From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Jason@zx2c4.com Received: from frisell.zx2c4.com (frisell.zx2c4.com [192.95.5.64]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id d73ad4cf for ; Fri, 4 Nov 2016 16:34:58 +0000 (UTC) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 0ca63be7 for ; Fri, 4 Nov 2016 16:34:58 +0000 (UTC) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id effa3b2c (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128:NO) for ; Fri, 4 Nov 2016 16:34:57 +0000 (UTC) Received: by mail-lf0-f49.google.com with SMTP id b14so68340501lfg.2 for ; Fri, 04 Nov 2016 09:36:20 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <87fun7cnil.fsf@toke.dk> References: <87fun7cnil.fsf@toke.dk> From: "Jason A. Donenfeld" Date: Fri, 4 Nov 2016 17:36:18 +0100 Message-ID: To: =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= Content-Type: text/plain; charset=UTF-8 Cc: WireGuard mailing list Subject: Re: [WireGuard] Major Queueing Algorithm Simplification List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Nov 4, 2016 at 3:45 PM, Toke H=C3=B8iland-J=C3=B8rgensen wrote: > But really, instead of guessing why not measure? > > Simply run a `flent tcp_4up ` through the tunnel (requires a > netperf server instance running on ) and look at the latency > graph. The TCP flows will start five seconds after the ping flow; this > shouldn't cause the ping RTT to rise by more than max ~10ms. And of > course, trying this on a machine that does *not* have a gazillion > megafast cores as well is important :) > > There's an Ubuntu PPA to get Flent, or you can just `pip install flent`. > See https://flent.org/intro.html#installing-flent I maintain the Gentoo package for Flent, actually. I'm doing some benchmarks now...