Debugging Apps & Analysing Usage
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Transcript of Debugging Apps & Analysing Usage
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Debugging Apps and Analysing Usage
with Visual Studio 2013
Visual Studio 2013 Airlift
05-12-2013
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2003 - 2013 © Copyright Xpand IT www.xpand-it.com
• Jorge Borralho
• 8+ years in application development
– mainly with Microsoft products – C#, asp.net, mvc, sharepoint, sql server
who am i
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abstract
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• Debug tools
Code map
Asynchronous Debugging
Just my code (javascript)
Return value inspection
Intelitrace debugging
Microsoft Monitoring Agent
• Profiling tools
Dump file analysis
Energy consumption
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• Must target 4.5.1
• Using 3rd party hosts must use IIS Express
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2003 - 2013 © Copyright Xpand IT www.xpand-it.com
Return value inspection
• Inspect functions/nested functions return values relevant to current debugging session
Demo
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Asynchronous debugging
• Simplified infraestructure code in call stack
• Visualize tasks
VS 2012
VS 2013
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Just my code – JS & C++
• Step through 3rd party code right to your code;
• Ignore Exceptions managed by 3rd party code.
Demo
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Code map
• Enhanced Call Stack
Demo
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MMA & Intelitrace Debugging
• Diagnose problems in deployment with Visual Studio and Microsoft Monitoring Agent
• Enabling MMA: – Configure witch modules to monitor
– Start monitoring (defining trace level)
– Capture Intelitrace snapshot
• Impacts app performance – Enabled to whole application pool
– Captures (almost) every object value in method-calls from defined modules
<ModuleList isExclusionList="false"> <Name>PublicKeyToken:B77A5C561934E089</Name> <Name>PublicKeyToken:B03F5F7F11D50A3A</Name> <Name>PublicKeyToken:31BF3856AD364E35</Name> <Name>PublicKeyToken:89845DCD8080CC91</Name> <Name>PublicKeyToken:71E9BCE111E9429C</Name> </ModuleList>
PS C:\>Start-WebApplicationMonitoring "IIS:\Test.Web" Monitor
"C:\IntelliTraceLogs”
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MMA & Intelitrace Debugging
• Debugging from Intelitrace Log
– Matching source files and symbols (.pdb)
– Visual Studio 2013 ultimate
– .iTrace file
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MMA & Intelitrace Debugging
• Review Performance Violation (1/3)
Review recorded events and choose to “dig deeper”
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2003 - 2013 © Copyright Xpand IT www.xpand-it.com
MMA & Intelitrace Debugging
• Review Performance Violation (2/3)
See multiple calls to this event, review slowest ones and debug them
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2003 - 2013 © Copyright Xpand IT www.xpand-it.com
MMA & Intelitrace Debugging
• Review Performance Violation (3/3)
Review call stack, recorded values, step through and access Intelitrace
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MMA & Intelitrace Debugging
• Exception Data
Get all exceptions recorded – and debug them
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MMA & Intelitrace Debugging
• Analysing Sharepoint unhandled exception (1/3)
Get the Correlation Id
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MMA & Intelitrace Debugging
• Analysing Sharepoint unhandled exception (2/3)
Go to Analysis in the iTrace file and search by correlation Id
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MMA & Intelitrace Debugging
• Analysing Sharepoint unhandled exception (3/3)
Get full info in the exception, step into the intelitrace in that moment
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Dump file analysis
• When a long running app starts behaving sluggishly or crashes with OutOfMemoryException, or even the whole server/system slows down
– Probably bad memory usage:
• Memory leaks
• Unnecessary allocation
• Inefficient memory use
• Better analyze the memory dump
– using task manager, procdump (sysinternals) or even VS 2013 (capturing a breakpoint)
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Dump file analysis
• Analyse them directly in visual studio
Demo
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Energy Consumption (1/3)
• The Visual Studio Energy Consumption profiler helps you analyze the power and energy consumption of Windows Store apps on low-power tablet devices that run all or part of the time on their own batteries. On a battery-powered device, an app that uses too much energy can cause so much customer dissatisfaction that, eventually, customers might even uninstall it. Optimizing energy use can increase your app’s adoption and use by customers.
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Energy Consumption (2/3)
• What’s measured?
• Mark profiling data
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Energy Consumption (3/3)
• Configure device and collect data
• Profile data
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Q & A