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how do i get lowest possible datagram latency on Linux these days? io_uring? dpdk? raw sockets? running a kernel with real time patches (recent NixOS boot.kernelPackages = pkgs.linuxPackages-rt) dedicated machines, dedicated gigabit ethernet link(s), rt scheduling (jack audio)

2:56 PM · Aug 28, 2022Twitter Web App

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looking into dpdk it seems that this could in principle be used for hard real time applications dedicated cores interact with nics directly using shared memory (dram or cache) and cores uses polling receive

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DEVELOPMENT OF ETHERNET BASED REAL-TIME APPLICATIONS IN LINUX USING DPDK inspirehep.net/files/6d0e2ad4

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AF_XDP / eBPF kernel.org/doc/html/lates

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A practical introduction to XDP

LPC2018 - A practical introduction to XDP

url: https://linuxplumbersconf.org/event/2/contributions/71/speaker: Jesper Dangaard Brouer (Red Hat), Andy Gospodarek (Broadcom)The eXpress Data Path (XDP...

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supported for intel igb since linux 5.10 i have two dual intel 82576 in the junk box so there you go no more excuses

Benjamin Golinvaux

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I am interested by your future findings on that topic! :)

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the landscape seems quite complex with many different approaches so not sure where to start...