Re: [PATCH 8/9] perf intel-pt: Update documentation about itrace G and L options

[Andi Kleen]

> > 
> > On Skylake/Goldmont the PEBS event contains the TSC and the time stamp reported by
> > perf should report the time the event was sampled based on that TSC. 
> > Or is that not working for some reason?
> 
> I guess it is not working like that, but perf tools would probably need
> special rules to sort the events because the they would break the rules of
> PERF_RECORD_FINISHED_ROUND, wouldn't they?

Yes it may violate finished round.

It should not be delayed longer than the next context switch though.

The documentation warning would be still correct, but only on Broadwell.

-Andi