Re: Interrupt frequency
jdebert <[email protected]> Mon, 30 Aug 2004 13:49:34 -0700
| Newsgroups | gmane.linux.redhat.devel |
|---|---|
| Message-ID | <[email protected]> |
Sahan Sanjeewa wrote: > Hi, > > Can somebody tell me the usage (or the meaning) of the constant HZ in > /usr/src/linux-2.4/include/asm/param.h. Does it relate to the interrupt > frequency ? > The HZ constant started out as a locale-dependent variable, and could be either 50 or 60. The purpose and history of this is in a kernel howto somewhere. Perhaps in the kernel-developer's howto. It does relate to some critical timing, if I recall correctly. It's been a long time since I read the kernel how-to's (since 0.99?) and they could explain much better than I ever could. =-=