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diff --git a/doc/Build_DMM.md b/doc/Build_DMM.md new file mode 100644 index 0000000..12105de --- /dev/null +++ b/doc/Build_DMM.md @@ -0,0 +1,109 @@ +# 1. Introduction : + This document purpose is to build the DMM. + +# 2. Build DPDK: +DPDK need to be built for DMM RTE dependency. + +- Steps : + + download dpdk-16.04.tar.xz from DPDK release, you can get it from [http://static.dpdk.org/rel](http://static.dpdk.org/rel) +``` + #wget http://static.dpdk.org/rel/dpdk-16.04.tar.xz + #tar xvf dpdk-16.04.tar.xz + #vi dpdk-16.04/config/common_base #make CONFIG_RTE_BUILD_SHARED_LIB=y + #cd dpdk-16.04 + #make install T=x86_64-native-linuxapp-gcc DESTDIR=/root/dpdk_build/tmp2 + #cd x86_64-native-linuxapp-gcc + #make #to install the dpdk which will generate .so inside lib folder in the path. +``` +Make sure the path same as list up +``` + #mkdir -p /root/dpdk_build/tmp2/opt/uvp/evs/ + #cp /root/dpdk/dpdk-16.04/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko /root/dpdk_build/tmp2/opt/uvp/evs/ +``` +Note: + + Environment: + Linux ubuntu 14.04 and above. + Make sure you have linux-headers-4.4.0-89 linux-headers-4.4.0-89-generic and check uname -a it should have 4.4.0-89-generic header + +- Hugepage setting: + +``` + #vi /etc/default/grub +``` +update GRUB\_CMDLINE\_LINUX\_DEFAULT="default\_hugepagesz=1G hugepagesz=1G hugepages=8" + +``` + #update-grub + #reboot +``` +Check hugepage info HugePages_ + +``` + #cat /proc/meminfo +``` +- Mount hugepages: + +``` + #mount -t hugetlbfs -o pagesize=1G none /mnt/nstackhuge/ +``` + +``` + #mkdir /var/run/ip_module ##if not exist + #export LD_LIBRARY_PATH=/root/xxxx/DMM/release/lib64/ +``` +Note: + + no need LD_PRELOAD, This macro is for the same purpose. + +- Enable detail log of nstack + +``` + #export NSTACK_LOG_ON=DBG +``` + + +# 3. Build DMM: + +``` + #cd DMM/build + #cmake -D DMM_DPDK_INSTALL_DIR=$DPDK_INSTALL_PATH .. + #Note: DPDK_INSTALL_PATH - the path in which DPDK has been installed +``` + after cmake all the makefiles and dependent .sh files will be copied under build directory. + +``` + #make -j 8 +``` + Note: + + Sometimes compilation fails due to GLOB lib dependency, to solve this problem by following steps. + +``` + #cd ../thirdparty/glog/glog-0.3.4 + #sudo autoreconf -ivf + #cd + #make -j 8 + #bash -x release_tar.sh +``` + +Note: + + Update path of DPDK install with /root/dpdk_build/tmp2 in below file +``` + #vim ./release/script/nstack_var.sh # you can change it +``` + +# 4. Bring up the nStackMain process: +``` + #rm -rf /product + #mkdir /product/ + #chmod 777 /product/ + #mkdir /mnt/nstackhuge -p + #goto /DMM/ + #tar zxvf nStackServer.tar.gz + #cd nStackServer + #./start_nstack.sh + #ps -ef | grep nStackMain +```
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