The sysstat package contains utilities to monitoring system metrics performance and usage activity.
| Utility | Description |
|---|---|
| iostat | reports CPU statistics and input/output statistics for devices, partitions and network filesystems |
| mpstat(1) | reports individual or combined processor related statistics. |
| pidstat(1) | reports statistics for Linux tasks (processes) : I/O, CPU, memory, etc. |
| sar(1) | collects, reports and saves system activity information (CPU, memory, disks, interrupts, network interfaces, TTY, kernel tables,etc.) |
| sadc(8) | is the system activity data collector, used as a backend for sar. |
| sa1(8) | collects and stores binary data in the system activity daily data file. It is a front end to sadc designed to be run from cron. |
| sa2(8) | writes a summarized daily activity report. It is a front end to sar designed to be run from cron. |
| sadf(1) | displays data collected by sar in multiple formats (CSV, XML, etc.) This is useful to load performance data into a database, or import them in a spreadsheet to make graphs. |
| sysstat(5) | is just a manual page for sysstat configuration file, giving the meaning of environment variables used by sysstat commands. |
| nfsiostat(1) | reports input/output statistics for network filesystems (NFS). |
| cifsiostat(1) | reports CIFS statistics. |
yum -y install sysstat
where: