Deep dive into Kernel

High-Performance Networking Leveraging the DPDK and the Growing Community High Performance Networking Leveraging the DPDK and Growing Community from 6WIND

QEMU initialization

sunshout2@choonho:~/opensource/qemu$ qemu-img create -f qcow2 a.img 1GFormatting 'a.img', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off sunshout2@choonho:~/opensource/qemu$ qemu-img info a.imgimage: a.imgfile format: qcow2virtual size: 1.0G (1073741824 bytes)disk size: 196Kcluster_size: 65536Format specific information: compat: 1.1 lazy refcounts: false 빈 qcow2 디..

stack user 생성 # adduser stack# sudo apt-get install sudo -y# echo "stack ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers stack 계정 생성과 권한 부여가 완료되었으면, logout하고 stack으로 login 후 진행 devstack 소스 받기stack@cnode37-m:~$ git clone https://github.com/openstack-dev/devstack.gitstack@cnode37-m:~$ cd devstack/stack@cnode37-m:~/devstack$ git branch -r origin/HEAD -> origin/master origin/master origin/stable/havana ori..

RedHat 계열의 Linux는 packstack 을 활용하여 OpenStack을 설치할 수 있다. 주요 설치 순서는/etc/hosts 업데이트 Packstack 기반 설치 RDO repo 등록 # yum install -y http://rdo.fedorapeople.org/rdo-release.rpm openstack-packstack 패키지 설치 # yum install -y openstack-packstack Packstack의 answer file을 생성 # packstack --gen-answer-file=single-node.cfg Packstack을 이용하여 OpenStack을 설치 # packstack --answer-file=single-node.cfg 참조:Project page : h..

RPM을 만들기 위해서는 rpm-build와 rpmdevtools를 설치해야한다. # yum install rpm-build rpmdevtools rpmdev-setuptree 명령어로 RPM Build Directory를 만든다.# rpmdev-setuptree # yumdownloader --source 패키지명 Nova를 build하기 위해 Nova에 dependency가 있는 모듈들을 설치한다. # yum-builddep /root/rpmbuild/SPECS/xxx.spec 생성된 patche는 SOURCES안에 위치해 있어야 하며 SPECS/openstack-nova.spec 파일에 patch 적용을 위한 수정한다.1. Patch0007: new-patch.patch 추가.2. %patch000..

commit c033f1a052e009f60f99ae729be3c23dfb1cba20Author: Choonho Son Date: Fri Jul 25 20:16:13 2014 +0900 examples/multi_process/simple_mp rte_ring_dequeue in a secondary thread should dequeue send_ring instead of recv_ring, since primary and secondary threads share same rte_ring. This is also an answer for http://dpdk.org/ml/archives/dev/2013-November/000704.html diff --git a/examples/multi_proce..

o YUM용 로컬 repository 만들기¡ yum repository는 RPM 패키지들의 저장소임¡ 저장소로 만들 디렉토리 생성 (/data/ucloud-repo) [root@tomcat2 ~]# mkdir /data [root@tomcat2 ~]# mkdir /data/ucloud-repo ¡ 패키지를 저장할 폴더 생성 (/data/ucloud-repo/deps)- 생성할 폴더 밑에 RPM이라는 디렉토리가 있으면 됨- x86_64 (64비트 머신용 패키지), noarch(머신 independent) [root@tomcat2 ucloud-repo]# mkdir /data/ucloud-repo/deps [root@tomcat2 ucloud-repo]# mkdir /data/ucloud-repo/deps..

[root@cnode33-m ~(keystone_admin)]# neutron-db-manage --config-file /etc/neutron/neutron.conf currentNo handlers could be found for logger "neutron.common.legacy"INFO [alembic.migration] Context impl MySQLImpl.INFO [alembic.migration] Will assume non-transactional DDL.Current revision for mysql://neutron:XXXXX@192.168.1.33/neutron: 5ac1c354a051 -> icehouse (head), icehouse

nProbe가 동작하는 기본적인 skeleton 구조 Hash Tabledefinition: HashBucket **theHash[MAX_NUM_PCAP_THREADS], **thePrevHash[MAX_NUM_PCAP_THREADS]; #define HASH_SIZE 4096 /* buckets */ void allocateHash(int idx) { u_int mallocSize = sizeof(HashBucket*)*hashSize; theHash[idx] = (HashBucket**)calloc(1, mallocSize); if(theHash[idx] == NULL) { traceEvent(TRACE_ERROR, "Not enough memory"); exit(-1); } }... /* pcap-..