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- About the Activity workspace
- How the Activity workspace is structured
- About the Activity workspace analysis tabs
- How the to identify performance problems in the Tree View
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Selecting a node displays information in context for that node and it’s underlying call path in the analysis tabs in the Association area. See “About About the Association area” on page 25area.
Viewing information in the Main area
By default, the execution tree in the Main area is launched displaying the top instance level (either a selected instance or all monitored instances) and the entry point level only. Navigate through the execution tree by clicking the ‘ + ’ sign next to the node name. This displays deeper layers of the tree, enabling you to view invoked methods and SQLs while maintaining the execution hierarchy.
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The degree to which you can drill down in an execution tree is defined by the filtering settings for your application. For more information, see Configuring Precise for J2EE in the Precise Administration Guide. |
The following table describes the information displayed in the execution tree.
Table 1 Information displayed in the execution tree
| Field | Description |
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| Icon | Displays an icon reflecting the node type. |
| Name | Displays the name of the selected node. Depending on the tree view settings selected, the name will be displayed either its short name, or its full execution context. |
| Selected "Sorted by" value | Displays an aggregated value of the selected |
| "sort by" option for the node’s entire underlying call tree. For example, the JDBC contribution to JVM response time will be an aggregation of all JDBC methods times of that JVM. |
To change the current tree view settings, see “Configuring Configuring Tree View Settings” on page 47Settings.
Hovering over a node displays a ToolTip. The following table describes the information displayed in the ToolTip:
Table 2 Information displayed in a node’s node's ToolTip
| Field | Description |
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| Type | Displays the |
| node's method type. | |
| Context | Displays the full execution context of the selected node. |
| Selected "Sorted by" type and value | Displays the field by which the tree view is sorted by and the value for the selected node and its underlying call tree. |
The table below describes the “sort by” "sort by" options available for the execution tree.
Table 3 Sort options for the execution tree
| Sorted by | Description |
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| Response Time (Avg) | Displays the average response time for each node and its underlying call path. The average response time is displayed in seconds. |
| Response Time (Sum) | Displays the total response time for each node and its underlying call path. The summed response time is displayed in hours: minutes: seconds: milliseconds. |
| Work Time (Avg) | Displays the average work time in seconds for each node. The average work time is displayed in seconds. |
| Work Time (Sum) | Displays the summed work time in seconds for each node. The summed work time is displayed in hours: minutes: seconds: milliseconds. |
| Executions | Displays the number of executions within each node. |
All of the sort options can be displayed in ascending or descending order. You can also select the maximum number of executions to display under each node, the maximum number of results to display, and whether to display the method’s method's long or short name.
See “Configuring Configuring Tree View Settings” on page 47Settings.
When you right-click on an node in the execution tree, a popup menu is displayed. The following table describes the right-click menu options.
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- Enter the desired value in the search bar.
- Click the search icon to the right of the search field. The heaviest results for the search value are emphasized in bold within the execution tree and their relevant call paths are opened.
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If the ‘Show Show short name only’ option is only is selected in the tree view settings dialog and the user enters the full name in the search value, the search will not return any results. |
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The Association area displays a variety of analysis tabs, corresponding to the selected node in the execution tree. See “About About the Activity workspace analysis tabs” on page 25tabs.
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The Activity workspace analysis tabs display indepth in-depth information about and in context of the node selected in the execution tree, shown within the tree in bold for referencing. While navigating through the analysis tabs, you can select different hyperlinked entities associated with the originally selected node. Selecting a hyperlinked node in an analysis tab will select that node within the execution tree, and all information displayed in the analysis tabs will be refreshed to correspond to the newly selected node.
