On Tue, 2007-03-20 at 08:16 -0700, Ray Lee wrote: > On 3/20/07, Mark Lord <[EMAIL PROTECTED]> wrote: > > I've droppped it from my machine -- interactive response is much > > more important for my primary machine right now. > > Help out with a data point? Are you running KDE as well? If you are, > then it looks like the common denominator that RSDL is handling poorly > is client-server communication. (KDE's KIO slaves in this case, but X > in general.)
im not experiencing any problems with KDE. if anything ktorrent seems to be going a teeny tiny bit smoother, though its nothing i can back up with data. now i havent tested ALL kioslaves yet, but stuff like sftp, fish, tar and such works just as good. > > If so, one would hope that a variation on Linus's 2.5.63 pipe wakeup > pass-the-interactivity idea could work here. The problem with that > original patch, IIRC, was that a couple of tasks could bounce their > interactivity bonus back and forth and thereby starve others. Which > might be expected given there was no 'decaying' of the interactivity > bonus, which means you can make a feedback loop. > > Anyway, looks like processes that do A -> B -> A communication chains > are getting penalized under RSDL. In which case, perhaps I can make a > test case that exhibits the problem without having to have the same > graphics card or desktop as you. An easy-to-reproduce testcase would be good. > > Ray > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/