2014-03-07 12:42+0100, Paolo Bonzini:
Alex Williamson reported that a Windows game does something weird that
makes the guest save and restore debug registers on each context switch.
This cause several hundred thousands vmexits per second, and basically
cuts performance in half when running
On 2014-03-07 12:42, Paolo Bonzini wrote:
Alex Williamson reported that a Windows game does something weird that
makes the guest save and restore debug registers on each context switch.
This cause several hundred thousands vmexits per second, and basically
cuts performance in half when running
On 2014-03-09 09:11, Jan Kiszka wrote:
On 2014-03-07 12:42, Paolo Bonzini wrote:
Alex Williamson reported that a Windows game does something weird that
makes the guest save and restore debug registers on each context switch.
This cause several hundred thousands vmexits per second, and
Il 09/03/2014 09:15, Jan Kiszka ha scritto:
This looks good now to me from KVM perspective. I was just wondering how
the case is handled that the host used debug registers on the thread the
runs a VCPU? What if I set a hw breakpoint on its userspace path e.g.?
What if I debug the kernel side
Alex Williamson reported that a Windows game does something weird that
makes the guest save and restore debug registers on each context switch.
This cause several hundred thousands vmexits per second, and basically
cuts performance in half when running under KVM.
However, when not running in
