On Wed, Oct 16, 2019 at 5:50 AM <xiangxia.m....@gmail.com> wrote: > > From: Tonghao Zhang <xiangxia.m....@gmail.com> > > This series patch optimize openvswitch for performance or simplify > codes. > > Patch 1, 2, 4: Port Pravin B Shelar patches to > linux upstream with little changes.
btw, should we keep Pravin as the author of the above three patches? Regards, William > > Patch 5, 6, 7: Optimize the flow looking up and > simplify the flow hash. > > Patch 8, 9: are bugfix. > > The performance test is on Intel Xeon E5-2630 v4. > The test topology is show as below: > > +-----------------------------------+ > | +---------------------------+ | > | | eth0 ovs-switch eth1 | | Host0 > | +---------------------------+ | > +-----------------------------------+ > ^ | > | | > | | > | | > | v > +-----+----+ +----+-----+ > | netperf | Host1 | netserver| Host2 > +----------+ +----------+ > > We use netperf send the 64B packets, and insert 255+ flow-mask: > $ ovs-dpctl add-flow ovs-switch > "in_port(1),eth(dst=00:01:00:00:00:00/ff:ff:ff:ff:ff:01),eth_type(0x0800),ipv4(frag=no)" > 2 > ... > $ ovs-dpctl add-flow ovs-switch > "in_port(1),eth(dst=00:ff:00:00:00:00/ff:ff:ff:ff:ff:ff),eth_type(0x0800),ipv4(frag=no)" > 2 > $ > $ netperf -t UDP_STREAM -H 2.2.2.200 -l 40 -- -m 18 > > * Without series patch, throughput 8.28Mbps > * With series patch, throughput 46.05Mbps > > v3->v4: > access ma->count with READ_ONCE/WRITE_ONCE API. More information, > see patch 5 comments. > > v2->v3: > update ma point when realloc mask_array in patch 5. > > v1->v2: > use kfree_rcu instead of call_rcu > > Tonghao Zhang (10): > net: openvswitch: add flow-mask cache for performance > net: openvswitch: convert mask list in mask array > net: openvswitch: shrink the mask array if necessary > net: openvswitch: optimize flow mask cache hash collision > net: openvswitch: optimize flow-mask looking up > net: openvswitch: simplify the flow_hash > net: openvswitch: add likely in flow_lookup > net: openvswitch: fix possible memleak on destroy flow-table > net: openvswitch: don't unlock mutex when changing the user_features > fails > net: openvswitch: simplify the ovs_dp_cmd_new > > net/openvswitch/datapath.c | 65 +++++---- > net/openvswitch/flow.h | 1 - > net/openvswitch/flow_table.c | 316 > +++++++++++++++++++++++++++++++++++++------ > net/openvswitch/flow_table.h | 19 ++- > 4 files changed, 329 insertions(+), 72 deletions(-) > > -- > 1.8.3.1 > > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
