> On Jun 28, 2017, at 10:03 AM, McCullough, Harrison > <[email protected]> wrote: > > When I run pktgen-dpdk I always get the error that there are 0MB available (no > matter how much I request). However, if I run testpmd, then it seems to run > without complaint. Does anybody know what's going on?
—socket-mem 512,512 is trying to allocate memory on socket 0 and socket 1 if you only have one socket or CPU installed then remove the ,512 and that should work. > > P.S. Why does /proc/meminfo always report that there are 0 hugepages free > after > I do anything with DPDK? Does it not clean up afterward and free them? If I rm > /mnt/huge/* then /proc/meminfo reports that the hugepages were freed, but it > seems like I shouldn't have to manually do that. > > P.P.S. If /proc/meminfo reports that there are 0 hugepages free, then why does > testpmd work? It appears to be using them, since they are no longer free after > running testpmd. > > root@ubuntu:/home/harrison/git/dpdk# grep -i huge /proc/meminfo > AnonHugePages: 208896 kB > HugePages_Total: 1024 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > root@ubuntu:/home/harrison/git/dpdk# ./x86_64-native-linuxapp-gcc/app/testpmd > EAL: Detected 8 lcore(s) > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: PCI device 0000:05:00.0 on NUMA socket -1 > EAL: probe driver: 8086:10e8 net_e1000_igb > EAL: PCI device 0000:05:00.1 on NUMA socket -1 > EAL: probe driver: 8086:10e8 net_e1000_igb > EAL: PCI device 0000:06:00.0 on NUMA socket -1 > EAL: probe driver: 8086:10e8 net_e1000_igb > EAL: PCI device 0000:06:00.1 on NUMA socket -1 > EAL: probe driver: 8086:10e8 net_e1000_igb > Warning: NUMA should be configured manually by using --port-numa-config and > --ring-numa-config parameters along with --numa. > USER1: create a new mbuf pool <mbuf_pool_socket_0>: n=203456, size=2176, > socket=0 > Configuring Port 0 (socket 0) > Port 0: 00:1B:21:6C:FC:9C > Configuring Port 1 (socket 0) > Port 1: 00:1B:21:6C:FC:9D > Checking link statuses... > Done > No commandline core given, start packet forwarding > io packet forwarding - ports=2 - cores=1 - streams=2 - NUMA support enabled, > MP over anonymous pages disabled > Logical Core 1 (socket 0) forwards packets on 2 streams: > RX P=0/Q=0 (socket 0) -> TX P=1/Q=0 (socket 0) peer=02:00:00:00:00:01 > RX P=1/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00 > > io packet forwarding - CRC stripping enabled - packets/burst=32 > nb forwarding cores=1 - nb forwarding ports=2 > RX queues=1 - RX desc=128 - RX free threshold=32 > RX threshold registers: pthresh=8 hthresh=8 wthresh=1 > TX queues=1 - TX desc=512 - TX free threshold=0 > TX threshold registers: pthresh=8 hthresh=1 wthresh=1 > TX RS bit threshold=0 - TXQ flags=0x0 > Press enter to exit > > Telling cores to stop... > Waiting for lcores to finish... > > ---------------------- Forward statistics for port 0 ---------------------- > RX-packets: 0 RX-dropped: 0 RX-total: 0 > TX-packets: 0 TX-dropped: 0 TX-total: 0 > ---------------------------------------------------------------------------- > > ---------------------- Forward statistics for port 1 ---------------------- > RX-packets: 0 RX-dropped: 0 RX-total: 0 > TX-packets: 0 TX-dropped: 0 TX-total: 0 > ---------------------------------------------------------------------------- > > +++++++++++++++ Accumulated forward statistics for all ports+++++++++++++++ > RX-packets: 0 RX-dropped: 0 RX-total: 0 > TX-packets: 0 TX-dropped: 0 TX-total: 0 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Done. > > Shutting down port 0... > Stopping ports... > Done > Closing ports... > Done > > Shutting down port 1... > Stopping ports... > Done > Closing ports... > Done > > Bye... > root@ubuntu:/home/harrison/git/dpdk# grep -i huge /proc/meminfo > AnonHugePages: 208896 kB > HugePages_Total: 1024 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > root@ubuntu:/home/harrison/git/dpdk# cd ../pktgen-dpdk/ > root@ubuntu:/home/harrison/git/pktgen-dpdk# ./tools/run.py harrison > sudo ./app/x86_64-native-linuxapp-gcc/pktgen -l 0,1-4 -n 2 --proc-type auto > --log-level 7 --socket-mem 512,512 --file-prefix pg -- -T -P --crc-strip -m > [1:2].0 -m [3:4].1 -f themes/black-yellow.theme > > Copyright (c) <2010-2017>, Intel Corporation. All rights reserved. Powered by > Intel(r) DPDK > EAL: Detected 8 lcore(s) > EAL: Auto-detected process type: PRIMARY > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: Not enough memory available on socket 1! Requested: 512MB, available: 0MB > EAL: FATAL: Cannot init memory > > EAL: Cannot init memory > > root@ubuntu:/home/harrison/git/pktgen-dpdk# grep -i huge /proc/meminfo > AnonHugePages: 208896 kB > HugePages_Total: 1024 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > root@ubuntu:/home/harrison/git/pktgen-dpdk# sudo rm /mnt/huge/* > root@ubuntu:/home/harrison/git/pktgen-dpdk# sudo rm /mnt/huge > huge/ huge_1GB/ > root@ubuntu:/home/harrison/git/pktgen-dpdk# grep -i huge /proc/meminfo > AnonHugePages: 208896 kB > HugePages_Total: 1024 > HugePages_Free: 1024 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > root@ubuntu:/home/harrison/git/pktgen-dpdk# ./tools/run.py harrison > sudo ./app/x86_64-native-linuxapp-gcc/pktgen -l 0,1-4 -n 2 --proc-type auto > --log-level 7 --socket-mem 512,512 --file-prefix pg -- -T -P --crc-strip -m > [1:2].0 -m [3:4].1 -f themes/black-yellow.theme > > Copyright (c) <2010-2017>, Intel Corporation. All rights reserved. Powered by > Intel(r) DPDK > EAL: Detected 8 lcore(s) > EAL: Auto-detected process type: PRIMARY > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: Not enough memory available on socket 1! Requested: 512MB, available: 0MB > EAL: FATAL: Cannot init memory > > EAL: Cannot init memory > > root@ubuntu:/home/harrison/git/pktgen-dpdk# grep -i huge /proc/meminfo > AnonHugePages: 208896 kB > HugePages_Total: 1024 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB Regards, Keith
