Messages in this thread | | | Date | Wed, 10 Jul 2002 17:49:44 -0500 | From | Eli Carter <> | Subject | Re: HZ, preferably as small as possible |
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Thunder from the hill wrote: > Hi, > > On Wed, 10 Jul 2002, Thunder from the hill wrote: > >>Want a config option? Either int or bool (CONFIG_LOW_HZ). It's not too >>much effort. > > > I guess I forgot the half of it... > > What arches do we want? > > Index: arch/i386/Config.help > =================================================================== > RCS file: /var/cvs/thunder-2.5/arch/i386/Config.help,v > retrieving revision 1.4 > diff -p -u -r1.4 Config.help > --- arch/i386/Config.help 7 Jul 2002 09:59:46 -0000 1.4 > +++ arch/i386/Config.help 10 Jul 2002 22:40:17 -0000 > @@ -991,3 +991,13 @@ CONFIG_X86_EARLY_PRINTK > to the console much earlier in the boot process than printk. This > is useful when debugging fatal problems early in the boot sequence > (e.g. within setup_arch). If unsure, say N. > + > +Low kernel scheduler rate > +CONFIG_SCHED_LOW_HZ > + Enable this if you care about your CPU sleeping time. The current > + interval for scheduling processes in the kernel has recently been > + increased. The advantage is less latency for many things that depend
Perhaps s/increased/shortened/ ?
> + on the timer, the disadvantage is that your cpu will probably not > + go to sleep in time (so CPU power management will possibly not work > + at all) > + > Index: include/asm-i386/param.h [snip]
Eli --------------------. "If it ain't broke now, Eli Carter \ it will be soon." -- crypto-gram eli.carter(a)inet.com `-------------------------------------------------
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