Re: [PATCH 0/3] Pin the hrtimer used for VMX-preemption timer emulation

Paolo Bonzini
2020-05-09T13:14:35Z

On 08/05/20 22:36, Jim Mattson wrote:
>
> It might be possible to improve that pass rate even more by increasing
> the scaling factor in the virtual IA32_VMX_MISC[4:0], but you'd have
> to be even more of a stickler than I to go to that extreme.
>
> By the way, what is the point of migrating the hrtimers for the APIC
> and the PIT, since they aren't even pinned to begin with?

Unless housekeeping CPUs for timers are configured, the timer will run
on the CPU it is started on, even without pinning; see
get_nohz_timer_target.

Paolo