Re: RT patch acceptance

Nick Piggin
2005-05-25T03:24:52Z

Lee Revell wrote:

>On Tue, 2005-05-24 at 19:20 -0700, Andrew Morton wrote:
>
>>Sven Dietrich <sdietrich@mvista.com> wrote:
>>
>>>I think people would find their system responsiveness / tunability
>>> goes up tremendously, if you drop just a few unimportant IRQs into
>>> threads.
>>>
>>People cannot detect the difference between 1000usec and 50usec latencies,
>>so they aren't going to notice any changes in responsiveness at all.
>>
>
>The IDE IRQ handler can in fact run for several ms, which people sure
>can detect.
>
>

Are you serious? Even at 10ms, the monitor refresh rate would have to be
over 100Hz for anyone to "notice" anything, right?... What sort of numbers
are you talking when you say several?

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