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Full Discussion: CPU usage script
Top Forums Shell Programming and Scripting CPU usage script Post 302844295 by Scrutinizer on Sunday 18th of August 2013 08:49:54 AM
Old 08-18-2013
Besides the idle column, there are other columns in that top output that also indicate idle time, so you may need to add those as well. Also you need to consider the time span in which the CPU Usage took place. If it is just 5 seconds (checking every 5 seconds may put extra load on your system) then is that bad? Also the time of day may matter..
 

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WMSMPMON(1)						      General Commands Manual						       WMSMPMON(1)

NAME
wmSMPmon - Window Maker System Monitor SYNOPSIS
wmSMPmon [options] DESCRIPTION
wmSMPmon is a Window Maker dock application that displays the following information about the system: - Current CPU utilization of up to two CPUs - Up to two minutes history of CPU utilization - Current memory usage - Current swap usage On dual CPU systems, wmSMPmon has three different styles for the utilization graph. To toggle between them just click into the graph. OPTIONS
All options start with one dash. -h Show summary of options. -r REFRESH_RATE Set the refresh rate of the graph in microseconds. The default is 250000 (a quarter of a second). -g GRAPH_STYLE Start using graph style #[1-3] (only on dual CPU systems). Style 1 shows the utiliziation in one graph, while 2 and 3 are split in two little graphs. Style 2 shows the two graphs on top of each other. Style 3 uses a mirror like type. The default style is 1, which is also the style used on single CPU systems. -c1 IDX, -c2 IDX On systems with more than 2 CPUs, select the CPUs to show. Per default CPU number 1 and 2 are shown. On a quad CPU systems you may launch second wmSMPmon showing CPUs number 3 and 4. -no-swap Do not monitor swap. SEE ALSO
wmaker(1x) AUTHOR
This manual page was originally written by Alain Schroeder <alain@debian.org> and adapted for wmSMPmon 3 by Thomas Ribbrock <emgaron@gmx.net> WMSMPMON(1)
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