@classmethod<EOL><INDENT>def _create_extractors(cls, metrics):<DEDENT>
metrics_dict = {}<EOL>for metric, config in six.iteritems(metrics):<EOL><INDENT>category = config.get('<STR_LIT>', StdBenchmark.DEFAULT_CATEGORY)<EOL>metrics_dict.setdefault(category, {})[metric] = config<EOL><DEDENT>return dict(<EOL>(category, StdExtractor(metrics))<EOL>for category, metrics in six.iteritems(metrics_dict)<EOL>)<EOL>
Build metrics extractors according to the `metrics` config

        :param metrics: Benchmark `metrics` configuration section