From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 9D9483B29E; Fri, 12 May 2023 11:53:13 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1683906788; i=moeller0@gmx.de; bh=pAJA2XyD1vXE2KJi0dEWltsWkOs1ZMnvZEn07HAnpfE=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=cRfyuQ5IP4lOKyJVNV6jZ3j1c9V49YkY2+kyZgkYPQ0I0uNqBNtquK3JLQjiVCmw4 pqZ5SQJdJagI39kdtXREb5FPt/GNXED/2nWHtSnrRfgj/Y/Z/Oj7BCzAr286Bz2Hjj ZKY0ojCaQFuetjlJSnmTKBpppTwE1YKi+t2Vmp2sTJIdTgCIK5Vm1AWRhAW9JPGhVN 0Db4gc4Lo+ZbwGZYCpklErTczAQXe42Ubxgi1k/i7v7bCDXxJXZhsngLWPsARHwu/L 4blUIYMN6LOKNR6j0Qix//X9/+9/dfFILdjCVCShol8J7/w9mWRAjIP0oAyc9ZHsSe gDM0ogPQLQFTQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from smtpclient.apple ([134.76.241.253]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1M9nxn-1psIYD34Gz-005sU8; Fri, 12 May 2023 17:53:08 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.3\)) From: Sebastian Moeller In-Reply-To: Date: Fri, 12 May 2023 17:53:07 +0200 Cc: =?utf-8?Q?Dave_T=C3=A4ht?= , Rpm , bloat Content-Transfer-Encoding: quoted-printable Message-Id: <79E5C5FF-D265-449A-9A36-4D819E27B1A5@gmx.de> References: To: rjmcmahon X-Mailer: Apple Mail (2.3696.120.41.1.3) X-Provags-ID: V03:K1:AzPci4GHi7m6WCS4CJSDpG7AaTBmsTOlAJPeBoOCZBu/8apk0Uj fX36fUJnkIXoLmX2p1Sjgz7YqusHGInKYY+hqExd6JTw5ZesXiwUU9DZ574oWDeBoJesdrA d62wUAS209dcQ6U3DXwMJNaXqtRNmpSlUacgzHxsmcFknkcNZK1bj+sCj4VwB2E0I8U8g8y 34LFyDmN8aINA/55jjyUQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:HxdSicLGEs4=;rYQgDSWVnSQC8eHOK8sjCWpBMUd CEtqUE/HQnf+KdaG8s7Dl8iyZxvLQitT+S0bAy6CZoSLVQi10vdU5RxosZhYYzwvz2fR9X3WC 3+i+MdyA87CaSDzoz8tXPvnpXgbua61PypE1yMB/9enbCD83bNGC8q1n+gjUGhdaosFcJW2QM /K4jSB2dcPXZDrx8/n2DWiFnWqokb3xW36wHmhoDOahKFaao+wp2qBgOA8eRemA5cc/J190xC yY1DBAjDdk3Ouyu/U3G963bUu/SSuWQnj/h2+7gL0OgoVwkh2Xz1fJQldSvJSxEfGsa0iaBqM FHKFelP7tDapTMpngjVGsD2ftmIuivjBRNItqJN0tD86S5bUI0pl6Mz4ORlCuDyZP4McOVCHH h72F4+WLEK2VkzaqM/5kFDh3xFfBooWaibAnZOc1IBqYNipvvKJynXXLBOrGFN5kGLNwbKcyi UDDkTBp5Ajbxu5CAMCAPZDpZUP8g+V27JL519MVnCs6rRZaT5oksc6CcQ+4uu30rkFbOUnEpu RY2/zVK6TXtnajN6j67wnXM0AYw5gm9EJN1SKGNDD7gwObNWXydpXJ5O9aWT7D8OqEXjg7aEc BuwC29RkWoFB7Ucb9ZQpF3OnKy3l1ZLZNmhHDZUTIBtQS51d9LJfoRldpkl3IFRpGCFutjygW Rv0qUKKb8aZlL3322va+qNuXSfC/d2397zCsAiCeExIhFSpUPfrNQZHglCsfPnGOmx2wcjIc4 GxyG4N3ol0u0SjGySUt614FzftVH2gg8eNGDZXU238YJ2CYL+hEFuz6BjRMoUcb5Jhj6XIp5e K+xW5JhThajPUwzYZlfAcHuvkwjQSLg3E3XSQD+fnh2trh+OV2hal1JZYMH3rXL5rxuFKrw+S WdCj2ErS/sNsHz4yJUVngcayCMlTZmhdbVqpb83Lfi1CKUA3KKZeiH+2dx+eIwCMSz7LsvXfs MnqdrkOjKsUkBHM44pgToCWVlPU= Subject: Re: [Rpm] iperf 2 bounceback - independent request/reply sizes X-BeenThere: rpm@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: revolutions per minute - a new metric for measuring responsiveness List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 May 2023 15:53:14 -0000 Hi Bob, funny, that is a feature we wanted recently for cake-autorate (not for = the controller but for hypothesis testing of what funny things might = happen over LTE). Our "poor man's" version was ICMP echo requests = against 8.8.8.8 as google accepts large echo requests, but only sends = "truncated" replys.... Have