On Wed, 24 May 2017 10:38:42 +0200 Erik Skultety <eskultet@redhat.com> wrote:
On Wed, May 24, 2017 at 10:49:23AM +0300, Roman Storozhenko wrote:
Hello, everybody
I use virt to run my VM's and QEMU as a hypervisor. There is a file describing my virtual machine:
/etc/libvirt/qemu/centos7.0.xml
Just a note, never edit ^these files directly behind libvirt's back and always use 'virsh edit' for all modifications.
As you know it contains xml representation of my VM. Is there any way to show underlying qemu command that virsh runs using that file? For example:
virsh doesn't spawn the qemu process, it's a frontend to libvirtd daemon which will build the qemu cmdline according to the domain XML description and spawn the process. As for the qemu commandline, we don't have an API to query the command line, what you can do is get the qemu pid (e.g. with pgrep -f <VM_name> and then cat /proc/<pid>/cmdline) or use ps and pipe its output to grep.
Or look in /var/log/libvirt/qemu/centos7.0.log. AFAIK the qemu command gets logged every time you start the VM. Tomas
Erik
qemu-system-x86-64 -m 1024 -smp 2 -...
If no, is there any way to figure it out during VM run ?
--- Thanks in advance, Roman Storozhenko
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