Il 27/02/2014 12:25, Jan Kiszka ha scritto:
On 2014-02-26 16:49, Paolo Bonzini wrote:
When not running in guest-debug mode (i.e. the guest controls the debug
registers, having to take an exit for each DR access is a waste of time.
If the guest gets into a state where each context switch causes D
On 2014-02-26 16:49, Paolo Bonzini wrote:
> When not running in guest-debug mode (i.e. the guest controls the debug
> registers, having to take an exit for each DR access is a waste of time.
> If the guest gets into a state where each context switch causes DR to be
> saved and restored, this can ta
When not running in guest-debug mode (i.e. the guest controls the debug
registers, having to take an exit for each DR access is a waste of time.
If the guest gets into a state where each context switch causes DR to be
saved and restored, this can take away as much as 40% of the execution
time from