AuxXxilium/linux_dsm_epyc7002
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431e3a8e36
linux_dsm_epyc7002/net/sched
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WANG Cong 431e3a8e36 sch_htb: update backlog as well 
We saw qlen!=0 but backlog==0 on our production machine:

qdisc htb 1: dev eth0 root refcnt 2 r2q 10 default 1 direct_packets_stat 0 ver 3.17
 Sent 172680457356 bytes 222469449 pkt (dropped 0, overlimits 123575834 requeues 0)
 backlog 0b 72p requeues 0

The problem is we only count qlen for HTB qdisc but not backlog.
We need to update backlog too when we update qlen, so that we
can at least know the average packet length.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-29 17:02:33 -05:00
..
act_api.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_bpf.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_connmark.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_csum.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_gact.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_ipt.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_mirred.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_nat.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_pedit.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_police.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_simple.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_skbedit.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
act_vlan.c net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
cls_api.c net: sched: fix call_rcu() race on classifier module unloads 2015-05-21 18:48:18 -04:00
cls_basic.c net_sched: destroy proto tp when all filters are gone 2015-03-09 15:35:55 -04:00
cls_bpf.c net, sched: add clsact qdisc 2016-01-10 22:13:15 -05:00
cls_cgroup.c cls_cgroup: factor out classid retrieval 2015-07-20 12:41:30 -07:00
cls_flow.c sched: cls_flow: use skb_to_full_sk() helper 2015-11-08 20:56:39 -05:00
cls_flower.c sched,cls_flower: set key address type when present 2016-01-11 17:27:30 -05:00
cls_fw.c net: revert "net_sched: move tp->root allocation into fw_init()" 2015-09-24 14:33:30 -07:00
cls_route.c net_sched: destroy proto tp when all filters are gone 2015-03-09 15:35:55 -04:00
cls_rsvp6.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_rsvp.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_rsvp.h net_sched: convert rsvp to call tcf_exts_destroy from rcu callback 2015-08-26 11:01:45 -07:00
cls_tcindex.c net_sched: convert tcindex to call tcf_exts_destroy from rcu callback 2015-08-26 11:01:44 -07:00
cls_u32.c net: sched: add cls_u32 offload hooks for netdevs 2016-02-17 09:47:36 -05:00
em_canid.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_cmp.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
em_ipset.c netfilter: x_tables: Pass struct net in xt_action_param 2015-09-18 21:58:14 +02:00
em_meta.c net_sched: em_meta: use skb_to_full_sk() helper 2015-11-08 20:56:39 -05:00
em_nbyte.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_text.c net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
em_u32.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
ematch.c ematch: Fix auto-loading of ematch modules. 2015-02-20 15:30:56 -05:00
Kconfig net, sched: add clsact qdisc 2016-01-10 22:13:15 -05:00
Makefile tc: introduce Flower classifier 2015-05-13 15:19:48 -04:00
sch_api.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_atm.c net: sched: consolidate tc_classify{,_compat} 2015-08-27 14:18:48 -07:00
sch_blackhole.c net/sched: make sch_blackhole.c explicitly non-modular 2015-10-09 07:52:28 -07:00
sch_cbq.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_choke.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_codel.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_drr.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_dsmark.c net_sched: introduce qdisc_replace() helper 2016-02-29 17:02:33 -05:00
sch_fifo.c net: sched: drop all special handling of tx_queue_len == 0 2015-08-18 11:55:08 -07:00
sch_fq_codel.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_fq.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_generic.c net: sched: fix missing free per cpu on qstats 2016-01-06 01:40:21 -05:00
sch_gred.c net: sched: drop all special handling of tx_queue_len == 0 2015-08-18 11:55:08 -07:00
sch_hfsc.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_hhf.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_htb.c sch_htb: update backlog as well 2016-02-29 17:02:33 -05:00
sch_ingress.c net, sched: add clsact qdisc 2016-01-10 22:13:15 -05:00
sch_mq.c net_sched: fix qdisc_tree_decrease_qlen() races 2015-12-03 14:59:05 -05:00
sch_mqprio.c net: rework setup_tc ndo op to consume general tc operand 2016-02-17 09:47:35 -05:00
sch_multiq.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_netem.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_pie.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_plug.c net: sched: drop all special handling of tx_queue_len == 0 2015-08-18 11:55:08 -07:00
sch_prio.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_qfq.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_red.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_sfb.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_sfq.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_tbf.c net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
sch_teql.c net: sched: fix skb->protocol use in case of accelerated vlan path 2015-01-13 17:51:08 -05:00