*BSD News Article 14196


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From: reink@hpuamsa.neth.hp.com (Reinier Kleipool)
Date: Tue, 6 Apr 1993 20:29:13 GMT
Subject: Re: Speed of serial ports under 386BSD
Message-ID: <52570007@hpuamsa.neth.hp.com>
Organization: HP-Sales Office-The Netherlands
Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!elroy.jpl.nasa.gov!usc!wupost!sdd.hp.com!hpscit.sc.hp.com!hplextra!hpcc05!hpbbn!hpuamsa!reink
Newsgroups: comp.os.386bsd.questions
References: <733653594snz@aldur.demon.co.uk>
Lines: 17

Yes this is a problem with most Unixes, because there is a high latency
between the issuing of an interrupt and the time it is served. This
is due to other processes taking cpu time. So in fact the problem
should be less with a tiny kernel, because I assume you have less
processes running....



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