qemu microvm 测试运行记录

本文主要是介绍qemu microvm 测试运行记录，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

 [v3] Introduce the microvm machine type | Patchew

下载获取rootfs

wget http://dl-cdn.alpinelinux.org/alpine/v3.10/releases/x86_64/alpine-minirootfs-3.10.2-x86_64.tar.gz
qemu-img create -f raw alpine-rootfs-x86_64.raw 1G
losetup /dev/loop0 alpine-rootfs-x86_64.raw
mkfs.ext4 /dev/loop0
mount /dev/loop0 /mnt
tar xpf alpine-minirootfs-3.10.2-x86_64.tar.gz -C /mnt
umount /mnt
losetup -d /dev/loop0 

 编译生成内核vmlinuz

.config:

https://gist.github.com/slp/1060ba3aaf708584572ad4109f28c8f9 

运行

./qemu-system-x86_64 -M microvm \

-enable-kvm -cpu host -m 512m -smp 2 \

-kernel /boot/vmlinuz-4.19.314 \

-append "earlyprintk=ttyS0 console=ttyS0 reboot=k panic=1 root=/dev/vda init=/bin/sh" \

-drive id=test,file=/home/xwc/alpine-rootfs-x86_64.raw,format=raw,if=none \

-device virtio-blk-device,drive=test \

-nodefaults -no-user-config -nographic \

-serial mon:stdio \

-netdev tap,id=tap0,script=no,downscript=no \

-device virtio-net-device,netdev=tap0

 

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