On Tue, Jan 24, 2023 at 4:53 PM Amit Prakash Shukla <amitpraka...@marvell.com> wrote: > > Added support to configure pcap capture. > > Signed-off-by: Amit Prakash Shukla <amitpraka...@marvell.com>
Change the subject as examples/l3fwd-graph: > --- > v2: > - Fixed code style issue > - Fixed CI compilation issue on github-robot > > v3: > - Code review suggestion from Stephen > - Fixed potential memory leak > > v4: > - Code review suggestion from Jerin > > doc/guides/sample_app_ug/l3_forward_graph.rst | 23 +++++++ > examples/l3fwd-graph/main.c | 62 ++++++++++++++++++- > 2 files changed, 83 insertions(+), 2 deletions(-) > > diff --git a/doc/guides/sample_app_ug/l3_forward_graph.rst > b/doc/guides/sample_app_ug/l3_forward_graph.rst > index 0a3e0d44ec..3043dba8e2 100644 > --- a/doc/guides/sample_app_ug/l3_forward_graph.rst > +++ b/doc/guides/sample_app_ug/l3_forward_graph.rst > @@ -51,6 +51,9 @@ The application has a number of command line options > similar to l3fwd:: > [--max-pkt-len PKTLEN] > [--no-numa] > [--per-port-pool] > + [--pcap-enable] > + [--pcap-num-cap] > + [--pcap-file-name] > > Where, > > @@ -69,6 +72,12 @@ Where, > > * ``--per-port-pool:`` Optional, set to use independent buffer pools per > port. Without this option, single buffer pool is used for all ports. > > +* ``--pcap-enable:`` Optional, Enables packet capture in pcap format on each > node with mbuf and node metadata. > + > +* ``--pcap-num-cap:`` Optional, Number of packets to be captured per core. > + > +* ``--pcap-file-name:`` Optional, Pcap filename to capture packets in. > + > For example, consider a dual processor socket platform with 8 physical > cores, where cores 0-7 and 16-23 appear on socket 0, > while cores 8-15 and 24-31 appear on socket 1. > > @@ -99,6 +108,20 @@ In this command: > | | | | | > +----------+-----------+-----------+-------------------------------------+ > > +To enable pcap trace on each graph, use following command: > + > +.. code-block:: console > + > + ./<build_dir>/examples/dpdk-l3fwd-graph -l 1,2 -n 4 -- -p 0x3 > --config="(0,0,1),(1,0,2)" --pcap-enable --pcap-num-cap=<number of packets> > --pcap-file-name "</filepath/filename>" </filepath/filename> can be changes as "/path/to/file"
