Re: [Xen-devel] [PATCH v5 11/13] tools/libxl: add command to show CMT hardware info

[Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>]

On Tue, Apr 21, 2015 at 02:37:54AM +0200, Dario Faggioli wrote:
> On Fri, 2015-04-17 at 22:33 +0800, Chao Peng wrote:
> > Add dedicated one to show hardware information.
> > 
> > [root@vmm-psr]xl psr-cmt-hwinfo
> > Cache Monitoring Technology (CMT):
> > Enabled         : 1
> > Total RMID      : 63
> > Supported monitor types:
> > cache-occupancy
> > total-mem-bandwidth
> > local-mem-bandwidth
> > 
> Nice.
> 
> > Signed-off-by: Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>
> 
> > --- a/tools/libxl/xl_cmdimpl.c
> > +++ b/tools/libxl/xl_cmdimpl.c
> > @@ -8014,6 +8014,36 @@ out:
> >  }
> >  
> >  #ifdef LIBXL_HAVE_PSR_CMT
> > +static int psr_cmt_hwinfo(void)
> > +{
> > +    int rc;
> > +    int enabled;
> > +    uint32_t total_rmid;
> > +
> >
> I think you should still have something like:
> 
>     SWITCH_FOREACH_OPT(opt, "", NULL, "psr-cmt-hwinfo", 0) {
>         /* No options */
>     }
> 
> Or `xl psr-cmt-hwinfo -h' wouldn't work, would it?
> 
> With that done:
> 
>  Reviewed-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> 
Agreed, I will add it.

Chao

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