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.\" ======================================================================
.\"
.IX Title "ISAG 1"
.TH ISAG 1 "0.81.0" "March 2004" "System Activity Grapher"
.UC
.SH "NAME"
isag \- Interactive System Activity Grapher
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
isag [\-p datafiles_path] [\-c config_file] [\-ght gr_height] [\-gwd gr_width]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fIisag\fR command graphically displays the system activity data stored
in a binary data file by a previous \fIsar\fR run. The \fIisag\fR command invokes
\&\fIsar\fR to extract the data to be plotted.
.PP
The data are processed using \fIsar\fR command and slightly transformed
to tabular format, and then this format is visualized using \fIgnuplot\fR
program.
.SH "OPTIONS"
.IX Header "OPTIONS"
.Ip "\-p datafiles_path" 4
.IX Item "-p datafiles_path"
Specify the pathname where are located the daily data files.
Default path is: \fI/var/log/sa\fR
.Ip "\-c config_file" 4
.IX Item "-c config_file"
Specify the configuration file used by the \fIisag\fR command. 
The contents of this file may depend on \fIisag\fR version number.
Default config file is: \fI$HOME/.isag.cfg\fR.
.Ip "\-ght gr_height" 4
.IX Item "-ght gr_height"
Specify the height of the chart area. 
Default value is: \fI400\fR.
.Ip "\-gwd gr_width" 4
.IX Item "-gwd gr_width"
Specify the width of the chart area. 
Default value is: \fI720\fR.
.SH "CONFIG FILE"
.IX Header "CONFIG FILE"
As mentioned above there is a config file. There are stored following values:
.Ip "last showed graph" 2
.IX Item "last showed graph"
.Ip "y limits for each kind of graph" 2
.IX Item "y limits for each kind of graph"
.PP
It seems useful, because new run doesn't need new settings to obtain same scale.
.SH "PREREQUSITIES"
.IX Header "PREREQUSITIES"
Here is list of prerequsities including versioning and built-in features.
.Ip "Tcl/Tk"
.IX Item "Tcl/Tk"
Version 8.0 or newer.
.Ip "gnuplot"
.IX Item "gnuplot"
Gnuplot must have a \fBtkcanvas\fR display.
.SH "AUTHOR"
.IX Header "AUTHOR"
D. Doubrava 2000, 2002 e-mail:\ linux_monitor(at)volny(dot)cz
.PP
\&\s-1HTTP\s0 Site: http://www.volny.cz/linux_monitor/isag/index.html
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBsar\fR (1), \fBsadc\fR (8).