On Wed, Mar 08, 2006 at 03:15:16PM -0800, Russ Blaine wrote:

> mechanism itself is also really convoluted

Sure, it's a Pentium 4 :)

> clean, responsible API. You do raise a good point, though, that perhaps 
> on Pentium IV we could use PEBS underneath the current proposed APIs to 
> deliver richer data with less overhead than on processors where all we 
> have is the standard overflow interrupt.

The reason I ask is that there's certain cases where it's really useful for
low-level tuning of hand-crafted assembly. Often the impreciseness makes
analysis difficult.

Having said that, I agree it's not particularly important.

regards
john
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