building the plug-in is fairly mechanical and not that difficult Regards, Kirk
On Jun 19, 2010, at 10:49 AM, Jaroslav Bachorik wrote: > Well, there is a Java api exposed by VisualVM - the OQL engine > utilizes it. But in order to use it you would need to write your own > VisualVM plugin. > > I would say that for and ad-hoc analysis the javascript scripting > would be much more useful - no need to build/install a new plugin and > you can save your analysis definition for later use inside VisualVM. > > On Jun 19, 10:09 am, Jan Goyvaerts <[email protected]> wrote: >> isn't there a Java api to parse heap dump files ? >> >> On Fri, Jun 18, 2010 at 21:07, Jaroslav Bachorik <[email protected]>wrote: >> >> >> >>> The nice thing with the OQL implementation in VisualVM (and jhat) is >>> that the code you send to the OQL processor doesn't necessarily need >>> to be restricted by the OQL rules. If the processor doesn't recognize >>> the OQL syntax being used it tries to evaluate the given code as a >>> plain javascript program. Utilizing this fall-back method you can >>> write an arbitrarily complex heap processing logic in javascript and >>> the VisualVM will take care of displaying the result. >> >>> Check outhttps://visualvm.dev.java.net/oqlhelp.htmlfor the list of >>> the heap dump manipulation functions available to such scripts. >> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "The Java Posse" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<javaposse%2bunsubscr...@googlegroups >>> .com> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/javaposse?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "The Java Posse" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/javaposse?hl=en. > -- You received this message because you are subscribed to the Google Groups "The Java Posse" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/javaposse?hl=en.
