Change thread priority for disk measurement to bg

Change the thread priority for all disk measurement and statfs calls to
background priority.

Also move the measurement fully into the measurement task since it makes
more sense.

Bug: 6332097
Change-Id: Iafc2151313ad9b14117daf67e933dccd32f68d54

1 files changed, 4 insertions, 0 deletions

diff --git a/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java b/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
index 3b87b96..f09c010 100644
--- a/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
+++ b/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
@@ -223,6 +223,8 @@ public class DefaultContainerService extends IntentService {
 
         @Override
         public long calculateDirectorySize(String path) throws RemoteException {
+            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
+
             final File directory = new File(path);
             if (directory.exists() && directory.isDirectory()) {
                 return MeasurementUtils.measureDirectory(path);
@@ -233,6 +235,8 @@ public class DefaultContainerService extends IntentService {
 
         @Override
         public long[] getFileSystemStats(String path) {
+            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
+
             try {
                 final StructStatFs stat = Libcore.os.statfs(path);
                 final long totalSize = stat.f_blocks * stat.f_bsize;