Corrected gettimeofday() test code
phk at phk.freebsd.dk
Sat Nov 29 16:02:50 PST 2003
In message <20031129192903.U99096 at 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
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