[libvirt-users] qemu-monitor-command
Michal Privoznik
mprivozn at redhat.com
Tue Mar 20 14:36:10 UTC 2012
On 20.03.2012 14:30, Shawn Davis wrote:
> Hello Everyone,
>
>
>
> I am working on a grad school project for virtual introspection. I have
> a vm running(with 512mb of memory) and want to access the pmemsave
> function through virsh with the qemu-monitor-command. I am typing the
> following:
>
>
>
> virsh qemu-monitor-command --hmp Shawn ‘pmemsave 0 536870912 image.dump’
>
>
>
> Shawn is the name of my vm and image.dump is the name of my output
> file. No matter what I do, I keep getting: Could not open ‘image.dump’
>
>
>
> I have tried the above with sudo and with the absolute path of where the
> newly created dump file should go and I still get that error. Any help
> is appreciated as to how I should enter this command.
>
>
>
> If I type in virsh qemu-monitor-command --hmp Shawn ‘info mem’ or any
> other command without an output path, it works fineand brings up
> information about my running vm.
>
>
>
> Regards,
>
> Shawn
I guess qemu can't access the path you are trying, esp. when you run it
without root privileges. However, you can use virDomainMemoryPeek() instead.
Michal
More information about the libvirt-users
mailing list