Em Wed, Jul 19, 2017 at 02:28:26PM +0000, Liang, Kan escreveu: > > > > Em Mon, Jul 03, 2017 at 09:58:32AM +0200, Jiri Olsa escreveu: > > > On Fri, Jun 30, 2017 at 10:16:56AM -0400, [email protected] wrote: > > > > From: Kan Liang <[email protected]> > > > > > > > > An earlier kernel patch allowed enabling PT and LBR at the same time > > > > on Goldmont. > > > > > > > > commit ccbebba4c6bf ("perf/x86/intel/pt: Bypass PT vs. LBR > > > > exclusivity if the core supports it") > > > > > > > > However, users still cannot use Intel PT and LBRs simultaneously. > > > > $ sudo perf record -e cycles,intel_pt//u -b -- sleep 1 > > > > Error: > > > > PMU Hardware doesn't support sampling/overflow-interrupts. > > > > > > > > PT implicitly adds dummy event in perf tool. dummy event is software > > > > event which doesn't support LBR. > > > > > > > > Always setting no branch for dummy event in Intel PT. > > > > > > > > Signed-off-by: Kan Liang <[email protected]> > > > > > > for the patchset: > > > > > > Acked-by: Jiri Olsa <[email protected]> > > > > Thanks, applied. > > > > Hi Arnaldo, > > The patch series looks miss the latest update. > Could you please have a look?
Will, check, thanks for verifying. - Arnaldo
