Messages in this thread | | | Subject | Re: [RFC][PATCH] Make MAX_RT_PRIO and MAX_USER_RT_PRIO configurable | From | Steven Rostedt <> | Date | Thu, 28 Jul 2005 07:53:56 -0400 |
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On Thu, 2005-07-28 at 09:22 +0200, Ingo Molnar wrote:
> nitpicking: i guess the answer also depends on what the precise > requirement is. If the requirement is 'run for 4 seconds every 10 > seconds, uninterrupted, else the power plant melts down', i'd sure not > make the washing machine process the higher priority one ;-) > > (also, i'd give the power plant process higher priority even if the > requirement is not as strict, just from a risk POV: what if the washing > machine control program is buggy and got into an infinite loop > somewhere.)
Doug also said that you're an idiot if you run a washing machine from the same computer you run a nuclear power plant from :-)
The point that he was making though is that if you want a system that runs without flaws, you don't always prioritize the same way the real world would prioritize. You need to do it with math.
-- Steve
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