On Fri, Aug 14, 2020 at 6:05 PM Willy Tarreau <w...@1wt.eu> wrote: > > On Fri, Aug 14, 2020 at 05:32:32PM +0200, Sedat Dilek wrote: > > commit 94c7eb54c4b8e81618ec79f414fe1ca5767f9720 > > "random32: add a tracepoint for prandom_u32()" > > > > ...I gave Willy's patches a try and used the Linux Test Project (LTP) > > for testing. > > Just FWIW today I could run several relevant tests with a 40 Gbps NIC > at high connection rates and under SYN flood to stress SYN cookies. > I couldn't post earlier due to a net outage but will post the results > here. In short, what I'm seeing is very good. The only thing is that > the noise collection as-is with the 4 longs takes a bit too much CPU > (0.2% measured) but if keeping only one word we're back to tausworthe > performance, while using siphash all along. > > The noise generation function is so small that we're wasting cycles > calling it and renaming registers. I'll run one more test by inlining > it and exporting the noise. > > So provided quite some cleanup now, I really think we're about to > reach a solution which will satisfy everyone. More on this after I > extract the results. >
Great news! Will you publish your new version in [1]? - Sedat - [1] https://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/cleanups.git/
