Re: PATCH: /proc/sys/kernel/hz

From: Andreas Jaeger (
Date: Mon Jul 16 2001 - 13:34:23 EST

Rolf Fokkens <> writes:

> Ulrich Drepper <> writes:
>>> Some software (like procps) needs the HZ constant in the kernel. It's
>>> sometimes determined by counting jiffies during a second. The attached
> patch
>>> just "publishes" the HZ constant in /proc/sys/kernel/hz.
>>And what is wrong with
>> getconf CLK_TCK
>>or programmatically
>> hz = sysconf (_SC_CLK_TCK);
> In short: it doesn't work: it reads 100 while I changed it to 1024 in my
> kernel.

Then your kernel is broken, check AT_CLKTCK,


 Andreas Jaeger
  SuSE Labs
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Mon Jul 23 2001 - 21:00:07 EST