Re: How to know HZ from userspace?

[Tomas Telensky]

> Hi!
> 
> Is there any way to read out the compile-time HZ value of the kernel?

Why simply #include <asm/param.h>?

	Tomas

> 
> I had a brief look at /proc/* and didn't find anything.
> 
> The background, why it is needed:
> 
> There are certain settings, for example the icmp rate limiting values,
> which can be set using sysctl. Those setting are basically derived from
> HZ values (1*HZ, for example).
> 
> If you now want to set those values from a userspace program / script in
> a portable manner, you need to be able to find out of HZ of the currently
> running kernel.
> 
> -- 
> Live long and prosper
> - Harald Welte / [e-mail]               http://www.gnumonks.org/
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