openkylin
/
platform_system_core
mirror of https://gitee.com/openkylin/platform_system_core.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add support for top-app stune group. 

bug 29512132

Change-Id: I41ec2dd80a469309f48dbb59fc27fbe43fcd67b3
This commit is contained in:
Tim Murray 2016-07-11 11:40:15 -07:00
parent aa45cb85e3
commit 955694b657
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
libcutils/sched_policy.c
View File

@ -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;

4
rootdir/init.rc
View File

@ -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/