microsoft/perfview

Freeze processing in EventPipeEventSource if uncaught exception is thrown in callback.

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#1290 aperta il 15 ott 2020

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Descrizione

Environment

  • Microsoft.Diagnostics.Tracing.TraceEvent: 2.0.61
  • Microsoft.Diagnostics.NETCore.Client: 0.2.141901
  • EventPipe sender app and receiver app's TFM: net5.0-rc2

Steps to reproduce

  1. run app which produce EventSource event periodically
  2. start EventPipe session by DiagnosticClient
  3. create EventPipeEventSource from event stream
  4. set callback to DynamicEventParser.All
    • Exception will be thrown in callback
  5. start processing

full test code is uploaded to gist

Expected result

callback is invoked periodicaly, or at least terminate event processing when EventPipeEventSource.StopProcessing is called.

Actual result

callback was never invoked again, and EventPipeEventSource.Process never returned, even if EventPipeEventSource.StopProcessing was called.

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