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class histogram presented as package treetable [message #3926]

Sun, 31 August 2008 17:35

Taras Tielkes

Messages: 38
Registered: July 2009

Member

I'd like to explore the class histogram in terms of the package hierarchy.

Is it possible to "group by" the histogram data to get a hierarchical
"package-tree" UI?

-tt

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Re: class histogram presented as package treetable [message #3944 is a reply to message #3926]

Mon, 01 September 2008 09:35

Andreas Buchen

Messages: 123
Registered: July 2009

Senior Member

> I'd like to explore the class histogram in terms of the package hierarchy.

Right now, you can group the histogram only by classes or class loaders
(which translate into components). It sure makes sense to group the
histogram also by packages. I have created this bugzilla entry to track
this feature: https://bugs.eclipse.org/bugs/show_bug.cgi?id=245841

For now, maybe this could help you: The Dominator Tree (3rd icon in the
toolbar) allows you to group the objects by package. The Dominator Tree
lists the biggest objects. The children in the tree are those objects
which are immediately dominated, i.e. which objects are directly kept
alive. Therefore the first level of the tree lists the biggest objects
without any redundancy.

Also, check out "Leak Identification -> Top Consumers". This lists the
biggest objects, the biggest classes, the biggest class loaders and the
biggest packages. This is a good starting point to get an overview about
what is going on.

Andreas.

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