Merge "freezer: thaw on dumpsys data collection" into rvc-dev am: e12741e825 (8872263c) · Commits · e / os / android_frameworks_base

core/java/android/os/Process.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -930,6 +930,19 @@ public class Process {
		*/
		public static final native void setProcessFrozen(int pid, int uid, boolean frozen);

		/**
		* Enable or disable the freezer. When enable == false all frozen processes are unfrozen,
		* but aren't removed from the freezer. Processes can still be added or removed
		* by using setProcessFrozen, but they won't actually be frozen until the freezer is enabled
		* again. If enable == true the freezer is enabled again, and all processes
		* in the freezer (including the ones added while the freezer was disabled) are frozen.
		*
		* @param enable Specify whether to enable (true) or disable (false) the freezer.
		*
		* @hide
		*/
		public static final native void enableFreezer(boolean enable);

		/**
		* Return the scheduling group of requested process.
		*

core/jni/android_util_Process.cpp

+17 −0

Original line number	Diff line number	Diff line
		@@ -346,6 +346,22 @@ void android_os_Process_setProcessFrozen(
		}
		}

		void android_os_Process_enableFreezer(
		JNIEnv *env, jobject clazz, jboolean enable)
		{
		bool success = true;

		if (enable) {
		success = SetTaskProfiles(0, {"FreezerFrozen"}, true);
		} else {
		success = SetTaskProfiles(0, {"FreezerThawed"}, true);
		}

		if (!success) {
		jniThrowException(env, "java/lang/RuntimeException", "Unknown error");
		}
		}

		jint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid)
		{
		SchedPolicy sp;
		@@ -1344,6 +1360,7 @@ static const JNINativeMethod methods[] = {
		{"sendSignal", "(II)V", (void*)android_os_Process_sendSignal},
		{"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet},
		{"setProcessFrozen", "(IIZ)V", (void*)android_os_Process_setProcessFrozen},
		{"enableFreezer", "(Z)V", (void*)android_os_Process_enableFreezer},
		{"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory},
		{"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory},
		{"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V",

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

+24 −0

Original line number	Diff line number	Diff line
		@@ -2179,9 +2179,17 @@ public class ActivityManagerService extends IActivityManager.Stub

		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(false);
		}

		if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
		"meminfo", pw)) return;
		PriorityDump.dump(mPriorityDumper, fd, pw, args);

		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(true);
		}
		}
		}

		@@ -2193,9 +2201,17 @@ public class ActivityManagerService extends IActivityManager.Stub

		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(false);
		}

		if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
		"gfxinfo", pw)) return;
		mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args);

		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(true);
		}
		}
		}

		@@ -2207,9 +2223,17 @@ public class ActivityManagerService extends IActivityManager.Stub

		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(false);
		}

		if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
		"dbinfo", pw)) return;
		mActivityManagerService.dumpDbInfo(fd, pw, args);

		if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
		Process.enableFreezer(true);
		}
		}
		}