Re: [PATCH 00/12] perf_events: add support for sampling takenbranches (v2)
From: Peter Zijlstra
Date: Tue Dec 06 2011 - 14:21:15 EST
On Tue, 2011-12-06 at 11:14 -0800, Stephane Eranian wrote:
> >> > Other than the few comments given it all looks good. My main worry is
> >> > the Intel only aspect, I'd really love for there to be another platform
> >> > that could implement at least part of this.
> There is a hardware branch buffer on all Itanium processors.
> You can find the description for the McKinley implementation
> (Itanium2) branch buffer in section 10.3.9 from:
> http://download.intel.com/design/Itanium2/manuals/25111003.pdf
Yeah, I knew Itanic has it, but one its sinking (and doesn't have perf
support), and two its still Intel ;-)
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