随笔分类 -  qemu

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KVM Forum 2019: virtio-vsock in QEMU, Firecracker and Linux
摘要:Status, Performance and Challenges Slides and recording are available for the “virtio-vsock in QEMU, Firecracker and Linux: Status, Performance and Ch 阅读全文

posted @ 2020-10-23 19:49 tycoon3 阅读(587) 评论(0) 推荐(0)

vsock
摘要:Vsocks are a means of providing socket communication (either stream or datagram) directly between VMs and their host operating system. The host and ea 阅读全文

posted @ 2020-10-23 19:41 tycoon3 阅读(1268) 评论(0) 推荐(0)

virtio
摘要:https://blogs.oracle.com/linux/how-to-emulate-block-devices-with-qemu virtio_pci 在probe(接管)每一个设备时,根据每个pci设备的subsystem device id来识别出这具体是哪一种virtio设备,然后相 阅读全文

posted @ 2020-10-23 19:32 tycoon3 阅读(617) 评论(0) 推荐(0)

A brief overview of cloud-hypervisor, a modern VMM
摘要:https://terenceli.github.io/%E6%8A%80%E6%9C%AF/2019/09/07/cloud-hypervisor 虚拟化技术 https://terenceli.github.io/tags.html#%E8%99%9A%E6%8B%9F%E5%8C%96-ref 阅读全文

posted @ 2020-10-22 09:26 tycoon3 阅读(371) 评论(0) 推荐(0)

cloudhypervisor + kata + aarch64
摘要:1、操作系统 root@cloud:~# uname -a Linux cloud 5.5.19-050519-generic #202004210831 SMP Tue Apr 21 08:49:56 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux root@ 阅读全文

posted @ 2020-10-22 09:11 tycoon3 阅读(667) 评论(0) 推荐(0)

libfuse安装
摘要:Installation You can download libfuse from https://github.com/libfuse/libfuse/releases. To build and install, we recommend to use Meson and Ninja. Aft 阅读全文

posted @ 2020-10-21 17:44 tycoon3 阅读(5436) 评论(0) 推荐(0)

virtiofsについて
摘要:NotFoundroot@cloud:~/hyper/linux-cloud-hypervisor/kernel# pgrep -a virtiofsd 3157 /usr/bin/virtiofsd --syslog -f -o cache=auto -o no_posix_lock -o sou 阅读全文

posted @ 2020-10-21 14:48 tycoon3 阅读(100) 评论(0) 推荐(0)

qemu5.0
摘要:https://www.qemu.org/download/#source To download and build QEMU 5.1.0: wget https://download.qemu.org/qemu-5.1.0.tar.xz tar xvJf qemu-5.1.0.tar.xz cd 阅读全文

posted @ 2020-10-21 10:04 tycoon3 阅读(225) 评论(0) 推荐(0)

make distclean & qemu
摘要:make distclean && rm -rf *-linux-user *-softmmu", root@cloud:/home/ubuntu/qemu/build# make -j 64 make[1]: Entering directory '/home/ubuntu/qemu/slirp' 阅读全文

posted @ 2020-10-21 09:39 tycoon3 阅读(398) 评论(0) 推荐(0)

qemu 编译选项
摘要:config-host.mak virtiofsd [root@localhost build]# ../configure --enable-kvm --disable-xen --enable-libusb --enable-debug-info --enable-debug --enable- 阅读全文

posted @ 2020-10-20 15:43 tycoon3 阅读(1862) 评论(0) 推荐(0)

virtio-fs
摘要:Examples Export /var/lib/fs/vm001/ on vhost-user UNIX domain socket /var/run/vm001-vhost-fs.sock: host# virtiofsd --socket-path=/var/run/vm001-vhost-f 阅读全文

posted @ 2020-10-20 14:41 tycoon3 阅读(799) 评论(0) 推荐(0)

virtio-scsi驱动
摘要:virtio-scsi驱动 virtio-scsi 和 virtio 的性能相同,但是 virtio-scsi 提供了更多功能和更具伸缩性。最大的优势是,virtio-scsi可以在一个虚拟机中处理数百个磁盘设备,远超过 virtio-blk 只能处理25个设备的限制(另一个说法是30个设备,需要验 阅读全文

posted @ 2020-10-12 10:04 tycoon3 阅读(2137) 评论(0) 推荐(0)

虚拟机中断
摘要:root@srv6:~# cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 1: 0 0 0 0 0 0 9 0 IO-APIC 1-edge i8042 4: 442 0 0 0 319 0 0 0 IO-APIC 4-edg 阅读全文

posted @ 2020-09-24 10:41 tycoon3 阅读(1126) 评论(0) 推荐(0)

virt manager
摘要:yum install edk2-aarch64 kvm qemu qemu-img -y 阅读全文

posted @ 2020-07-09 16:44 tycoon3 阅读(134) 评论(0) 推荐(0)

qemu-nbd
摘要:1,qemu-nbd 使用qemu-nbd之前,需要先确认当前环境上是不是支持linux nbd: ls /dev/nbd*来确认是不是已经支持nbd了。 如果支持,下面加载部分的操作可以省略。 modinfo nbd命令来确认nbd模块是不是在当前环境中已经存在。 modprobe nbd nbd 阅读全文

posted @ 2020-07-06 19:59 tycoon3 阅读(921) 评论(0) 推荐(0)

挂载qcow2/raw + guestfish + guestmount
摘要:1、guestfish --format=raw --rw -a focal-server-cloudimg-arm64.raw 2、 list-filesystems libguestfs: trace: list_ldm_partitions = [] libguestfs: trace: li 阅读全文

posted @ 2020-06-30 20:28 tycoon3 阅读(895) 评论(0) 推荐(0)

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