[Launchpad-dev] Bzr plugin for guessing relevant test modules: Fault line

[John Arbash Meinel]

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On 6/1/2011 10:42 PM, Francis J. Lacoste wrote:
> We did experiment with this in the past on Launchpad. Getting the coverage 
> data adds a lot (and I do mean a lot) of overhead to the test suite. So it's 
> not something we want to have PQM do on a regular basis.
> 
> 

As I understand it, coverage works by setting the "trace" function. So
it is equivalent to running under lsprof, etc. So I can certainly
understand the overhead. I would also not be surprised if coverage isn't
nearly as tuned as cProfile.

John
=:->

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