From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) (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 91AFD3B29E for ; Sun, 14 Jun 2020 10:55:37 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1592146535; bh=Xzdr3LAulyyYLci4qdXVah7U7kV5Gw3w3P6ctPe3np4=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=E4W7BPIrsWGSqHclMPeV5tYKXTlxYTAllY1Ny+amUXiv+q4PWhBVuKjS61fd5/3oZ YPzMPj8ZR/57ESSkp5cuznV7Gl2WfTBqgzBdx7QUaDWPkqOzH1mkimbX0tStFQvjcW l05XwSyDEUTMNDoEpKlm4fjC4gmrjfw+Ato5fcYs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from hms-beagle2.lan ([77.1.212.11]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MKsjH-1jUKCo2iuT-00LES8; Sun, 14 Jun 2020 16:55:35 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.14\)) From: Sebastian Moeller In-Reply-To: Date: Sun, 14 Jun 2020 16:55:34 +0200 Cc: bloat@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Sergio Belkin X-Mailer: Apple Mail (2.3445.104.14) X-Provags-ID: V03:K1:77RM6XAZDbzy89aOTWcgmK3zuXtqY4R+KNgB3ZnPBO7vsQMCfPQ CM0i5YsYy5Z3G7m1aB2/P9407nKh5EH+l/WkwvqOqVpSImYPWGTITdQd38TvZXcMmGr+sur f+0gZYKwqQB1bnx+l11H+wI70JPQLDh09nZ8u/EwT9yGT8RCr/VruzouPGl7QgLPz2Jq7XP /FudSA6EAbgoupEQxT+gg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:bJNE+YukLK4=:8Xm5FGDo8/y1SCIwX0teso bA2qF2/6Xq6VvRKoVnA99jcDQg75ssLPQLKyToCrq3pwNTWOrMflgoZmSj6Wq9NAS0hIlEUNf UdSYuhz9SvpeNDIcXgHoMViyCjf1fJhgu+aeevf1BB4si2sHlP1TZO+qpzCflvbeVUvjnWF26 rUMxdASZ3A8DKVJ6m0Vc9p9yROAXiaOaUDHjW2VIPphaFN0ZNBDMvZQg2aC1+DgXCBrUvaEJS IdB3G3+aBN6KQ1OMHKLIv/geRJjUEBgVzzphJtObrdbz2pNUwTnS250VwLlxok+vYAT7G9duD TtYt+ZR2w7TQRnRb27rJn+qsjljFTyPKois5r6pGhgas5M808sPC5e1nGmuxDUWLvyVvJ0Gu8 W21u4ZCJcT4WKl9YSIxuMMjTTeEi36qX9T+LUvBlgah6fqf/7J6Fs1YVuokNm9BkSCKUFLN25 WloL5vNxnO4YtTshgq/ZMWsqMXxq4OZTAuWJPEl1nEmacSMX9T8j+oW/xeItBLv6zk+jvpJEX 3b/Kj8k4MARHVvwpBoPmKp6U3gldNUtGPuGED9ld//JNWYrnPQimsnVyZdeG5fdDMw1YCXihs yC5af+36h2iy5Z7etagpIPSHiiau3rWAZ2yQcKbVBmEx49TtXLXuNdyLkJsSZPHoxDqzakmhA Uirl7PhMqyUdoeiNgzb6lhtjAFd8MZpctHNNQWRFRl+SuYAmq6KVFRnxIHsiY5K0QdkPuJ18z ivBGFPPnKmW4wM5Qa3DJ+BOT5sYLUkpnEi5fyFl9ZMiQOWTeqLoETANLS/a3lMIY7krFhBUau xZvvGPNRB/KXRiFBGbetxHirgHNA2HLxXyV2VJlIq22hNtWAkbeGsfOEItlFnNOGe1MrR1WIM dzumFs2I6J+1DGJdJ79GfZmMViMBtJW1rSLD2URV4E5YPUV3mip6q3F4LwhOnrdzl+hRTHKKF xhjsfk39Zwz/Pb2J5xhQhMVKzLhHCCiYlm2Zb1NnW47leZkXu/xrdh94T6JuHf+OKx89WxxKz DgZfZ/fSFclba/Bxx1rzEAjzCJavP/6O/We8ipicGaeN+Ix7yCd3UBe5NuW8NAvdrJH6CMLUc jDaT8ii0dcsMPoMDrkxrkwtv1uCuPyawR05SgVyt7nEClt4wWGf9ZtRRoq9uDKxBxi7FikVbP Fo5RTgZLS3ZDjOizIU1ofgRCz/ORnsf2CSo4lPhE6ZqDSiKQINTsj4L3VwrxDL3tlehSBY+1T uaduuoGOpG4qCcu0D Subject: Re: [Bloat] Is still netperf a valid tool? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Jun 2020 14:55:37 -0000 Hi Sergio, IMHO netperf is a convenient toll to generate load, and for measuring = bufferbloat, or latency under load increase, generating saturating loads = is an important step. So I see no reason why the fct that netperf is = relatively mature and sees only little change nowadays speaks against = using it. I note that optionally the actual latency measurement can/will = be performed using irtt... I guess the real experts will be able to offer a more nuanced = opinion... Best Regards Sebastian > On Jun 14, 2020, at 16:36, Sergio Belkin wrote: >=20 > Hi, > I've seen that many of the recommended tools to diagnose/troubleshoot = bufferbloat use netperf. > Netperf in https://github.com/HewlettPackard/netperf has many years of = inactivity. In fact, in recent versions of distros don't include it. > So, my question is: is still netperf a reliable tool? > Thanks in advance! > --=20 > -- > Sergio Belkin > LPIC-2 Certified - http://www.lpi.org > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat