Graphs are defined using XML, and then imported into MEM. The
new custom graph will now be displayed with the built-in graphs,
which are sorted by name within the graph
tab.
The XML elements for creating a graph are as follows:
version
The version number of the graph. Generally only important
with the bundled graphs, and is only used internally.
uuid
The unique id of the graph. Each revision (version)
requires a new uuid, which is only used internally.
name
The visible graph name, which is displayed within the
graph listing. Note: graphs are sorted alphabetically.
frequency
Optionally define the frequency for the graph, which
defaults to 1 minute. May use seconds, minutes, hours, and
days.
rangeLabel
The Y-axis range label. For example, a graph about disk
space usage may use MB.
series
Each series contains a label and an expression. The label
is the visible name of the series, and the simple
expression defines it.
variables
Each variables definition contains a name, instance, and
dcItem element. The instance defines what the graph will
act upon, and each dcItem element contains a nameSpace,
className, and attribName:
nameSpace
Namespace (type) of the data collection item.
className
Class (namespace type) of the data collection item.
attribName
Attribute name of the data collection item.
See the listing of data
collection items for available nameSpace,
className, and attribName items.
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