Fix tile benchmark tool stalls

bug:5062896
Change-Id: I2969e95481d65d5f87ce4399f09becc7b66d540a

4 files changed, 47 insertions, 22 deletions

diff --git a/tests/TileBenchmark/res/values/strings.xml b/tests/TileBenchmark/res/values/strings.xml
index c4fd189..5af52dc 100644
--- a/tests/TileBenchmark/res/values/strings.xml
+++ b/tests/TileBenchmark/res/values/strings.xml
@@ -73,6 +73,8 @@
     <string name="viewport_coverage">Coverage</string>
     <!-- Milliseconds taken to inval, and re-render the page [CHAR LIMIT=15] -->
     <string name="render_millis">RenderMillis</string>
+    <!-- Number of rendering stalls while running the test [CHAR LIMIT=15] -->
+    <string name="render_stalls">Stalls</string>
     <!-- Format string for stat value overlay [CHAR LIMIT=15] -->
     <string name="format_stat">%4.4f</string>
 
diff --git a/tests/TileBenchmark/src/com/test/tilebenchmark/ProfileActivity.java b/tests/TileBenchmark/src/com/test/tilebenchmark/ProfileActivity.java
index 82a7e82..e7a21ad 100644
--- a/tests/TileBenchmark/src/com/test/tilebenchmark/ProfileActivity.java
+++ b/tests/TileBenchmark/src/com/test/tilebenchmark/ProfileActivity.java
@@ -22,7 +22,6 @@ import android.content.Context;
 import android.graphics.Bitmap;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.os.CountDownTimer;
 import android.util.Pair;
 import android.view.KeyEvent;
 import android.view.View;
@@ -55,8 +54,6 @@ public class ProfileActivity extends Activity {
     }
 
     public static final String TEMP_FILENAME = "profile.tiles";
-    private static final int LOAD_TEST_DELAY = 1000; // nr of millis after load,
-                                                     // before test
 
     Button mInspectButton;
     ToggleButton mCaptureButton;
@@ -136,16 +133,7 @@ public class ProfileActivity extends Activity {
             super.onPageFinished(view, url);
             view.requestFocus();
 
-            new CountDownTimer(LOAD_TEST_DELAY, LOAD_TEST_DELAY) {
-                @Override
-                public void onTick(long millisUntilFinished) {
-                }
-
-                @Override
-                public void onFinish() {
-                    startViewProfiling(true);
-                }
-            }.start();
+            startViewProfiling(true);
         }
 
         @Override
diff --git a/tests/TileBenchmark/src/com/test/tilebenchmark/ProfiledWebView.java b/tests/TileBenchmark/src/com/test/tilebenchmark/ProfiledWebView.java
index 3fc4665..b1cef15 100644
--- a/tests/TileBenchmark/src/com/test/tilebenchmark/ProfiledWebView.java
+++ b/tests/TileBenchmark/src/com/test/tilebenchmark/ProfiledWebView.java
@@ -17,6 +17,7 @@
 package com.test.tilebenchmark;
 
 import android.content.Context;
+import android.os.CountDownTimer;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.webkit.WebView;
@@ -27,10 +28,14 @@ import com.test.tilebenchmark.RunData.TileData;
 public class ProfiledWebView extends WebView {
     private int mSpeed;
 
-    private boolean isTesting = false;
-    private boolean isScrolling = false;
+    private boolean mIsTesting = false;
+    private boolean mIsScrolling = false;
     private ProfileCallback mCallback;
     private long mContentInvalMillis;
+    private boolean mHadToBeForced = false;
+    private int mTestCount = 0;
+    private static final int LOAD_STALL_MILLIS = 5000; // nr of millis after load,
+                                                       // before test is forced
 
     public ProfiledWebView(Context context) {
         super(context);
@@ -51,12 +56,12 @@ public class ProfiledWebView extends WebView {
 
