Re: disabling group leader perf_event

[Peter Zijlstra]

On Wed, 2010-09-08 at 08:44 +0200, Ingo Molnar wrote:
> Thus instructions like 'mov (%rax), ...' would be handled by not 
> allowing them, only addresses which do not change from execution
> state.

> Do you know some interesting usecase that would be excluded via such 
> address restrictions? 

my_array[i] = foo;

usually ends up wanting to do something with a register offset.
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