information provided by java profiler interface (JVMPI)
http://java.sun.com/j2se/1.4/docs/guide/jvmpi/index.html
are sufficient to write TOP like tool for jboss, but i have read that using JVMPI will cause JVM to run 2-10 times slower so it would not be acceptable in prodution environment.
Have you got any experience with JVMPI slowdown, is that true?
Maybe intercepting method calls in jboss and measuring time can be another way how to collect information about deployed apps behavior for TOP like tool.
David
Aleksandr Shneyderman wrote:
There is also JDJ article in Feb. 2003 Vol 8, Issue 2 on profiling.
It seems from the article that the code will be platform dependent, cause you would need to write some C/C++ libs.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Monday, February 24, 2003 3:36 PM To: [EMAIL PROTECTED] Subject: Re: [JBoss-user] TOP like functionality for jboss
m�ndagen den 24 februari 2003 kl 20.56 skrev Bill Burke:
That WOULD be cool. Write it! Write it! But is it even possible to write in Java?
Maybe this could be a good starting point : http://www.yoda.arachsys.com/java/jbench/docs/cputimer.html I also recall Stefan-A had some thoughts here ...
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