On Wed, 2005-07-13 at 13:52 -0400, Lee Revell wrote: > On Wed, 2005-07-13 at 13:42 -0400, Eric Dantan Rzewnicki wrote: > > > > What is driving the kernel-devs to regress on this issue? > > > Saving battery on laptops. The only performance numbers anyone posted > > > indicated HZ=250 sped up a kernel compile on a 16 CPU machine (!) by > > > ~5%, and this was after the fact. Not exactly compelling... > > > But since Linus and Andrew apparently all use laptops, us desktop people > > > are screwed... > > > > Any chance they would make it a config option? > > > > It is a config option, the available settings are 100, 250, and 1000. > The problem is that the default has changed to 250. Update: Linus has said that this is a done deal. So now we need to figure out how to work around it. I guess we'll have to go back to using the RTC like on 2.4. Lee
