[wasm] tracing/eventpipe/eventsvalidation tests fail with PlatformNotSupportedException

## Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1540634
Build error leg or test failing: tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd

Failing tests:
```
Failed test: tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd
Failed test: tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd
Failed test: tracing/eventpipe/eventsvalidation/GCFinalizers/GCFinalizers.cmd
Failed test: tracing/eventpipe/eventsvalidation/SampleProfilerSampleType/SampleProfilerSampleType.cmd
```

## Error Message

```json
{
"ErrorMessage": [
"System.PlatformNotSupportedException: System.Diagnostics.Process is not supported on this platform.",
"Tracing.Tests.Common.IpcTraceTest.Validate"
],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

> [!NOTE]
> This issue was drafted with GitHub Copilot assistance.

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1540634
**Error message validated:** `[System.PlatformNotSupportedException: System.Diagnostics.Process is not supported on this platform. Tracing.Tests.Common.IpcTraceTest.Validate`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 8/5/2026 7:27:28 PM UTC

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1596646](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1596646)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1596646&view=ms.vss-test-web.build-test-results-tab&runId=44077230&resultId=109088)||
|[1596317](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1596317)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1596317&view=ms.vss-test-web.build-test-results-tab&runId=44069168&resultId=105106)||
|[1594310](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594310)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/SampleProfilerSampleType/SampleProfilerSampleType.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594310&view=ms.vss-test-web.build-test-results-tab&runId=44010132&resultId=105044)||
|[1593544](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593544)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593544&view=ms.vss-test-web.build-test-results-tab&runId=43986444&resultId=103080)||
|[1593272](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593272)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593272&view=ms.vss-test-web.build-test-results-tab&runId=43980210&resultId=105798)||
|[1592915](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592915)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCFinalizers/GCFinalizers.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592915&view=ms.vss-test-web.build-test-results-tab&runId=43972272&resultId=105630)||
|[1592295](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592295)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592295&view=ms.vss-test-web.build-test-results-tab&runId=43955408&resultId=106071)||
|[1590210](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590210)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590210&view=ms.vss-test-web.build-test-results-tab&runId=43893122&resultId=107317)||
|[1589889](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589889)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589889&view=ms.vss-test-web.build-test-results-tab&runId=43884488&resultId=111832)||
|[1589565](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589565)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589565&view=ms.vss-test-web.build-test-results-tab&runId=43876100&resultId=104341)||
|[1589172](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589172)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589172&view=ms.vss-test-web.build-test-results-tab&runId=43867280&resultId=108641)||
|[1588950](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588950)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588950&view=ms.vss-test-web.build-test-results-tab&runId=43860266&resultId=110820)||
|[1588089](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588089)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588089&view=ms.vss-test-web.build-test-results-tab&runId=43829560&resultId=111834)||
|[1587877](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587877)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCFinalizers/GCFinalizers.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587877&view=ms.vss-test-web.build-test-results-tab&runId=43824008&resultId=108855)||
|[1587617](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587617)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587617&view=ms.vss-test-web.build-test-results-tab&runId=43817522&resultId=105653)||
|[1585515](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585515)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/SampleProfilerSampleType/SampleProfilerSampleType.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585515&view=ms.vss-test-web.build-test-results-tab&runId=43752688&resultId=104741)||
|[1584147](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584147)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584147&view=ms.vss-test-web.build-test-results-tab&runId=43707558&resultId=105863)||
|[1583933](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583933)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583933&view=ms.vss-test-web.build-test-results-tab&runId=43702792&resultId=103269)||
|[1583658](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583658)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583658&view=ms.vss-test-web.build-test-results-tab&runId=43695160&resultId=109952)||
|[1583192](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583192)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583192&view=ms.vss-test-web.build-test-results-tab&runId=43682604&resultId=105713)||
|[1582413](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582413)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582413&view=ms.vss-test-web.build-test-results-tab&runId=43654886&resultId=103544)||
|[1581860](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581860)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581860&view=ms.vss-test-web.build-test-results-tab&runId=43644752&resultId=111268)||
|[1581161](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581161)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581161&view=ms.vss-test-web.build-test-results-tab&runId=43623374&resultId=106269)||
|[1580249](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580249)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580249&view=ms.vss-test-web.build-test-results-tab&runId=43586080&resultId=111514)||
|[1579980](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579980)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579980&view=ms.vss-test-web.build-test-results-tab&runId=43577014&resultId=105778)||
|[1579568](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579568)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579568&view=ms.vss-test-web.build-test-results-tab&runId=43568788&resultId=104800)||
|[1579240](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579240)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579240&view=ms.vss-test-web.build-test-results-tab&runId=43556890&resultId=104925)||
|[1578921](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578921)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCFinalizers/GCFinalizers.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578921&view=ms.vss-test-web.build-test-results-tab&runId=43544902&resultId=111799)||
|[1578587](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578587)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578587&view=ms.vss-test-web.build-test-results-tab&runId=43534812&resultId=104968)||
|[1578341](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578341)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1578341&view=ms.vss-test-web.build-test-results-tab&runId=43528984&resultId=106060)||
|[1577967](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577967)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577967&view=ms.vss-test-web.build-test-results-tab&runId=43510128&resultId=107468)||
|[1577664](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577664)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577664&view=ms.vss-test-web.build-test-results-tab&runId=43498942&resultId=110429)||
|[1575591](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1575591)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1575591&view=ms.vss-test-web.build-test-results-tab&runId=43430194&resultId=105776)||
|[1573735](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1573735)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1573735&view=ms.vss-test-web.build-test-results-tab&runId=43361802&resultId=105389)||
|[1572635](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572635)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572635&view=ms.vss-test-web.build-test-results-tab&runId=43332630&resultId=112230)||
|[1572526](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572526)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/GCEvents/GCEvents.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572526&view=ms.vss-test-web.build-test-results-tab&runId=43318182&resultId=104040)||
|[1572278](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572278)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572278&view=ms.vss-test-web.build-test-results-tab&runId=43308842&resultId=105938)||
|[1572025](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572025)|dotnet/runtime|[tracing/eventpipe/eventsvalidation/ExceptionThrown_V1/ExceptionThrown_V1.cmd](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1572025&view=ms.vss-test-web.build-test-results-tab&runId=43299466&resultId=106245)||
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|2|15|38|