Here, etl stands for Event Trace Logging. By default, WPR records for 2 minutes after a reboot. Very interesting article, looking forward to the follow-ups! (So far, This post has 2 likes) 6 hours, 35 minutes ago, Paolo Maffezzoli posted an update 10 hours, 36 minutes ago. Windows Performance Analyzer is a very interesting profiling tool that gives very detailed information. It doesn't analyze the boot phase as outlined here, but since we collect performance data over long periods of time current performance data can easily be compared with historical data (which will serve as the baseline data). Here you can use the Load Settings menu to restrict symbols to MicrosoftEdgeCP.exe and WWAHost.exe (a… If this is your first time running WPA, you will need to connect to the internet to download the symbols from the web. @@ -461,7 +461,7 @@ An analyzer trace should explicitly show every link state transition: statements In order to disable selective suspend on a USB device … Double click on the Boot Phases graph to load it into the graph explorer (center window). Expand the computation section by clicking on the arrow key on the left side of the word computation as shown below. WPR is a performance recording tool based on Event Tracing for Windows (ETW). Reboot once to test the automatic logon. Just type wpa in command prompt and it will open WPA GUI for you, a window similar to one shown in below figure. Navigate to the file’s location. You can do this by selecting “Trace/Configure Symbol Paths” from the WPA menu. Expand Computation-> CPU Usage (Sampled)-> DPC and ISR Usage by Module, Stack, right-click and add graph to analysis view. WPA allows users to do a deep system analysis to figure out the cause of power issues. Microsoft Message Analyzer was our tool to capture, display and analyze protocol messaging traffic. To view the collected trace data, you can use Windows Performance Analyzer (WPA). Then right click and select Zoom. The browser version you are using is not recommended for this site.Please consider upgrading to the latest version of your browser by clicking one of the following links. Analysing the captured trace using Windows Performance Analyzer Windows Performance Analyzer is part of the Windows Performance toolkit, which can be installed with the [Windows SDK](https://dev.windows.com/en-us/downloads/windows-10-sdk). Because this is a normal machine, we don’t have any glaring issues. In this blog I will explain how to use the Microsoft* Windows Performance Toolkit (WPT) to determine what causes power issues. If you have saved your ETL file to a location other than the default, navigate to that location. Still, it is good practice to note the services that are running in this stage and their running time. Next, select the “Trace” option in the main menu, and then the “Load Symbols”. Windows Performance Analyzer does not perform power state transition analysis. The Post Boot phase is long but that is due to the two minute timer at the end of the trace. WPA version: 10.0.19041.685(WinBuild.160101.0800) The computer will stop responding to any mouse or keyboard input for a few seconds, then continue on as if nothing happened. (Note that it's not the first version number in the About window; that's the Windows version.) To analyze the trace, open Windows Performance Analyzer and open the ETL file generated in the previous step. // See our complete legal Notices and Disclaimers. WPT is included in the Microsoft* Windows Software Development Kit (SDK). If you have multiple monitors, you will find comparing different traces (and the many graphs contained) simpler. I'm running the Windows Performance Analyzer to find an occasional seize-up on my Windows 7 Professional 64-bit PC. Analyzing collected trace data. Open the captured trace (the.etl file) with Windows Performance Analyzer. Either way, be sure to type in a detailed description, such as Baseline Boot Trace. ETW tracing is disabled by using XP erf , and the data is saved to an ETL trace file. I know, that. It should look like this: Here we displayed the graph in one second of duration. The server is still sluggish. As you can see in the picture below, our trace was successful! password? 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