Re: finding out the value of HZ from userspace

[Arjan van de Ven]

On Tue, Mar 16, 2004 at 11:28:18AM +1100, Peter Williams wrote:
> >Ugh that should say 100 on x86....
> >but..
> >param.h:# define USER_HZ        100             /* .. some user interfaces 
> >are in "ticks" */
> >param.h:# define CLOCKS_PER_SEC (USER_HZ)       /* like times() */
> >.....
> >that looks like 100 to me.
> >
> 
> This horrible hack of converting all tick values to 100 (from 1000) for 
> export to user space because a large number of user space programs 
> assume that HZ is 100 would NOT be necessary if there was a mechanism 
> whereby user space programs could find out how many ticks there are in a 
> second instead of having to make assumptions.

there is one. Nothing uses it
(sysconf() provides this info)

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