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Diffstat (limited to 'doc/users-guide/users-guide-utilities-examples.adoc')
| -rw-r--r-- | doc/users-guide/users-guide-utilities-examples.adoc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/users-guide/users-guide-utilities-examples.adoc b/doc/users-guide/users-guide-utilities-examples.adoc new file mode 100644 index 000000000..2d5ad0113 --- /dev/null +++ b/doc/users-guide/users-guide-utilities-examples.adoc @@ -0,0 +1,18 @@ +== Utilities and examples + +=== PcapNg capture +If compiled using `--enable-pcapng-support` ODP will offer packet capturing +functionality in PcapNg format. If the /var/run/odp directory exists prior to +launching the application ODP will create a fifo for each NIC queue. +Queue naming will be of the following format: *<odp global pid>-<NIC +name>-flow-<queue number>*. Linux dd application can be used for capturing a +sample of the live stream from the fifo. Killing ether the application or dd +will stop the capturing process. + +. `./configure --enable-pcapng-support` +. `sudo mkdir /var/run/odp` +. `sudo ./test/performance/odp_packet_gen -i enp2s0 --eth_dst A0:F6:FD:AE:62:6C +--ipv4_dst 192.168.49.20 --ipv4_src 192.168.49.4 -g 0` +. `sudo dd if=/var/run/odp/26737-enp2s0-flow-0 of=~/test.pcap` +. `ctrl^c` +. `wireshark ~/test.pcap` |