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34 lines
939 B
Plaintext
34 lines
939 B
Plaintext
---
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syntax: markdown
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tags: [tldr, linux]
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source: https://github.com/tldr-pages/tldr.git
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---
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# cpulimit
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> A tool to throttle the CPU usage of other processes.
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> More information: <http://cpulimit.sourceforge.net/>.
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- Limit an existing process with PID 1234 to only use 25% of the CPU:
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`cpulimit --pid {{1234}} --limit {{25%}}`
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- Limit an existing program by its executable name:
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`cpulimit --exe {{program}} --limit {{25}}`
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- Launch a given program and limit it to only use 50% of the CPU:
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`cpulimit --limit {{50}} -- {{program argument1 argument2 ...}}`
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- Launch a program, limit its CPU usage to 50% and run cpulimit in the background:
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`cpulimit --limit {{50}} --background -- {{program}}`
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- Kill its process if the program's CPU usage goes over 50%:
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`cpulimit --limit 50 --kill -- {{program}}`
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- Throttle both it and its child processes so that none go about 25% CPU:
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`cpulimit --limit {{25}} --monitor-forks -- {{program}}`
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