環境搭建：
手頭沒有intel的板子，暫時只能用虛擬機代替；
虛擬機的CPU數量不能超過真實的機器，因此暫時無法模擬出NUMA的環境；
dpdk需要至少兩塊網卡，eth0和eth1用於dpdk使用，eth2用於跟主機通信；
打開虛擬機的配置文件， xxx.vmx，把所有網卡都設置成e1000
ethernet0.present = "TRUE"ethernet0.connectionType = "hostonly"ethernet0.wakeOnPcktRcv = "FALSE"ethernet0.addressType = "static"ethernet0.virtualDev = "e1000"ethernet1.present = "TRUE"ethernet1.connectionType = "hostonly"ethernet1.wakeOnPcktRcv = "FALSE"ethernet1.addressType = "static"ethernet1.virtualDev = "e1000"ethernet2.present = "TRUE"ethernet2.connectionType = "nat"ethernet2.wakeOnPcktRcv = "FALSE"ethernet2.addressType = "static"ethernet2.virtualDev = "e1000"
下載dpdk源碼
git clone git://dpdk.org/dpdk
設置環境變量
export RTE_SDK=/root/dpdk export RTE_TARGET=i686-default-linuxapp-gcc export EXTRA_CFLAGS="-O0 -g"
由於是32位機器，設置target爲i686；更多target可以參考intel-dpdk-getting-started-guide
其中EXTRA_CFLAGS把編譯優化去掉，並加上調試信息；
編譯代碼
make config T=i686-default-linuxapp-gcc make install T=i686-default-linuxapp-gcc make -C i686-default-linuxapp-gcc make -C examples/helloworld
預留hugepage個數，並掛載
echo 128 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages mount -t hugetlbfs nodev /mnt/huge
加載uio和igb_uio
modprobe uio insmod ./build/kmod/igb_uio.ko
綁定設備
./tools/igb_uio_bind.py --bind=igb_uio eth0 ./tools/igb_uio_bind.py --bind=igb_uio eth1
如果需要解綁定，後面的bus:slot.func各種設備不一樣
./tools/igb_uio_bind.py --unbind 02:01.0./tools/igb_uio_bind.py --unbind 02:02.0./tools/igb_uio_bind.py --bind=e1000 02:01.0./tools/igb_uio_bind.py --bind=e1000 02:02.0
最後就可以運行helloworld
root@bogon:~/dpdk# ./examples/helloworld/build/helloworld -c 0xf -n 2EAL: Cannot read numa node link for lcore 0 - using physical package id instead EAL: Detected lcore 0 as core 0 on socket 0EAL: Cannot read numa node link for lcore 1 - using physical package id instead EAL: Detected lcore 1 as core 1 on socket 0EAL: Cannot read numa node link for lcore 2 - using physical package id instead EAL: Detected lcore 2 as core 0 on socket 1EAL: Cannot read numa node link for lcore 3 - using physical package id instead EAL: Detected lcore 3 as core 1 on socket 1EAL: Skip lcore 4 (not detected) EAL: Skip lcore 5 (not detected) EAL: Skip lcore 6 (not detected) EAL: Skip lcore 7 (not detected) EAL: Skip lcore 8 (not detected) EAL: Skip lcore 9 (not detected) EAL: Skip lcore 10 (not detected) EAL: Skip lcore 11 (not detected) EAL: Skip lcore 12 (not detected) EAL: Skip lcore 13 (not detected) EAL: Skip lcore 14 (not detected) EAL: Skip lcore 15 (not detected) EAL: Skip lcore 16 (not detected) EAL: Skip lcore 17 (not detected) EAL: Skip lcore 18 (not detected) EAL: Skip lcore 19 (not detected) EAL: Skip lcore 20 (not detected) EAL: Skip lcore 21 (not detected) EAL: Skip lcore 22 (not detected) EAL: Skip lcore 23 (not detected) EAL: Skip lcore 24 (not detected) EAL: Skip lcore 25 (not detected) EAL: Skip lcore 26 (not detected) EAL: Skip lcore 27 (not detected) EAL: Skip lcore 28 (not detected) EAL: Skip lcore 29 (not detected) EAL: Skip lcore 30 (not detected) EAL: Skip lcore 31 (not detected) EAL: Skip lcore 32 (not detected) EAL: Skip lcore 33 (not detected) EAL: Skip lcore 34 (not detected) EAL: Skip lcore 35 (not detected) EAL: Skip lcore 36 (not detected) EAL: Skip lcore 37 (not detected) EAL: Skip lcore 38 (not detected) EAL: Skip lcore 39 (not detected) EAL: Skip lcore 40 (not detected) EAL: Skip lcore 41 (not detected) EAL: Skip lcore 42 (not detected) EAL: Skip lcore 43 (not detected) EAL: Skip lcore 44 (not detected) EAL: Skip lcore 45 (not detected) EAL: Skip lcore 46 (not detected) EAL: Skip lcore 47 (not detected) EAL: Skip lcore 48 (not detected) EAL: Skip lcore 49 (not detected) EAL: Skip lcore 50 (not detected) EAL: Skip lcore 51 (not detected) EAL: Skip lcore 52 (not detected) EAL: Skip lcore 53 (not detected) EAL: Skip lcore 54 (not detected) EAL: Skip lcore 55 (not detected) EAL: Skip lcore 56 (not detected) EAL: Skip lcore 57 (not detected) EAL: Skip lcore 58 (not detected) EAL: Skip lcore 59 (not detected) EAL: Skip lcore 60 (not detected) EAL: Skip lcore 61 (not detected) EAL: Skip lcore 62 (not detected) EAL: Skip lcore 63 (not detected) EAL: Setting up memory... EAL: cannot open /proc/self/numa_maps, consider that all memory is in socket_id 0EAL: Ask a virtual area of 0xe800000 bytes EAL: Virtual area found at 0xa8400000 (size = 0xe800000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0xa8000000 (size = 0x200000) EAL: Ask a virtual area of 0x400000 bytes EAL: Virtual area found at 0xa7a00000 (size = 0x400000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0xa7600000 (size = 0x200000) EAL: Ask a virtual area of 0xc00000 bytes EAL: Virtual area found at 0xa6800000 (size = 0xc00000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0xa6400000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0xa6000000 (size = 0x200000) EAL: Requesting 128 pages of size 2MB from socket 0EAL: TSC frequency is ~2660068 KHz EAL: Master core 0 is ready (tid=b7599800) EAL: Core 1 is ready (tid=a5fffb40) EAL: Core 2 is ready (tid=a57feb40) EAL: Core 3 is ready (tid=a4ffdb40) hello from core 1hello from core 3hello from core 2hello from core 0
後面就可以用gdb調試了