# 通过qmp查看运行中的任务virsh qemu-monitor-commandDOMAIN --pretty '{"execute":"query-block-jobs"}'# 通过hmp查看运行中的任务virsh qemu-monitor-commandDOMAIN --hmp 'info block-jobs'# 停止备份任务virsh qemu-monitor-commandDOMAIN '{"
{ "execute": "query-status" } # 虚拟机暂停 { "execute": "stop" } # 磁盘查看 { "execute": "query-block" } # 磁盘在线插入 { "execute": "blockdev-add", "arguments": { "driver": "qcow2", "node-name": "drive-virtio-disk1", "file": { "driver": "file", "filename": "/...
virsh qemu-monitor-command DOMAIN --pretty '{ "execute": "query-block" }' # 查询虚拟机指定磁盘的bitmap(查询第一块磁盘使用[0],第二块用[1],以此类推) virsh qemu-monitor-command DOMAIN --pretty '{ "execute": "query-block" }' | jq .return[0] | sed -n '/dirty\-bitmaps/,/]/p'...
其中统计的阈值的范围是小于 10000000ns, 10000000ns～ 20000000ns之间, 20000000ns～ 40000000ns之间的IO数量。 virsh qemu-monitor-command INSTANCEID '{"execute":"query-blockstats"}' 通过query-blockstats查询结果。 例如ETCD的长尾效应发生的时候,作者统计到的数据通过json如图,可见写延迟超过80ms的请求占用了一...
接上文,通过跟踪 libvirt 的源码,找到 virsh domblkinfo 最终是使用 QMP 协议从 QEMU 获取到关键字为 query-block ... 40940 鲲鹏ARM环境编译升级虚拟化组件(QEMU+libvirt)arm虚拟化qemu编译配置 宋天伦 2023-10-18 在 鲲鹏 arm 环境下可以直接使用 yum 安装相关虚拟化组件(以 centos 为例): 88130 QEMU...
{ "execute": "query-commands" } # 虚拟机状态 { "execute": "query-status" } # 虚拟机暂停 { "execute": "stop" } # 磁盘查看 { "execute": "query-block" } # 磁盘在线插入 { "execute": "blockdev-add", "arguments": { "driver": "qcow2", "node-name": "drive-virtio-disk1", ...
virsh qemu-monitor-command DOMAIN --pretty '{ "execute": "query-block-jobs" }' 1 virsh qemu-monitor-command DOMAIN --hmp 'info block-jobs' 1 暂停备份任务 virsh qemu-monitor-command DOMAIN '{ "execute": "block-job-cancel", "arguments": { "device": "drive-ide0-0-0", "force": tr...
# 查看支持哪些qmp指令 { "execute": "query-commands" } # 虚拟机状态 { "execute": "query-status" } # 虚拟机暂停 { "execute": "stop" } # 磁盘查看 { "execute": "query-block" } # 磁盘在线插入 { "execute": "blockdev-add", "arguments": { "driver": "qcow2", "node-name": "...
[root@localhost ~]# virsh qemu-monitor-command i1 '{"execute":"query-block"}' {"return":[{"io-status":"ok","device":"drive-ide0-0-0","locked":false,"removable":false,"inserted":{"iops_rd":0,"detect_zeroes":"off","image":{"virtual-size":21474836480,"filename":"/tmp/i1....
# 查看支持哪些qmp指令{"execute":"query-commands"}# 虚拟机状态{"execute":"query-status"}# 虚拟机暂停{"execute":"stop"}# 磁盘查看{"execute":"query-block"}# 磁盘在线插入{"execute":"blockdev-add","arguments":{"driver":"qcow2","node-name":"drive-virtio-disk1","file":{"driver":"fil...