Merge "BouncyBall: Specify "relevant frames" for automation" into main (02afcb5c) · Commits · e / os / android_frameworks_base

tests/BouncyBall/app/src/main/java/com/android/test/bouncyball/BouncyBallActivity.java

+37 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,24 @@ public class BouncyBallActivity extends AppCompatActivity {
		// down.
		private static final float INITIAL_TIME_TO_IGNORE_IN_SECONDS = 0.1f;

		// The app itself can run "forever". But for automated testing, we want
		// a consistent testing time. We don't want to take too long, but we want
		// to wait sufficiently for CPUs/GPU to clock down to save power under our
		// basic load.
		private static final int AUTOMATED_TEST_DURATION_IN_SECONDS = 120;

		// We use a trace counter to let trace analysis know if a frame is relevant.
		private static final String TRACE_COUNTER_RELEVANT_FRAME = "relevant_frame";

		// This is before INITIAL_TIME_TO_IGNORE_IN_SECONDS have passed.
		private static final int TRACE_STATE_TOO_EARLY = 1;

		// These are the relevant frames for automated testing.
		private static final int TRACE_STATE_IN_TEST_TIME = 2;

		// This is after the time span for automated testing.
		private static final int TRACE_STATE_POST_TEST_TIME = 3;

		private int mDisplayId = -1;
		private boolean mHasFocus = false;
		private boolean mWarmedUp = false;
		@@ -66,7 +84,9 @@ public class BouncyBallActivity extends AppCompatActivity {
		private long mFrameMaxDurationNanos;
		private int mFrameCount = 0;
		private int mFirstAutomatedTestFrame = -1;
		private int mEndingAutomatedTestFrame = -1;
		private int mNumFramesDropped = 0;
		private int mTraceState = TRACE_STATE_TOO_EARLY;
		private Choreographer mChoreographer;

		private final DisplayManager.DisplayListener mDisplayListener =
		@@ -97,11 +117,17 @@ public class BouncyBallActivity extends AppCompatActivity {
		public void doFrame(long frameTimeNanos) {
		if (mFrameCount == mFirstAutomatedTestFrame) {
		mWarmedUp = true;
		mTraceState = TRACE_STATE_IN_TEST_TIME;
		// We chose not to log this state change to minimize
		// system load during testing time.
		if (!mHasFocus) {
		String msg = "App does not have focus after "
		+ mFrameCount + " frames";
		reportAssumptionFailure(msg);
		}
		} else if (mFrameCount == mEndingAutomatedTestFrame) {
		mTraceState = TRACE_STATE_POST_TEST_TIME;
		Log.i(LOG_TAG, "Done with frames for automated testing.");
		}
		if (mWarmedUp) {
		long elapsedNanos = frameTimeNanos - mLastFrameTimeNanos;
		@@ -115,6 +141,7 @@ public class BouncyBallActivity extends AppCompatActivity {
		+ nanosToMillis(elapsedNanos) + "ms");
		}
		}
		Trace.setCounter(TRACE_COUNTER_RELEVANT_FRAME, mTraceState);
		mLastFrameTimeNanos = frameTimeNanos;
		mFrameCount++;
		if (FORCE_DROPPED_FRAMES) {
		@@ -139,6 +166,7 @@ public class BouncyBallActivity extends AppCompatActivity {
		protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		Trace.setCounter(TRACE_COUNTER_RELEVANT_FRAME, mTraceState);
		Trace.beginSection("BouncyBallActivity onCreate");
		setContentView(R.layout.activity_bouncy_ball);

		@@ -228,10 +256,19 @@ public class BouncyBallActivity extends AppCompatActivity {
		// the common case.
		mFrameMaxDurationNanos = ((long) frameMaxDurationMillis) * 1_000_000;

		if (mTraceState != TRACE_STATE_TOO_EARLY) {
		String msg = "Got new frame rate (" + frameRate + ") after "
		+ mFrameCount + " frames, later than max of " + mFirstAutomatedTestFrame;
		reportAssumptionFailure(msg);
		}
		Log.i(LOG_TAG, "Running at frame rate " + mFrameRate + "Hz");

		mFirstAutomatedTestFrame =
		Math.round(INITIAL_TIME_TO_IGNORE_IN_SECONDS * mFrameRate);

		// We'll stop our automated test tracking on this frame.
		mEndingAutomatedTestFrame =
		mFirstAutomatedTestFrame + (AUTOMATED_TEST_DURATION_IN_SECONDS * (int) mFrameRate);
		}

		private float nanosToMillis(long nanos) {