[libvirt] [PATCH v2 1/2] qemu: Resolve issue with GetScheduler APIs for non running domain

[Daniel P. Berrange]

On Mon, Jun 10, 2013 at 12:06:45PM -0400, John Ferlan wrote:
> As a consequence of the cgroup layout changes from commit '632f78ca', the
> qemuDomainGetSchedulerParameters[Flags]()' and qemuGetSchedulerType() APIs
> failed to return data for a non running domain.  This can be seen through
> a 'virsh schedinfo <domain>' command which returns:
> 
> Scheduler      : Unknown
> error: Requested operation is not valid: cgroup CPU controller is not mounted
> 
> Prior to that change a non running domain would return:
> 
> Scheduler      : posix
> cpu_shares     : 0
> vcpu_period    : 0
> vcpu_quota     : 0
> emulator_period: 0
> emulator_quota : 0
> 
> This patch will restore the capability to return configuration only data
> for a non running domain regardless of whether cgroups are available.
> ---
>  src/qemu/qemu_driver.c | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)

ACK

Daniel
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