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Table 4 Analysis tabs available in the Precise for J2EE Activity workspace
| Tab Name | Description | Displayed for | For more information |
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| Highlights | Displays a comprehensive performance overview of the node selected in the execution tree. This view reveals performance problems of the entire call tree invoked under the selected node. | All entities. | See |
| The Highlights tab. | |||||
| Load Balance | Displays information for the selected node throughout the monitored application. | All entities.
| See |
| About the Load Balance |
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| Impact | Displays information regarding the selected node’s impact on the application. It displays general performance data for the selected node in the selected time frame and specific information regarding its contribution to all entry points and methods by which it is directly invoked. This view provides the user with a comprehensive overview of the specific method’s performance throughout the application. |
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| About the Impact |
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| Entry Points | Displays and compares performance data of the entry points in the selected time frame. This view enables efficient identification of problematic entry points. | Instances/All instances | See |
| About the Entry Points |
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| SQL & Exit Points | Displays and compares performance data of the SQL and exit points in the selected time frame. This view enables efficient identification of problematic SQLs and exit points. | All entities except SQLs. | See |
| About the SQL & Exit Points |
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| Methods | Displays information regarding all the methods and URI/iView invoked in the call tree under the selected node. The view provides a deeper look into a problematic node by showing comprehensive data for all invoked methods. | All entities except SQLs. | See |
| About the Methods |
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| Locks | Displays all methods in the call tree under the selected node that were locked at any point. This view provides an overview of all locked methods and enables the user to see locking trends. | All entities except SQLs. | See |
| About the Locks |
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| Exceptions | Displays data for exceptions thrown from the call tree under the selected node. This view pinpoints methods with a high exceptions rate. | All entities except SQLs. | See |
| About the Exceptions |
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| Leaks | Displays the object allocation data for the call tree under the selected node. | Instances/All instances | See |
| About the Leaks |
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The Highlights tab appears when any node type within the execution tree is selected, and displays a comprehensive performance overview of the selected node. The highlights tab provides information regarding performance trends for the selection’s underlying call path and displays performance findings to facilitate focused navigation to the root cause of a performance issue.
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The summary area displays the following information for the selected node. The value displayed is the aggregated value for the selected node’s node's underlying call path (unless otherwise stated) in the selected time frame:
- SLA Compliance. Displays the relative percentage of HTTP entry point service requests that approached or breached the defined SLA thresholds.
- Avg. Response Time (Sec). Displays the average response time for the selected node. The average response time is displayed in seconds.
- Executions. Displays the number of executions within the selected node.
- Sum. Response Times. Displays the total response time for the selected node. The summed response time is displayed in hours: minutes: seconds: milliseconds.
- Avg. CPU Time (Sec). Displays the average time that CPU was consumed for the selected node and its underlying call path.
- Method Type (when a method is selected only). Displays the method type.
- Impact on Entry Point (when a method or an SQL is selected only). Displays the percent value of the selected node’s node's summed response time out of its entry point’s summed response time.
- Max. Response Time (Sec) (when an SQL is selected only). Displays the peak response time detected in the selected time frame.
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The Avg. Response Time (Sec) vs Executions overtime graph displays a bar for each time slice in the selected time frame that the selected node (or part of its underlying call path) was active. These bars display a breakdown of the invoked method types according to each method type’s type's average response time. The average response time for the entire time slice is compared to the number of executions in the time slice, displayed in linear format.
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SLA compliance is calculated for HTTP entry points only. |
- Green. The invoked method’s method's SLA is below the defined SLA threshold.
- Yellow. The invoked method’s method's SLA is approaching the defined SLA threshold.
- Red. The invoked method’s method's SLA exceeded the defined SLA threshold.
- Blue. Top level methods that do not have SLA thresholds defined for them (for example, EJB, JDBC, and so on).
These executions will appear as “NonNon-HTTP” HTTP executions.
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Information for non-HTTP methods will not appear in the legend and in the graphs, but will appear in the ToolTip. |
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For more information regarding findings, see “How How to identify performance problems” on page 49problems.
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The Load Balance tab displays the selected entity and compares its performance in all the contexts it was invoked by in the selected time frame. If “All instances” All instances is selected in the execution tree, it will show the instances table (similar to the view provided in the Dashboard workspace).
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This tab is only displayed when “All Instances” when All instances is selected as the top level of the execution tree. When a specific instance is selected as the top level of the execution tree, this tab is not displayed. |
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Instance. Displays the instance name. If you select the highlighted instance, the execution tree will update itself to display the specific instance’s instance's execution tree.
