Re: Corrected gettimeofday() test code
From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 11/30/03
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To: "Marc G. Fournier" <scrappy@hub.org> Date: Sun, 30 Nov 2003 01:02:47 +0100
In message <20031129192903.U99096@ganymede.hub.org>, "Marc G. Fournier" writes:
>On Sat, 29 Nov 2003, Don Bowman wrote:
>
>> For this config (below), kern.timecounter.method=0 reproduces the
>> problem, kern.timecounter.method=1 does not.
>
>Can anyone comment on what effect setting method to 1 has on the system?
>Like, would one notice a degradation in performance?
Setting it to 1 forces the timecounter to update every HZ.
You can say that 0 was an optimization which it seems may not be
safe on certain hardware combinations...
-- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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