Merge "Reland "OOM score management"" (8726b3b8) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManager.java

+20 −0

Original line number	Diff line number	Diff line
		@@ -3080,16 +3080,32 @@ public class ActivityManager {
		*/
		public int processState;

		/**
		* Whether the app is focused in multi-window environment.
		* @hide
		*/
		public boolean isFocused;

		/**
		* Copy of {@link com.android.server.am.ProcessRecord#lastActivityTime} of the process.
		* @hide
		*/
		public long lastActivityTime;

		public RunningAppProcessInfo() {
		importance = IMPORTANCE_FOREGROUND;
		importanceReasonCode = REASON_UNKNOWN;
		processState = PROCESS_STATE_IMPORTANT_FOREGROUND;
		isFocused = false;
		lastActivityTime = 0;
		}

		public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) {
		processName = pProcessName;
		pid = pPid;
		pkgList = pArr;
		isFocused = false;
		lastActivityTime = 0;
		}

		public int describeContents() {
		@@ -3110,6 +3126,8 @@ public class ActivityManager {
		ComponentName.writeToParcel(importanceReasonComponent, dest);
		dest.writeInt(importanceReasonImportance);
		dest.writeInt(processState);
		dest.writeInt(isFocused ? 1 : 0);
		dest.writeLong(lastActivityTime);
		}

		public void readFromParcel(Parcel source) {
		@@ -3126,6 +3144,8 @@ public class ActivityManager {
		importanceReasonComponent = ComponentName.readFromParcel(source);
		importanceReasonImportance = source.readInt();
		processState = source.readInt();
		isFocused = source.readInt() != 0;
		lastActivityTime = source.readLong();
		}

		public static final Creator<RunningAppProcessInfo> CREATOR =

services/core/java/com/android/server/am/ActivityManagerService.java

+16 −12

Original line number	Diff line number	Diff line
		@@ -12122,7 +12122,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		return imp;
		}

		private void fillInProcMemInfo(ProcessRecord app,
		private void fillInProcMemInfoLocked(ProcessRecord app,
		ActivityManager.RunningAppProcessInfo outInfo,
		int clientTargetSdk) {
		outInfo.pid = app.pid;
		@@ -12142,6 +12142,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		outInfo.importance = procStateToImportance(procState, adj, outInfo, clientTargetSdk);
		outInfo.importanceReasonCode = app.adjTypeCode;
		outInfo.processState = app.curProcState;
		outInfo.isFocused = (app == getTopAppLocked());
		outInfo.lastActivityTime = app.lastActivityTime;
		}

		@Override
		@@ -12172,7 +12174,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		ActivityManager.RunningAppProcessInfo currApp =
		new ActivityManager.RunningAppProcessInfo(app.processName,
		app.pid, app.getPackageList());
		fillInProcMemInfo(app, currApp, clientTargetSdk);
		fillInProcMemInfoLocked(app, currApp, clientTargetSdk);
		if (app.adjSource instanceof ProcessRecord) {
		currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid;
		currApp.importanceReasonImportance =
		@@ -12241,7 +12243,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		proc = mPidsSelfLocked.get(Binder.getCallingPid());
		}
		if (proc != null) {
		fillInProcMemInfo(proc, outState, clientTargetSdk);
		fillInProcMemInfoLocked(proc, outState, clientTargetSdk);
		}
		}
		}
		@@ -20696,23 +20698,25 @@ public class ActivityManagerService extends IActivityManager.Stub
		return success;
		}

		@GuardedBy("this")
		ProcessRecord getTopAppLocked() {
		final ActivityRecord TOP_ACT = resumedAppLocked();
		if (TOP_ACT != null && TOP_ACT.hasProcess()) {
		return (ProcessRecord) TOP_ACT.app.mOwner;
		} else {
		return null;
		}
		}

		@GuardedBy("this")
		final void updateOomAdjLocked() {
		mOomAdjProfiler.oomAdjStarted();
		final ActivityRecord TOP_ACT = resumedAppLocked();
		final ProcessRecord TOP_APP = TOP_ACT != null && TOP_ACT.hasProcess()
		? (ProcessRecord) TOP_ACT.app.mOwner : null;
		final ProcessRecord TOP_APP = getTopAppLocked();
		final long now = SystemClock.uptimeMillis();
		final long nowElapsed = SystemClock.elapsedRealtime();
		final long oldTime = now - ProcessList.MAX_EMPTY_TIME;
		final int N = mLruProcesses.size();

		if (false) {
		RuntimeException e = new RuntimeException();
		e.fillInStackTrace();
		Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e);
		}

		// Reset state in all uid records.
		for (int i=mActiveUids.size()-1; i>=0; i--) {
		final UidRecord uidRec = mActiveUids.valueAt(i);