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Commit 7703d074 authored by Wei Wang's avatar Wei Wang
Browse files

init.rc: remove system cgroup migraion 



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: default avatarWei Wang <wvw@google.com>
Merged-In: I492833975e28e9888e412711e80670ca0901010d
Change-Id: I492833975e28e9888e412711e80670ca0901010d
(cherry picked from commit b4e79853)
parent bd5d08c1

rootdir/init.rc

+0 −31
Original line number Diff line number Diff line
@@ -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
@@ -1281,7 +1254,3 @@ 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