Date: Thu, 2 Jul 1998 16:18:34 +0200 (MET DST) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: rminnich@Sarnoff.COM (Ron G. Minnich) Cc: hackers@FreeBSD.ORG Subject: Re: timeout granularity (was: Re: Console driver...) Message-ID: <199807021418.QAA12618@labinfo.iet.unipi.it> In-Reply-To: <Pine.SUN.3.91.980702091557.1008D-100000@terra> from "Ron G. Minnich" at Jul 2, 98 09:16:59 am
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> On Thu, 2 Jul 1998, Luigi Rizzo wrote: > > polling if the test is successful. Sooner or later hopefully we > > will move to large values of HZ anyways. > > good point. I've experimented with HZ of 10,000 on a 486-25. 10K was a > bit large for this machine, but 2500 was no problem. What's the largest > HZ anyone out there has used? I'd expect that 10K or 20K would not be a > real problem. Anyone know? > > ron > p.s. no, time did not run fast. I put pre-scaling in hardclock so all was > well. do you have a patch for the above ? I think most things work fine with HZ>100 but i have heard that NTP has problems with it. (i like to use higher values of HZ for many applications) cheers luigi -----------------------------+-------------------------------------- Luigi Rizzo | Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it | Universita' di Pisa tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ _____________________________|______________________________________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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