cyberneticlibrary

Debug production with Spelunker investigation

spelunkercommandsetup L10
Cortexa-LLC/xasm-plus-plus
What it does

Debug production issues via runtime tracing and live state inspection

Best for

Investigating production-only or Heisenbug issues where static analysis alone cannot explain runtime behavior

Inputs
  • · service logs
  • · APM tool access
  • · process list
  • · error tracking system
  • · live system access (read-only)
Outputs
  • · Runtime Investigation Report with execution trace
  • · incident documentation
  • · root cause analysis
Requires
  • · APM tools (DataDog/NewRelic optional)
  • · debugger
  • · log tail
  • · profiler
  • · git
Preconditions
  • · production access or staging replica
  • · logs available
  • · permission to read-only query prod
Failure modes
  • · intermittent bugs cannot be reproduced
  • · timing-sensitive issues disappear under debugger
  • · distributed system tracing gaps
Trust signals
  • · Explicit safety rules (never modify prod)
  • · Phase 5 instrumentation checklist
  • · incident report template with git note persistence