Sysstat 10.1.2 发布，改进：
A new field has been added to sar -u and mpstat: %gnice (time spent running a niced guest).
A new field has been added to sar -r: kbdirty (amount of memory waiting to get written back to disk).
Support has been added for the systemd service manager.
The Sysstat init script has been updated to make it better conform to the LSB
有关Sysstat安装与简单使用，请移步：监测Linux系统性能及效率：sysstat
Ps.iostat：查看CPU使用率及硬盘吞吐率