sysstat Package
sysstat 介绍
The sysstat package provides utilities for Linux system performance monitoring.
mpstat
Reports individual or combined CPU related statistics.
iostat
Reports CPU statistics and I/O statistics for devices, partitions, and the network file system.
pidstat
Reports statistics for Linux processes, including disk I/O, CPU and memory usage.
tapestat
Reports statistics for tape drives connected to the system.
cifsiostat
Reports statistics on shared file systems, printers, or serial ports over a network.
sar
Collects, reports, and saves system activity information (such as CPU, memory, disks, and network interfaces usage statistics).

sysstat 安装
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