Re: [rtl] Interrupt Jitter

[Norm Dresner <ndrez@att.net>]

Can you be more specific about the source of the jitter on the motherboard?

	Norman Dresner
	Fellow Systems Engineer
	Radar Systems Engineering Department
	Electronic Systems and Sensors Segment
	Northrop Grumman Corporation
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At 03:58 PM 12/12/00 -0700, yodaiken@fsmlabs.com wrote:
>It's the motherboard design, not the chip. We get amazing performance
>on some more integrated chips.
>
>On Tue, Dec 12, 2000 at 03:39:12PM -0500, bionic@vassalboro.bu.edu wrote:
>> 
>> I've heard from many of you that x86 architecture is fundamentally limited
>> to no better than a worst case interrupt latency of ~20us. Victor even
>> alludes to this in his RTLinux White Paper. Does anyone know of a source I
>> can reference that spells this out in detail with an explanation?
>> 
>> -Chuck
>> 
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