Rodrigo Fonseca Prabal Dutta Philip Levis Ion Stoica Quanto: Tracking Energy in Networked Embedded Systems. 323-338 2008 OSDI http://www.usenix.org/events/osdi08/tech/full_papers/fonseca/fonseca.pdf conf/osdi/2008 db/conf/osdi/osdi2008.html#FonsecaDLS08