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This view allows you to track selected elements from other views and show graphs with a time axis to
follow the chronological evolution of selected measurements.
When you click on the  [Record probe tracker data]
button, a dialog is shown that offers to track the following element types:
- Control objects
If the current probe has control objects, you can select one or more control objects to create a graph
in the tracker. The graph will show separate feeds for the average execution times of all different event types.
For example, the "file" probe will show "Read", "Write", "Channel read" and "Channel write" feeds.
The following measurements can be tracked:
- Event Times
The average duration of events for the selected control objects per second.
- Event Counts
The average event counts for the selected control objects per second.
- Event Throughputs
The average throughput for the selected control objects per second in bytes. This is only available for selected probes, e.g. for the
"Files", "Sockets" and "Processes" probe.
- Hot Spots
If the current probe has hot spots, you can select one or more hot spots to create a graph
in the tracker. The graph will show separate feeds for the different time types:
- Runnable
- Waiting
- Blocked
- Net IO
The following measurements can be tracked:
- Hot Spot Times
The average time for the execution of the selected hot spots per second.
- Hot Spot Counts
The average invocation counts for the execution of the selected hot spots per second.
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[Add] button to
show the selection dialog again and add more tracker graphs. The
[Remove] button stops tracking
for the currently displayed graph and removes the graph from the tracker view.