An Adventure of Analysis and Optimisation of the Linux Networking Stack

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Proceedings of NetDev 1.1: The Technical Conference on Linux Networking (February 10th-12th 2016. Seville, Spain) Next steps 2 6
What’s next • Benchmark benefits of RT-patch in the end-point scenario • Dig deeper into the MTU weirdness • We had troubles using memory from huge pages allocation for the RX/TX rings in the PACKET_MMAP case; • We’re going to investigate this further • Create a standalone app for L3 forwarding using PACKET_MMAP • Investigate benefits of QDISC_BY_PASS • Characterize performance optimisation using some real-life scenarios (i.e. customers’ use cases, etc.) • Start working on our 3 rd phase and (hopefully) collaborate on code enhancements to the netdev mailing list soon • Identify bottlenecks Proceedings of NetDev 1.1: The Technical Conference on Linux Networking (February 10th-12th 2016. Seville, Spain) – locks, memory copies, interrupt handlers, cache misses, TLB misses, etc. 27
Page 1 and 2: Proceedings of NetDev 1.1: The Tech
Page 3 and 4: Agenda Proceedings of NetDev 1.1: T
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Page 31 and 32: Introduction Proceedings of NetDev
Page 33 and 34: Cycle Proceedings of NetDev 1.1: Th
Page 35 and 36: Cycle Proceedings of NetDev 1.1: Th
Page 37 and 38: Setup Proceedings of NetDev 1.1: Th
Page 39 and 40: BIOS Options Proceedings of NetDev
Page 41 and 42: Kernel Configuration Feature Procee
Page 45 and 46: proc/interrupts Proceedings of NetD
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An Adventure of Analysis and Optimisation of the Linux Networking Stack

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