2. Symptom of bug Root cause ManualTedious Time consuming

3. Ask experts Check bug database Check version history Reproduce bug Trace in a debugger How else can we help diagnose failures? + Visual Studio Intellitrace TM + Visual Studio Test Elements + Visual Studio Test Impact Analysis

9. demo

10. announcing

15. number of successful test cases in which p is covered number of failing test cases in which p is covered number of successful tests in which the context of p was covered number of failing tests in which the context of p was covered

18. >>FUTURE

21. Root cause

23. Old version New version Root cause

25. Failing test case Passing test case generated by Darwin Old New

26. >>FUTURE

28. Has this or similar bug been looked at or fixed before? What do we know about this kind of bugs? Who should I ask for help? Where should I start looking?

29. The customer experiences some deadlocks on a server. The problem is random and may occur from several times a week to once a month. The system looks hung because the global resource 'ObpInitKillMutant' is help by a thread which tries to close a file forever. So all the processes having a thread waiting on 'ObpInitKillMutant' stop working fine. Drivers such as TCP/IP continue to respond normally but it's impossible to connect to any share. 0: kd> !thread 82807020 ChildEBP RetAddr Args to Child 80c7a028 00000000 00000000 ntkrnlmp!IopAcquireFileObjectLock+0x58 82a6d7a0 80c7a028 00120089 ntkrnlmp!IopCloseFile+0x79 82a6d7a0 80c7a010 80f6da40 ntkrnlmp!ObpDecrementHandleCount+0x112 00000324 7ffdef01 00000000 ntkrnlmp!NtClose+0x170 00000324 7ffdef01 00000000 ntkrnlmp!KiSystemService+0xc9 00000324 80159796 000000c9 ntkrnlmp!ZwClose+0xb 000000c9 e185f648 00000000 ntkrnlmp!ObDestroyHandleProcedure+0xd 809e3008 801388e4 82a6d926 ntkrnlmp!ExDestroyHandleTable+0x48 00000001 82a6d7a0 7ffde000 ntkrnlmp!ObKillProcess+0x44 00000001 82a6d7a0 82a6d7f0 ntkrnlmp!PspExitProcess+0x54 00000000 f0941f04 0012fa70 ntkrnlmp!PspExitThread+0x447 ffffffff 00000000 00002a60 ntkrnlmp!NtTerminateProcess+0x13c ffffffff 00000000 00002a60 ntkrnlmp!KiSystemService+0xc9 00000000 00000000 00000000 NTDLL!NtTerminateProcess+0xb REGISTERS: eax=00000005 ebx=e3185488 ecx=0000083c edx=e2dddc68

34. Query engine

36. >>FUTURE

38. Code Visualization, UML, and DSLsCameron SkinnerTuesday4:30 PM Extending the Microsoft Visual Studio 2010 Code Editor to Visualize Runtime Intelligence Gabriel Torok & Bill LeachWednesday4:30 PM A Lap Around Microsoft Visual Studio and Team Foundation Server 2010 Cameron Skinner & Mario RodriguezThursday10:00 AM Microsoft Visual Studio Lab Management to the Build Setup RescueVinod MalhotraThursday10:00 AM Scrum in the Enterprise and Process Customization with Microsoft Visual Studio 2010 Simon Bennett & Stuart PrestonThursday1:45 PM Advanced Diagnostics, IntelliTrace™ and Test AutomationHabib HeydarianThursday1:45 PM Power Tools for Debugging Kapil Vaswani & Sandeep KaranthThursday3:00 PM Automating "Done Done" in the Team Workflows with Microsoft Visual Studio Ultimate and Team Foundation Server 2010 Jamie Cool & Brian RandellThursday3:00 PM

41. Built by Developers for Developers….

42. © 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.