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OpenBenchmarking.org

Intel Releases NumaTOP 1.0 Tool

Intel

Published on 17 April 2013 02:00 AM EDT
Written by Michael Larabel in Intel
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Intel's Open-Source Technology Center has done their inaugural release of NumaTOP.

Per its 01.org project page, "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."

Aside from needing this new user-space utility, for those wishing to do this NUMA memory profiling also need to patch their kernel with a perf load latency patch. This perf load support is expected to be merged into a future Linux kernel release.

More details on the NumaTOP development and release from Intel can be found within this kernel mailing list announcement. "Performance analysis engineers know that NUMA can seriously impact performance and that NUMA performance analysis can be challenging. We've realized that currently there isn't an easy-to-use tool that lets us easily observe whether NUMA-related issues exist and, if so, where the NUMA bottleneck(s) reside. It can be quite challenging, especially in complex server environments."

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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