Hi Bruce, Thanks a lot for pointing it out.. Yes this is exactly what I was facing.. If I have got it right the solution to my problem should be --file-prefix and -m (--socket-mem) options.
Best Regards, -Pushpasis On Thu, Feb 11, 2016 at 6:38 PM, Bruce Richardson < bruce.richardson at intel.com> wrote: > [image: Boxbe] <https://www.boxbe.com/overview> Bruce Richardson ( > bruce.richardson at intel.com) is not on your Guest List > <https://www.boxbe.com/approved-list?tc_serial=24341194751&tc_rand=193289084&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&token=pogEWyVcHKeztbfIMXyh7LB6YVKH6X6ZIhzzgOYsWCOwbGS2EFRXhhm5SuzLCNG5&key=zMUKncrojx%2Fo8PerE9lyAO6NLk3c7xLzHKAzeRsfbxk%3D> > | Approve sender > <https://www.boxbe.com/anno?tc_serial=24341194751&tc_rand=193289084&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&token=pogEWyVcHKeztbfIMXyh7LB6YVKH6X6ZIhzzgOYsWCOwbGS2EFRXhhm5SuzLCNG5&key=zMUKncrojx%2Fo8PerE9lyAO6NLk3c7xLzHKAzeRsfbxk%3D> > | Approve domain > <https://www.boxbe.com/anno?tc_serial=24341194751&tc_rand=193289084&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&dom&token=pogEWyVcHKeztbfIMXyh7LB6YVKH6X6ZIhzzgOYsWCOwbGS2EFRXhhm5SuzLCNG5&key=zMUKncrojx%2Fo8PerE9lyAO6NLk3c7xLzHKAzeRsfbxk%3D> > > On Thu, Feb 11, 2016 at 06:26:10PM +0530, Pushpasis Sarkar wrote: > > Hi Alejandro, > > > > Thanks for the response. I tried the --file-prefix option.. But its the > > same issue.. :( Looks like the --file-prefix option only determines the > > name of the pages to be created under /mnt/huge/. > > > > I will try the --huge-dir option as well and see if I can do anything > with > > it or not... > > DPDK scans the mounted filesystems to determine the directory where > hugetlbfs > is mounted, and uses that directory. If you have multiple hugetlbfs mount > points > then you can use --huge-dir to select just one of them. However, that's > probably > not what you want, unless you have multiple hugepage sizes (e.g. 1G and > 2M) and > want one app to use one size, and the other app to use the other size. > > If you use --file-prefix to specify different prefixes for the different > apps, > you almost certainly also need to use "-m" or "--socket-mem" flags to > limit the > amount of memory each process uses. Without that option the first app to > run > will use all the hugepage memory, leaving none for the other one. > > Please see also the section "Running Multiple Independent DPDK > Applications" > section of the Programmer's Guide in the DPDK documentation: > > > http://dpdk.org/doc/guides/prog_guide/multi_proc_support.html#running-multiple-independent-dpdk-applications > > Regards. > /Bruce > > > > > Thanks and Regards, > > Pushpasis > > > > On Thu, Feb 11, 2016 at 5:34 PM, Alejandro Lucero < > > alejandro.lucero at netronome.com> wrote: > > > > > [image: Boxbe] <https://www.boxbe.com/overview> Alejandro Lucero ( > > > alejandro.lucero at netronome.com) is not on your Guest List > > > < > https://www.boxbe.com/approved-list?tc_serial=24340454778&tc_rand=1758595516&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&token=d5AB60jxM3mp6UGnoaT1GyqDwTwwrUUOmC2KRJv2v5G6Yxmpi6xLug7B0Xnp73E2&key=8KrFUmOVgyyU7e09U%2F3XGcUfMiAzeGV6WqRa35oU89g%3D > > > > > | Approve sender > > > < > https://www.boxbe.com/anno?tc_serial=24340454778&tc_rand=1758595516&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&token=d5AB60jxM3mp6UGnoaT1GyqDwTwwrUUOmC2KRJv2v5G6Yxmpi6xLug7B0Xnp73E2&key=8KrFUmOVgyyU7e09U%2F3XGcUfMiAzeGV6WqRa35oU89g%3D > > > > > | Approve domain > > > < > https://www.boxbe.com/anno?tc_serial=24340454778&tc_rand=1758595516&utm_source=stf&utm_medium=email&utm_campaign=ANNO_MWTP&utm_content=001&dom&token=d5AB60jxM3mp6UGnoaT1GyqDwTwwrUUOmC2KRJv2v5G6Yxmpi6xLug7B0Xnp73E2&key=8KrFUmOVgyyU7e09U%2F3XGcUfMiAzeGV6WqRa35oU89g%3D > > > > > > > > Did you try with the --file-prefix testpmd option? > > > > > > Just use different file-prefix for each DPDK app running. > > > > > > On Thu, Feb 11, 2016 at 5:01 AM, Pushpasis Sarkar <pushpasis at gmail.com > > > > > wrote: > > > > > >> Hi Krishna, > > >> > > >> Off-late I have been investigating DPDK on Linux containers.. I came > > >> across > > >> this thread and found it very helpful.. But I still find some issues > when > > >> I > > >> try to run the same DPDK application simultaneously on more than one > LXC > > >> containers.. > > >> > > >> Even when following the example provided in this thread. I am unable > to > > >> run > > >> the same application simultaneously in both host and more than one LXC > > >> containers.. > > >> Is there any way to achieve the same.. > > >> > > >> The basic issue I see in the DPDK design that kit assumes that it > will use > > >> /mnt/huge/ file-path before using it.. making it unavailable to any > other > > >> process.. Can this be changed to use the sub-directory > /mnt/huge/$(uname > > >> -n)/<PID>. That way it cannot stop other process running on host/lxc > from > > >> using the hugepages.. I have donot have much knowledge about how the > > >> hugepage filesystem works.. so pardon my ignorance... :) > > >> > > >> Looking forward to some help on this. > > >> > > >> Regards, > > >> -Pushpasis > > >> > > > > > > > > > > >
