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News Hi, my name is Vincent Grondin and I'm a senior consultant at Fujitsu, a consulting firm in Montreal, Québec. I'm starting that blog to share some of my thoughts and knowledge on .NET architectures and code. Being a consultant in the .NET world I come across many different things. Some good, some bad and others that are worth a blog post here whether they be good, or hmmm... shall I say, less good :) I hope you enjoy yourself while learning new stuff. Feel free to leave a comment or contact me anytime.

Vincent Grondin

Not so long ago I was confronted with a very bizarre problem… I was using visual studio 2010 and whenever I opened up the Test Impact view I would suddenly see my pc perf go down drastically…  Investigating this problem, I found out that hundreds of “Intellitrace.exe” processes had been started on my system and I could not close them as they would re-start as soon as I would close one.  That was very weird.  So I knew it had something to do with the Test Impact but how can this feature and Intellitrace.exe going crazy be related?  After a bit of thinking I remembered that a teammate (Etienne Tremblay, ALM MVP) had told me once that he had seen this issue before just after installing a MOCKING FRAMEWORK that uses the .NET Profiler API…  Apparently there’s a conflict between the test impact features of Visual Studio and some mocking products using the .NET profiler API…  Maybe because VS 2010 also uses this feature for Test Impact purposes, I don’t know…

Anyways, here’s the fix…  Go to your VS 2010 and click the “Test” menu.  Then go to the “Edit Test Settings” and choose EACH test setting file applying the following actions (normally 2 files being “Local” and TraceAndTestImpact”:

-          Select the Data And Diagnostic option on the left

-          Make sure that the ASP.NET Client Proxy for Intellitrace and Test Impact option is NOT SELECTED

-          Make sure that the Test Impact option is NOT SELECTED

-          Save and close

 

Edit Test Settings

 

Problem solved…  For me having to choose between the “Test Impact” features and the “Mocking Framework” was a no brainer, bye bye test impact…  I did not investigate much on this subject but I feel there might be a way to have them both working by enabling one after the other in a precise sequence…  Feel free to leave a comment if you know how to make them both work at the same time!

 

Hope this helps someone out there !

 

 

 

Posted on Monday, July 9, 2012 9:00 PM | Back to top


Comments on this post: Multiple instances of Intellitrace.exe process

# re: Multiple instances of Intellitrace.exe process
Requesting Gravatar...
Thanks, I was having this exact issue and this solved it
Left by Steve Scarbel on Sep 18, 2012 11:15 AM

# re: Multiple instances of Intellitrace.exe process
Requesting Gravatar...
That helped. When I disabled the 2 you mentioned I still had the problem. I then saw there was another one called "Intellitrace" that was selected. Once I deselected that I was able to run tests again.

I was just about to give up and switch the project to NUnit.
Left by Joe Herr on Mar 13, 2013 6:40 PM

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