HPjmeter 4.2 User's Guide

Open and Cached Sessions........................................................................................................96
Time Slice Entries.......................................................................................................................96
Saving Data................................................................................................................................96
Console Tool Bar Buttons................................................................................................................97
Console Menu Choices....................................................................................................................97
The Monitor Menu.....................................................................................................................98
Console Guide.................................................................................................................................99
Status Bar.......................................................................................................................................100
Setting Monitoring Session Preferences .............................................................................................100
Specifying Metrics to Collect for Monitoring................................................................................100
Enabling Monitoring Alerts...........................................................................................................101
Specifying Filters for Monitoring .................................................................................................102
Editing Filters...........................................................................................................................102
Adding Filters...........................................................................................................................102
Specifying Filter Sets................................................................................................................103
Viewing Monitoring Data in HPjmeter...............................................................................................103
Using Alerts........................................................................................................................................103
Using the Alert Controller.............................................................................................................105
Viewing a Log of the Alert History..........................................................................................107
Editing E-mail Notification Attributes..........................................................................................107
Responding to Alerts.....................................................................................................................108
Abnormal Thread Termination Alert.......................................................................................108
Uncaught Exception Statistics.............................................................................................109
Excessive Compilation Alert....................................................................................................110
Expected Out Of Memory Error Alert......................................................................................110
GC Duration Notification.........................................................................................................110
Heap Usage Notification..........................................................................................................111
Java Collection Leak Locations Alert.......................................................................................111
Array Leak Locations Alert......................................................................................................112
Process CPU Usage Alert.........................................................................................................113
System CPU Usage Alert..........................................................................................................114
Thread Deadlock Alert.............................................................................................................115
Unfinalized Queue Growth......................................................................................................115
8 Using Visualizer Functions .......................................................................................116
Visualizer Behavior When Monitoring Behavior or Analyzing Data.................................................116
Locating Information About a JVM and its Environment..................................................................117
Using Monitoring Displays.................................................................................................................117
Monitor Code and/or CPU Activity Menu....................................................................................118
Java Method HotSpots..............................................................................................................118
Guidelines...........................................................................................................................119
Details..................................................................................................................................119
Thrown Exceptions...................................................................................................................120
Thrown Exceptions with Stack Traces......................................................................................120
Monitor Memory and/or Heap Activity Menu.............................................................................122
Heap Monitor...........................................................................................................................122
Guidelines...........................................................................................................................122
Details..................................................................................................................................123
Garbage Collections..................................................................................................................123
Guidelines...........................................................................................................................124
Details..................................................................................................................................124
GC Duration.............................................................................................................................124
Guidelines...........................................................................................................................124
Details..................................................................................................................................125
Percentage of Time Spent in Garbage Collection.....................................................................125
6 Table of Contents