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Is there any tool can measure execution time for each function call and find out bottle neck for a given developing java j2se project? Thanks!
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Solution: Monitor pool metrics like allocated, free, and managed. Also monitor java performance metrics related to other connections to the database, like the total connection time, active connections, and the health of the database server. This can help you identify the cause of connection leaks.
Use profiling tools, such as YourKit, JProfiler and HPROF (this one is a command line tool).
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You are looking for a profiler. I know that NetBeans includes a decent one.
You can also look at this question: Open Source Java Profilers.
It seems that the JDK 1.6 comes with a basic profiler. So maybe you want to give it a try first.It should be included with the VisualVM that comes with your jdk6: visualvm profiler
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Yes, there are lot of tools - profiles like Netbeans Profiler or eclipse equivalent. Look at this course of JavaPassion to find out more about profiling tools and performance of Java applications.
Look at also this SO question to find out open source java profiles.
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