Date: Tue, 5 Feb 2002 10:26:13 -0800 (PST) From: John Polstra <jdp@polstra.com> To: hackers@freebsd.org Cc: phk@critter.freebsd.dk Subject: Re: A question about timecounters Message-ID: <200202051826.g15IQDt04095@vashon.polstra.com> In-Reply-To: <90498.1012930272@critter.freebsd.dk> References: <90498.1012930272@critter.freebsd.dk>
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In article <90498.1012930272@critter.freebsd.dk>,
Poul-Henning Kamp <phk@critter.freebsd.dk> wrote:
> In message <200202051723.g15HNH603801@vashon.polstra.com>, John Polstra writes:
>
> Can you try to MFC rev 1.111 and see if that changes anything ?
That produced some interesting results. I am still testing under
very heavy network interrupt load. With the change from 1.111, I
still get the microuptime messages about as often. But look how
much larger the reported backwards jumps are:
microuptime() went backwards (896.225603 -> 888.463636)
microuptime() went backwards (896.225603 -> 888.494440)
microuptime() went backwards (896.225603 -> 888.500875)
microuptime() went backwards (1184.392277 -> 1176.603001)
microuptime() went backwards (1184.392277 -> 1176.603749)
John
--
John Polstra
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
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