Jesper Dangaard Brouer
Jesper Dangaard Brouer
Why do you need to analyze the PMT table and to check the scrambling? What is the use case?
That is a lot of questions... I'll try to answer (the ones I can) in separate comments
> (i) The xdp paper mentions kernel configurations such as disabling full preemption and retpoline mitigation. would you happen to have (pointers to) any data that discusses the relative importance...
> In general, if there is any chance you could provide a diff of your kernel config from the baseline config of the distribution, I would be very grateful. You...
> (ii) The retpoline config for the kernel is easy enough to find (CONFIG_RETPOLINE). Could you pls point me to the full-preemption disabling config? Hmm... did we write that we...
> (iii) I couldn't find concrete documentation (with a quick google search) on PCIe descriptor compression. Apologies if I'm missing something basic. I'd be highly appreciative of any pointers on...
> (iv) after following through with the NIC configs (RSS + ethernet flow control + NIC striding etc., trying a few different RX ring sizes) and IRQ affinity, as described...
Loop in @LorenzoBianconi On the kernel side we are planning to make these XDP counters more consistent across driver.
> ``` > ./xdp-cpumap-tc/bin/xps_setup.sh -d INTERFACE --default > ``` I need to **correct this**! - Above commend **enables** *xps* and we *MUST* **disable** *xps* for TC-BPF-program to have effect. -...
> I apologize for the mistake, thank you for pointing this out! I have edited both here and on LibreQoS to reflect this correction. Thanks for editing and fixing the...