Info Once a specific instance is selected, the Load Balance tab will no longer appear.
- Server. Displays name of the server on which the instance is running.
- Avg. Response Time (Sec). Displays the average response time for the selected node. The average response time is displayed in seconds.
- Executions. Displays the number of executions within the selected node.
- Sum. Response Times. Displays the total response time for the selected node. The summed response time is displayed in hours: minutes: seconds: milliseconds.
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The Executions overtime graph displays and compares the average number of executions for the selected instance in the selected time frame against the average number of executions for the AppTier. If the average number of executions is identical, the overtime graph will display information for the selected JVM.
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The Impact tab displays information regarding the selected method’s method's impact on the application. It displays general performance data in context for the selected node and specific information regarding its contribution to all entry points and methods in the application by which it is directly invoked. This provides the user with a comprehensive overview of the specific method’s performance throughout the application.
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Entry Point. Displays the name of the entry point from which the entity was invoked.
Info Selecting the hyperlinked entry point name selects the entry point in the execution tree and displays the highlights tab for the entry point.
- Work Impact on Entry Point. Displays the percent value of the selected node’s summed response time out of its entry point’s point's summed response time.
- Method Avg. Response Time (Sec). Displays the method’s method's average response time.
- Executions by Entry Point. Displays the number of times the selected method was invoked by the specific entry point.
- Sum. Method Response Times. Displays the method’s method's total response time.
- Sum. Entry Point Response Times. Displays the entry point’s total response time.
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Caller. Displays the name of the method that directly invoked the selected method.
Info Selecting the hyperlinked direct caller name selects the method in the execution tree and displays the Highlights tabs for the method.
- Work Impact on Caller. Displays the percentage of the selected method’s method's total response time out of the direct caller method’s method's total response time.
- Method Avg. Response Time (Sec). Displays the method’s method's average response time.
- Executions by Caller. Displays the number of times the selected method was executed by the specific direct caller method.
- Sum. Method Response Times. Displays the method’s method's total response time.
- Sum. Caller Response Times. Displays the direct caller method’s total response time.
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The Entry Points tab displays the top level URI/iView or methods (EJB or others) that are monitored for this instance, comparing performance data of the detected entry points within the monitored application in the selected time frame. This view enables efficient identification of problematic entry points and, in the event of many entry points from the same instance showing distress, problematic instances as well.
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The Avg. Response Time (Sec) vs. Executions overtime bar graph displays the relationship over time between the average response time of the entry point selected in the table above and the number of times the entry point was executed in the same time frame. Hovering over any point in the bar graph will display a ToolTip with the date and time of the time slice, the average response time, and the number of executions.
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The SQL & Exit Points tab displays the following information for all SQLs and exit points in the call tree beneath the selected entity.
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When All Instances is the selected at the top level, this table will be is called, Heaviest Exit Points by Work Time - ones that have at least 1% impact on the total. |
The Heaviest Exit Points Invoked Directly and Indirectly table displays the following information for the selected entity:
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- Name. Displays the destination name that can be either the Web service request name, 'DB Name' on 'Server Name' for SQLs, and so on.
- Type. Displays the exit point destination type such as, Web service, DB type, and so on.
- Work Impact. Displays the percentage of work time of the selected exit point in relation to the total work time of the invoking method
- Executions. Displays the number of executions within the selected node.
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The All Methods tab contains both URI/iView and methods from the entire call tree beneath the current context - instance. All data is aggregated from the underlying call tree.
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On top appears the comparison table called “All All Methods Invoked Directly and Indirectly”Indirectly.
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This will be Heaviest methods by work time when all instances in the top level in the executions table, with 1% impact min. |
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The Avg. Response Time (Sec) vs. Executions overtime bar graph displays the relationship over time between the average response time of the exit point selected in the table above and the number of times the exit point was executed in the selected time frame. Hovering at any point in the bar graph will display a ToolTip with the date and time of the time slice, the average response time, and the number of executions.
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The Locks tab displays locked methods from the entire call tree beneath the selected node. All data is aggregated from the underlying call tree.
