Hi! > >> Yes, it depends on the device, but we have demonstrated power > >> savings for two different types of devices using two different > >> measurement setups performed by two independent groups. Some > >> of the measurements are available on the website, the second > >> set should become available "soon" (but we can already say that > >> for the scenario we measured, the savings are in the same range > >> as before). > > > > The video I seen.... AFAICT the savings are in <10% range? > > For the scenario we scripted, yes. But note that we only > allowed 50% of the packets transmitted to be delayed (a bit). > If you were to increase the allowed delay or allowed a larger > fraction of packets to be delayed, you should see larger savings. > > > I seen demo on UDP packets... delayed TCP socket write is probably > > easy, but would API allow delayed TCP connect? > > Yes. > > > Hmm, but the API needs redoing, anyway, fcntl()? > > Depends --- while I like the idea, I did not hear enough to be > certain that having this feature embedded in such a non-modular > way was already the consensus (and I do not see a reasonable > way to change the API this way while maintaining the modularity > of the current code).
Being modular is not important for small piece of code like this. Having reasonable interface is... Pavel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/