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54 lines
2.7 KiB
Markdown
54 lines
2.7 KiB
Markdown
# cpulimit-all
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cpulimit wrapper for limiting CPU of multiple processes
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Example usage:
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```sh
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./cpulimit-all.sh --limit=1 -e firefox -e firefox-esr -e chromium -e chrome\
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--watch-interval 0 --max-depth=1
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```
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Limit CPU of all currently running browser processes to 1%, but do not
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watch for new processes.
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```usage
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Usage: ./cpulimit-all.sh [TARGET] [OPTIONS...] [-- PROGRAM]
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TARGET may be one or more of these (either TARGET or PROGRAM is required):
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-p, --pid=N pid of a process
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-e, --exe=FILE name of a executable program file
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-P, --path=PATH absolute path name of a
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executable program file
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OPTIONS for ./cpulimit-all.sh
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--max-depth=N If 0, only target explicitly referenced processes.
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Otherwise, target subprocesses up to N layers deep.
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--max-processes=N
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Maximum number of processes to limit. After this
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limit is reached, new processes will be limited
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as old ones die.
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--watch-interval=INTERVAL
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If 0, targets will be selected at setup. Otherwise,
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every INTERVAL (argument to sleep(1)), search for
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more possible targets.
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--subprocess-watch-interval=INTERVAL
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During setup, delay INTERVAL (argument to sleep(1))
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between searches for more subprocesses to avoid
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spending 100% CPU searching for targets.
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-- This is the final ./cpulimit-all.sh option. All following
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options are for another program we will launch.
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-h, --help display this help and exit
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OPTIONS forwarded to CPUlimit
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-c, --cpu=N override the detection of CPUs on the machine.
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-l, --limit=N percentage of cpu allowed from 1 up.
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Usually 1 - 800, but can be higher
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on multi-core CPUs (mandatory)
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-q, --quiet run in quiet mode (only print errors).
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(Also suppresses messages from ./cpulimit-all.sh.)
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-k, --kill kill processes going over their limit
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instead of just throttling them.
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-r, --restore Restore processes after they have
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been killed. Works with the -k flag.
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-s, --signal=SIG Send this signal to the watched process when cpulimit exits.
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Signal should be specificed as a number or
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SIGTERM, SIGCONT, SIGSTOP, etc. SIGCONT is the default.
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-v, --verbose show control statistics
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```
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