Sampling instruction pointer on PPC

David Ahern dsahern at
Fri Mar 2 05:00:11 EST 2012

[Added linuxppc-dev list.]

On 3/1/12 10:08 AM, Victor Jimenez wrote:
> I am trying to sample instruction pointer along time on a Power7 system.
> I know that there are accurate mechanisms to do so in Intel processors
> (e.g., PEBS and Branch Trace Store).
> Is it possible to do something similar in Power7? Will the samples be
> accurate? I am worried that significant delays (skids) may appear.
> Thank you,
> Victor
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