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linux-next/drivers/cpuidle/governors
Pallipadi, Venkatesh 816bb611e4 cpuidle: Add decaying history logic to menu idle predictor
Add decaying history of predicted idle time, instead of using the last early
wakeup. This logic helps menu governor do better job of predicting idle time.

With this change, we also measured noticable (~8%) power savings on
a DP server system with CPUs supporting deep C states, when system
was lightly loaded. There was no change to power or perf on other load
conditions.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-30 18:48:01 -05:00
..
ladder.c cpuidle: Make ladder governor honor latency requirements fully 2008-08-15 21:25:35 +02:00
Makefile cpuidle: consolidate 2.6.22 cpuidle branch into one patch 2007-10-10 00:12:41 -04:00
menu.c cpuidle: Add decaying history logic to menu idle predictor 2008-12-30 18:48:01 -05:00