Re: Cycles annotation support for perf tools

[Andi Kleen <andi@firstfloor.org>]

On Sun, May 24, 2015 at 08:55:00PM +0200, Jiri Olsa wrote:
> On Sun, May 10, 2015 at 06:51:56AM -0700, Andi Kleen wrote:
> > The upcoming Skylake CPU has a new timed branch stack feature,
> > that reports cycle counts for individual branches in the
> > last branch record.
> > 
> > This allows to get fine grained cost information for code, and also allows
> > to compute fine grained IPC.
> > 
> > This patchkit adds support for this in the perf tools:
> > - Basic support for the cycles field like other branch fields
> > - Show cycles in the standard branch sort view (no IPC here,
> >   as IPC needs the instruction counts from annotation)
> > - Annotate cycles and IPC in the assembler annotate view
> > - Add branch support to top, so we can do live annotation.
> > - Misc support, like dumping it in perf report -D
> 
> hi,
> do you have a branch with this change?

git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc perf/skl-tools1

This version contains one bugfix over the posted version.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.