Re: [PATCH 2/4] perf/x86: Fix format definition of SNB-EP uncoreQPI box

[Peter Zijlstra]

On Mon, 2012-07-23 at 18:33 +0200, Stephane Eranian wrote:
> 
> DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7,21");
> 
> Assuming the event parser supports disjoint bits. 

It does. Userspace should provide a 9bit value in this case and the 9th
bit will be stored in bit 21.
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