In domain.sh process controller is started with host controller's options:
# Execute the JVM in the background eval \"$JAVA\" -D\"[Process Controller]\" $PROCESS_CONTROLLER_JAVA_OPTS \ \"-Dorg.jboss.boot.log.file=$JBOSS_LOG_DIR/process-controller.log\" \ \"-Dlogging.configuration=file:$JBOSS_CONFIG_DIR/logging.properties\" \ <snip snip snip> \"-Dlogging.configuration=file:$JBOSS_CONFIG_DIR/logging.properties\" \ $HOST_CONTROLLER_JAVA_OPTS \ -- \ -default-jvm \"$JAVA_FROM_JVM\" \ '"$@"' "&"