profiler « profile « Java Testing Q&A

1. Please recommend a Java profiler    stackoverflow.com

I am looking for the Java equivalent of gprof. I did a little Java profiling using System.getCurrentMillis(), and saw several GUI tools which seem too much. A good compromise could be a text-based Java ...

2. Which Java Profiling tool do you use and which tool you think is the best?    stackoverflow.com

Want to know what the stackoverflow community feels about the various free and non-free Java Profilers and profiling tools available.

3. How to write a profiler?    stackoverflow.com

i would to know how to write a profiler? What books and / or articles recommended? Can anyone help me please? Someone has already done something like this?

4. Open Source Java Profilers    stackoverflow.com

What can you guys recommend to use with Java? Only requirement is it should be open source, or has not too expensive academic licence .

5. Find each statement's execution count in Java    stackoverflow.com

I am studying More programming pearls (Addison-Wesley, 1988) by Bentley J. and am stumped by the fact that I am unable to find any tool/ profiler for Java that can tell ...

6. Java Profiler tool on Mac OS X    stackoverflow.com

I'm developing both a Java app and J2EE webapp using Eclipse Europa on Mac OS X 10.5.8. The webapp provides a RESTful API layer for the Java app I've written. I'm ...

7. Keep track of the maximum memory use in java profiler    stackoverflow.com

I am trying to detect memeory leak in my java codes with java profilers VisualVM. I want to report the maximum memory usage before and after I fix a memory leak. ...

8. Why does the profiler show large numbers of char[] instances when I am not creating any?    stackoverflow.com

I am running a NetBeans profile of a recursive operation that includes creating a class with a java.lang.String field. In the classes list, in the profile heap dump, the number of ...

9. How do I connect to a Java command-line tool with the YourKit Java Profiler?    stackoverflow.com

I've build a command-line tool in Java, which I would now like to profile with YourKit. I launch the command-line tool with something like:

$ java -classpath .:foo.bar.jar com.foobar.tools.TheTool arg1 arg2 ...

10. I need to use profiler in my IDE    stackoverflow.com

I am using RSA7 as IDE, I need to use profiler in my IDE for memory analysis. Can any one suggest me

1. From where I can free download it?
2. How can I use it ...

11. Profiling short-lived Java applications    stackoverflow.com

Is there any Java profiler that allows profiling short-lived applications? The profilers I found so far seem to work with applications that keep running until user termination. However, I want to ...

12. Generating a Call Hierarchy for dynamicly invoked method    stackoverflow.com

Today's world of dynamic invoke, reflection and runtime injection just doesn't play well with traditional tools such as ctags, doxygen and CDOC. I am searching for a method ...

13. best j2me profiler    stackoverflow.com

which profiler is best for j2me ? there is a profiler in WTK. but it is not good and usefull. JProfiler is good, but I cannot use it for j2me application. ...

14. Does YourKit report ReentrantLocks?    stackoverflow.com

I am trying to reduce the lock contention on a particular code-path in my application. To identify code with high lock contention, I connect YourKit to my application and use the ...

15. can somebody recommend a free tool for doing java time profiling    stackoverflow.com

Possible Duplicate:
Please recommend a Java profiler

16. profile java memory use on linux    stackoverflow.com

i have a socket server written in java, and i believe there is a memory leak. The i could not find anything in Netbeans' profiler, so i want to test it ...

17. Need Java profiler tool    stackoverflow.com

I have to do profiling of the Java application. I would appreciate if anyone let me know the free Java pr-filer. I heard about YourKit but don't know much about performance ...

18. Best and safest Java Profiler for production use?    stackoverflow.com

I'm looking for a Java Profiler for use in a very high demand production environment, either commercial or free, that meets all of the following requirements:

• Lightweight integration with code (no recompile ...

19. Export Java VisualVM .nps profiler data to excel    stackoverflow.com

Is there any way to convert the .nps profiler data captured by VisualVM to excel. Namely I'd like to get a table view of the HotSpot Methods. In ...

20. high-performance java profiler    stackoverflow.com

I see that there are a bunch of "java profiler recommendation" questions that are already answered here. My case is slightly specific, though. I need to profile a production system that ...

21. Recommend a profiler for a Java app running on a remote linux machine?    stackoverflow.com

I'm looking for a profiler than can profile a Java6 application running on a separate linux box (with no windows manager). The application is a latency sensitive, multithreaded server that ...

22. What Java memory profiler applications will work on Windows 7 64-bit with Java 1.4 32-bit?    stackoverflow.com

I'm trying to find a memory leak in an old Java 1.4 application. I have tried to use jmp but unfortunately I've had no luck getting it working (is it actually ...

23. profilers for programming languages    stackoverflow.com

I am working on Profilers. Can anyone list out the advantages of using profilers. How Java profilers work? What technologies to use? Please if you have some good articles then forward me the ...

