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Commit 11cde567 authored by Todd Kjos's avatar Todd Kjos
Browse files

Mount schedTune cgroup as /dev/stune 

Make stune consistent with the other cgroups mounted under /dev

Change-Id: I0fe7120ad2afbe8e6a3c9f72cc3f465de618d344
parent 14ae3f2b

libcutils/sched_policy.c

+2 −2
Original line number Diff line number Diff line
@@ -138,9 +138,9 @@ static void __initialize(void) { 
        ta_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);



#ifdef USE_SCHEDBOOST

        filename = "/sys/fs/cgroup/stune/foreground/tasks";

        filename = "/dev/stune/foreground/tasks";

        fg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);

        filename = "/sys/fs/cgroup/stune/tasks";

        filename = "/dev/stune/tasks";

        bg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);

#endif

    }

rootdir/init.rc

+9 −9
Original line number Diff line number Diff line
@@ -44,15 +44,15 @@ on init 
    mkdir /acct/uid



    # Create energy-aware scheduler tuning nodes

    mkdir /sys/fs/cgroup/stune

    mount cgroup none /sys/fs/cgroup/stune schedtune

    mkdir /sys/fs/cgroup/stune/foreground

    chown system system /sys/fs/cgroup/stune

    chown system system /sys/fs/cgroup/stune/foreground

    chown system system /sys/fs/cgroup/stune/tasks

    chown system system /sys/fs/cgroup/stune/foreground/tasks

    chmod 0664 /sys/fs/cgroup/stune/tasks

    chmod 0664 /sys/fs/cgroup/stune/foreground/tasks

    mkdir /dev/stune

    mount cgroup none /dev/stune schedtune

    mkdir /dev/stune/foreground

    chown system system /dev/stune

    chown system system /dev/stune/foreground

    chown system system /dev/stune/tasks

    chown system system /dev/stune/foreground/tasks

    chmod 0664 /dev/stune/tasks

    chmod 0664 /dev/stune/foreground/tasks



    # Mount staging areas for devices managed by vold

    # See storage config details at http://source.android.com/tech/storage/

rootdir/init.zygote32.rc

+1 −1
Original line number Diff line number Diff line
@@ -7,4 +7,4 @@ service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-sys 
    onrestart restart cameraserver

    onrestart restart media

    onrestart restart netd

    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
 
    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks

rootdir/init.zygote32_64.rc

+1 −1
Original line number Diff line number Diff line
@@ -13,4 +13,4 @@ service zygote_secondary /system/bin/app_process64 -Xzygote /system/bin --zygote 
    class main

    socket zygote_secondary stream 660 root system

    onrestart restart zygote

    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
 
    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks

rootdir/init.zygote64.rc

+1 −1
Original line number Diff line number Diff line
@@ -7,4 +7,4 @@ service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-s 
    onrestart restart cameraserver

    onrestart restart media

    onrestart restart netd

    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
 
    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks