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2.4 KiB
2.4 KiB
sysstat
Table of contents
TL;DR
# Get all the available stats.
sudo sar -P ALL
Installation example
sudo apt install sysstat
sudo yum install sysstat
sudo sed -i.bak 's/ENABLED="false"/ENABLED="true"/' /etc/default/sysstat
sudo systemctl enable --now sysstat.service
sudo systemctl restart sysstat.service
# Wait some time (15-20 mins) for some data to be collected.
sudo sar -P ALL
Example output:
Linux 5.10.17-v8+ (raspberrypi) 07/08/21 _aarch64_ (4 CPU)
10:24:12 LINUX RESTART (4 CPU)
10:25:01 CPU %user %nice %system %iowait %steal %idle
10:35:01 all 0.01 68.97 0.30 0.00 0.00 30.72
10:35:01 0 0.00 91.70 0.20 0.00 0.00 8.09
10:35:01 1 0.00 91.79 0.04 0.00 0.00 8.16
10:35:01 2 0.00 91.96 0.04 0.00 0.00 8.00
10:35:01 3 0.03 0.30 0.91 0.00 0.00 98.76
10:35:01 CPU %user %nice %system %iowait %steal %idle
10:45:01 all 0.09 68.96 0.31 0.00 0.00 30.65
10:45:01 0 0.00 91.88 0.12 0.00 0.00 8.00
10:45:01 1 0.00 54.26 0.49 0.00 0.00 45.25
10:45:01 2 0.00 91.74 0.04 0.00 0.00 8.22
10:45:01 3 0.35 37.90 0.57 0.00 0.00 61.17
Average: CPU %user %nice %system %iowait %steal %idle
Average: all 0.05 68.97 0.30 0.00 0.00 30.68
Average: 0 0.00 91.79 0.16 0.00 0.00 8.05
Average: 1 0.00 73.03 0.27 0.00 0.00 26.70
Average: 2 0.00 91.85 0.04 0.00 0.00 8.11
Average: 3 0.19 19.11 0.74 0.00 0.00 79.96