author | John Stultz <john.stultz@linaro.org> | 2016-09-21 01:42:22 (GMT) |
---|---|---|
committer | Dmitry Shmidt <dimitrysh@google.com> | 2017-02-08 21:46:01 (GMT) |
commit | ac82d16f334316179826c93cd61abe838812b7db (patch) | |
tree | 816cbcd1586ca10e615cf4c722338cefe6d31100 | |
parent | f2dd18a00f1b20cc84aa3b5e99991fff789d2cfd (diff) | |
download | common-ac82d16f334316179826c93cd61abe838812b7db.zip common-ac82d16f334316179826c93cd61abe838812b7db.tar.gz common-ac82d16f334316179826c93cd61abe838812b7db.tar.bz2 |
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: John Stultz <john.stultz@linaro.org>
-rw-r--r-- | init/Kconfig | 10 | ||||
-rw-r--r-- | kernel/sched/features.h | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index d7dd52f..2e15b93 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -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 diff --git a/kernel/sched/features.h b/kernel/sched/features.h index b634151..55e4610 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -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 |