Messages in this thread | | | Date | Sun, 3 Jan 1999 11:18:07 +0100 | From | Florian Lohoff <> | Subject | Re: Can and should the kernel HZ value be changed? |
| |
On Sun, Jan 03, 1999 at 12:12:16AM -0500, Jeff Millar wrote: > >CD. I presume that there are good reasons to keep HZ at it's present value, but > >I'd like to find out more about it. Can anyone point me to more information or > >perhaps a previous discussion of this subject? > > > The timer value could scale upward with CPU performance, assuming it's limited > by overhead. Given that performance goes up 10X every 5 years and that the > x86 kernels have used 100 Hz for at least that long, we're due for an > increase.
This shouldnt be true for CONFIG_I386 or something. I agree for current desktop systems like K6/>=200 and other compareable processors. This should maybe be bound to the CPU selection and/or seperatly configurable.
Flo -- Florian Lohoff flo@rfc822.org +49-5241-470566 Good, Fast, Cheap: Pick any two (you can't have all three). (RFC 1925)
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |