On 8/1/2010 1:50 AM, Paul Menzel wrote: > Dear PowerTOP folks, > > > Arjan committed in e480eb6990ece04f0f7991d0ae32e6e7b84a0d68 [1] a > suggestion to the following Linux option. > > Suggestion: Enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration > option. > This option will allow PowerTOP to collect runtime power management > statistics. > > I have two issues regarding this. > > 1. I am running Debian Sid/unstable and it looks like the shipped Linux > kernel 2.6.32-5-686 [2] does not have that config option yet. >
yeah that's.... rather old and lacks various power management features > a) Could PowerTOP check what Linux version is running and notify a user > if his Linux version supports this feature? Adding to the suggestion > when the feature was introduced should be also sufficient. > > b) If a) is not feasible, should I ask Debian to backport those options? > Do you know if that would be easily doable? > you'd not only need to backport this option, but the whole runtime power management infrastructure. debian/unstable could decide to move the kernel forward instead ;-) > 2. The description of this config options reads as follows [3]. > > Add extra sysfs attributes allowing one to access some Power > Management fields of device objects from user space. If you are > not a kernel developer interested in debugging/testing Power > Management, say "no". > > Should the debugging/testing part be removed considering that it might > benefit PowerTOP users too? > In talking with Rafael, it's quite possible that the need for this option for PowerTOP will go away (basically the stats needed will be moved out under this option).... so it's a little early for that ;) _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
