On Wed, 2005-07-13 at 18:17 -0400, Eric Dantan Rzewnicki wrote: > On Wed, Jul 13, 2005 at 02:20:20PM -0400, Lee Revell wrote: > > 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. > > I'm confused ... most of us build our own kernels or use kernels built > by Fernando or Free. Why can't kernels just be built with the config > option set to 1000? > Because we want MIDI sequencers to work OOTB, like on other OSes. Lee
