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gwg313 2026-04-20 23:04:31 -04:00
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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).