Re: [Xen-devel] [PATCH v11 for-xen-4.5 19/20] x86/VPMU: NMI-based VPMU support

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Sep 23, 2014 at 03:18:13PM -0400, Boris Ostrovsky wrote:
> On 09/23/2014 02:52 PM, Konrad Rzeszutek Wilk wrote:
> >On Mon, Sep 22, 2014 at 07:58:00PM -0400, Boris Ostrovsky wrote:
> >>Add support for using NMIs as PMU interrupts.
> >Could you explain what the benefits are vs using the regular vector?
> >
> >Any why one would wnat to use this?
> 
> 
> To profile hypervisor code that is executed with interrupts disabled.

Excellent. Pls include that in the commit description.

And lastly we also need to update the Documentation. There is one markup file
with the various parameters for Xen.
> 
> 
> -boris

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