| /* |
| * Copyright (C) 2020 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.graphics.perftests; |
| |
| import android.graphics.Typeface; |
| import android.os.Debug; |
| import android.os.SharedMemory; |
| import android.os.SystemClock; |
| import android.perftests.utils.ManualBenchmarkState; |
| import android.perftests.utils.PerfManualStatusReporter; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| |
| import androidx.test.filters.LargeTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.util.Map; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| public class TypefaceSerializationPerfTest { |
| |
| private static final String TAG = "TypefaceSerializationPerfTest"; |
| |
| // Those values were taken from android.perftests.utils.BenchmarkState. |
| // Note: we cannot use TimeUnit.toNanos() because these constants are used in annotation. |
| private static final long WARMUP_DURATION_NS = 250_000_000; // 250ms |
| private static final long TARGET_TEST_DURATION_NS = 500_000_000; // 500ms |
| |
| @Rule |
| public PerfManualStatusReporter mPerfManualStatusReporter = new PerfManualStatusReporter(); |
| |
| @Before |
| public void setUp() { |
| // Parse and load the preinstalled fonts in the test process so that: |
| // (1) Updated fonts do not affect test results. |
| // (2) Lazy-loading of fonts does not affect test results (esp. testSerializeFontMap). |
| Typeface.loadPreinstalledSystemFontMap(); |
| } |
| |
| @ManualBenchmarkState.ManualBenchmarkTest( |
| warmupDurationNs = WARMUP_DURATION_NS, |
| targetTestDurationNs = TARGET_TEST_DURATION_NS) |
| @Test |
| public void testSerializeFontMap() throws Exception { |
| Map<String, Typeface> systemFontMap = Typeface.getSystemFontMap(); |
| ManualBenchmarkState state = mPerfManualStatusReporter.getBenchmarkState(); |
| |
| long elapsedTime = 0; |
| while (state.keepRunning(elapsedTime)) { |
| long startTime = System.nanoTime(); |
| SharedMemory sharedMemory = Typeface.serializeFontMap(systemFontMap); |
| elapsedTime = System.nanoTime() - startTime; |
| sharedMemory.close(); |
| android.util.Log.i(TAG, |
| "testSerializeFontMap isWarmingUp=" + state.isWarmingUp() |
| + " elapsedTime=" + elapsedTime); |
| } |
| } |
| |
| @ManualBenchmarkState.ManualBenchmarkTest( |
| warmupDurationNs = WARMUP_DURATION_NS, |
| targetTestDurationNs = TARGET_TEST_DURATION_NS) |
| @Test |
| public void testSerializeFontMap_memory() throws Exception { |
| Map<String, Typeface> systemFontMap = Typeface.getSystemFontMap(); |
| SharedMemory memory = Typeface.serializeFontMap(systemFontMap); |
| ManualBenchmarkState state = mPerfManualStatusReporter.getBenchmarkState(); |
| |
| while (state.keepRunning(memory.getSize())) { |
| // Rate-limiting |
| SystemClock.sleep(100); |
| } |
| } |
| |
| @ManualBenchmarkState.ManualBenchmarkTest( |
| warmupDurationNs = WARMUP_DURATION_NS, |
| targetTestDurationNs = TARGET_TEST_DURATION_NS) |
| @Test |
| public void testDeserializeFontMap() throws Exception { |
| SharedMemory memory = Typeface.serializeFontMap(Typeface.getSystemFontMap()); |
| ByteBuffer buffer = memory.mapReadOnly().order(ByteOrder.BIG_ENDIAN); |
| ManualBenchmarkState state = mPerfManualStatusReporter.getBenchmarkState(); |
| |
| ArrayMap<String, Typeface> out = new ArrayMap<>(); |
| long elapsedTime = 0; |
| while (state.keepRunning(elapsedTime)) { |
| long startTime = System.nanoTime(); |
| buffer.position(0); |
| Typeface.deserializeFontMap(buffer, out); |
| elapsedTime = System.nanoTime() - startTime; |
| for (Typeface typeface : out.values()) { |
| typeface.releaseNativeObjectForTest(); |
| } |
| out.clear(); |
| } |
| } |
| |
| @ManualBenchmarkState.ManualBenchmarkTest( |
| warmupDurationNs = WARMUP_DURATION_NS, |
| targetTestDurationNs = TARGET_TEST_DURATION_NS) |
| @Test |
| public void testDeserializeFontMap_memory() throws Exception { |
| SharedMemory memory = Typeface.serializeFontMap(Typeface.getSystemFontMap()); |
| ByteBuffer buffer = memory.mapReadOnly().order(ByteOrder.BIG_ENDIAN); |
| ManualBenchmarkState state = mPerfManualStatusReporter.getBenchmarkState(); |
| |
| ArrayMap<String, Typeface> out = new ArrayMap<>(); |
| // Diff of native heap allocation size (in bytes) before and after deserializeFontMap. |
| // Note: we don't measure memory usage of setSystemFontMap because setSystemFontMap sets |
| // some global variables, and it's hard to clear them. |
| long heapDiff = 0; |
| // Sometimes heapDiff may become negative due to GC. |
| // Use 0 in that case to avoid crashing in keepRunning. |
| while (state.keepRunning(Math.max(0, heapDiff))) { |
| buffer.position(0); |
| long baselineSize = Debug.getNativeHeapAllocatedSize(); |
| Typeface.deserializeFontMap(buffer, out); |
| long currentSize = Debug.getNativeHeapAllocatedSize(); |
| heapDiff = currentSize - baselineSize; |
| Log.i(TAG, String.format("native heap alloc: current = %d, baseline = %d, diff = %d", |
| currentSize, baselineSize, heapDiff)); |
| // Release native objects here to minimize the impact of GC. |
| for (Typeface typeface : out.values()) { |
| typeface.releaseNativeObjectForTest(); |
| } |
| out.clear(); |
| } |
| } |
| |
| @ManualBenchmarkState.ManualBenchmarkTest( |
| warmupDurationNs = WARMUP_DURATION_NS, |
| targetTestDurationNs = TARGET_TEST_DURATION_NS) |
| @Test |
| public void testSetSystemFontMap() throws Exception { |
| SharedMemory memory = null; |
| ManualBenchmarkState state = mPerfManualStatusReporter.getBenchmarkState(); |
| |
| long elapsedTime = 0; |
| while (state.keepRunning(elapsedTime)) { |
| // Explicitly destroy lazy-loaded typefaces, so that we don't hit the mmap limit |
| // (max_map_count). |
| Typeface.destroySystemFontMap(); |
| Typeface.loadPreinstalledSystemFontMap(); |
| if (memory != null) { |
| memory.close(); |
| } |
| memory = Typeface.serializeFontMap(Typeface.getSystemFontMap()); |
| long startTime = System.nanoTime(); |
| Typeface.setSystemFontMap(memory); |
| elapsedTime = System.nanoTime() - startTime; |
| } |
| } |
| } |