Andi Kleen <a...@firstfloor.org> writes: Ping!
> From: Andi Kleen <a...@linux.intel.com> > > [v4: Rebased on current tree. Avoid some redundant log statements > for locals and a few other fixes. Fix some comments. Improve > documentation. Did some studies on the debug information quality, > see below] > > Add a new pass to automatically instrument changes to variables > with the new PTWRITE instruction on x86. PTWRITE writes a 4 or 8 byte > field into an Processor Trace log, which allows low over head > logging of information. Essentially it's a hardware accelerated > printf.
