diff options
author | John Stultz <john.stultz@linaro.org> | 2016-09-20 18:42:22 -0700 |
---|---|---|
committer | Amit Pundir <amit.pundir@linaro.org> | 2016-10-12 17:34:22 +0530 |
commit | fc1d6c8c6a6e7353147bcb02d0236db5714804d2 (patch) | |
tree | 71b76416c0bd4829993bbed64f692f42afca6058 | |
parent | ca4b83c5476f68cb0ead77c23775e7ef68a37058 (diff) |
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 e71e35cf723c..acb6645ffda5 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1290,6 +1290,16 @@ 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 b634151ce286..55e461055332 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 |