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netmap potential optimizations #93

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fklassen opened this issue Jul 8, 2014 · 1 comment
Closed

netmap potential optimizations #93

fklassen opened this issue Jul 8, 2014 · 1 comment
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enhancement
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4.1.1

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fklassen commented Jul 8, 2014

From pkt-gen source review it appears that sending a maximum of 1024 packets before calling poll helps with synchronization, and therefore improves performance. We should try this.
@fklassen fklassen added this to the 4.0.5 milestone Jul 8, 2014
@fklassen fklassen removed the 4.0.5 label Jul 23, 2014
@fklassen fklassen removed this from the 4.0.5 milestone Jul 28, 2014
@fklassen fklassen added this to the 4.1.1 milestone Dec 26, 2015
@fklassen fklassen self-assigned this Dec 26, 2015
fklassen added a commit that referenced this issue Dec 26, 2015
@fklassen
#93 send performance upgrades as per discussions with Luggi Rizzo
48b2a50
fklassen added a commit that referenced this issue Dec 26, 2015
@fklassen
Merge pull request #233 from appneta/Enhancement_#93_netmap_performance
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#93 send performance upgrades as per discussions with Luggi Rizzo
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Enhancement as per PR #233

root@portwell28:~# ./tcpreplay -i netmap:eth7 -Kt --loop 30 bigFlows.pcap 
Switching network driver for eth7 to netmap bypass mode... done!
File Cache is enabled
Actual: 23748450 packets (10662533520 bytes) sent in 8.09 seconds.
Rated: 1186586900.0 Bps, 9492.69 Mbps, 2642861.55 pps
Flows: 40686 flows, 4527.76 fps, 23735370 flow packets, 13080 non-flow
Statistics for network device: eth7
    Attempted packets:         23748450
    Successful packets:        23748450
    Failed packets:            0
    Truncated packets:         0
    Retried packets (ENOBUFS): 0
    Retried packets (EAGAIN):  0
Switching network driver for eth7 to normal mode... done!
root@portwell28:~# ./tcpreplay -i netmap:eth7 -Kt --loop 30 smallFlows.pcap 
Switching network driver for eth7 to netmap bypass mode... done!
File Cache is enabled
Actual: 427830 packets (276495930 bytes) sent in 0.229833 seconds.
Rated: 1203029700.0 Bps, 9624.23 Mbps, 1861482.03 pps
Flows: 1209 flows, 5260.34 fps, 427290 flow packets, 540 non-flow
Statistics for network device: eth7
    Attempted packets:         427830
    Successful packets:        427830
    Failed packets:            0
    Truncated packets:         0
    Retried packets (ENOBUFS): 0
    Retried packets (EAGAIN):  0
Switching network driver for eth7 to normal mode... done!

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