From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.toke.dk X-Spam-Level: X-Spam-ASN: X-Spam-Status: No, score=-101.9 required=5.0 tests=BAYES_00,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.4.2 Received: from mail.toke.dk by mail.toke.dk with LMTP id 9n9yDTZycl2FRgAAOr1fkg (envelope-from ) for ; Fri, 06 Sep 2019 16:50:30 +0200 Authentication-Results: mail.toke.dk; none (SPF check N/A for local connections - client-ip=77.235.54.103; helo=web6.sd.eurovps.com; envelope-from=flent-users-bounces@flent.org; receiver=) Authentication-Results: mail.toke.dk; dkim=fail reason="signature verification failed" (1024-bit key) header.d=github.com header.i=@github.com header.b=INnHD64n Received: from web6.sd.eurovps.com (web6.sd.eurovps.com [77.235.54.103]) by mail.toke.dk (Postfix) with ESMTPS id 0D6FB6627E6 for ; Fri, 6 Sep 2019 16:50:28 +0200 (CEST) Received: from [::1] (port=47984 helo=web6.sd.eurovps.com) by web6.sd.eurovps.com with esmtp (Exim 4.92) (envelope-from ) id 1i6FZC-009uqA-VU; Fri, 06 Sep 2019 17:50:26 +0300 Received: from out-1.smtp.github.com ([192.30.252.192]:44881) by web6.sd.eurovps.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1i6FZ3-009ujD-4Z for flent-users@flent.org; Fri, 06 Sep 2019 17:50:23 +0300 Date: Fri, 06 Sep 2019 07:49:36 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1567781376; bh=QtI1GswNM8awnRn6BvYPZjPoJ2eUwRkGkPkWe6CQBWM=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=INnHD64n3MB0pl1Rbe4Jsm9+1l7hHhso+k6tUTIR+k0oDK77+mHFndJmhsBg83dFJ tlGnnuPhnrplkobDSUHGv3RYmFnYuqzacb7ghO1fN9W/d4BXb+hHA7VCEqfDC+fiU2 XsSwwt1rqII/UDl2Zy3RShUp/PwNnPmzaZf5SiR4= From: =?UTF-8?B?RGF2ZSBUw6RodA==?= To: tohojo/flent Message-ID: In-Reply-To: References: Mime-Version: 1.0 Precedence: list X-GitHub-Sender: dtaht X-GitHub-Recipient: flent-users X-GitHub-Reason: subscribed X-Auto-Response-Suppress: All X-GitHub-Recipient-Address: flent-users@flent.org Subject: Re: [Flent-users] [tohojo/flent] flent: extremely high ping times on macOS (#178) X-BeenThere: flent-users@flent.org X-Mailman-Version: 2.1.27 List-Id: Flent discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: tohojo/flent Cc: Subscribed Content-Type: multipart/mixed; boundary="===============1923930728374735454==" Errors-To: flent-users-bounces@flent.org Sender: "Flent-users" X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - web6.sd.eurovps.com X-AntiAbuse: Original Domain - toke.dk X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - flent.org X-Get-Message-Sender-Via: web6.sd.eurovps.com: acl_c_authenticated_local_user: mailman/mailman X-Authenticated-Sender: web6.sd.eurovps.com: mailman@flent.org --===============1923930728374735454== Content-Type: multipart/alternative; boundary="--==_mimepart_5d7272008c9da_26123fe7eeecd9641040d9"; charset=UTF-8 Content-Transfer-Encoding: 7bit ----==_mimepart_5d7272008c9da_26123fe7eeecd9641040d9 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Rich Brown writes:=0D =0D > Using Flent 1.3.0 with fping 4.2 on macOS 10.2.6:=0D >=0D > I see high ping times (>100 msec in the following report) despite the=0D= > fact that actual ping times (measured by fping during the flent test)=0D= > are 20-30 msec, and none higher that 47 msec. (I am on 7mbps/768kbps=0D= > DSL, so the 6.95mbps seems accurate.)=0D >=0D > Here is the data file.=0D > tcp_ndown-2019-09-06T074544.888052.Rich_Test.flent.gz=0D >=0D > What other information could I provide? Thanks.=0D >=0D > bash-3.2$ flent -x -H flent-fremont.bufferbloat.net -t "Rich_Test" --te= =3Ddownload_streams=3D4 tcp_ndown=0D > Started Flent 1.3.0 using Python 2.7.15.=0D > Starting tcp_ndown test. Expected run time: 70 seconds.=0D > Data file written to ./tcp_ndown-2019-09-06T074544.888052.Rich_Test.fle= nt.gz.=0D >=0D > Summary of tcp_ndown test run from 2019-09-06 11:45:44.888052=0D > Title: 'Rich_Test'=0D >=0D > avg median # data pts=0D > Ping (ms) ICMP : 104.03 105.00 ms 350=0D =0D I have seen this statistic be wildly wrong in the summary but correct in=0D= the graph.