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3303-flashcards/hATaBiZQ - 3303/t6YjW9xw - Compare the two main Monitoring Modes Event Trace vs Sampling.md
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Compare the two main Monitoring Modes: Event Trace vs. Sampling.

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  • Event Trace: Collects info on specific state changes via probes; has low overhead (~5%) but shouldn't be used in sensitive areas like interrupt handlers.
  • Sampling: Polls the system state periodically; accuracy is proportional to overhead (higher accuracy requires more frequent polling).