AuxXxilium/linux_dsm_epyc7002
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b362487a3b
linux_dsm_epyc7002/net
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Cong Wang b362487a3b sch_htb: redefine htb qdisc overlimits 
In commit 3c75f6ee13 ("net_sched: sch_htb: add per class overlimits counter")
we added an overlimits counter for each HTB class which could
properly reflect how many times we use up all the bandwidth
on each class. However, the overlimits counter in HTB qdisc
does not, it is way bigger than the sum of each HTB class.
In fact, this qdisc overlimits counter increases when we have
no skb to dequeue, which happens more often than we run out of
bandwidth.

It makes more sense to make this qdisc overlimits counter just
be a sum of each HTB class, in case people still get confused.

I have verified this patch with one single HTB class, where HTB
qdisc counters now always match HTB class counters as expected.

Eric suggested we could fold this field into 'direct_pkts' as
we only use its 32bit on 64bit CPU, this saves one cache line.

Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-05 21:55:20 -07:00
..
6lowpan 6lowpan: Off by one handling ->nexthdr 2019-04-23 19:09:58 +02:00
9p 9p/net: fix memory leak in p9_client_create 2019-03-13 11:50:04 +01:00
802
8021q netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
atm net: atm: clean up a range check 2019-05-05 10:25:52 -07:00
ax25 net: ax25: fix misuse of %x 2019-04-21 10:37:26 -07:00
batman-adv genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
bluetooth Bluetooth: Ignore CC events not matching the last HCI command 2019-05-05 19:29:04 +02:00
bpf bpf: Introduce bpf sk local storage 2019-04-27 09:07:04 -07:00
bpfilter bpfilter: re-add header search paths to tools include to fix build error 2019-02-23 13:34:40 -08:00
bridge netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
caif net: caif: avoid using qdisc_qlen() 2019-04-10 12:20:46 -07:00
can netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
ceph libceph: fix breakage caused by multipage bvecs 2019-03-25 22:28:07 +01:00
core net: use indirect calls helpers for ptype hook 2019-05-05 10:38:04 -07:00
dcb netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
dccp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
decnet netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
dns_resolver dns: remove redundant zero length namelen check 2019-04-11 14:01:08 -07:00
dsa net: dsa: sja1105: Add support for traffic through standalone ports 2019-05-05 21:52:42 -07:00
ethernet net: dsa: Allow drivers to filter packets they can decode source port from 2019-05-05 21:52:42 -07:00
hsr genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
ieee802154 genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-05-05 21:35:08 -07:00
ipv6 net: use indirect calls helpers at early demux stage 2019-05-05 10:38:04 -07:00
iucv iucv: Remove SKB list assumptions. 2018-11-10 16:55:11 -08:00
kcm kcm: switch order of device registration to fix a crash 2019-04-01 14:59:20 -07:00
key xfrm: clean up xfrm protocol checks 2019-03-26 08:35:36 +01:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
l3mdev l3mdev: add function to retreive upper master 2018-12-03 14:15:26 -08:00
lapb
llc llc: Check address length before reading address field 2019-04-12 10:25:03 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
mac802154 mac802154: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
mpls netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
ncsi genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
netfilter netfilter: xt_hashlimit: use struct_size() helper 2019-05-06 01:03:04 +02:00
netlabel genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
netlink genetlink: do not validate dump requests if there is no policy 2019-05-04 01:27:10 -04:00
netrom net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
nfc genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-05-05 21:35:08 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
phonet netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
psample genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
qrtr netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
rds rds: ib: force endiannes annotation 2019-05-01 17:15:36 -04:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
sched sch_htb: redefine htb qdisc overlimits 2019-05-05 21:55:20 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
smc genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
strparser net: strparser: make it explicitly non-modular 2019-04-22 21:50:54 -07:00
sunrpc Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1 2019-04-23 13:40:55 -07:00
switchdev switchdev: Remove unused transaction item queue 2019-03-01 21:35:19 -08:00
tipc tipc: fix missing Name entries due to half-failover 2019-05-04 00:59:51 -04:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
unix datagram: remove rendundant 'peeked' argument 2019-04-08 09:51:54 -07:00
vmw_vsock vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock 2019-03-08 15:15:44 -08:00
wimax genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
x25 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
xdp xsk: fix XDP socket ring buffer memory ordering 2019-04-16 20:13:10 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-02 22:14:21 -04:00
compat.c net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
Kconfig net: devlink: select NET_DEVLINK from drivers 2019-03-24 14:55:31 -04:00
Makefile net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
socket.c net: use indirect calls helpers at the socket layer 2019-05-05 10:38:04 -07:00
sysctl_net.c