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Top Forums UNIX for Advanced & Expert Users How is system load determined? Post 11756 by Neo on Tuesday 11th of December 2001 06:40:29 PM
Old 12-11-2001
Quote:
System Load Average (SLA). It is important to note that the SLA can only be used as a rough indicator as it does not take scheduling priority into account . It also counts as runnable all jobs waiting for disk I/O, including NFS I/O. However, uptime is a good place to start when trying to determine whether a bottleneck is CPU or I/O based.
The extract above is from this paper..... CLICK HERE.
 

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TLOAD(1)							Linux User's Manual							  TLOAD(1)

NAME
tload - graphic representation of system load average SYNOPSIS
tload [-V] [-s scale] [ -d delay ] [tty] DESCRIPTION
tload prints a graph of the current system load average to the specified tty (or the tty of the tload process if none is specified). Options The -s scale option allows a vertical scale to be specified for the display (in characters between graph ticks); thus, a smaller value rep- resents a larger scale, and vice versa. The -d delay sets the delay between graph updates in seconds. FILES
/proc/loadavg load average information SEE ALSO
ps(1), top(1), uptime(1), w(1) BUGS
The -d delay option sets the time argument for an alarm(2); if -d 0 is specified, the alarm is set to 0, which will never send the SIGALRM and update the display. AUTHORS
Branko Lankester, David Engel <david@ods.com>, and Michael K. Johnson <johnsonm@redhat.com>. Please send bug reports to <albert@users.sf.net> Cohesive Systems 20 Mar 1993 TLOAD(1)
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