Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 955694b6 authored by Tim Murray's avatar Tim Murray
Browse files

Add support for top-app stune group. 

bug 29512132

Change-Id: I41ec2dd80a469309f48dbb59fc27fbe43fcd67b3
parent aa45cb85

libcutils/sched_policy.c

+7 −4
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ static int ta_cpuset_fd = -1; // special cpuset for top app 
// File descriptors open to /dev/stune/../tasks, setup by initialize, or -1 on error

static int bg_schedboost_fd = -1;

static int fg_schedboost_fd = -1;

static int ta_schedboost_fd = -1;



/* Add tid to the scheduling group defined by the policy */

static int add_tid_to_cgroup(int tid, int fd)
@@ -140,6 +141,8 @@ static void __initialize(void) { 
        ta_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);



#ifdef USE_SCHEDBOOST

        filename = "/dev/stune/top-app/tasks";

        ta_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);

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

        fg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);

        filename = "/dev/stune/tasks";
@@ -296,11 +299,11 @@ int set_cpuset_policy(int tid, SchedPolicy policy) 
    case SP_AUDIO_APP:

    case SP_AUDIO_SYS:

        fd = fg_cpuset_fd;

        boost_fd = bg_schedboost_fd;

        boost_fd = fg_schedboost_fd;

        break;

    case SP_TOP_APP :

        fd = ta_cpuset_fd;

        boost_fd = fg_schedboost_fd;

        boost_fd = ta_schedboost_fd;

        break;

    case SP_SYSTEM:

        fd = system_bg_cpuset_fd;
@@ -388,11 +391,11 @@ int set_sched_policy(int tid, SchedPolicy policy) 
        case SP_AUDIO_APP:

        case SP_AUDIO_SYS:

            fd = fg_cgroup_fd;

            boost_fd = bg_schedboost_fd;

            boost_fd = fg_schedboost_fd;

            break;

        case SP_TOP_APP:

            fd = fg_cgroup_fd;

            boost_fd = fg_schedboost_fd;

            boost_fd = ta_schedboost_fd;

            break;

        default:

            fd = -1;

rootdir/init.rc

+4 −0
Original line number Diff line number Diff line
@@ -50,12 +50,16 @@ on init 
    mkdir /dev/stune

    mount cgroup none /dev/stune schedtune

    mkdir /dev/stune/foreground

    mkdir /dev/stune/top-app

    chown system system /dev/stune

    chown system system /dev/stune/foreground

    chown system system /dev/stune/top-app

    chown system system /dev/stune/tasks

    chown system system /dev/stune/foreground/tasks

    chown system system /dev/stune/top-app/tasks

    chmod 0664 /dev/stune/tasks

    chmod 0664 /dev/stune/foreground/tasks

    chmod 0664 /dev/stune/top-app/tasks



    # Mount staging areas for devices managed by vold

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