Thread Analysis view

The Thread Analysis view displays statistics about the thread count, state, and interactions. It provides detailed information such as the number of classes and threads loaded, the number of instances that are alive, and the thread interaction for every class. Thread analysis statistics are available at the class level.

Display

This view is made of a table where the first column presents the list of items. The display modes available are based on a list of classes Picture of the Classes icon. These classes are the necessary object types.

Statistics displayed for each object type

The data displayed depends what object type is selected. The statistics available for each object are summarized in the table below.

Column heading Class statisticsIcon for class

State

The state of the listed thread (running, sleeping, waiting, blocked).

 Accumulated by class
Note: The totals shown in this view represent only the data that has been collected since you started monitoring your process. If you start monitoring your process half way through the execution, you will only see the totals from the point that you started monitoring.

For information on how to access the Profiling Types page for a profiling set, see the following tutorial: Analyzing the profiling data from a Java™ process.

Display symbols

  • The delta icons Picture of a delta icon with the up arrow and Picture of a delta icon with the down arrow indicate that there is a change in the numeric value (increase or decrease respectively) for that particular cell since the last time the table was refreshed.
  • The diamond stylized diamond icon indicates new occurrences since the last time the Refresh Views button A button with stylized icon from the Profiling Monitor view was pressed.

Controls

Table 1. Toolbar controls
Icon Definition
Icon for package Display the package statistics.
Icon for class Display the class statistics.
Icon for instance Display the instance statistics.
Open source icon Open the source of a selected item.
% icon Shows the percentage of memory allocated.
delta Shows the change in each numeric column since the last refresh.
A button with stylized icon Filter objects based on time, size, total instances, or other criteria.
Export icon Export the data to a file.
A button with stylized icon A button with stylized icon Select the columns to be displayed, or sort icon Sort by column.
Table 2. Pop-up menu controls
Icon Definition
Refresh Views icon Refresh the view.
Choose column icon Choose the columns to display.
Open source icon Open the source of a selected item.

Column controls

Click the title of a column to sort it. Click the title of the column again to sort it in reverse order. The title of the column is prefixed with > if the column is sorted in ascending order or with < if it is sorted in descending order.

Columns can be hidden or shown.

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