xload Man page

XLOAD(1) General Commands Manual XLOAD(1)

NAME

xload – system load average display for X

SYNOPSIS

xload [-toolkitoption …] [-scale integer] [-update seconds] [-hl
color] [-highlight color] [-remote host] [-jumpscroll pixels] [-label string] [-nolabel] [-lights]

DESCRIPTION

The xload program displays a periodically updating histogram of the
system load average.

OPTIONS

Xload accepts all of the standard X Toolkit command line options (see
X(7)). The order of the options is unimportant. xload also accepts
the following additional options:

-hl color or -highlight color
This option specifies the color of the scale lines.

-jumpscroll number of pixels
The number of pixels to shift the graph to the left when the
graph reaches the right edge of the window. The default value
is 1/2 the width of the current window. Smooth scrolling can
be achieved by setting it to 1.

-label string
The string to put into the label above the load average.

-nolabel
If this command line option is specified then no label will be
displayed above the load graph.

-lights When specified, this option causes xload to display the current
load average by using the keyboard leds; for a load average of
n, xload lights the first n keyboard leds. This option turns
off the usual screen display.

-scale integer
This option specifies the minimum number of tick marks in the
histogram, where one division represents one load average
point. If the load goes above this number, xload will create
more divisions, but it will never use fewer than this number.
The default is 1.

-update seconds
This option specifies the interval in seconds at which xload
updates its display. The minimum amount of time allowed
between updates is 1 second. The default is 10.

-remote host
This option tells xload to display the load of host instead of
localhost. Xload gets the information from the rwhod database
and consequently requires rwhod to be executing both on local‐
host and host.

RESOURCES
In addition to the resources available to each of the widgets used by
xload there is one resource defined by the application itself.

showLabel (class Boolean)
If False then no label will be displayed.

WIDGETS
In order to specify resources, it is useful to know the hierarchy of
the widgets which compose xload. In the notation below, indentation
indicates hierarchical structure. The widget class name is given
first, followed by the widget instance name.

XLoad xload
Paned paned
Label label
StripChart load

ENVIRONMENT
DISPLAY to get the default host and display number.

XENVIRONMENT
to get the name of a resource file that overrides the global
resources stored in the RESOURCE_MANAGER property.

FILES
/etc/X11/app-defaults/XLoad
specifies required resources

SEE ALSO

X(7), xrdb, mem(4), Athena StripChart Widget.

BUGS

On older platforms, this program may require the ability to open and
read the special system file /dev/kmem. Sites that do not allow gen‐
eral access to this file may need to make xload belong to the same
group as /dev/kmem and turn on the set group id permission flag.

Reading the load average is inherently non-portable. Therefore, the
routine used to read it (get_load.c) must be ported to each new operat‐
ing system.

COPRYRIGHT

Copyright © X Consortium
See X(7) for a full statement of rights and permissions.

AUTHORS
K. Shane Hartman (MIT-LCS) and Stuart A. Malone (MIT-LCS);
with features added by Jim Gettys (MIT-Athena), Bob Scheifler (MIT-
LCS), Tony Della Fera (MIT-Athena), and Chris Peterson (MIT-LCS).

X Version 11 xload 1.1.2 XLOAD(1)

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