Re: Implement PEBS virtualization for Silvermont

[Peter Zijlstra]

On Thu, May 29, 2014 at 06:12:03PM -0700, Andi Kleen wrote:
> PEBS is very useful (e.g. enabling the more cycles:pp event or
> memory profiling) Unfortunately it didn't work in virtualization,
> which is becoming more and more common.
> 
> This patch kit implements simple PEBS virtualization for KVM on Silvermont
> CPUs. Silvermont does not have the leak problems that prevented successfull
> PEBS virtualization earlier.

Silvermont is such an underpowered thing, who in his right mind would
run anything virt on it to further reduce performance?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/