Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!mips!daver!lynx!vik From: vik@lynx.uucp (Vikram Sohal) Newsgroups: comp.realtime Subject: Re: Realtime RISC? Message-ID: <8336@lynx.UUCP> Date: 13 Dec 90 16:15:09 GMT References: <1990Dec4.193740.4430@nbc1.ge.com> <879@hrshcx.csd.harris.com> <61499@bbn.BBN.COM> Reply-To: vik@lynx.UUCP (Vikram Sohal) Organization: Lynx Real-Time Systems Inc, Campbell CA Lines: 20 In article <61499@bbn.BBN.COM> tdonahue@prost.bbn.com (Tim Donahue) writes: >In article <879@hrshcx.csd.harris.com>, steved@hrshcx (Steve Daukas) writes: >> >>Harris has a Real-Time Unix Kernal that runs on a M88100 RISC processor. >>This was designed for "Hard Real-Time" environments, those needing >>interrupt response times of less than 5 microseconds and context switch >>times of less than 50 microseconds. The Kernal is SVID and SVVS and POSIX. >> >>Steve > Interesting times; however, what is the worst case task response time on this system? the context switch time and interrupt response time are only a part of the total equation. ----------------------------------------------------------------------------- Vic Sohal Lynx Real-Time Systems "MIPS is MIPS" (408) 354-7770 -----------------------------------------------------------------------------