a real tool like iperf2 allow to request the size per direction = directly is much better (well, it leaves the challenge of getting one's = own iperf2 server up somewhee accessible on the internet). Regards Sebastian > On May 12, 2023, at 17:46, rjmcmahon via Rpm = wrote: >=20 > Hi All, >=20 > I received a recent diff for iperf 2 to support independent request = and reply sizes for the bounceback test. It's nice to get diffs that can = be patched in! >=20 > [root@ctrl1fc35 ~]# iperf -c 192.168.1.231 --bounceback = --bounceback-reply 512K > ------------------------------------------------------------ > Client connecting to 192.168.1.231, TCP port 5001 with pid 305401 (1 = flows) > Bounceback test (req/reply size =3D 100 Byte/ 512 KByte) (server hold = req=3D0 usecs & tcp_quickack) > Bursting request 10 times every 1.00 second(s) > TCP congestion control using reno > TOS set to 0x0 and nodelay (Nagle off) > TCP window size: 85.0 KByte (default) > ------------------------------------------------------------ > [ 1] local 192.168.1.15%enp2s0 port 42800 connected with = 192.168.1.231 port 5001 (bb w/quickack len/hold=3D100/0) (sock=3D3) = (icwnd/mss/irtt=3D14/1448/3302) (ct=3D3.36 ms) on 2023-05-12 = 08:36:57.163 (PDT) > [ ID] Interval Transfer Bandwidth BB = cnt=3Davg/min/max/stdev Rtry Cwnd/RTT RPS(avg) > [ 1] 0.00-1.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D10.924/7.497/27.463/5.971 ms 0 14K/3992 us 92 rps > [ 1] 1.00-2.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D10.068/7.274/21.120/3.963 ms 0 14K/4307 us 99 rps > [ 1] 2.00-3.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.674/8.148/17.413/2.798 ms 0 14K/4243 us 103 rps > [ 1] 3.00-4.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.858/7.587/20.889/3.961 ms 0 14K/4474 us 101 rps > [ 1] 4.00-5.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.872/7.558/17.720/2.842 ms 0 14K/4692 us 101 rps > [ 1] 5.00-6.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.649/6.844/18.537/3.205 ms 0 14K/4301 us 104 rps > [ 1] 6.00-7.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.502/7.083/19.839/3.697 ms 0 14K/4153 us 105 rps > [ 1] 7.00-8.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D9.965/7.747/22.194/4.350 ms 0 14K/4357 us 100 rps > [ 1] 8.00-9.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D10.072/7.936/20.307/3.730 ms 0 14K/4442 us 99 rps > [ 1] 9.00-10.00 sec 5.00 MBytes 42.0 Mbits/sec = 10=3D10.031/8.109/19.907/3.551 ms 0 14K/4086 us 100 rps > [ 1] 0.00-10.02 sec 50.0 MBytes 41.9 Mbits/sec = 100=3D9.962/6.844/27.463/3.740 ms 0 14K/4152 us 100 rps > [ 1] 0.00-10.02 sec BB8(f)-PDF: = bin(w=3D100us):cnt(100)=3D69:1,71:1,73:1,75:1,76:3,77:1,78:2,79:3,80:3,81:= 1,82:6,83:7,84:1,85:3,86:4,87:4,88:4,89:5,90:7,91:3,92:4,93:2,95:8,96:3,97= :1,98:1,99:1,101:3,102:1,103:1,104:1,106:2,123:1,175:1,178:1,186:1,199:1,2= 00:1,204:1,209:1,212:1,222:1,275:1 = (5.00/95.00/99.7%=3D76/204/275,Outliers=3D1,obl/obu=3D0/0) >=20 > Bob > _______________________________________________ > Rpm mailing list > Rpm@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/rpm