Messages in this thread | | | Date | Mon, 28 Aug 2006 18:19:27 +0200 | From | Arjan van de Ven <> | Subject | Re: [PATCH] maximum latency tracking infrastructure (version 3) |
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Andreas Mohr wrote: > Hi, > > On Mon, Aug 28, 2006 at 05:48:00PM +0200, Arjan van de Ven wrote: >> The proposed solution is to have an interface where drivers can >> * announce the maximum latency (in microseconds) that they can deal with >> * modify this latency >> * give up their constraint >> and a function where the code that decides on power saving strategy can query >> the current global desired maximum. > > Nifty (aka "dumb") idea: would it make sense to enable drivers to register a > callback "we're going to go idle now" to e.g. let a driver refill or > service its hardware buffers the very moment before idling?
I could have sworn there was an idle call notifier already\
ah there is on x86-64 but it is architecture specific... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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