From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-x241.google.com (mail-it0-x241.google.com [IPv6:2607:f8b0:4001:c0b::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id AFC623B2A2 for ; Sat, 12 Nov 2016 04:07:18 -0500 (EST) Received: by mail-it0-x241.google.com with SMTP id e187so2125554itc.0 for ; Sat, 12 Nov 2016 01:07:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=GC6bFVz+pTiKzZB8LMeHKkhLhYumUp8eghe5H9y3mJc=; b=EpONhnEnAgImqABjc4qSrK4xjBPXfBD538Ireu8k1CmExPGtYFfKdUb7qw/f/Pnz94 Co/nEFMmIEmkJjgdODcTEqC2Waj2TnN9aefb9OFYxkVHuvPBfcx3PswDTIso7bFuaxkY GUq4gUgggktsHC7XzNSHHW4Yo731+7uAdmCD8cHIYVPS8oUiNYVq9JCkCCGrhqrCFUGB Fhet/H/gPgrM7dY9Z6Jy4MSTfhwAgjOyVzuGnqxCOTUK29ov1yfDDt5YCYqQZJQ06JMZ 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<3e5942d2-6d6b-0e01-8aa6-98c3535c26ef@gmail.com> <46c0133b-b6f8-fe1f-4d2e-0cf6088e024d@gmail.com> From: Outback Dingo Date: Sat, 12 Nov 2016 17:06:37 +0800 Message-ID: To: Jonathan Morton Cc: Noah Causin , cake@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Subject: Re: [Cake] Cake with Deep Packet Inspection X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Nov 2016 09:07:18 -0000 well not sure what stats you want... just for kicks and giggles though i created an identical openwrt build for the same router on kernel 4.4.14 seems stable enough...... this is from the running system, as i typed this i did hit another INFO: rcu_sched detected stalls on CPUs/tasks: tc -s qdisc show qdisc noqueue 0: dev lo root refcnt 2 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 27945112 bytes 54152 pkt (dropped 0, overlimits 0 requeues 3) backlog 0b 0p requeues 3 maxpacket 1506 drop_overlimit 0 new_flow_count 227 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc noqueue 0: dev br-lan root refcnt 2 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc noqueue 0: dev eth0.1 root refcnt 2 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc cake 800a: dev eth0.2 root refcnt 2 bandwidth 100Mbit diffserv4 flows rtt 100.0ms raw Sent 7656207 bytes 29112 pkt (dropped 0, overlimits 2763 requeues 0) backlog 0b 0p requeues 0 memory used: 30496b of 5000000b capacity estimate: 100Mbit Bulk Best Effort Video Voice thresh 100Mbit 93750Kbit 75Mbit 25Mbit target 5.0ms 5.0ms 5.0ms 5.0ms interval 100.0ms 100.0ms 100.0ms 100.0ms pk_delay 0us 1.3ms 13us 0us av_delay 0us 164us 0us 0us sp_delay 0us 76us 0us 0us pkts 0 29094 18 0 bytes 0 7654587 1620 0 way_inds 0 273 0 0 way_miss 0 4395 18 0 way_cols 0 0 0 0 drops 0 0 0 0 marks 0 0 0 0 sp_flows 0 1 0 0 bk_flows 0 1 0 0 un_flows 0 0 0 0 max_len 0 8964 90 0 qdisc ingress ffff: dev eth0.2 parent ffff:fff1 ---------------- Sent 19329083 bytes 21990 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc mq 0: dev wlan1 root Sent 42420 bytes 220 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc fq_codel 0: dev wlan1 parent :1 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 648 bytes 3 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan1 parent :2 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan1 parent :3 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 41772 bytes 217 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan1 parent :4 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc mq 0: dev wlan0 root Sent 4409 bytes 41 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 4409 bytes 41 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 128 quantum 1514 target 5.0ms interval 100.0ms ecn Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc fq_codel 0: dev zt0 root refcnt 2 limit 1024p flows 128 quantum 2814 target 5.0ms interval 100.0ms ecn Sent 738 bytes 7 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0 qdisc cake 800b: dev ifb4eth0.2 root refcnt 2 bandwidth 185Mbit besteffort flows rtt 100.0ms raw Sent 19683131 bytes 21990 pkt (dropped 0, overlimits 3357 requeues 0) backlog 0b 0p requeues 0 memory used: 17344b of 9250000b capacity estimate: 185Mbit Tin 0 thresh 185Mbit target 5.0ms interval 100.0ms pk_delay 102us av_delay 16us sp_delay 2us pkts 21990 bytes 19683131 way_inds 126 way_miss 1918 way_cols 0 drops 0 marks 0 sp_flows 0 bk_flows 1 un_flows 0 max_len 8976 Mem: 48476K used, 466248K free, 584K shrd, 4160K buff, 11488K cached CPU: 0% usr 0% sys 0% nic 99% idle 0% io 0% irq 0% sirq Load average: 0.65 0.28 0.10 2/94 2791 On Sat, Nov 12, 2016 at 2:36 AM, Jonathan Morton wrote: > Looks like the task that's stalling is the swapper. That could point to an > inappropriate swap device or too much memory being used. Can you give the > relevant stats? > > - Jonathan Morton