Re: [PATCH 1/3] perf, core: Introduce attrs to count in either hostor guest mode

[Avi Kivity]

On 05/11/2011 02:44 PM, Avi Kivity wrote:
> On 05/10/2011 05:35 PM, Joerg Roedel wrote:
> > The two new attributes exclude_guest and exclude_host can
> > bes used by user-space to tell the kernel to setup
> > performance counter to either only count while the CPU is in
> > guest or in host mode.
> > An additional check is also introduced to make sure
> > user-space does not try to exclude guest and host mode from
> > counting.
> >
> > @@ -217,7 +217,10 @@ struct perf_event_attr {
> >                   mmap_data      :  1, /* non-exec mmap data    */
> >                   sample_id_all  :  1, /* sample_type all events */
> >
> > -                __reserved_1   : 45;
> > +                exclude_host   :  1, /* don't count in host   */
> > +                exclude_guest  :  1, /* don't count in guest  */
> > +
> > +                __reserved_1   : 43;
>
> We have exclude_hv a few lines up, so only exclude_guest is needed.

Well, actually, that depends on the meaning of exclude_hv.

--
error compiling committee.c: too many arguments to function

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