We have worked on Hapao, which is available for Pharo 3.0 

http://smalltalkhub.com/#!/~ObjectProfile/S2py

It gives nice visualization, such as the one shows in:
http://bergel.eu/download/papers/Berg12c-HapaoSCP.pdf

Cheers,
Alexandre
-- 
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Alexandre Bergel  http://www.bergel.eu
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On Jul 23, 2014, at 7:01 AM, Pavel Krivanek <pavel.krivanek@gmail.com> wrote:

Hi,

what are the current working options for the tests coverage reporting? For testing of the minimal image I tried to use the standard code simulator but as you may expect the results are not perfect (it cannot hanlde tests that use should:rise, it's very slow etc.)

https://ci.inria.fr/pharo/view/4.0-Bootstrap/job/Pharo-4.0-Bootstrap-Step-2.2-Simulated-Coverage-Test/

Cheers,
-- Pavel