     @Override
     protected void onDraw(android.graphics.Canvas canvas) {
-        if (isTesting && isScrolling) {
+        if (mIsTesting && mIsScrolling) {
             if (canScrollVertically(1)) {
                 scrollBy(0, mSpeed);
             } else {
                 stopScrollTest();
-                isScrolling = false;
+                mIsScrolling = false;
             }
         }
         super.onDraw(canvas);
@@ -68,13 +73,36 @@ public class ProfiledWebView extends WebView {
      * scrolling, invalidate all content and redraw it, measuring time taken.
      */
     public void startScrollTest(ProfileCallback callback, boolean autoScrolling) {
-        isScrolling = autoScrolling;
+        mIsScrolling = autoScrolling;
         mCallback = callback;
-        isTesting = false;
+        mIsTesting = false;
         mContentInvalMillis = System.currentTimeMillis();
         registerPageSwapCallback();
         contentInvalidateAll();
         invalidate();
+
+        mTestCount++;
+        final int testCount = mTestCount;
+
+        if (autoScrolling) {
+            // after a while, force it to start even if the pages haven't swapped
+            new CountDownTimer(LOAD_STALL_MILLIS, LOAD_STALL_MILLIS) {
+                @Override
+                public void onTick(long millisUntilFinished) {
+                }
+
+                @Override
+                public void onFinish() {
+                    if (testCount == mTestCount && !mIsTesting) {
+                        mHadToBeForced = true;
+                        Log.d("ProfiledWebView", "num " + testCount
+                                + " forcing a page swap with a scroll...");
+                        scrollBy(0, 1);
+                        invalidate(); // ensure a redraw so that auto-scrolling can occur
+                    }
+                }
+            }.start();
+        }
     }
 
     /*
@@ -87,7 +115,7 @@ public class ProfiledWebView extends WebView {
         super.pageSwapCallback();
         Log.d("ProfiledWebView", "REDRAW TOOK " + mContentInvalMillis
                 + "millis");
-        isTesting = true;
+        mIsTesting = true;
         invalidate(); // ensure a redraw so that auto-scrolling can occur
         tileProfilingStart();
     }
@@ -97,7 +125,7 @@ public class ProfiledWebView extends WebView {
      */
     public void stopScrollTest() {
         tileProfilingStop();
-        isTesting = false;
+        mIsTesting = false;
 
         if (mCallback == null) {
             tileProfilingClear();
@@ -105,8 +133,15 @@ public class ProfiledWebView extends WebView {
         }
 
         RunData data = new RunData(super.tileProfilingNumFrames());
+        // record the time spent (before scrolling) rendering the page
         data.singleStats.put(getResources().getString(R.string.render_millis),
                 (double)mContentInvalMillis);
+        // record if the page render timed out
+        Log.d("ProfiledWebView", "hadtobeforced = " + mHadToBeForced);
+        data.singleStats.put(getResources().getString(R.string.render_stalls),
+                             mHadToBeForced ? 1.0 : 0.0);
+        mHadToBeForced = false;
+
         for (int frame = 0; frame < data.frames.length; frame++) {
             data.frames[frame] = new TileData[
                     tileProfilingNumTilesInFrame(frame)];
diff --git a/tests/TileBenchmark/tests/src/com/test/tilebenchmark/PerformanceTest.java b/tests/TileBenchmark/tests/src/com/test/tilebenchmark/PerformanceTest.java
index 0f02239..6bf6f6b 100644
--- a/tests/TileBenchmark/tests/src/com/test/tilebenchmark/PerformanceTest.java
+++ b/tests/TileBenchmark/tests/src/com/test/tilebenchmark/PerformanceTest.java
@@ -80,7 +80,7 @@ public class PerformanceTest extends
     private static final String URL_POSTFIX = "/index.html?skip=true";
     private static final int MAX_ITERATIONS = 4;
     private static final String TEST_DIRS[] = {
-            "alexa_us"//, "android", "dom", "intl1", "intl2", "moz", "moz2"
+        "intl1"//, "alexa_us", "android", "dom", "intl2", "moz", "moz2"
     };
 
     public PerformanceTest() {