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30-Sep-2016 |
Adrian Chadd <adrian@FreeBSD.org> |
Add librss, a simple wrapper around RSS APIs so applications can begin auto-tuning. I've used this in a handful of RSS test applications. It is just some very simple functions to fetch the RSS configuration, query the per-bucket CPU set, and mark sockets as local to an RSS bucket. It should be sufficient for both thread-based and process-based workloads. (Yes, I wrote a manpage.) This is based on some early RSS API and wrapper API work I did whilst I was at Netflix. Thanks to Netflix for the very original work that spawned this; thanks to Peter Grehan for his feedback about RSS APIs and thanks to Jack Vogel and Navdeep Parhar for the NIC-facing side of the APIs. These fed into the simple userland API I wrote up here. Reviewed by: gallatin
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