=0D =0D > TCP download avg : 1.71 1.74 Mbits/s 300=0D > TCP download sum : 6.83 6.95 Mbits/s 300=0D > TCP download::1 : 1.55 1.56 Mbits/s 281=0D > TCP download::2 : 1.85 1.83 Mbits/s 282=0D > TCP download::3 : 1.53 1.54 Mbits/s 282=0D > TCP download::4 : 1.91 1.90 Mbits/s 287=0D > bash-3.2$=0D > bash-3.2$ fping --version=0D > fping: Version 4.2=0D > fping: comments to david@schweikert.ch=0D >=0D > bash-3.2$ fping -c 1000 gstatic.com -D=0D > [1567770338.594778] gstatic.com : [0], 84 bytes, 20.7 ms (20.7 avg, 0% = loss)=0D > [1567770339.600662] gstatic.com : [1], 84 bytes, 21.7 ms (21.2 avg, 0% = loss)=0D > [1567770340.602339] gstatic.com : [2], 84 bytes, 21.5 ms (21.3 avg, 0% = loss)=0D > [1567770341.605205] gstatic.com : [3], 84 bytes, 22.2 ms (21.5 avg, 0% = loss)=0D > [1567770342.608899] gstatic.com : [4], 84 bytes, 21.0 ms (21.4 avg, 0% = loss)=0D > [1567770343.613397] gstatic.com : [5], 84 bytes, 21.4 ms (21.4 avg, 0% = loss)=0D > [1567770344.618612] gstatic.com : [6], 84 bytes, 21.5 ms (21.4 avg, 0% = loss)=0D > [1567770345.618789] gstatic.com : [7], 84 bytes, 20.8 ms (21.3 avg, 0% = loss)=0D > ...=0D >=0D > =E2=80=94=0D > You are receiving this because you are subscribed to this thread.=0D > Reply to this email directly, view it on GitHub, or mute the thread.=0D= =0D =0D -- =0D You are receiving this because you are subscribed to this thread.=0D Reply to this email directly or view it on GitHub:=0D https://github.com/tohojo/flent/issues/178#issuecomment-528885331= ----==_mimepart_5d7272008c9da_26123fe7eeecd9641040d9 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Rich Brown <notifications@github.com> writes:
=0D
=0D > Using Flent 1.3.0 with fping 4.2 on macOS 10.2.6:
=0D >
=0D > I see high ping times (>100 msec in the following report) despite= the
=0D > fact that actual ping times (measured by fping during the flent test= )
=0D > are 20-30 msec, and none higher that 47 msec. (I am on 7mbps/768kbps=
=0D > DSL, so the 6.95mbps seems accurate.)
=0D >
=0D > Here is the data file.
=0D > tcp_ndown-2019-09-06T074544.888052.Rich_Test.flent.gz
=0D >
=0D > What other information could I provide? Thanks.
=0D >
=0D > bash-3.2$ flent -x -H flent-fremont.bufferbloat.net -t "Rich_Te= st" --te=3Ddownload_streams=3D4 tcp_ndown
=0D > Started Flent 1.3.0 using Python 2.7.15.
=0D > Starting tcp_ndown test. Expected run time: 70 seconds.
=0D > Data file written to ./tcp_ndown-2019-09-06T074544.888052.Rich_Test.= flent.gz.
=0D >
=0D > Summary of tcp_ndown test run from 2019-09-06 11:45:44.888052
=0D= > Title: 'Rich_Test'
=0D >
=0D > avg median # data pts=0D > Ping (ms) ICMP : 104.03 105.00 ms 350=0D
=0D I have seen this statistic be wildly wrong in the summary but correct in<= br>=0D the graph.
=0D
=0D > TCP download avg : 1.71 1.74 Mbits/s 300=0D > TCP download sum : 6.83 6.95 Mbits/s 300=0D > TCP download::1 : 1.55 1.56 Mbits/s 281=0D > TCP download::2 : 1.85 1.83 Mbits/s 282=0D > TCP download::3 : 1.53 1.54 Mbits/s 282=0D > TCP download::4 : 1.91 1.90 Mbits/s 287=0D > bash-3.2$
=0D > bash-3.2$ fping --version
=0D > fping: Version 4.2
=0D > fping: comments to david@schweikert.ch
=0D >
=0D > bash-3.2$ fping -c 1000 gstatic.com -D
=0D > [1567770338.594778] gstatic.com : [0], 84 bytes, 20.7 ms (20.7 avg, = 0% loss)
=0D > [1567770339.600662] gstatic.com : [1], 84 bytes, 21.7 ms (21.2 avg, = 0% loss)
=0D > [1567770340.602339] gstatic.com : [2], 84 bytes, 21.5 ms (21.3 avg, = 0% loss)
=0D > [1567770341.605205] gstatic.com : [3], 84 bytes, 22.2 ms (21.5 avg, = 0% loss)
=0D > [1567770342.608899] gstatic.com : [4], 84 bytes, 21.0 ms (21.4 avg, = 0% loss)
=0D > [1567770343.613397] gstatic.com : [5], 84 bytes, 21.4 ms (21.4 avg, = 0% loss)
=0D > [1567770344.618612] gstatic.com : [6], 84 bytes, 21.5 ms (21.4 avg, = 0% loss)
=0D > [1567770345.618789] gstatic.com : [7], 84 bytes, 20.8 ms (21.3 avg, = 0% loss)
=0D > ...
=0D >
=0D > =E2=80=94
=0D > You are receiving this because you are subscribed to this thread.=0D > Reply to this email directly, view it on GitHub, or mute the thread.=
=0D =0D =0D

&m= dash;
You are receiving this because you are subscribed to this thre= ad.
Reply to this email directly, view it on GitHu= b, or mute the thread.3D""

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