---
name: "psi2log"
section: "1"
platform: "linux"
package: "nohang"
version: "0.2.0-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/psi2log"
---

# psi2log(1)

PSI metrics monitor and logger

## 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 (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)](/oom-sort/1.md), [psi-top(1)](/psi-top/1.md), [nohang(8)](/nohang/8.md)