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Visualize dotnet counters from the Visual Studio profiler

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Applies to: yesVisual Studio noVisual Studio for Mac

Note

This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

The .NET Counters tool allows you to visualize dotnet counters over time right from within the Visual Studio profiler.

Note

The .NET Counters tool requires Visual Studio 2019 version 16.7 or later and targets .NET Core 3.0+.

Setup

  1. Open the Performance Profiler (Alt + F2 or Debug -> Performance Profiler) in Visual Studio.

  2. Select the .NET Counters check box.

    Counters tool selected.

  3. Click the Start button to run the tool.

For more information on how to optimize tool performance, see Optimizing Profiler settings.

Understand your data

While the tool is initially collecting data, you can see the live values of dotnet counters.

.NET Counter tool collecting.

You can also view graphs of the counters by selecting the checkbox next to the counter names. You can display the graphs of multiple counters at a time.

Once you are done exercising your app and collecting data, you can stop collection for an even more detailed report. To do this, press the Stop Collection button.

Once the report loads, you should see a finalized report similar to the one shown below.

.NET Counter tool report.

The report shows you the following values:

  • Min - The minimum value for that counter in the selected time range.
  • Max - The maximum value for that counter in the selected time range.
  • Average - The average value for that counter in the selected time range.

You can filter or add columns in the table by right clicking the column headings and selecting a heading.

.NET Counter tool columns.

You can also view graphs in the detailed report by selecting the checkboxes next to counters. The data in the tables represents the values of the entire duration of your collected trace by default. To filter down the data to a specific time range, click and drag on the graphs.

.NET Counters tool time filtering.

The table updates to relevant values for the time selected in the graphs. Use the Clear Selection button to reset the selected time range to the entire trace.

See also