* Jiri Olsa <jo...@redhat.com> wrote:
> On Sun, Jan 27, 2013 at 01:41:33PM +0100, Ingo Molnar wrote:
> >
> > * Jiri Olsa <jo...@redhat.com> wrote:
> >
> > > hi,
> > > adding sysfs attribute to specify the maximum allowed value
> > > for perf_event_attr::precise_ip field.
> > >
> > > Adding functionality for simple 'precise' term to get the
> > > maximum allowed value for perf_event_attr::precise_ip field.
> > >
> > > And finally adding several precise automated tests.
> >
> > Ok - could we please as a next step turn on cycles:pp as the
> > default in all the profiling tools (perf record, perf top),
> > transparently? I.e. if the CPU supports it then use it, if not
> > then don't complain, just use the highest grade profiling method
> > available.
>
> yep, we discussed with Arnaldo this would be good to have
This would be a high-profile, user visible improvement to
profiling quality.
Thanks,
Ingo
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