如果EXEC QEMU與參數-qmp UNIX:./ QMP-襪子,服務器,NOWAIT,例如:
# /opt/qemu/bin/qemu-system-x86_64 \
-smp cpus=2 \
-drive file=/opt/test.qcow2,format=qcow2 \
-cdrom CentOS-7-x86_64-DVD-1511.iso \
-qmp unix:./qmp-sock,server,nowait
你可以Exec的QMP殼獲得CPU信息:
# /opt/git/qemu/scripts/qmp/qmp-shell /opt/qmp-sock
Welcome to the QMP low-level shell!
Connected to QEMU 2.5.50
(QEMU) query-cpus
{"return": [{"halted": false, "pc": -2124176787, "current": true, "qom_path": "/machine/unattached/device[0]", "thread_id": 2344, "arch": "x86", "CPU": 0}, {"halted": true, "pc": -2130342250, "current": false, "qom_path": "/machine/unattached/device[3]", "thread_id": 2341, "arch": "x86", "CPU": 1}]}
線程ID的位置:2344和2341
# ps -eLf|grep qemu-system
root 2341 2252 2341 9 4 08:52 pts/0 00:00:48 /opt/qemu/bin/qemu-system-x86_64 -smp cpus=2 -drive file=/opt/test.qcow2,format=qcow2 -cdrom CentOS-7-x86_64-DVD-1511.iso -qmp unix:./qmp-sock,server,nowait
root 2341 2252 2342 0 4 08:52 pts/0 00:00:00 /opt/qemu/bin/qemu-system-x86_64 -smp cpus=2 -drive file=/opt/test.qcow2,format=qcow2 -cdrom CentOS-7-x86_64-DVD-1511.iso -qmp unix:./qmp-sock,server,nowait
root 2341 2252 2344 85 4 08:52 pts/0 00:07:04 /opt/qemu/bin/qemu-system-x86_64 -smp cpus=2 -drive file=/opt/test.qcow2,format=qcow2 -cdrom CentOS-7-x86_64-DVD-1511.iso -qmp unix:./qmp-sock,server,nowait
root 2341 2252 2345 0 4 08:52 pts/0 00:00:00 /opt/qemu/bin/qemu-system-x86_64 -smp cpus=2 -drive file=/opt/test.qcow2,format=qcow2 -cdrom CentOS-7-x86_64-DVD-1511.iso -qmp unix:./qmp-sock,server,nowait
root 2378 2304 2378 0 1 09:01 pts/2 00:00:00 grep --color=auto qemu-system
欲瞭解更多信息,請參閱http://wiki.qemu.org/QMP
謝謝Yachine,我有一個Q,其中這些代碼行來自您的上述答案?進一步'(qemu)info cpus'在我的系統中不起作用。你知道什麼可能出錯嗎? – sami