Messages in this thread | | | Subject | Re: Power consumption HZ100, HZ250, HZ1000: new numbers | From | Lee Revell <> | Date | Sun, 31 Jul 2005 18:39:21 -0400 |
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On Mon, 2005-08-01 at 00:36 +0200, Pavel Machek wrote: > Hi! > > > > > I really like having 250HZ as an _option_, but what I don't see is why > > > > it should be the _default_. I believe this is Lee's position as > > > > Last I checked, ACPI and CPU speed scaling were not enabled by default; > > > > > > Kernel defaults are irelevant; distros change them anyway. [But we > > > probably want to enable ACPI and cpufreq by default, because that > > > matches what 99% of users will use.] > > > > > > > If the kernel defaults are irrelevant, then it would make more sense to > > leave the default HZ as 1000 and not to enable the cpufreq and ACPI in > > order to keep with the principle of least surprise for people who do use > > kernel.org kernels. > > Well, I'd say you want ACPI enabled. New machine do not even boot > without that. Default config should be usefull; set ACPI off, and > you'll not be able to even power machine down.
While it's good to be future proof, I don't think it's valid to assume that new kernels usually run on new hardware.
Lee
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