qmp-shell 无法识别命令

Question

因此，有一个 Python 脚本允许从常用的 shell 连接到 QEMU 监视器。我必须下载来自 QEMU 源代码树的一堆文件，并添加-qmp unix:./qmp-sock,server,nowait到 vm 命令行。它已连接，但我无法使其工作。

$ qmp-shell qmp-sock 
Welcome to the QMP low-level shell!
Connected to QEMU 1.5.3

(QEMU) help
{u'error': {u'class': u'CommandNotFound', u'desc': u'The command help has not been found'}}
(QEMU) query-
query-balloon               query-fdsets                query-status
query-block                 query-kvm                   query-target
query-block-jobs            query-machines              query-tpm
query-blockstats            query-mice                  query-tpm-models
query-chardev               query-migrate               query-tpm-types
query-command-line-options  query-migrate-cache-size    query-uuid
query-commands              query-migrate-capabilities  query-version
query-cpu-definitions       query-name                  query-vnc
query-cpus                  query-pci                   
query-events                query-spice                 
(QEMU) query-kvm
{u'return': {u'enabled': True, u'present': True}}
(QEMU) info block
Error while parsing command line: list index out of range
command format: <command-name>  [arg-name1=arg1] ... [arg-nameN=argN]
(QEMU) info
{u'error': {u'class': u'CommandNotFound', u'desc': u'The command info has not been found'}}
(QEMU) exit
{u'error': {u'class': u'CommandNotFound', u'desc': u'The command exit has not been found'}}
(QEMU)

Answer 1

假设其qmp-shell工作方式与远程登录到 QMP 套接字并直接发送 JSON 命令相同，则您需要发出该命令。在执行该命令之前，qmp_capabilities其他命令均不起作用，并且会导致引用的“CommandNotFound”错误。qmp

请参阅 qemu wiki 页面定量分子泵了解详情。