org.opends.server.plugins.profiler

Class ProfileViewer

java.lang.Object

org.opends.server.plugins.profiler.ProfileViewer

All Implemented Interfaces:

EventListener, TreeSelectionListener

public class ProfileViewer
extends Object
implements TreeSelectionListener

This class defines a Directory Server utility that may be used to view profile information that has been captured by the profiler plugin. It supports viewing this information in either a command-line mode or using a simple GUI.

Constructor Summary

Constructors

Constructor and Description
ProfileViewer() Creates a new profile viewer object without any data.

Method Summary

Modifier and Type	Method and Description
void	displayGUI() Displays a simple GUI with the profile data.
ProfileStackFrame[]	getRootFrames() Retrieves an array containing the root frames for the profile information.
long	getTotalDuration() Retrieves the total duration in milliseconds covered by the profile data.
long	getTotalIntervals() Retrieves the total number of sample intervals for which profile data is available.
static void	main(String[] args) Parses the command-line arguments and creates an instance of the profile viewer as appropriate.
void	printProfileData() Prints the profile information to standard output in a human-readable form.
void	processDataFile(String filename) Reads and processes the information in the provided data file into this profile viewer.
void	valueChanged(TreeSelectionEvent tse) Indicates that a node in the tree has been selected or deselected and that any appropriate action should be taken.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProfileViewer

public ProfileViewer()

Creates a new profile viewer object without any data. It should be populated with one or more calls to processDataFile

Method Detail

main

public static void main(String[] args)

Parses the command-line arguments and creates an instance of the profile viewer as appropriate.

Parameters:

args - The command-line arguments provided to this program.

processDataFile

public void processDataFile(String filename)
                     throws IOException

Reads and processes the information in the provided data file into this profile viewer.

Parameters:

filename - The path to the file containing the data to be read.

Throws:

IOException - If a problem occurs while trying to read from the data file.

getRootFrames

public ProfileStackFrame[] getRootFrames()

Retrieves an array containing the root frames for the profile information. The array will be sorted in descending order of matching stacks. The elements of this array will be the leaf method names with sub-frames holding information about the callers of those methods.

Returns:

An array containing the root frames for the profile information.

getTotalIntervals

public long getTotalIntervals()

Retrieves the total number of sample intervals for which profile data is available.

Returns:

The total number of sample intervals for which profile data is available.

getTotalDuration

public long getTotalDuration()

Retrieves the total duration in milliseconds covered by the profile data.

Returns:

The total duration in milliseconds covered by the profile data.

printProfileData

public void printProfileData()

Prints the profile information to standard output in a human-readable form.

displayGUI

public void displayGUI()

Displays a simple GUI with the profile data.

valueChanged

public void valueChanged(TreeSelectionEvent tse)

Indicates that a node in the tree has been selected or deselected and that any appropriate action should be taken.

Specified by:

valueChanged in interface TreeSelectionListener

Parameters:

tse - The tree selection event with information about the selection or deselection that occurred.