On the left of the panel, there are different performance graphs, the performance data behind different graphs come from different kernel providers, you can drag the graphs to the right panel to do analysis. WPA user interface as below, it can be used to analyze different performance problems, like CPU usage, Memory leak, Interrupt, Storage, etc. WPR is based on ETW (Event Trace for Windows), different windows kernel components register themselves as kernel providers, when the provider is enabled, the corresponding kernel component will write performance data into the kernel ring buffers, then the consumers are able to read them from the ring buffers, when providers are disabled, they have no cost to the system, just like Tracepoint in Linux like Perf and FlameGraph in Linux, the latest version of WPA is also able to show CPU usage in Flame graph. The Windows Performance Toolkit is the most powerful performance analysis tool provided by Microsoft for free, It consists of two independent tools: Windows Performance Recorder (WPR) to record performance data, and Windows Performance Analyzer (WPA) to analyze the performance data collected by WPR. It was really a bad experience, so I decided to dig into it Windows Performance Toolkit In this article, I’m going to talk about how to use WPT(Windows Performance Toolkit) to analyze CPU problems of programs BackgroundĪ few days ago, I was coding happily, and when I prepared to push the codes to the server, I right-clicked in the explorer of the project, selected “Git Bash Here”, then I waited, waited, waited, almost 10 seconds later, I was able to type commands in the git bash.
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