you!

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Haodong Wang (sparta121) said : 		#6

Thanks actionparsnip, that solved my question.