Add blkio cgroup to libprocessgroup
To differentiate IO priority for different groups.
Bug: 111422845
Bug: 117857342
Test: tasks are assigned to the group as expected
Change-Id: Ibb108d1b8e0f720f7ac4cab248b3c33d35e5483d
diff --git a/libprocessgroup/profiles/cgroups.json b/libprocessgroup/profiles/cgroups.json
index aa71956..5871a63 100644
--- a/libprocessgroup/profiles/cgroups.json
+++ b/libprocessgroup/profiles/cgroups.json
@@ -1,6 +1,13 @@
{
"Cgroups": [
{
+ "Controller": "blkio",
+ "Path": "/dev/blkio",
+ "Mode": "0755",
+ "UID": "system",
+ "GID": "system"
+ },
+ {
"Controller": "cpu",
"Path": "/dev/cpuctl",
"Mode": "0755",
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 5a090c5..985720f 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -334,6 +334,59 @@
},
{
+ "Name": "LowIoPriority",
+ "Actions" : [
+ {
+ "Name" : "JoinCgroup",
+ "Params" :
+ {
+ "Controller": "blkio",
+ "Path": "background"
+ }
+ }
+ ]
+ },
+ {
+ "Name": "NormalIoPriority",
+ "Actions" : [
+ {
+ "Name" : "JoinCgroup",
+ "Params" :
+ {
+ "Controller": "blkio",
+ "Path": ""
+ }
+ }
+ ]
+ },
+ {
+ "Name": "HighIoPriority",
+ "Actions" : [
+ {
+ "Name" : "JoinCgroup",
+ "Params" :
+ {
+ "Controller": "blkio",
+ "Path": ""
+ }
+ }
+ ]
+ },
+ {
+ "Name": "MaxIoPriority",
+ "Actions" : [
+ {
+ "Name" : "JoinCgroup",
+ "Params" :
+ {
+ "Controller": "blkio",
+ "Path": ""
+ }
+ }
+ ]
+ },
+
+ {
"Name": "TimerSlackHigh",
"Actions" : [
{
diff --git a/libprocessgroup/sched_policy.cpp b/libprocessgroup/sched_policy.cpp
index 337b032..026c011 100644
--- a/libprocessgroup/sched_policy.cpp
+++ b/libprocessgroup/sched_policy.cpp
@@ -46,20 +46,20 @@
switch (policy) {
case SP_BACKGROUND:
- return SetTaskProfiles(tid,
- {"HighEnergySaving", "ProcessCapacityLow", "TimerSlackHigh"})
+ return SetTaskProfiles(tid, {"HighEnergySaving", "ProcessCapacityLow", "LowIoPriority",
+ "TimerSlackHigh"})
? 0
: -1;
case SP_FOREGROUND:
case SP_AUDIO_APP:
case SP_AUDIO_SYS:
- return SetTaskProfiles(tid,
- {"HighPerformance", "ProcessCapacityHigh", "TimerSlackNormal"})
+ return SetTaskProfiles(tid, {"HighPerformance", "ProcessCapacityHigh", "HighIoPriority",
+ "TimerSlackNormal"})
? 0
: -1;
case SP_TOP_APP:
- return SetTaskProfiles(tid,
- {"MaxPerformance", "ProcessCapacityMax", "TimerSlackNormal"})
+ return SetTaskProfiles(tid, {"MaxPerformance", "ProcessCapacityMax", "MaxIoPriority",
+ "TimerSlackNormal"})
? 0
: -1;
case SP_SYSTEM:
@@ -126,15 +126,24 @@
switch (policy) {
case SP_BACKGROUND:
- return SetTaskProfiles(tid, {"HighEnergySaving", "TimerSlackHigh"}) ? 0 : -1;
+ return SetTaskProfiles(tid, {"HighEnergySaving", "LowIoPriority", "TimerSlackHigh"})
+ ? 0
+ : -1;
case SP_FOREGROUND:
case SP_AUDIO_APP:
case SP_AUDIO_SYS:
- return SetTaskProfiles(tid, {"HighPerformance", "TimerSlackNormal"}) ? 0 : -1;
+ return SetTaskProfiles(tid, {"HighPerformance", "HighIoPriority", "TimerSlackNormal"})
+ ? 0
+ : -1;
case SP_TOP_APP:
- return SetTaskProfiles(tid, {"MaxPerformance", "TimerSlackNormal"}) ? 0 : -1;
+ return SetTaskProfiles(tid, {"MaxPerformance", "MaxIoPriority", "TimerSlackNormal"})
+ ? 0
+ : -1;
case SP_RT_APP:
- return SetTaskProfiles(tid, {"RealtimePerformance", "TimerSlackNormal"}) ? 0 : -1;
+ return SetTaskProfiles(tid,
+ {"RealtimePerformance", "MaxIoPriority", "TimerSlackNormal"})
+ ? 0
+ : -1;
default:
return SetTaskProfiles(tid, {"TimerSlackNormal"}) ? 0 : -1;
}
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1c84d15..ce4b380 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -84,6 +84,15 @@
chmod 0664 /dev/stune/top-app/tasks
chmod 0664 /dev/stune/rt/tasks
+ # Create blkio tuning nodes
+ mkdir /dev/blkio/background
+ chown system system /dev/blkio
+ chown system system /dev/blkio/background
+ chown system system /dev/blkio/tasks
+ chown system system /dev/blkio/background/tasks
+ chmod 0664 /dev/blkio/tasks
+ chmod 0664 /dev/blkio/background/tasks
+
restorecon_recursive /mnt
mount configfs none /config nodev noexec nosuid
