psi2log.manpage.md

% psi2log(1) | General Commands Manual

NAME

psi2log - PSI metrics monitor and logger

SYNOPSIS

psi2log [OPTION]...

DESCRIPTION

psi2log is a CLI tool that can check and log PSI metrics from specified target. psi2log is part of nohang package.

OPTIONS

-h, --help

show this help message and exit

-t TARGET, --target TARGET

target (cgroup_v2 or SYTSTEM_WIDE)

-i INTERVAL, --interval INTERVAL

interval in sec

-l LOG, --log LOG

path to log file

-m MODE, --mode MODE

mode (0, 1 or 2)

-s SUPPRESS_OUTPUT, --suppress-output SUPPRESS_OUTPUT

suppress output

EXAMPLES

$ psi2log

$ psi2log --mode 2

$ psi2log --target /user.slice --interval 1.5 --log psi.log

SIGNALS

Sending SIGTERM, SIGINT, SIGQUIT or SIGHUP signals to the psi2log process causes it displays peak values and exits..

REPORTING BUGS

Please ask any questions and report bugs at https://github.com/hakavlad/nohang/issues.

AUTHOR

Written by Alexey Avramov hakavlad@gmail.com.

HOMEPAGE

Homepage is https://github.com/hakavlad/nohang.

SEE ALSO

oom-sort(1), psi-top(1), nohang(8)