Messages in this thread | | | Date | Mon, 19 Jun 2006 22:57:18 +0200 | From | Dominik Brodowski <> | Subject | ACPI C-States algorithm updates for dyn-tick |
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Hi,
On Mon, Jun 19, 2006 at 10:06:51PM +0200, Thomas Gleixner wrote: > On Tue, 2006-06-20 at 00:03 +1000, Con Kolivas wrote: > > Dominik donated a lot of code to use the dynticks infrastructure to actually > > implement the power savings. Just skipping ticks seemed to make very little > > power difference unless we also used the knowledge from next timer interrupt > > to know how long we are going to be idle and choose C state transitions > > accordingly. Each patch is documented at length in the split out > > > > C-States-1_bm_activity_improvements.patch > > C-States-2_bm_activity_handling_improvement.patch > > C-States-3_accounting_of_sleep_times.patch > > C-States-4_dyn-ticks_tweaks.patch > > > > http://ck.kolivas.org/patches/dyn-ticks/split-out/ > > Thanks for pointing that out. We'll look into those tomorrow.
1 to 3 were already submitted to Len, as they're useful already right now. (Len: do you want me to re-submit, as I can't find them in a git tree right now?) The fourth one is the only dyn-tick-specific one, and probably needs some more tweaking, testing and benchmarking.
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