![]() We wrote several posts on troubleshooting Windows performance issues using the Xperf utility as part of our Xperf Xpert series:īecoming an Xperf Xpert: The Slow Boot Case of the NetTCPPortSharing and NLA Servicesīecoming an Xperf Xpert Part 2: Long Running Logon Scripts, Inconceivable!īecoming an Xperf Xpert Part 3: The Case of When Auto “wait for it” Logon is Slowīecoming an Xperf Xpert Part 4: What Did the WDIService Host Ever Do To You?īecoming An Xperf Xpert: Part 5 Gaps of Time For Explorer.exe There was no built-in UI and everything was done from a command prompt using xperf.exe or xbootmgr.exe. ![]() If you are familiar with the older versions of the Windows Performance Toolkit obtained from the Windows 7 SDK, you know that obtaining traces with Xperf was, at times, very complex. Knowing which providers and stackwalking flags to enable was a struggle all together. The toolkit, itself, has a subset of tools that produce in-depth performance profiles of Windows operating systems and applications. One of the great things about the Windows Assessment and Deployment Kit is the Windows Performance Toolkit. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.First published on TechNet on Mar 22, 2013 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. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. Thank you Feedback and questions Session feedback Windows Internals by Mark Russinovich, David Solomon, and Alex Ionescu.HW-922P Capturing and analyzing performance traces.HW-141T Reducing the memory footprint of drivers and apps.HW-147T building high quality Windows PCs using the assessment and deployment kit.Performance is critical for your customer.Remember to enable stack walking on 圆4.Productive experience of troubleshooting identified issuesĭemo WPA Integration with ADK Following up on ADK assessment issues Here’s where the issue is!.WPA in Windows 8 Detailed Graph Graph Explorer Aggregating Columns Legend Graph Grouping Columns Graphing Columns Table Gold Bar Blue Bar Reduce ‘noise’ to focus on the ‘right’ issues.Broaden the target audience to mainstream developers.Stages of Performance Analysis Perception Measurement Analysis System slows down App launch takes longer Browser refresh is slower Disk light is always on Poor battery life CPU profiling Context switches Changes in priority Disk I/Os Memory allocations Lock acquisition C and P state lifetimes CPU utilization CPU starvation Priority inversions Ineffective access patterns Disk saturation Memory leaks Redundant memory Lock contention Energy Efficiency Iterate Used within Microsoft to build Windows.Based on ETW (Event Tracing for Windows).Windows Performance Recorder and Analyzer Provides a way to analyze what customer actually experiences.Enables follow up on issues raised via ADK performance assessments.The design focus to-date has been on power users.The tools have proven tobe very valuable.The Windows PerformanceToolkit was introduced at PDC 2009.Resources can be critical if they are scarce, shared, and/or have queuing semantics.Logical: critical sections, critical resources.Physical: CPU, GPU, disk, memory, network, battery.Unresponsive systems quickly generate customer dissatisfaction.The ability to easilywork together is key. ![]() The people fixing an issueprobably aren’t the people experiencing an issue.Performance analysis is an iterative process.Performance is a Layered Challenge Extensions, Driver, Services, Applications Efficient platforms require efficient and reliable extensions Windows engineering processes focus on performance throughout the development cycle Operating System Core Hardware, Processor, Chipset, and Devices Fundamental quality starts with a great hardware platform ![]() HW-59T Improving performance with the Windows Performance Toolkit Michael Milirud Program Manager Microsoft CorporationĪgenda Motivations for performance analysis Key Concepts Windows Performance Recorder Windows Performance Analyzer WPA integration with the ADK You’ll leave knowing how to:
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