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miatoll: rootdir: Tune UFS clock scaling during bootup

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Disabling UFS clock scaling during boot time helps in reducing
IO delays, which helps in reducing the total boot time.
This change will disable UFS clock scaling during early-init and
enable it back after boot completion.

Change-Id: Ib3490a8155610aea399ac2f63aa4a71bee299c6e
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
This commit is contained in:
Gopal Iyer 2020-09-22 10:52:36 -07:00 committed by Aryan Gupta
parent a2f3d3c358
commit 18a3ebde61
1 changed files with 9 additions and 1 deletions
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10
rootdir/etc/init.device.rc
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@ -23,10 +23,15 @@ on init && property:ro.boot.hwname=joyeuse
setprop ro.boot.product.hardware.sku joyeuse setprop ro.boot.product.hardware.sku joyeuse
start vendor.nfc_hal_service start vendor.nfc_hal_service
# perf tuning
on property:persist.sys.device_provisioned=1 on property:persist.sys.device_provisioned=1
setprop dalvik.vm.dex2oat-cpu-set 0,1,2,3,4,5,7 setprop dalvik.vm.dex2oat-cpu-set 0,1,2,3,4,5,7
setprop dalvik.vm.dex2oat-threads 6 setprop dalvik.vm.dex2oat-threads 6
on early-init
# Disable UFS clock scaling
write /sys/bus/platform/devices/1d84000.ufshc/clkscale_enable 0
on late-init on late-init
# Start services for bootanim # Start services for bootanim
start surfaceflinger start surfaceflinger
@ -35,7 +40,10 @@ on late-init
start vendor.configstore-hal start vendor.configstore-hal
start vendor.qti.hardware.display.allocator start vendor.qti.hardware.display.allocator
# perf tuning on property:sys.boot_completed=1
# Enable UFS clock scaling back
write /sys/bus/platform/devices/1d84000.ufshc/clkscale_enable 1
on property:vendor.post_boot.parsed=1 on property:vendor.post_boot.parsed=1
# Setup runtime cpusets # Setup runtime cpusets
write /dev/cpuset/top-app/cpus 0-7 write /dev/cpuset/top-app/cpus 0-7