24. Graphing Profiler for Java?    stackoverflow.com

I'm looking for a profiler for the JVM similar to Python's "run snake run". The feature I'm missing the most is the "square map" visualization showing which methods are taking ...

25. regarding yourkit java profiler    stackoverflow.com

Is it possible to profile a windows service running on a remote machine. If it is possible please let me know. thanks in advance.. wbr, radds

26. Best free java SE profiler    stackoverflow.com

Could you propose best free java SE profiler please? 'Best' = 'most feature rich' & 'most user friendly'.
'Most' = 'used to form the superlative of many adjectives and adverbs' ;) Thanks.

27. How to open System Profiler.app on Mac OS X using a Java application?    stackoverflow.com

I have to show system information for my Mac OS X from my Java application. I have created a button and trying to execute following:

private static String[] sysInfoPathMac =
   ...

28. Why does Yourkit 8.X is recommended to profile only java 5 applications?    stackoverflow.com

When upgrading yourkit profiler I've noticed the following message at their web site:

YourKit Java Profiler 8.0.30 Use version 8.0 to profile Java 5 applications ...

29. Best free Java profiler on Mac    stackoverflow.com

I was using YourKit before and it was working perfectly, but it's too expensive for my taste. Is there some free or open-source Java profiler for Mac that's working as well ...

30. Visual VM "not supported for this JVM" on all local applications?    stackoverflow.com

I has already spent a long time too load test my application, now I need to profile it. But unluckily, the Visual VM always says"not supported for this JVM" on my ...

31. Profiler to see time spent in methods    stackoverflow.com

Hello I have a java application running on a Jboss server. I want to profile the application. The specific details that I am interested in is the time spent in executing ...

32. Can anyone recommend a scriptable Java profiler?    stackoverflow.com

I want to automate our field case analysis. We sometimes get HPROF files from crashes of our product in production, and look for "typical" problems we know of. Examples:

• specific threads creating problems
• specific ...

33. VisualVM starting profiler causes memory usage to drop?    stackoverflow.com

As seen in the Monitor for memory diagram (http://i.stack.imgur.com/sBKzO.png), around 4:35PM is when I started VisualVM Profiler and it caused memory usage to drop by ~7G which is quite significant. Why ...

34. Java Profiler whose statistics can be automatically processed    stackoverflow.com

I've been looking for Java Profilers for a project I'm doing which involves, given some program, doing another program that is able to run it against a profiler one time, analyze ...

35. Need to know how to use profilers / which one to use    stackoverflow.com

This might seem like a silly question, but after asking some questions on stackoverflow and looking at other people's question, one thing that comes often is to use profilers to see ...

36. Java profiler?    coderanch.com

I believe that premature optimization is indeed the root of all evils so I would like to know a good profiler for Java. I Google but I could not find much infos to help me choose. I'd like something that's open source. And if possible that integrates with Eclipse but if there's something better that does not, I can easily drop ...

37. java profiler    coderanch.com

38. Java Profiler    coderanch.com

Hi, do you know of a good Java profiler for ascertaining where a memory leak may be occuring within an application, currently getting a "java.lang.OutOfMemoryError: PermGen space" exception being thrown " 2010-11-27 11:17:19,503 ERROR [backgroundTaskScheduler_Worker-3] [org.quartz.core.JobRunShell] - Job DEFAULT.mediaDeleteRetryJob threw an unhandled Exception: java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1850) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354) ...

39. profiler not showing decreasing Runtime.getRuntime().freeMemory() allocations    java-forums.org

Here's an odd one I'm hoping people can help me with. I'm writing a game, and am printing Runtime.getRuntime().freeMemory() onto the screen every frame. What I'm finding is that the memory is starting at about 125 meg, and quite rapidly decreasing to about 50 meg, then jumping up to 125 meg (or there abouts) again, and then doing it again, and ...

40. Profiler shows no change    forums.oracle.com

Hi everyone, I'm using netbeans 5.0 along with netbeans profiler 5.0 and have a huge memory problem. I have a pdf stripper class that uses huge amounts of memory and to see if I could solve it temporarily I tried to increase the heap space both through the command line and through the netbeans.conf file. The result is that no matter ...

41. What's the best free profiler?    forums.oracle.com

42. Java Profiler API    forums.oracle.com

43. java profiler    forums.oracle.com

actully i m using jdk 1.4 .........i don't want to update it and netbean 6.0 is not working with jdk 1.4. can u plz tell me how to know abt the memory used with jdk 1.4 Edited by: pri on Mar 13, 2008 6:03 AM Edited by: pri on Mar 13, 2008 6:42 AM

44. YourKit Java Profiler 6.0.16    forums.oracle.com

Hi here is my problem, I am using the YourKit Java Profiler. everytime time I am closing a JInternalFrame what I noticed in this YourKit Profiler is that Allocated Memory is not decreasing when I dispose() the JInternalFrame. What do I need to do so when I dispose() this JInternalFrame the Allocated Memory is free up. Allocated Memory is only increasing. ...