From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 15 Dec 2010 08:18:36 +0000 (+0000)
Subject: net_sched: sch_sfq: add backlog info in sfq_dump_class_stats()
X-Git-Tag: v2.6.38-rc1~476^2~120
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4266263249f22479eb1abb1a1709c38240b1597;p=pandora-kernel.git

net_sched: sch_sfq: add backlog info in sfq_dump_class_stats()

We currently return for each active SFQ slot the number of packets in
queue. We can also give number of bytes accounted for these packets.

tc -s class show dev ifb0

Before patch :

class sfq 11:3d9 parent 11:
 (dropped 0, overlimits 0 requeues 0)
 backlog 0b 3p requeues 0
 allot 1266

After patch :

class sfq 11:3e4 parent 11:
 (dropped 0, overlimits 0 requeues 0)
 backlog 4380b 3p requeues 0
 allot 1212

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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