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The locking methods themselves are not displayed on the tree. |
The “lock” lock identifier is calculated at runtime. It is based on the object name that is being locked (synchronized). It is possible to use the same object more than once during the same method. In that case, Precise for J2EE adds an index for each of the lock events, in order to enable the developer to distinguish between the two lock events.
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The Avg. Lock Time (Sec) of the Methods Selected in the Tables Above overtime bar graph shows an overtime view of the periods where the methods selected in the tables above acquired locks. This view enables you to understand the mutual locking relationship of the two methods - are they always locked at the same times (meaning, they lock each other only), is one locking (indicated by a short lock time) and other locked (indicated by a long lock time), and so on. Hovering at any point in the bar graph will display a ToolTip with the date and time of the time slice, the average lock time, and the number of locks.
About the Exceptions tab
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The Exceptions tab displays data for exceptions thrown from the entire call tree beneath the current context - instance. All data is aggregated from the underlying call tree.
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Exceptions monitoring is turned off by default. To turn on exceptions monitoring, go to Settings>Monitor Settings > Monitor Settings. See “Configuring Monitor Settings” on page 41 Configuring Monitor Settings. |
All columns can be sorted. The default sort is by Count column.
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On the bottom appears the title “Exception "Exception Stack Traces”Traces." This table displays information where each row is a specific occurrence of the exception selected on top. There is one row per stack trace on this table.
Catches exceptions during a time slice, based on the instrumentation configuration (switched off by default) and filtering criteria.
See Precise Administration Guide, Appendix A, regarding regarding configuring exception seeker options.
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The Leaks tab displays object allocation data from the entire call tree beneath the current context - instance. All data is aggregated from the underlying call tree.
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- Allocation Method. The method name where the object was allocated.
- Object Type. The object, collection, array, or string buffer. It contains values such as: “Integer”, “String”, or “MyObject”"Integer," "String," or "MyObject."
- Growth Rate. The rate that the number of objects grows over time. This is displayed in percent for growth rate per minute.
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Leaks monitoring is turned off by default. To turn on Leaks monitoring, go to the Settings menu. See “Configuring Monitor Settings” on page 41 Configuring Monitor Settings. |
The Leaks tab displays details about the top 64 allocation sites with the largest total live allocated objects in the selected time frame. Each allocating method displays the collection’s collection's stack trace in its ToolTip. The stack trace displays the executions leading backwards from the allocation site to the application’s application's initial execution.
For the top n allocating methods, the chart shows the approximate number of live objects in the collection, or its growth rate (according to the sorting column). Negative trends can be identified using these charts by detecting memory leaking locations.
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Table 5 Columns in the JVM Leak Candidates Allocated Directly and Indirectly table
| Item | Description |
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| Chart Legend Color | Color icon showing the color representing the row in the graph. |
| Allocated Method | The method name where the object was allocated. |
| Object Type | The Object, Collection, Array, or String Buffer. It contains values such as: |
| "Integer," "String," or "MyObject." | |
| Growth Rate (%) | Rate of growth (in percents) of the number of objects over time (objects/minutes). This column is default for sorting. |
| Live Objects Count | Number of live instances of an object. Live Objects Count can be displayed as a |
"waterfall" bar, or in numbers. |
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Stack Trace details appear in the expanded view that appears when hovering over each row’s row's complete path (Stack Trace).
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- In the Time Frame list, select the period of time you want to analyze.
- In the Instance list, select the instance you want to analyze.
- On the Precise bar, go to Settings>Tree Settings > Tree View Settings.
- In the Tree View Settings dialog box, in the Sort by drop-down list, select Executions. Click A to display in Ascending order or D to display in Descending order.
- Select the Method you want to analyze. Methods with the highest number of executions are most frequently invoked.
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- In the Time Frame list, select the period of time you want to analyze.
- In the Instance list, select the instance you want to analyze.
- In the Tree pane, right-click the Service Request, Method, or instance node to search under.
- From the popup menu, select the Search option.
- In the Search dialog box, specify the search parameters by inserting the string to search for and the number of results to display.
- Click OK. The results are highlighted in bold font and you can decide to focus on one of them by selecting it.