Re: [Xen-devel] [PATCH v4 03/15] libxl: introduce libxl_get_nr_cpus()

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Dario Faggioli writes ("[PATCH v4 03/15] libxl: introduce libxl_get_nr_cpus()"):
> to retrieve the actual number of pCPUs on the host.
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> ---
>  tools/libxl/libxl.h       |    3 +++
>  tools/libxl/libxl_utils.c |   18 ++++++++++++++++++
>  2 files changed, 21 insertions(+)
> 
> diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
> index a9663e4..2fab5ba 100644
> --- a/tools/libxl/libxl.h
> +++ b/tools/libxl/libxl.h
> @@ -652,6 +652,9 @@ int libxl_domain_preserve(libxl_ctx *ctx, uint32_t domid, 
> libxl_domain_create_in
>  /* get max. number of cpus supported by hypervisor */
>  int libxl_get_max_cpus(libxl_ctx *ctx);
>  
> +/* get the actual number of online cpus on the host */
> +int libxl_get_nr_cpus(libxl_ctx *ctx);

This number might be out of date as soon as it is read, won't it ?

Ian.

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