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From: Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Christian Borntraeger
	<borntraeger-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Subject: Re: Use virtual cpu accounting if available for guest	times.
Date: Fri, 19 Oct 2007 12:18:56 -0500	[thread overview]
Message-ID: <1192814336.10451.20.camel@basalt> (raw)
In-Reply-To: <1192813056.10451.6.camel@basalt>

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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  reply	other threads:[~2007-10-19 17:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <47135D1B.1060004@bull.net>
     [not found] ` <11926264852739-git-send-email-Laurent.Vivier@bull.net>
     [not found]   ` <11926264852739-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-18 12:39     ` Use virtual cpu accounting if available for guest times Christian Borntraeger
     [not found]       ` <200710181439.10390.borntraeger-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-10-18 12:41         ` Avi Kivity
2007-10-19 16:57       ` [kvm-devel] " Hollis Blanchard
2007-10-19 17:18         ` Hollis Blanchard [this message]
2007-10-18 13:19 ` [PATCH] move kvm_guest_exit() after local_irq_enable() Laurent Vivier
     [not found]   ` <11927135412363-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-18 13:32     ` Avi Kivity
2007-10-18 13:49       ` [kvm-devel] " Laurent Vivier
2007-10-22  8:26     ` Ingo Molnar
     [not found]       ` <20071022082604.GA28528-X9Un+BFzKDI@public.gmane.org>
2007-10-22  8:51         ` Avi Kivity
     [not found]           ` <471C647A.50908-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-22  8:57             ` Ingo Molnar
     [not found]               ` <20071022085703.GA2781-X9Un+BFzKDI@public.gmane.org>
2007-10-22  9:10                 ` Avi Kivity

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