tailieunhanh - WebSphere Studio Application Developer Version 5 Programming Guide part 71

WebSphere Studio Application Developer part 71 provides integrated development tools for all e-business development roles, including Web developers, Java developers, business analysts, architects, and enterprise programmers. The customizable, targeted, role-based approach of WebSphere Studio Application Developer will be characteristic of all new products built on the WebSphere Studio Workbench. It is well integrated with WebSphere Application Server and provides built-in server test environments that can be used for testing and profiling Web applications | Figure 20-18 Heap view by methods Method invocation In the Heap view or in one of the statistics view select the method and Show Method Invocation from the context menu to display the Method Invocation view Figure 20-19 . This view shows a representation of one method and the calls that are executed from that method and the called methods. Clicking or scrolling over each method the vertical bar shows its cumulative time. Using the zoom icons and - you can zoom into areas of the graph. 674 WebSphere Studio Application Developer Version 5 Programming Guide Figure 20-19 Method Invocation view From the context menu click Show Caller to see the caller s of the selected method in the view. Figure 20-20 shows the callers of . The highlighted area is the selected method. Chapter 20. Profiling applications 675 Figure 20-20 Method Invocation show caller of getAccounts Each time you do this one method higher up in the calling sequence is displayed. Select the method. The vertical length of the selected area indicates the base time for the method. You can determine the execution time for this method by checking the vertical time scale on the right side of the view. The status line gives you the cumulative time for the method. Note Selecting Next and Previous in the context menu navigates through all the invocations of the current method. Select Show Method Invocation Table from the context menu to see the related tabular view of this Figure 20-21 . 676 WebSphere Studio Application Developer Version 5 Programming .