Messages in this thread |  | | | Date | Mon, 12 Mar 2007 15:22:16 +0100 | | From | Andi Kleen <> | | Subject | Re: [patch] change futex_wait() to hrtimers |
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> This becomes especially important if we want the tickless code to > really shine as far as power management is concerned. Unfortunately, > the POSIX timer abstraction doesn't give this kind of flexibility > easily, so it's going to be a while before we see significant > userspace adoption of such a kernel feature, but I think it's > something that would be still worthwhile to add.
I suspect it would be overkill to specify that on every sleep operation. 99% of applications won't care and for the 1% leftover a global per process setting should be fine. I think a single prctl() and a global sysctl as default would be enough.
-Andi
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