commit 2b3bf84373665e10d96c6b1680e5e53039505325
author Rick Yiu <rickyiu@google.com> Thu Feb 21 14:37:36 2019 +0800
committer Rick Yiu <rickyiu@google.com> Wed Feb 27 11:23:14 2019 +0800
tree bcaccd28b5a5e7f32c08e81656a00b78abeeee35
parent df3f38f6c9546cf3553a38d8d5dc7497c8c540f0

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

libprocessgroup/sched_policy.cpp

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;
     }