Adds test to collect performance metrics (373259f2) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/tests/Android.mk

+2 −1

Original line number	Diff line number	Diff line
		@@ -30,7 +30,8 @@ LOCAL_JAVA_LIBRARIES := layoutlib \
		layoutlib_api-prebuilt \
		tools-common-prebuilt \
		sdk-common \
		junit-host
		junit-host \
		guavalib

		include $(BUILD_HOST_JAVA_LIBRARY)

tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/PerformanceTests.java

0 → 100644

+55 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.layoutlib.bridge.intensive;

		import com.android.ide.common.rendering.api.SessionParams;
		import com.android.layoutlib.bridge.intensive.setup.ConfigGenerator;
		import com.android.layoutlib.bridge.intensive.util.perf.PerformanceRunner;

		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		import android.annotation.NonNull;

		/**
		* Set of render tests
		*/
		@RunWith(PerformanceRunner.class)
		public class PerformanceTests extends RenderTestBase {

		@Before
		public void setUp() {
		ignoreAllLogging();
		}


		private void render(@NonNull String layoutFileName) throws ClassNotFoundException {
		SessionParams params = createSessionParams(layoutFileName, ConfigGenerator.NEXUS_5);
		render(params, 250);
		}

		@Test
		public void testActivity() throws ClassNotFoundException {
		render("activity.xml");
		}

		@Test
		public void testAllWidgets() throws ClassNotFoundException {
		render("allwidgets.xml");
		}
		}

tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/RenderTestBase.java

+25 −19

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import com.android.layoutlib.bridge.intensive.setup.LayoutLibTestCallback;
		import com.android.layoutlib.bridge.intensive.setup.LayoutPullParser;
		import com.android.layoutlib.bridge.intensive.util.ImageUtils;
		import com.android.layoutlib.bridge.intensive.util.ModuleClassLoader;
		import com.android.layoutlib.bridge.intensive.util.TestUtils;
		import com.android.tools.layoutlib.java.System_Delegate;
		import com.android.utils.ILogger;

		@@ -50,7 +51,6 @@ import android.annotation.Nullable;

		import java.io.File;
		import java.io.IOException;
		import java.lang.ref.WeakReference;
		import java.net.URL;
		import java.util.ArrayList;
		import java.util.Arrays;
		@@ -272,7 +272,7 @@ public class RenderTestBase {
		* Initialize the bridge and the resource maps.
		*/
		@BeforeClass
		public static void setUp() {
		public static void beforeClass() {
		File data_dir = new File(PLATFORM_DIR, "data");
		File res = new File(data_dir, "res");
		sFrameworkRepo = new FrameworkResources(new FolderWrapper(res));
		@@ -304,21 +304,6 @@ public class RenderTestBase {
		}
		}

		private static void gc() {
		// See RuntimeUtil#gc in jlibs (http://jlibs.in/)
		Object obj = new Object();
		WeakReference ref = new WeakReference<>(obj);
		//noinspection UnusedAssignment
		obj = null;
		while (ref.get() != null) {
		System.gc();
		System.runFinalization();
		}

		System.gc();
		System.runFinalization();
		}

		@AfterClass
		public static void tearDown() {
		sLayoutLibLog = null;
		@@ -327,7 +312,7 @@ public class RenderTestBase {
		sLogger = null;
		sBridge = null;

		gc();
		TestUtils.gc();

		System.out.println("Objects still linked from the DelegateManager:");
		DelegateManager.dump(System.out);
		@@ -435,6 +420,27 @@ public class RenderTestBase {
		return sLayoutLibLog;
		}

		protected static void ignoreAllLogging() {
		sLayoutLibLog = new LayoutLog();
		sLogger = new ILogger() {
		@Override
		public void error(Throwable t, String msgFormat, Object... args) {
		}

		@Override
		public void warning(String msgFormat, Object... args) {
		}

		@Override
		public void info(String msgFormat, Object... args) {
		}

		@Override
		public void verbose(String msgFormat, Object... args) {
		}
		};
		}

		protected static ILogger getLogger() {
		if (sLogger == null) {
		sLogger = new ILogger() {
		@@ -500,7 +506,7 @@ public class RenderTestBase {
		return renderAndVerify(params, goldenFileName);
		}

		private SessionParams createSessionParams(String layoutFileName, ConfigGenerator deviceConfig)
		protected SessionParams createSessionParams(String layoutFileName, ConfigGenerator deviceConfig)
		throws ClassNotFoundException {
		// Create the layout pull parser.
		LayoutPullParser parser = createLayoutPullParser(layoutFileName);

tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/util/TestUtils.java

0 → 100644

+36 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.layoutlib.bridge.intensive.util;

		import java.lang.ref.WeakReference;

		public class TestUtils {
		public static void gc() {
		// See RuntimeUtil#gc in jlibs (http://jlibs.in/)
		Object obj = new Object();
		WeakReference ref = new WeakReference<>(obj);
		//noinspection UnusedAssignment
		obj = null;
		while (ref.get() != null) {
		System.gc();
		System.runFinalization();
		}

		System.gc();
		System.runFinalization();
		}
		}

tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/util/perf/LongStatsCollector.java

0 → 100644

+97 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.layoutlib.bridge.intensive.util.perf;

		import android.annotation.NonNull;
		import android.util.LongArray;

		import java.util.Arrays;
		import java.util.function.LongConsumer;

		/**
		* Class that collect a series of longs and produces the median, min and max values.
		*/
		public class LongStatsCollector implements LongConsumer {
		private final LongArray mAllValues;
		private long mMin = Long.MAX_VALUE;
		private long mMax = Long.MIN_VALUE;
		public LongStatsCollector(int estimatedRuns) {
		mAllValues = new LongArray(estimatedRuns);
		}

		public int size() {
		return mAllValues.size();
		}

		@NonNull
		public Stats getStats() {
		if (mAllValues.size() == 0) {
		throw new IndexOutOfBoundsException("No data");
		}

		double median;
		int size = mAllValues.size();
		long[] buffer = new long[size];
		for (int i = 0; i < size; i++) {
		buffer[i] = mAllValues.get(i);
		}

		Arrays.sort(buffer);

		int midPoint = size / 2;
		median = (size % 2 == 0) ? (buffer[midPoint - 1] + buffer[midPoint]) / 2 : buffer[midPoint];

		return new Stats(mAllValues.size(), mMin, mMax, median);
		}

		@Override
		public void accept(long value) {
		mMin = Math.min(mMin, value);
		mMax = Math.max(mMax, value);
		mAllValues.add(value);
		}

		public static class Stats {
		private final int mSamples;
		private final long mMin;
		private final long mMax;
		private final double mMedian;

		private Stats(int samples, long min, long max, double median) {
		mSamples = samples;
		mMin = min;
		mMax = max;
		mMedian = median;
		}

		public int getSampleCount() {
		return mSamples;
		}

		public long getMin() {
		return mMin;
		}

		public long getMax() {
		return mMax;
		}

		public double getMedian() {
		return mMedian;
		}
		}
		}