isag - Interactive System Activity Grapher
isag [-p datafiles_path] [-c config_file] [-ght gr_height] [-gwd
The isag command graphically displays the system activity data stored
in a binary data file by a previous sar run. The isag command invokes
sar to extract the data to be plotted.
The data are processed using sar command and slightly transformed to
tabular format, and then this format is visualized using gnuplot
Specify the pathname where are located the daily data files.
Default path is: /var/log/sysstat
Specify the configuration file used by the isag command. The
contents of this file may depend on isag version number. Default
config file is: $HOME/.isag.cfg.
Specify the height of the chart area. Default value is: 400.
Specify the width of the chart area. Default value is: 720.
As mentioned above there is a config file. There are stored following
last showed graph
y limits for each kind of graph
It seems useful, because new run doesn’t need new settings to obtain
Here is list of prerequsities including versioning and built-in
Tcl/Tk Version 8.0 or newer.
Gnuplot must have a tkcanvas display.
D. Doubrava 2000, 2002 e-mail: linux_monitor(at)volny(dot)cz
HTTP Site: http://www.volny.cz/linux_monitor/isag/index.html
sar (1), sadc (8).