From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-x22e.google.com (mail-ob0-x22e.google.com [IPv6:2607:f8b0:4003:c01::22e]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 85D1721F314 for ; Thu, 19 Nov 2015 04:24:27 -0800 (PST) Received: by obbnk6 with SMTP id nk6so58349233obb.2 for ; Thu, 19 Nov 2015 04:24:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3xfUlJSmaiC6CcOC7ZaxwQ7gK8HfVGS6zm6j6Mu42HU=; b=xP/NJsb0FQb6FR2/bFcYpcCNLSpGc5i88KOl1vQywTUkb60gm1TnMjwxr2/3TIqlEi vJgecCKcLUHV+1T1i8EoHVDVgZmbUurfUwF0S5Agz6aYmxIV+xTdFBuCEmN3obIj+3er y6hHB4YqrrqUYo92d0F9dbm+nkEMwhq3CUmC4jWPIg1So609o8uky1EcztXeyBrclOox HIb3K/XMzrNll5PGUNnz0XGgSajD2z6YxBZ5MOXHsGZz84LQh8PaZ42Vp3rzxBGGKSpP PzDiyNPbNhvWQCpTP6vtEe3wNZWE9x/D9czwGMXBcPzeZbHm3FOc00k4Q5nYYbRY77JB BJFQ== MIME-Version: 1.0 X-Received: by 10.182.81.5 with SMTP id v5mr4802910obx.78.1447935866098; Thu, 19 Nov 2015 04:24:26 -0800 (PST) Received: by 10.202.50.130 with HTTP; Thu, 19 Nov 2015 04:24:26 -0800 (PST) In-Reply-To: <564DBE7E.9070903@darbyshire-bryant.me.uk> References: <564DBE7E.9070903@darbyshire-bryant.me.uk> Date: Thu, 19 Nov 2015 13:24:26 +0100 Message-ID: From: Dave Taht To: Kevin Darbyshire-Bryant Content-Type: text/plain; charset=UTF-8 Cc: cake@lists.bufferbloat.net Subject: Re: [Cake] cake coding comments X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Nov 2015 12:24:49 -0000 In other news I just took a hack and slash through tc output. Which could use more hacking and slashing. http://pastebin.com/xWZViMDP for those of you with proportional fonts in email. root@snapon:~/git/tc-adv/tc# ./tc -s qdisc show dev eno1 qdisc cake 8004: root refcnt 2 unlimited diffserv4 flows rtt 100.0ms raw Sent 7274837008 bytes 4911119 pkt (dropped 0, overlimits 0 requeues 39977) backlog 0b 0p requeues 39977 memory used: 625850b of 15140Kb capacity estimate: 841462Kbit Tin 0 Tin 1 Tin 2 Tin 3 thresh 0bit 0bit 0bit 0bit target 5.0ms 5.0ms 5.0ms 5.0ms interval 100.0ms 100.0ms 100.0ms 100.0ms pk_delay 1.4ms 871us 0us 387us av_delay 524us 369us 0us 203us sp_delay 5us 13us 0us 1us pkts 115935 177925 1 632990 bytes 171360140b 264615514b 1008b 953769597b way_inds 0 0 0 0 way_miss 9 86 1 15 way_cols 0 0 0 0 drops 0 0 0 0 marks 10 1 0 0 sp_flows 0 1 1 0 bk_flows 3 2 0 1 last_len 66 66 1008 18168 max_len 68130 68130 1008 68130 On Thu, Nov 19, 2015 at 1:20 PM, Kevin Darbyshire-Bryant wrote: > > > On 19/11/15 08:55, Dave Taht wrote: >> I sat down to try and think outside the boxes we are in... >> >> >> How low can we cut the interval to in a DC scenario? > 1usec floor. Specifying an rtt of 20usec would set interval to 20usec > and target to 1usec. 'datacentre' currently sets target to 5usec, > interval 100usec. hmm. > > > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake >