On Monday 14 May 2007, James Rayner wrote: > to be honest. I think it's a stupid idea.
I'm not sure if describing other's ideas as "stupid" is very polite :( > > So far, all you have lined up, are two, very very dubious config > changes. We'll start with the CONFIG_USB_SUSPEND: > - It breaks some drivers. > - It can cause problems with suspend, and can cause a laptop to wake up > from s2ram > - 1w is nothing. It's not worth saving given the above downsides, that > could even cost more battery > - You could save the aforementioned 1w, just by unloading your usb > driver. Far better solution than a kludgy config option. > > As for CONFIG_TIMER_STATS > - The kernel developers state this has a significant overhead. When they > say significant, they mean significant. > - All config_timer_stats adds is extra debuggin info for power top, a > once off only, analysis tool. Powertop saves no power, it *uses* > power. Powertop only serves to find where the power is going. > - Given the above, you don't need to run power top often. Maybe > monthly, most likely less frequently, if ever. Is this really worth > building and packaging a second kernel and modules (18 at my last count) > that uses more power, and reduces battery life? We are talking about setting a kernel for laptop users, it does not necessary mean we are going to set *these* options > > Put a kernel only with an adapted config in the AUR. Any more than that is > overkill. If you have other *reasonable* patches, bug tracker them and > request inclusion in the stock kernel. They usually get included, and > the other kernels should track them too. > > Don't second guess the kernel developers, they know more than you. If > they strongly suggest you don't enable something, or say that it has > overhead, maybe you ought to listen. Nobody has done that. We are discussing, debating options to improve our favourite distro, nothing else. Damnshock
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