A chart to display hierarchical data.
This chart expects tabular data with 2 or 3 columns. Column three is optional but must contain a number when present. It interprets the first column as the parent node and the second column as the child node. The value of the third optional column is displayed when hovering over a child node. You can click on non-leaf nodes to expand or collapse tree/subtrees. If the values in the first and second columns are equal for a row of data, that row will be discarded.
index=main source="t2.json"
| rename Event.EventData.ParentProcessName as parent, Event.EventData.NewProcessName as child, Event.EventData.ProcessId as parent_id, Event.EventData.NewProcessId as child_id
| eval parent = if(parent = "", parent_id, parent . " - " . parent_id), child = if(child = "", child_id, child . " - " . child_id)
| table parent, child
| makeresults
| eval s="p1,p2,12.1-p1,p3,33-p4,p5-p3,p4-p5,p6-p3,p7-p8,p9-p9,p10-p8,p11-p3,p7-p1,p2-p1,p2-p1,p1-p7,p11-p12,p13-p13,p14-p12,p15-p15,p16-p13,p17-p15,p18"
| eval s=split(s, "-")
| mvexpand s
| eval s=split(s, ",")
| eval parent=mvindex(s,0), child=mvindex(s,1), optional_child_value=mvindex(s,2)
| table parent, child, optional_child_value
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