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init.rc: remove system cgroup migraion

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We never use CONFIG_RT_GROUP_SCHED in GKI kernel, but that could be set
on legacy devices. Remove system cgroup migration and also RT settings
as we should not have any task under those groups.

Bug: 191925901
Test: Build
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I492833975e28e9888e412711e80670ca0901010d
This commit is contained in:
Wei Wang 2021-06-24 14:10:15 -07:00
parent 2efdeec6eb
commit b4e79853cd
1 changed files with 0 additions and 31 deletions
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31
rootdir/init.rc
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@ -191,33 +191,6 @@ on init
chown system system /dev/cpuctl/camera-daemon/tasks
chmod 0664 /dev/cpuctl/camera-daemon/tasks
# Android only use global RT throttling and doesn't use CONFIG_RT_GROUP_SCHED
# for RT group throttling. These values here are just to make sure RT threads
# can be migrated to those groups. These settings can be removed once we migrate
# to GKI kernel.
write /dev/cpuctl/cpu.rt_period_us 1000000
write /dev/cpuctl/cpu.rt_runtime_us 950000
# Surfaceflinger is in FG group so giving it a bit more
write /dev/cpuctl/foreground/cpu.rt_runtime_us 450000
write /dev/cpuctl/foreground/cpu.rt_period_us 1000000
write /dev/cpuctl/background/cpu.rt_runtime_us 50000
write /dev/cpuctl/background/cpu.rt_period_us 1000000
write /dev/cpuctl/top-app/cpu.rt_runtime_us 100000
write /dev/cpuctl/top-app/cpu.rt_period_us 1000000
write /dev/cpuctl/rt/cpu.rt_runtime_us 100000
write /dev/cpuctl/rt/cpu.rt_period_us 1000000
write /dev/cpuctl/system/cpu.rt_runtime_us 100000
write /dev/cpuctl/system/cpu.rt_period_us 1000000
write /dev/cpuctl/system-background/cpu.rt_runtime_us 50000
write /dev/cpuctl/system-background/cpu.rt_period_us 1000000
write /dev/cpuctl/nnapi-hal/cpu.rt_runtime_us 50000
write /dev/cpuctl/nnapi-hal/cpu.rt_period_us 1000000
write /dev/cpuctl/camera-daemon/cpu.rt_runtime_us 50000
write /dev/cpuctl/camera-daemon/cpu.rt_period_us 1000000
# Migrate root group to system subgroup
copy_per_line /dev/cpuctl/tasks /dev/cpuctl/system/tasks
# Create an stune group for camera-specific processes
mkdir /dev/stune/camera-daemon
chown system system /dev/stune/camera-daemon
@ -1275,7 +1248,3 @@ on userspace-reboot-resume
on property:sys.boot_completed=1 && property:sys.init.userspace_reboot.in_progress=1
setprop sys.init.userspace_reboot.in_progress ""
# Migrate tasks again in case kernel threads are created during boot
on property:sys.boot_completed=1
copy_per_line /dev/cpuctl/tasks /dev/cpuctl/system/tasks