Alternate thread blocking time accounting. Produces good profiles, but it's oddly slow.
Starting and stopping sampling is expensive. Only do it around delays
This is the best option. Still a little slow, but it's working well.
Removed extraneous functions from profiler header
Backed out recent adjustment to profiler. Evaluation scripts started

--HG--
rename : tools/experiment/run.py => tools/experiment/runner.py
Processing and experiment scripts, plus a final (hopefully) adjustment to the profiler

--HG--
rename : tools/coz-process/coz-process => tools/coz-process/coz_profile.py
Experiment and profiler updates