Messages in this thread | | | Date | Sun, 5 Jun 2005 11:47:42 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, plist fixes |
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* Thomas Gleixner <tglx@linutronix.de> wrote:
> > but i think the fundamental question remains even on Sunday mornings - > > is the plist overhead worth it? Compared to the simple sorted list we > > exchange O(nr_RT_tasks_running) for O(nr_RT_levels_used) [which is in > > the 1-100 range], is that a significant practical improvement? By > > overhead i dont just mean cycle cost, but also architectural flexibility > > and maintainability. > > That was my question too.
i think it would be handy to resurrect ALL_TASKS_PI. It was one of the things that stabilized the sorted list approach so quickly. Nothing beats the coverage of running a full graphical desktop with all the PI code active :-)
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