import logging

def setup():
    logging._acquireLock()
    try:
        OldLoggerClass = logging.getLoggerClass()
        class ProcessAwareLogger(OldLoggerClass):
            _process_aware = True
            def makeRecord(self, *args, **kwds):
                record = OldLoggerClass.makeRecord(self, *args, **kwds)
                record.processName = multiprocessing.util.current_process()._name
                return record
        logging.setLoggerClass(ProcessAwareLogger)
    finally:
        logging._releaseLock()

setup()
import multiprocessing.util
multiprocessing.util.log_to_stderr(level=logging.DEBUG)
multiprocessing.util.debug("Terminating")