"Unknown call stacks" nodes in Timeline call tree view in case of profiling x64 applications in Windows 7 or earlier versions

  • Description: A snapshot obtained during Timeline profiling session may contain "Unknown Call Stacks" nodes in call tree in case of profiling x64 in Windows 7 or earlier versions. dotTrace Timeline profiling is based on Event Tracing for Windows (ETW). The issue is caused by related problem in ETW stack walker.
  • Status: The problem is neither caused nor can be resolved by dotTrace.
  • Workaround: No workaround available.
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