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NumaTOP is an observation tool for runtime memory locality characterization and analysis of processes and threads running on a NUMA system. It helps the user characterize the NUMA behavior of processes and threads and identify where the NUMA-related performance bottlenecks reside. The tool uses Intel performance counter sampling technologies and associates the performance data with Linux system runtime information, to provide real-time analysis in production systems.

This document introduces NumaTOP's capabilities with a real usage example.

PDF icon numatop_introduction.pdf1.03 MB