Re: High Resolution Ticks in linux kernel

[Christine Ames <clgisotti@yahoo.com>]

--- vany s <vany_29_2002@yahoo.com> wrote:
> 
> Hi,
>    m writing a PCI IDE driver module and basically i

IDE?  Oh-boy.  Good luck!


> want my driver to implement all delays/sleeps in terms
> of clockticks usingthe system frequency as input ..
> The problem that im facing is that this frequency is
> defined as HZ on all i386 machines which is equal to 
> 100 ..(100 clockticks per sec)  so how do i send the
> high resolution time values i.e micro and nanosec
> waits in terms of ticks so as to schedule a
> wait/timeout for that many ticks? ( I do not want to
> tune the kernel parameter to change the system
> frequency from 100 to a larger value either)
> 
> Pls let me know your inputs
> 

micro and milli-second delays are already implemented.  nano you'll
have to do yourself.

See the following link, and scroll down to "short delays".
http://www.xml.com/ldd/chapter/book/ch06.html#t3

Harmony,

--Christine



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