Sysstat

Overview

 * The SYSSTAT Utilities Home Page
 * GitHub
 * Tutorial
 * Documentation
 * Gentoo Package:

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)

Installation
First ensure that you have the desired use flags enabled/disabled:

The desired USE flags should be added to or :

Once the USE flags have been selected emerge :

This 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:


 * HISTORY
 * How long to keep log files (in days). If value is greater than 28, then log files are kept in multiple directories, one for each month.
 * Suggested Value: 365
 * Affected Commands
 * sa1
 * sa2


 * COMPRESSAFTER
 * Compress (using gzip or bzip2) sa and sar files older than (in days)
 * Suggested Value: 10
 * Affected Commands
 * sa2


 * SADC_OPTIONS
 * Parameters for the system activity data collector (see sadc manual page) which are used for the generation of log files.
 * Suggested Value: -S XALL</tt>
 * Affected Commands
 * sa1</tt>

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.