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82 lines
2.4 KiB
Markdown
82 lines
2.4 KiB
Markdown
# sysstat
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## Table of contents <!-- omit in toc -->
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1. [TL;DR](#tldr)
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1. [Installation example](#installation-example)
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1. [Further readings](#further-readings)
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1. [Sources](#sources)
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## TL;DR
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```sh
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# Get all the available stats.
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sudo sar -P ALL
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```
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## Installation example
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```sh
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sudo apt install sysstat
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sudo yum install sysstat
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sudo sed -i.bak 's/ENABLED="false"/ENABLED="true"/' /etc/default/sysstat
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sudo systemctl enable --now sysstat.service
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sudo systemctl restart sysstat.service
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# Wait some time (15-20 mins) for some data to be collected.
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sudo sar -P ALL
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```
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Example output:
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```txt
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Linux 5.10.17-v8+ (raspberrypi) 07/08/21 _aarch64_ (4 CPU)
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10:24:12 LINUX RESTART (4 CPU)
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10:25:01 CPU %user %nice %system %iowait %steal %idle
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10:35:01 all 0.01 68.97 0.30 0.00 0.00 30.72
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10:35:01 0 0.00 91.70 0.20 0.00 0.00 8.09
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10:35:01 1 0.00 91.79 0.04 0.00 0.00 8.16
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10:35:01 2 0.00 91.96 0.04 0.00 0.00 8.00
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10:35:01 3 0.03 0.30 0.91 0.00 0.00 98.76
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10:35:01 CPU %user %nice %system %iowait %steal %idle
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10:45:01 all 0.09 68.96 0.31 0.00 0.00 30.65
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10:45:01 0 0.00 91.88 0.12 0.00 0.00 8.00
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10:45:01 1 0.00 54.26 0.49 0.00 0.00 45.25
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10:45:01 2 0.00 91.74 0.04 0.00 0.00 8.22
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10:45:01 3 0.35 37.90 0.57 0.00 0.00 61.17
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Average: CPU %user %nice %system %iowait %steal %idle
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Average: all 0.05 68.97 0.30 0.00 0.00 30.68
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Average: 0 0.00 91.79 0.16 0.00 0.00 8.05
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Average: 1 0.00 73.03 0.27 0.00 0.00 26.70
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Average: 2 0.00 91.85 0.04 0.00 0.00 8.11
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Average: 3 0.19 19.11 0.74 0.00 0.00 79.96
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```
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## Further readings
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- [tutorial]
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[tutorial]: http://sebastien.godard.pagesperso-orange.fr/tutorial.html
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## Sources
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- [webpage]
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- [github page]
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<!--
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References
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-->
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<!-- Upstream -->
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[github page]: https://github.com/sysstat/sysstat
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<!-- Others -->
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[webpage]: http://sebastien.godard.pagesperso-orange.fr/
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