diff --git a/apct-tests/perftests/core/src/android/text/StaticLayoutMultithreadPerfTest.java b/apct-tests/perftests/core/src/android/text/StaticLayoutMultithreadPerfTest.java new file mode 100644 index 0000000000000..60c6d89b39cef --- /dev/null +++ b/apct-tests/perftests/core/src/android/text/StaticLayoutMultithreadPerfTest.java @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2018 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 android.text; + +import android.perftests.utils.BenchmarkState; +import android.perftests.utils.PerfStatusReporter; + +import android.support.test.filters.LargeTest; +import android.support.test.runner.AndroidJUnit4; + +import org.junit.Rule; +import org.junit.Test; +import org.junit.runner.RunWith; + +import java.util.Random; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.TimeUnit; + +@LargeTest +@RunWith(AndroidJUnit4.class) +public class StaticLayoutMultithreadPerfTest { + private static final int WORD_LENGTH = 9; // Random word has 9 characters. + private static final int WORDS_IN_LINE = 8; // Roughly, 8 words in a line. + private static final boolean NO_STYLE_TEXT = false; + + private static TextPaint PAINT = new TextPaint(); + private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize(); + + public StaticLayoutMultithreadPerfTest() {} + + @Rule + public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); + + private CountDownLatch mStartLatch; + private AtomicBoolean mThreadState; // True for running, False for stopped. + + private static final long TIMEOUT_MS = 5000; + + private Thread[] startBackgroundThread(int numOfThreads) { + mStartLatch = new CountDownLatch(numOfThreads); + mThreadState = new AtomicBoolean(true); + + Thread[] threads = new Thread[numOfThreads]; + for (int i = 0; i < numOfThreads; ++i) { + final int seed = i + 1; + threads[i] = new Thread(new Runnable() { + @Override + public void run() { + final TextPerfUtils util = new TextPerfUtils(); + util.resetRandom(seed); + + mStartLatch.countDown(); + while (mThreadState.get()) { + final CharSequence text = util.nextRandomParagraph( + WORD_LENGTH, NO_STYLE_TEXT); + StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) + .build(); + } + } + }); + } + + for (int i = 0; i < numOfThreads; ++i) { + threads[i].start(); + } + + try { + mStartLatch.await(TIMEOUT_MS, TimeUnit.MILLISECONDS); + } catch (InterruptedException e) { + throw new RuntimeException(e); + } + return threads; + } + + private void finishThreads(Thread[] threads) { + mThreadState.set(false); + for (Thread thread : threads) { + try { + thread.join(); + } catch (InterruptedException e) { + throw new RuntimeException(e); + } + } + mStartLatch = null; + mThreadState = null; + } + + private void runRandomTest(int numOfTotalThreads) { + final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); + final TextPerfUtils util = new TextPerfUtils(); + Thread[] threads = startBackgroundThread(numOfTotalThreads - 1); + while (state.keepRunning()) { + state.pauseTiming(); + final CharSequence text = util.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); + state.resumeTiming(); + + StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) + .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) + .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) + .build(); + } + finishThreads(threads); + } + + @Test + public void testCreate_RandomText_Thread_1() { + runRandomTest(1); + } + + @Test + public void testCreate_RandomText_Thread_2() { + runRandomTest(2); + } + + @Test + public void testCreate_RandomText_Thread_4() { + runRandomTest(4); + } +}