[dpdk-dev] Running 2 process on the same machine

Keren Hochman keren.hochman at lightcyber.com
Tue Nov 8 10:44:14 CET 2016

Thank you for your response, I still can not run the 2 process together.
if I add --no-pci to one process it can replace white and black lists

Thanks, keren

On Tue, Nov 8, 2016 at 12:36 AM, Wiles, Keith <keith.wiles at intel.com> wrote:

> > On Nov 7, 2016, at 7:28 AM, Keren Hochman <keren.hochman at lightcyber.com>
> wrote:
> >
> > Hi,
> > I need to run 2 process that uses dpdk on the same machine. One uses dpdk
> > drivers, and the other just read from a pcap file.  If I disable
> hugepages
> > in the second process rte_mempool_create fails. What is the correct way
> to
> > handle this?
> If you look at the two scripts in Pktgen pktgen-master.sh and
> pktgen-slave.sh these two scripts setup two instances of pktgen on the same
> machine. Plus you can read the README.md file.
> http://dpdk.org/browse/apps/pktgen-dpdk/refs/
> You have to make sure you have enough memory (huge pages) allocated for
> both instances to run.
> Then use —file-prefix XX to give each instance a different prefix for the
> huge page files in /dev/hugepages if that is the location of the files on
> your system. I would remove any files in that directory to free up the
> memory.
> Use the —socket-mem to allocate the correct amount of memory for each
> instances this way DPDK does not consume all the pages for a given instance.
> Make sure you blacklist the ports you do not want on the first instance
> using -b option and then blacklist the ports from the first instance while
> allowing the other ports to be used on the second one.
> That should do it for most cases.
> >
> > Thanks, Keren
> Regards,
> Keith

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