Add simple compile-time way to disable the performance counter stuff
tree1566f9690045fb095e8487b40316f6cdff89356f
-rw-r--r-- 153 .gitignore
-rw-r--r-- 71 Makefile
-rw-r--r-- 265 README
drwxr-xr-x - doc
drwxr-xr-x - exp
drwxr-xr-x - include
drwxr-xr-x - perf
drwxr-xr-x - sql
drwxr-xr-x - test