sysstat
Linuxのパフォーマンスチューニングをするためのツール
sar: collects and reports system activity information;
iostat: reports CPU utilization and disk I/O statistics;
tapestat: reports statistics for tapes connected to the system;
mpstat: reports global and per-processor statistics;
pidstat: reports statistics for Linux tasks (processes);
sadf: displays data collected by sar in various formats;
cifsiostat: reports I/O statistics for CIFS filesystems.
code: bash
sudo apt install -y sysstat