Merge "Log the thermal throttling event to enable conditional temperature pulling." (c8d33b39) · Commits · e / os / android_frameworks_base

cmds/statsd/src/atoms.proto

+21 −0

Original line number	Diff line number	Diff line
		@@ -132,6 +132,7 @@ message Atom {
		KeyValuePairsAtom key_value_pairs_atom = 83;
		VibratorStateChanged vibrator_state_changed = 84;
		DeferredJobStatsReported deferred_job_stats_reported = 85;
		ThermalThrottlingStateChanged thermal_throttling = 86;
		}

		// Pulled events will start at field 10000.
		@@ -228,6 +229,26 @@ message KeyValuePairsAtom {
		* *****************************************************************************
		*/

		/**
		* Logs when the Thermal service HAL notifies the throttling start/stop events.
		*
		* Logged from:
		* frameworks/base/services/core/java/com/android/server/stats/StatsCompanionService.java
		*/
		message ThermalThrottlingStateChanged {
		optional android.os.TemperatureTypeEnum sensor_type = 1;

		enum State {
		UNKNOWN = 0;
		START = 1;
		STOP = 2;
		}

		optional State state = 2;

		optional float temperature = 3;
		}

		/**
		* Logs when the screen state changes.
		*

services/core/java/com/android/server/stats/StatsCompanionService.java

+30 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,8 @@ import android.os.IBinder;
		import android.os.IStatsCompanionService;
		import android.os.IStatsManager;
		import android.os.IStoraged;
		import android.os.IThermalEventListener;
		import android.os.IThermalService;
		import android.os.Parcelable;
		import android.os.Process;
		import android.os.RemoteException;
		@@ -53,6 +55,7 @@ import android.os.StatsDimensionsValue;
		import android.os.StatsLogEventWrapper;
		import android.os.SynchronousResultReceiver;
		import android.os.SystemClock;
		import android.os.Temperature;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.os.storage.StorageManager;
		@@ -169,6 +172,8 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
		private KernelUidCpuClusterTimeReader mKernelUidCpuClusterTimeReader =
		new KernelUidCpuClusterTimeReader();

		private static IThermalService sThermalService;

		public StatsCompanionService(Context context) {
		super();
		mContext = context;
		@@ -213,6 +218,24 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
		long[] freqs = mKernelUidCpuFreqTimeReader.readFreqs(powerProfile);
		mKernelUidCpuClusterTimeReader.setThrottleInterval(0);
		mKernelUidCpuActiveTimeReader.setThrottleInterval(0);

		// Enable push notifications of throttling from vendor thermal
		// management subsystem via thermalservice.
		IBinder b = ServiceManager.getService("thermalservice");

		if (b != null) {
		sThermalService = IThermalService.Stub.asInterface(b);
		try {
		sThermalService.registerThermalEventListener(
		new ThermalEventListener());
		Slog.i(TAG, "register thermal listener successfully");
		} catch (RemoteException e) {
		// Should never happen.
		Slog.e(TAG, "register thermal listener error");
		}
		} else {
		Slog.e(TAG, "cannot find thermalservice, no throttling push notifications");
		}
		}

		@Override
		@@ -1456,4 +1479,11 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
		}
		}

		// Thermal event received from vendor thermal management subsystem
		private static final class ThermalEventListener extends IThermalEventListener.Stub {
		@Override public void notifyThrottling(boolean isThrottling, Temperature temp) {
		StatsLog.write(StatsLog.THERMAL_THROTTLING, temp.getType(),
		isThrottling ? 1 : 0, temp.getValue());
		}
		}
		}