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Windows and Linux confused, fixes #27710 (#27711)

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Alexander Yumashev 2022-11-22 13:19:47 +02:00 committed by GitHub
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aspnetcore/performance/diagnostic-tools.md
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@ -55,7 +55,7 @@ For more about PerfView, see the user's guide available in the tool or [on GitHu
## PerfCollect
While PerfView is a useful performance analysis tool for .NET scenarios, it only runs on Linux so you can't use it to collect traces from ASP.NET Core apps running in Windows environments.
While PerfView is a useful performance analysis tool for .NET scenarios, it only runs on Windows, so you can't use it to collect traces from ASP.NET Core apps running in Linux environments.
[PerfCollect](https://github.com/dotnet/coreclr/blob/master/Documentation/project-docs/linux-performance-tracing.md) is a bash script that uses native Linux profiling tools ([Perf](https://perf.wiki.kernel.org/index.php/Main_Page) and [LTTng](https://lttng.org/)) to collect traces on Linux that can be analyzed by PerfView. PerfCollect is useful when performance problems show up in Linux environments where PerfView can't be used directly. Instead, PerfCollect can collect traces from .NET Core apps that are then analyzed on a Windows computer using PerfView.