Reading Performance Counters on Vista and Server 2008 Machines

Users commonly experience problems collecting counters during a load test. These problems come in two flavors: 1) they are not able to collect any counters at all from a machine or machines, and 2) they see gaps in the counter collection. This article addresses the first problem. If you are experiencing this problem, you’ll see…

5 Load Test Reports updated

One of our load test partners, Aztecsoft, recently updated the load test reports on codeplex. The updates provide improved run maintenance and the ability to plot counter values against load. It is great to see this contribution from the community! Also thanks to Sampath Kumar for guiding the changes through to release. Ed.


Back from PDC

I spent last week in LA at the PDC. The conference was mainly focused on the new technologies Microsoft is working on bringing to market, such as Windows 7 and Azure. We also introduced the features in our next VSTS release, which customers were super-excited to see. It’s always great to step back at a…


Visual Round Trip Analyzer released

My colleague Jim Pierson on the Live Services performance team released the Visual Round Trip Analyzer tool to the web. You can download it here. Jim works with all the live and MSN teams on analyzing and improving performance of Microsoft web properties, specifically focusing on end-user response times. Jim and his team built this…


WOW! New TFS Power Tool release coming

The TFS Power Tool release on the tarmac is awesome! Check out Brian’s blog post for a preview. Brian himself developed the new Team features in the power tool, he’s been giving me preview demos and taking feedback for a couple of month now. I want it! Ed.


Event ordering in Web Tests

Web tests have a number of extensibility points before and after a request. What order do they run in? The hooks are: WebTestPlugin.PreRequest WebTestRequestPlugin.PreRequest ExtractionRule.Extract ValidationRule.Validate Here is a sequence diagram that shows what order things fire:   There is no guaranteed order of firing for WebTestPlugin.PreRequest and RequestPlugin.PreRequest. Also if you have >1 Extraction…


New Fiddler Timeline view is neat!

Eric Lawrence has added a cool new feature to fiddler to visualize what is happening in your http traffic. Here’s a snippet from the online fiddler help: Timeline The Timeline Tab shows the transfer timeline of selected HTTP Sessions.  NOTE: You should enable Streaming Mode for the highest accuracy in Timeline rendering. The vertical line…


JW post on MS Testing – my observations

Check out James’s recent post with the eye-catching title “if Microsoft is so good at testing, why does your software suck?” I have another angle on this, which I saw first hand with our Whidbey release. It goes to some of the themes I refer to in my So you want to automate your test…


JW on testing

James Whittaker, a testing luminary, joined Team Test a while back and has started blogging. You’ll find his blogs very interesting! Ed.


Updated load test links

I’ve updated my links to info on web and load test post with the following links: New Item Templates for custom rule and plugin development Data Driven Web Testing With Visual Studio 2008 Team System InfoPath Forms Services 2007 Web Testing Toolkit SharePoint Server 2007 Scalability and Performance Whitepaper Diagnosing OutOfMemoryExceptions that occur when running…