Is there a "howto" somewhere about writing visualvm plugins ? On Sat, Jun 19, 2010 at 12:31, Kirk <[email protected]> wrote:
> 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%[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]<javaposse%[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]<javaposse%[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.
