Also, I can't understand how to define socket-mem. I did not see anything related to hugepages in /etc/sysctl.conf. Can i mount hugepages to 2 different dirs instead and use --huge-dir ? Thank you.
On Tue, Nov 8, 2016 at 11:44 AM, Keren Hochman <keren.hochman at lightcyber.com > wrote: > 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 > right? > > 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 >> >> >
