init-debug.rc: add runtime mmc max speed property actors

persist.mmc.max_read_speed  - KB/s speed cap
persist.mmc.max_write_speed - KB/s speed cap
persist.mmc.cache_size      - MB of high-speed on-device write cache

device default directly to associated /sys/block/mmcblk0/ attributes,
not delivered on "user" builds.

Bug: 26976972
Change-Id: Ic82b9614489b6406ce830d127c85affc9095e256
This commit is contained in:
Mark Salyzyn 2016-01-28 09:32:53 -08:00
parent 5b89b49fc9
commit 7864e36751
2 changed files with 20 additions and 0 deletions

View File

@ -11,6 +11,18 @@ LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
include $(BUILD_PREBUILT)
#######################################
# init-debug.rc
include $(CLEAR_VARS)
LOCAL_MODULE := init-debug.rc
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := debug
LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/init
include $(BUILD_PREBUILT)
#######################################
# asan.options
ifneq ($(filter address,$(SANITIZE_TARGET)),)

8
rootdir/init-debug.rc Normal file
View File

@ -0,0 +1,8 @@
on property:persist.mmc.max_read_speed=*
write /sys/block/mmcblk0/max_read_speed ${persist.mmc.max_read_speed}
on property:persist.mmc.max_write_speed=*
write /sys/block/mmcblk0/max_write_speed ${persist.mmc.max_write_speed}
on property:persist.mmc.cache_size=*
write /sys/block/mmcblk0/cache_size ${persist.mmc.cache_size}