Trace Analysis Patterns (Part 90)

We recently analysed a Process Monitor log which had a several hour gap. So we decided to describe it as Blackout pattern. If you see such a pattern it might have the following possible causes:

- Some files from Split Trace are missing
- Split Trace file set was artificially created
- The tracing scope system was paused or frozen (for example, a virtualized system), or restarted
- The tracing itself was paused

Blackout trace and log analysis pattern

Blackout is different from Visibility Limit where the latter is about the inherent inability to trace whereas the former is only temporary inability due to circumstances listed above. It is also different from Discontinuity pattern where the latter is about gaps in individual Threads of Activity or Adjoint Threads of Activity

- Dmitry Vostokov @ + -

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