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Commit ac82d16f authored by John Stultz's avatar John Stultz Committed by Dmitry Shmidt
Browse files

ANDROID: sched: Add Kconfig option DEFAULT_USE_ENERGY_AWARE to set ENERGY_AWARE feature flag 



The ENERGY_AWARE sched feature flag cannot be set unless
CONFIG_SCHED_DEBUG is enabled.

So this patch allows the flag to default to true at build time
if the config is set.

Change-Id: I8835a571fdb7a8f8ee6a54af1e11a69f3b5ce8e6
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
parent f2dd18a0

init/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -1360,6 +1360,16 @@ config SCHED_TUNE 


	  If unsure, say N.



config DEFAULT_USE_ENERGY_AWARE

	bool "Default to enabling the Energy Aware Scheduler feature"

	default n

	help

	  This option defaults the ENERGY_AWARE scheduling feature to true,

	  as without SCHED_DEBUG set this feature can't be enabled or disabled

	  via sysctl.



	  Say N if unsure.



config SYSFS_DEPRECATED

	bool "Enable deprecated sysfs features to support old userspace tools"

	depends on SYSFS

kernel/sched/features.h

+4 −0
Original line number Diff line number Diff line
@@ -73,4 +73,8 @@ SCHED_FEAT(ATTACH_AGE_LOAD, true) 
 * Energy aware scheduling. Use platform energy model to guide scheduling

 * decisions optimizing for energy efficiency.

 */

#ifdef CONFIG_DEFAULT_USE_ENERGY_AWARE

SCHED_FEAT(ENERGY_AWARE, true)

#else

SCHED_FEAT(ENERGY_AWARE, false)

#endif