diff options
| author | Zhao Wei Liew <zhaoweiliew@gmail.com> | 2016-05-02 08:48:06 +0800 |
|---|---|---|
| committer | Gerrit Code Review <gerrit@cyanogenmod.org> | 2016-06-13 14:09:10 -0700 |
| commit | c2e4adad52165c400f9a0ccb4cb6a0ebd4297d92 (patch) | |
| tree | eddda1e810fcd46c1a7dd40e093ac8e202614566 | |
| parent | a5055a996a794da1b8efeb1fe8f6d320b5115757 (diff) | |
msm8916: Enable cpusets
ActivityManager uses this feature to assign certain tasks
to certain cores, thereby improving power consumption.
Change-Id: Icc02ab7720bd415af7d9f99e435a021d05bf74c8
| -rw-r--r-- | board/kernel.mk | 2 | ||||
| -rw-r--r-- | rootdir/etc/init.qcom.power_msm8916.rc | 6 | ||||
| -rw-r--r-- | rootdir/etc/init.qcom.power_msm8939.rc | 6 | ||||
| -rw-r--r-- | rootdir/etc/init.qcom.rc | 3 |
4 files changed, 17 insertions, 0 deletions
diff --git a/board/kernel.mk b/board/kernel.mk index 0ec9a3e..802d5b0 100644 --- a/board/kernel.mk +++ b/board/kernel.mk @@ -7,6 +7,8 @@ BOARD_KERNEL_SEPARATED_DT := true BOARD_KERNEL_TAGS_OFFSET := 0x01E00000 BOARD_RAMDISK_OFFSET := 0x02000000 +ENABLE_CPUSETS := true + TARGET_KERNEL_SOURCE := kernel/cyanogen/msm8916 ifneq ($(FORCE_32_BIT),true) TARGET_KERNEL_ARCH := arm64 diff --git a/rootdir/etc/init.qcom.power_msm8916.rc b/rootdir/etc/init.qcom.power_msm8916.rc index 6be9da5..47ed84b 100644 --- a/rootdir/etc/init.qcom.power_msm8916.rc +++ b/rootdir/etc/init.qcom.power_msm8916.rc @@ -35,6 +35,12 @@ on enable-low-power # Enable low power modes write /sys/module/lpm_levels/parameters/sleep_disabled 0 + # Update foreground and background cpusets + write /dev/cpuset/foreground/cpus 0-3 + write /dev/cpuset/foreground/boost/cpus 0-3 + write /dev/cpuset/background/cpus 0 + write /dev/cpuset/system-background/cpus 0-1 + rm /data/system/perfd/default_values start perfd diff --git a/rootdir/etc/init.qcom.power_msm8939.rc b/rootdir/etc/init.qcom.power_msm8939.rc index 75329d0..37add80 100644 --- a/rootdir/etc/init.qcom.power_msm8939.rc +++ b/rootdir/etc/init.qcom.power_msm8939.rc @@ -68,6 +68,12 @@ on enable-low-power # Enable low power modes write /sys/module/lpm_levels/parameters/sleep_disabled 0 + # Update foreground and background cpusets + write /dev/cpuset/foreground/cpus 0-7 + write /dev/cpuset/foreground/boost/cpus 0-3 + write /dev/cpuset/background/cpus 4 + write /dev/cpuset/system-background/cpus 4-7 + # Per-process reclaim write /sys/module/process_reclaim/parameters/enable_process_reclaim 1 write /sys/module/process_reclaim/parameters/pressure_min 10 diff --git a/rootdir/etc/init.qcom.rc b/rootdir/etc/init.qcom.rc index df2e41f..09f7bcf 100644 --- a/rootdir/etc/init.qcom.rc +++ b/rootdir/etc/init.qcom.rc @@ -345,6 +345,7 @@ service msm_irqbalance /system/bin/msm_irqbalance -f /system/vendor/etc/msm_irqb class core user root group root + writepid /dev/cpuset/system-background/tasks service netmgrd /system/bin/netmgrd class main @@ -497,6 +498,7 @@ service qcamerasvr /system/bin/mm-qcamera-daemon class late_start user camera group camera system inet input graphics + writepid /dev/cpuset/system-background/tasks # Allow usb charging to be disabled peristently on property:persist.usb.chgdisabled=1 @@ -515,6 +517,7 @@ service perfd /vendor/bin/perfd user root group root disabled + writepid /dev/cpuset/system-background/tasks service thermal-engine /vendor/bin/thermal-engine class main |