Sysstat

The sysstat utilities are a collection of performance monitoring tools for Linux; they are front-ends to the kernel's proc filesystem. These include sar, sadf, mpstat, iostat, nfsiostat-sysstat, cifsiostat, pidstat and sa tools. Sysstat was written by Sebastien Godard.

Installation
First ensure the desired USE flags for have been enabled or disabled before installation:

Add or remove the desired USE flags to or :

Once the USE flags have been selected, emerge :

Kernel configuration
In order for the SYSSTAT utilities to work properly the following options must be made accessable in the kernel

Configuration
The file influences the behavior of  and (sadc(8))  (sar(1)). This file sourced from and it's syntax should thus conform to IEEE Std 1003.1.

The following variables will have some effect:

Statistics Collection and Aggregation
Statistics collection can be achieved by periodical execution of (which invokes ) and  (which invokes ).

The common approach is to use or.

Examples
Coming soon...

External Resources

 * The SYSSTAT Utilities Home Page
 * The SYSSTAT source code repository on GitHub
 * Official tutorials on how to use SYSSTAT
 * Official SYSSTAT Documentation

Man pages

 * cifsiostat(1)
 * iostat(1)
 * isag(1)
 * mpstat(1)
 * nfsiostat(1)
 * pidstat(1)
 * sadf(1)
 * sar(1)
 * sysstat(5)
 * sa1(8)
 * sa2(8)
 * sadc(8)