RE: [PATCH V3 1/3] perf tools: enable LBR call stack support

2014-11-18 Thread Liang, Kan
> > On Fri, 14 Nov 2014 08:44:10 -0500, kan liang wrote: > > From: Kan Liang > > > > Currently, there are two call chain recording options, fp and dwarf. > > Haswell has a new feature that utilizes the existing LBR facility to > > record call chains. So it provides the third options to record ca

Re: [PATCH V3 1/3] perf tools: enable LBR call stack support

2014-11-17 Thread Namhyung Kim
On Fri, 14 Nov 2014 08:44:10 -0500, kan liang wrote: > From: Kan Liang > > Currently, there are two call chain recording options, fp and dwarf. > Haswell has a new feature that utilizes the existing LBR facility to > record call chains. So it provides the third options to record call > chain. This