VM Telemetry Window

Use to view high-level data on thread activity and memory heap and garbage collection in the VM. The VM Telemetry window typically opens in the editor area.

Element Description

Export

Export icon.

Exports the results as a text file.

Save Current View

Save Current View icon.

Saves the results as a .png image file.

Zoom In

Zoom In icon.

Increases the detail of the graph.

Zoom Out

Zoom Out icon.

Decreases the detail of the graph.

Scale To Fit

Scale to Fit icon.

Toggles between a scalable view and a fixed-scale view.


The VM Telemetry window contains tabs with graphs displaying data on the following processes:

Element Description

Threads / Loaded Classes

Displays the total number of threads in the profiled application JVM.

Place your cursor over the graph to display a tooltip with information about the current and maximum number of threads.

Memory (Heap)

Displays the total and used size. These are the figures that a Java application can obtain using the java.lang.Runtime.totalMemory() and java.lang.Runtime.freeMemory() calls.

Place your cursor over the graph to view more detailed information about memory usage at that point in time.

Memory (GC)

Displays displays the relative time spent in garbage collection and the number of surviving generations.

Place your cursor over the graph to view more detailed information about garbage collection statistics at that point in time.



Related Topics

Developing Applications with NetBeans IDE,

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