| File to which metrics are dumped per compilation. |
| A CSV format is used if the file ends with .csv otherwise a more |
| human readable format is used. The fields in the CSV format are: |
| compilable - method being compiled |
| compilable_identity - identity hash code of compilable |
| compilation_nr - where this compilation lies in the ordered |
| sequence of all compilations identified by |
| compilable_identity |
| compilation_id - runtime issued identifier for the compilation |
| metric_name - name of metric |
| metric_value - value of metric |
