Re: [kvm-devel] Use virtual cpu accounting if available for guest times.

On Fri, 2007-10-19 at 11:57 -0500, Hollis Blanchard wrote:
> > @@ -669,11 +670,13 @@ __init void kvm_arch_init(void);
> > 
> >  static inline void kvm_guest_enter(void)
> >  {
> > +	account_system_vtime(current);
> >  	current->flags |= PF_VCPU;
> >  }
> > 
> >  static inline void kvm_guest_exit(void)
> >  {
> > +	account_system_vtime(current);
> >  	current->flags &= ~PF_VCPU;
> >  }
> 
> I don't understand. Should kvm_guest_exit() be calling
> account_user_vtime() (instead of account_system_vtime())?

Never mind; the tree I was looking at didn't have the
account_guest_time() stuff in account_system_time().

-- 
Hollis Blanchard
IBM Linux Technology Center

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---

• References:
  • Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time accounting.
    • From: Laurent Vivier <[email protected]>
  • [PATCH] clear PF_VCPU in kvm_guest_exit()
    • From: Laurent Vivier <[email protected]>
  • Use virtual cpu accounting if available for guest times.
    • From: Christian Borntraeger <[email protected]>
  • Re: [kvm-devel] Use virtual cpu accounting if available for guest times.
    • From: Hollis Blanchard <[email protected]>

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