Hello,
I am testing the speed of zsend with normal drivers (non ZC).
I am getting very slow rates 0.01 Gbps.
With tcpreplay I get 557.71 Mbps
What could be the problem ?
Thanks,
Pedro
*** info and tests
root@ronin02:~/PF_RING/userland/examples_zc# ./zsend -i eth0 -c 1 -l 500
Sending packets to eth0
=========================
Absolute Stats: 2'952 pkts - 1'546'848 bytes
=========================
=========================
Absolute Stats: 5'647 pkts - 2'959'028 bytes
Actual Stats: 2'694.53 pps - 0.01 Gbps
=========================
=========================
Absolute Stats: 8'342 pkts - 4'371'208 bytes
Actual Stats: 2'693.02 pps - 0.01 Gbps
=========================
root@ronin02:~/PF_RING/userland/examples_zc# ethtool -i eth0
driver: vmxnet3
version: 1.2.0.0-k-NAPI
firmware-version:
bus-info: 0000:03:00.0
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: yes
supports-priv-flags: no
root@ronin02:~/PF_RING/userland/examples_zc#
root@ronin02:~/PF_RING/userland/examples_zc# ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 1000baseT/Full
10000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: Not reported
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 10000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
MDI-X: Unknown
Supports Wake-on: uag
Wake-on: g
Link detected: yes
root@ronin02:~/PF_RING/userland/examples_zc#
supports-priv-flags: no
root@ronin02:~/PF_RING/userland/examples_zc# tcpreplay -i eth0 -tK
--loop 50 --unique-ip /root/smallFlows.pcap
File Cache is enabled
Actual: 713050 packets (460826550 bytes) sent in 6.06 seconds.
Rated: 69714812.0 Bps, 557.71 Mbps, 107871.70 pps
Flows: 60450 flows, 9145.00 fps, 712150 flow packets, 900 non-flow
Statistics for network device: eth0
Attempted packets: 713050
Successful packets: 713050
Failed packets: 0
Truncated packets: 0
Retried packets (ENOBUFS): 0
Retried packets (EAGAIN): 0
root@ronin02:~/PF_RING/userland/examples_zc#
root@ronin02:~/PF_RING/userland/examples_zc# tcpreplay -V
tcpreplay version: 4.1.0 (build git:v4.1.0)
Copyright 2013-2014 by Fred Klassen <tcpreplay at appneta dot com> -
AppNeta Inc.
Copyright 2000-2012 by Aaron Turner <aturner at synfin dot net>
The entire Tcpreplay Suite is licensed under the GPLv3
Cache file supported: 04
Not compiled with libdnet.
Compiled against libpcap: 1.6.0-PRE-GIT_2015_07_28
64 bit packet counters: enabled
Verbose printing via tcpdump: enabled
Packet editing: disabled
Fragroute engine: disabled
Default injection method: PF_PACKET send()
Optional injection method: Quick TX
Optional injection method: netmap
root@ronin02:~/PF_RING/userland/examples_zc#
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