在 2016/10/29 03:43, Konrad Rzeszutek Wilk 写道:
On Fri, Oct 28, 2016 at 04:11:26AM -0400, Pan Xinhui wrote:
From: Juergen Gross
Support the vcpu_is_preempted() functionality under Xen. This will
enhance lock performance on overcommitted hosts (more runnable vcpus
than physical cpus in the syst
On Fri, Oct 28, 2016 at 04:11:26AM -0400, Pan Xinhui wrote:
> From: Juergen Gross
>
> Support the vcpu_is_preempted() functionality under Xen. This will
> enhance lock performance on overcommitted hosts (more runnable vcpus
> than physical cpus in the system) as doing busy waits for preempted
> v
From: Juergen Gross
Support the vcpu_is_preempted() functionality under Xen. This will
enhance lock performance on overcommitted hosts (more runnable vcpus
than physical cpus in the system) as doing busy waits for preempted
vcpus will hurt system performance far worse than early yielding.
A quic
