HPjmeter Version 3.1 User's Guide

List of Figures

3-1 Heap Display Showing Possible Memory Leak Behavior

3-2 Thread Deadlock Example Display

4-1 Example Metric: Percentage of Time Spent in Garbage Collection When Application Behavior is Normal

4-2 Example Metric: Percentage of Time Spent in Garbage Collection When Application Shows Potential Memory Leak

4-3 Example Metric: Method Compilation Count

4-4 Main Console Showing an Expanded JMX Server Node in an Open Session

4-5 Appearance of the Summary JMX Viewer When First Opened

4-6 JMX Viewer with Summary Memory Tab Selected

4-7 JMX Viewer with Summary Threads Tab Open

4-8 Default View When Server JMX Viewer is Opened

4-9 MBean Attribute Tab Open for Display

4-10 MBean Operations Tab Open for Display

4-11 MBean Notifications Tab Open for Display

4-12 MBean Information Tab Open for Display

5-1 Pie Chart Showing Percent Time Spent in Various States for a Given Thread

5-2 Multiple Nodes Exposed in Call Graph Tree Display Showing Visitation Color Coding

6-1 Summary Panel Showing Garbage Collection Statistics

6-2 Summary Panel Showing System Details for a Period of Xverbosegc Data Collection

7-1 The Main Console Window

7-2 Main Pane with Several File Types Loaded and an Open Session

7-3 Console Guide Location and First Screen

7-4 Metric Preferences Window

7-5 Enable or Disable Alerts Window

7-6 Appearance of Alert Notices in the Main Console Pane

7-7 Alert Controller Window

7-8 Example Alert Log

7-9 Example Alert Notification Editor

7-10 Abnormal Thread Termination Alert Visualizer

7-11 Memory Leak Locations Visualizer

8-1 The Profiling Data Viewer

8-2 The Garbage Collection Data Viewer

8-3 Monitoring Metric: Java Methods HotSpots with Confidence Interval Graphically Displayed for Each Method

8-4 Monitoring Metric: Thrown Exceptions with Stack Traces

8-5 Monitoring Metric: Heap Monitor

8-6 Monitoring Metric: Garbage Collections

8-7 Monitoring Metric: Percentage of Time Spent in Garbage Collection

8-8 Monitoring Metric: Allocated Object Statistics by Class

8-9 Monitoring Metric: Allocating Method Statistics

8-10 Monitoring Metric: Current Live Heap Objects

8-11 Copying Current Live Heap Objects Data into Buffer

8-12 Monitoring Metric: Thread Histogram

8-13 Monitoring Metric: Lock Contention

8-14 Monitoring Metric: Method Compilation Count

8-15 Monitoring Metric: Loaded Classes

8-16 Percent CPU Utilization for System and Processes

8-17 Threads Histogram with Pie Chart

8-18 Threads Groups Histogram

8-19 GC Metric: Allocation Site Statistics

8-20 GC Metric: Heap Usage After GC

8-21 GC Metric: Duration

8-22 GC Metric: Cumulative Allocation

8-23 GC Metric: Creation Rate

8-24 User-Defined Comparisons of GC Metrics

8-25 Finding an Item

8-26 Using the Pause Clock

8-27 The View Menu Selections in the GC Viewer

8-28 Specialized GC Graph with Area Selected for Finer Resolution

8-29 New Resolution After Selection

8-30 Resolution After Interval Applied to All Metrics

8-31 Using the Color Changer on Histogram Displays

9-1  Early Indicator of Possible Memory Leak Using Garbage Collections Visualizer

9-2 Early Indicator of Possible Memory Leak Using Heap Monitor Display