Jesper Dangaard Brouer

Results 57 comments of 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...