From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-x22f.google.com (mail-pb0-x22f.google.com [IPv6:2607:f8b0:400e:c01::22f]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 80F6121F1D4 for ; Tue, 14 May 2013 08:47:30 -0700 (PDT) Received: by mail-pb0-f47.google.com with SMTP id rr4so537734pbb.6 for ; Tue, 14 May 2013 08:47:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:date:from:to:cc:subject:message-id:in-reply-to :references:x-mailer:mime-version:content-type :content-transfer-encoding:x-gm-message-state; bh=nwsfPfjdxZHNcO+xaX3cXVIBMkCaEv2VevrshRxqEus=; b=WBHREREg8l5eGLl55R8SiQy8EkKoh2izXcdst5Tdqk64gc3tpyjd2mBfG0pEyEFtPm NYj0VuoreQ9enT76JI20nOfTC9HM6fqCQ8oMfv/xJsiV6mxRxv125w43SyCCA9nHn4aI hdI2wwLrAnlzbf9j+E8Af/cEngPPcnLvEf/dKePVZ93J8APMKr+/Voffu59is17lxw3l 1BpGA3IwTmUtQv4zDFGIrJWJ3lorKWkZiftNGxyHEltqwPmy+eQw65A/IBOiu61+ZLvq LUMPwmuyX8vXfg4Y/fz01WRsZ/QND4njQobs9N0iDo65AO6oDp8XPh/2txmN2rZOxNTU 5f+Q== X-Received: by 10.66.74.170 with SMTP id u10mr35571496pav.202.1368546450100; Tue, 14 May 2013 08:47:30 -0700 (PDT) Received: from nehalam.linuxnetplumber.net (static-50-53-71-109.bvtn.or.frontiernet.net. [50.53.71.109]) by mx.google.com with ESMTPSA id uq10sm18735730pbc.5.2013.05.14.08.47.28 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 14 May 2013 08:47:29 -0700 (PDT) Date: Tue, 14 May 2013 08:47:26 -0700 From: Stephen Hemminger To: Jesper Dangaard Brouer Message-ID: <20130514084726.0fcd715a@nehalam.linuxnetplumber.net> In-Reply-To: <20130514154838.2d9622b7@redhat.com> References: <20130514154838.2d9622b7@redhat.com> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Gm-Message-State: ALoCoQnjMTKNA4qsbgjNCWKVPgRy6P+tD9gsIS6bjsv/zO3agVbwbOX8Rx/g/Zc0fZBHfjnrx+yV Cc: "codel@lists.bufferbloat.net" , "bloat@lists.bufferbloat.net" Subject: Re: [Codel] [Bloat] Network test tools for many parallel/concurrent connections? X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 May 2013 15:47:30 -0000 On Tue, 14 May 2013 15:48:38 +0200 Jesper Dangaard Brouer wrote: > > (I'm testing fq_codel and codel) > > I need a test tool that can start many TCP streams (>1024). > During/after the testrun I want to know if the connections got a fair > share of the bandwidth. > > Can anyone recomment tools for this? > > After the test I would also like to, "deep-dive" analyse one of the TCP > streams to see how the congestion window, outstanding-win/data is > behaving. Back in 2005 I used-to-use a tool called > "tcptrace" (http://www.tcptrace.org). > Have any better tools surfaced? > You may want to look at some of the "realistic" load tools since in real life not all flows are 100% of bandwidth and long lived.