创建内存后端对象,该对象可用于备份来宾 RAM。内存后端对象提供比传统上用于定义来宾 RAM 的选项更多的控制。有关选项的说明,请参阅。-mmemory-backend-file -objectmemory-backend-memfd,id=id,merge=on|off,dump=on|off,share=on|off,prealloc=on|off,size=size,host-nodes=host-nodes,policy=default|preferred...
memory-backend='id'传统和选项的替代方案。允许使用内存后端作为主 RAM。-mem-pathmem-prealloc例如:-objectmemory-backend-file,id=pc.ram,size=512M,mem-path=/hugetlbfs,prealloc=on,share=on-machinememory-backend=pc.ram-m512M迁移兼容性说明:作为后端id,如果预期迁移到/从旧的QEMU(<5.0)迁移,则应使用...
Step 2: 将QEMU启动参数 -m 2048M 替换为 -m 64G -mem-prealloc -object memory-backend-file,size=64G,mem-path=/mnt/hugepages_1G/,id=hostmem 5.2 注意若不想用GDB调试虚机可去掉其中的-s选项。上述启动脚本中: -kernel /path/to/source/kernel-5.10.0/arch/arm64/boot/Image \ -initrd /path/t...
"type", "a TPM backend type"); tpm_display_backend_drivers(); return 1; } /* validate backend specific opts */ if (!qemu_opts_validate(opts, be->opts, &local_err)) { error_report_err(local_err); return 1; } drv = be->create(opts); if (!drv) { return 1; ...
-object memory-backend-file,id=mem,size=1G,mem-path=/dev/hugepages,share=on \ -numa node,memdev=mem -mem-prealloc \ -vnc :1 --enable-kvm \ -netdev tap,id=tapnet,ifname=vnet0,script=no -device rtl8139,netdev=tapnet,mac=52:54:00:12:34:58 ...
-m 1G -object memory-backend-file,id=mem0,size=1G,mem-path=/dev/hugepages,share=on -numa node,memdev=mem0 \ -drive file=guest_os_image.qcow2,if=none,id=disk \ -device ide-hd,drive=disk,bootindex=0 \ -chardev socket,id=spdk_vhost_scsi0,path=/var/tmp/vhost.0 \ ...
nowait \ -object memory-backend-file,id=cxl-mem1,share=on,mem-path=/tmp/cxltest.raw,size=256M \ -object memory-backend-file,id=cxl-lsa1,share=on,mem-path=/tmp/lsa.raw,size=256M \ -device pxb-cxl,bus_nr=12,bus=pcie.0,id=cxl.1 \ -device cxl-rp,port=0,bus=cxl.1,id=root...
memory-backend=dragonos-qemu-shm.ram-cpu sifive-u54-drive id=disk,file=../bin/disk-riscv64.img,if=none-device ahci,id=ahci-device ide-hd,drive=disk,bus=ahci.0-netdev user,id=hostnet0,hostfwd=tcp::12580-:12580-device virtio-net-pci,vectors=5,netdev=hostnet0,id=net0-usb-device ...
id=scsi \-kernel vmlinuz-4.18--append"console=ttyAMA0 root=UUID=6a09973e-e8fd-4a6d-a8c0-1deb9556f477"\-initrd initramfs-4.18\-objectmemory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \-numa node,memdev=mem -mem-prealloc -drive file=vhuser-test1.qcow2 \-chardev ...
``memory-backend='id'`` An alternative to legacy ``-mem-path`` and ``mem-prealloc`` options. Allows to use a memory backend as main RAM. For example: :: -object memory-backend-file,id=pc.ram,size=512M,mem-path=/hugetlbfs,prealloc=on,share=on -machine memory-backend=pc....