1psi2log(1) General Commands Manual psi2log(1)
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6 psi2log - PSI metrics monitor and logger
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9 psi2log [OPTION]...
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12 psi2log is a CLI tool that can check and log PSI metrics from specified
13 target. psi2log is part of nohang package.
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16 -h, --help
17 show this help message and exit
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19 -t TARGET, --target TARGET
20 target (cgroup_v2 or SYTSTEM_WIDE)
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22 -i INTERVAL, --interval INTERVAL
23 interval in sec
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25 -l LOG, --log LOG
26 path to log file
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28 -m MODE, --mode MODE
29 mode (1 or 2)
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31 -s SUPPRESS_OUTPUT, --suppress-output SUPPRESS_OUTPUT
32 suppress output
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35 $ psi2log
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37 $ psi2log --mode 2
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39 $ psi2log --target /user.slice --interval 1.5 --log psi.log
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42 Sending SIGTERM, SIGINT, SIGQUIT or SIGHUP signals to the psi2log
43 process causes it displays peak values and exits..
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46 Please ask any questions and report bugs at
47 <https://github.com/hakavlad/nohang/issues>.
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50 Written by Alexey Avramov <hakavlad@gmail.com>.
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53 Homepage is <https://github.com/hakavlad/nohang>.
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56 oom-sort(1), psi-top(1), nohang(8)
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60 psi2log(1)