Merge s-mpr-2021-12-05

Change-Id: Id04e29c2e6639a50d8ad7accc675e03d38f50b6c

1 files changed, 4 insertions, 2 deletions

diff --git a/libutils/Threads.cpp b/libutils/Threads.cpp
index 540dcf49d..6e293c741 100644
--- a/libutils/Threads.cpp
+++ b/libutils/Threads.cpp
@@ -86,8 +86,10 @@ struct thread_data_t {
 
         // A new thread will be in its parent's sched group by default,
         // so we just need to handle the background case.
+        // currently set to system_background group which is different
+        // from background group for app.
         if (prio >= ANDROID_PRIORITY_BACKGROUND) {
-            SetTaskProfiles(0, {"SCHED_SP_BACKGROUND"}, true);
+            SetTaskProfiles(0, {"SCHED_SP_SYSTEM"}, true);
         }
 
         if (name) {
@@ -313,7 +315,7 @@ int androidSetThreadPriority(pid_t tid, int pri)
     }
 
     if (pri >= ANDROID_PRIORITY_BACKGROUND) {
-        rc = SetTaskProfiles(tid, {"SCHED_SP_BACKGROUND"}, true) ? 0 : -1;
+        rc = SetTaskProfiles(tid, {"SCHED_SP_SYSTEM"}, true) ? 0 : -1;
     } else if (curr_pri >= ANDROID_PRIORITY_BACKGROUND) {
         SchedPolicy policy = SP_FOREGROUND;
         // Change to the sched policy group of the process.