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Eric Dumazet 64153ce0a7 net_sched: htb: do not setup default rate estimators 
With a thousand htb classes, est_timer() spends ~5 million cpu cycles
and throws out cpu cache, because each htb class has a default
rate estimator (est 4sec 16sec).

Most users do not use default rate estimators, so switch htb
to not setup ones.

Add a module parameter (htb_rate_est) so that users relying
on this default rate estimator can revert the behavior.

echo 1 >/sys/module/sch_htb/parameters/htb_rate_est

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-12 00:14:21 -07:00
..
act_api.c rtnetlink: Remove passing of attributes into rtnl_doit functions 2013-03-22 10:31:16 -04:00
act_csum.c act_csum: fix possible use after free 2013-04-12 15:25:41 -04:00
act_gact.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
act_ipt.c net_sched: act_ipt forward compat with xtables 2013-05-01 13:19:19 -04:00
act_mirred.c net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
act_nat.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
act_pedit.c net: Add skb_unclone() helper function. 2013-02-15 15:10:37 -05:00
act_police.c net_sched: restore "overhead xxx" handling 2013-06-02 22:22:35 -07:00
act_simple.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
act_skbedit.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_api.c net_cls: remove duplicated include from cls_api.c 2013-04-07 17:12:01 -04:00
cls_basic.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_cgroup.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_flow.c netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
cls_fw.c pkt_sched: fix error return code in fw_change_attrs() 2013-04-19 17:34:53 -04:00
cls_route.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_rsvp.c
cls_rsvp.h pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_rsvp6.c
cls_tcindex.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
cls_u32.c pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
em_canid.c net: em_canid: Ematch rule to match CAN frames according to their identifiers 2012-07-04 13:07:05 +02:00
em_cmp.c
em_ipset.c netfilter: ipset: Introduce extensions to elements in the core 2013-04-29 20:08:54 +02:00
em_meta.c net: use a per task frag allocator 2012-09-24 16:31:37 -04:00
em_nbyte.c
em_text.c
em_u32.c
ematch.c
Kconfig net: sched: enable CAN Identifier to be build into kernel 2012-11-25 16:06:06 -05:00
Makefile net: sched: add ipset ematch 2012-07-12 07:54:46 -07:00
sch_api.c net-next: replace obsolete NLMSG_* with type safe nlmsg_* 2013-03-28 14:25:25 -04:00
sch_atm.c
sch_blackhole.c
sch_cbq.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
sch_choke.c net/sched: rename random32() to prandom_u32() 2013-04-29 18:28:43 -07:00
sch_codel.c
sch_drr.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
sch_dsmark.c
sch_fifo.c
sch_fq_codel.c net: fq_codel: Fix off-by-one error 2013-03-29 15:32:23 -04:00
sch_generic.c net_sched: psched_ratecfg_precompute() improvements 2013-06-11 22:39:47 -07:00
sch_gred.c net_sched: gred: actually perform idling in WRED mode 2012-09-13 16:10:13 -04:00
sch_hfsc.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
sch_htb.c net_sched: htb: do not setup default rate estimators 2013-06-12 00:14:21 -07:00
sch_ingress.c
sch_mq.c pkt_sched: avoid requeues if possible 2012-12-12 00:16:47 -05:00
sch_mqprio.c pkt_sched: avoid requeues if possible 2012-12-12 00:16:47 -05:00
sch_multiq.c
sch_netem.c netem: fix delay calculation in rate extension 2013-01-29 15:43:02 -05:00
sch_plug.c
sch_prio.c
sch_qfq.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
sch_red.c
sch_sfb.c sch_sfb: Fix missing NULL check 2012-07-12 08:33:18 -07:00
sch_sfq.c
sch_tbf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-06-05 16:37:30 -07:00
sch_teql.c sch_teql: Convert over to dev_neigh_lookup_skb(). 2012-07-05 01:09:06 -07:00