|
|
Android example source code file (PerformanceCollectorTest.java)
This example Android source code file (PerformanceCollectorTest.java) is included in the DevDaily.com
"Java Source Code
Warehouse" project. The intent of this project is to help you "Learn
Android by Example" TM.
The PerformanceCollectorTest.java Android example source code
/*
* Copyright (C) 2009 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.os;
import android.os.Bundle;
import android.os.Parcelable;
import android.os.PerformanceCollector;
import android.os.Process;
import android.os.PerformanceCollector.PerformanceResultsWriter;
import android.test.suitebuilder.annotation.SmallTest;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Random;
import junit.framework.TestCase;
public class PerformanceCollectorTest extends TestCase {
private PerformanceCollector mPerfCollector;
@Override
protected void setUp() throws Exception {
super.setUp();
mPerfCollector = new PerformanceCollector();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
mPerfCollector = null;
}
@SmallTest
public void testBeginSnapshotNoWriter() throws Exception {
mPerfCollector.beginSnapshot("testBeginSnapshotNoWriter");
assertTrue((Long)readPrivateField("mSnapshotCpuTime", mPerfCollector) > 0);
assertTrue((Long)readPrivateField("mSnapshotExecTime", mPerfCollector) > 0);
Bundle snapshot = (Bundle)readPrivateField("mPerfSnapshot", mPerfCollector);
assertNotNull(snapshot);
assertEquals(2, snapshot.size());
}
@SmallTest
public void testEndSnapshotNoWriter() throws Exception {
mPerfCollector.beginSnapshot("testEndSnapshotNoWriter");
workForRandomLongPeriod();
Bundle snapshot = mPerfCollector.endSnapshot();
verifySnapshotBundle(snapshot);
}
@SmallTest
public void testStartTimingNoWriter() throws Exception {
mPerfCollector.startTiming("testStartTimingNoWriter");
assertTrue((Long)readPrivateField("mCpuTime", mPerfCollector) > 0);
assertTrue((Long)readPrivateField("mExecTime", mPerfCollector) > 0);
Bundle measurement = (Bundle)readPrivateField("mPerfMeasurement", mPerfCollector);
assertNotNull(measurement);
verifyTimingBundle(measurement, new ArrayList<String>());
}
@SmallTest
public void testAddIterationNoWriter() throws Exception {
mPerfCollector.startTiming("testAddIterationNoWriter");
workForRandomTinyPeriod();
Bundle iteration = mPerfCollector.addIteration("timing1");
verifyIterationBundle(iteration, "timing1");
}
@SmallTest
public void testStopTimingNoWriter() throws Exception {
mPerfCollector.startTiming("testStopTimingNoWriter");
workForRandomTinyPeriod();
mPerfCollector.addIteration("timing2");
workForRandomTinyPeriod();
mPerfCollector.addIteration("timing3");
workForRandomShortPeriod();
Bundle timing = mPerfCollector.stopTiming("timing4");
ArrayList<String> labels = new ArrayList();
labels.add("timing2");
labels.add("timing3");
labels.add("timing4");
verifyTimingBundle(timing, labels);
}
@SmallTest
public void testBeginSnapshot() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.beginSnapshot("testBeginSnapshot");
assertEquals("testBeginSnapshot", writer.snapshotLabel);
assertTrue((Long)readPrivateField("mSnapshotCpuTime", mPerfCollector) > 0);
assertTrue((Long)readPrivateField("mSnapshotExecTime", mPerfCollector) > 0);
Bundle snapshot = (Bundle)readPrivateField("mPerfSnapshot", mPerfCollector);
assertNotNull(snapshot);
assertEquals(2, snapshot.size());
}
@SmallTest
public void testEndSnapshot() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.beginSnapshot("testEndSnapshot");
workForRandomLongPeriod();
Bundle snapshot1 = mPerfCollector.endSnapshot();
Bundle snapshot2 = writer.snapshotResults;
assertEqualsBundle(snapshot1, snapshot2);
verifySnapshotBundle(snapshot1);
}
@SmallTest
public void testStartTiming() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.startTiming("testStartTiming");
assertEquals("testStartTiming", writer.timingLabel);
assertTrue((Long)readPrivateField("mCpuTime", mPerfCollector) > 0);
assertTrue((Long)readPrivateField("mExecTime", mPerfCollector) > 0);
Bundle measurement = (Bundle)readPrivateField("mPerfMeasurement", mPerfCollector);
assertNotNull(measurement);
verifyTimingBundle(measurement, new ArrayList<String>());
}
@SmallTest
public void testAddIteration() throws Exception {
mPerfCollector.startTiming("testAddIteration");
workForRandomTinyPeriod();
Bundle iteration = mPerfCollector.addIteration("timing5");
verifyIterationBundle(iteration, "timing5");
}
@SmallTest
public void testStopTiming() throws Exception {
mPerfCollector.startTiming("testStopTiming");
workForRandomTinyPeriod();
mPerfCollector.addIteration("timing6");
workForRandomTinyPeriod();
mPerfCollector.addIteration("timing7");
workForRandomShortPeriod();
Bundle timing = mPerfCollector.stopTiming("timing8");
ArrayList<String> labels = new ArrayList();
labels.add("timing6");
labels.add("timing7");
labels.add("timing8");
verifyTimingBundle(timing, labels);
}
@SmallTest
public void testAddMeasurementLong() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.startTiming("testAddMeasurementLong");
mPerfCollector.addMeasurement("testAddMeasurementLongZero", 0);
mPerfCollector.addMeasurement("testAddMeasurementLongPos", 348573);
mPerfCollector.addMeasurement("testAddMeasurementLongNeg", -19354);
mPerfCollector.stopTiming("");
assertEquals("testAddMeasurementLong", writer.timingLabel);
Bundle results = writer.timingResults;
assertEquals(4, results.size());
assertTrue(results.containsKey("testAddMeasurementLongZero"));
assertEquals(0, results.getLong("testAddMeasurementLongZero"));
assertTrue(results.containsKey("testAddMeasurementLongPos"));
assertEquals(348573, results.getLong("testAddMeasurementLongPos"));
assertTrue(results.containsKey("testAddMeasurementLongNeg"));
assertEquals(-19354, results.getLong("testAddMeasurementLongNeg"));
}
@SmallTest
public void testAddMeasurementFloat() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.startTiming("testAddMeasurementFloat");
mPerfCollector.addMeasurement("testAddMeasurementFloatZero", 0.0f);
mPerfCollector.addMeasurement("testAddMeasurementFloatPos", 348573.345f);
mPerfCollector.addMeasurement("testAddMeasurementFloatNeg", -19354.093f);
mPerfCollector.stopTiming("");
assertEquals("testAddMeasurementFloat", writer.timingLabel);
Bundle results = writer.timingResults;
assertEquals(4, results.size());
assertTrue(results.containsKey("testAddMeasurementFloatZero"));
assertEquals(0.0f, results.getFloat("testAddMeasurementFloatZero"));
assertTrue(results.containsKey("testAddMeasurementFloatPos"));
assertEquals(348573.345f, results.getFloat("testAddMeasurementFloatPos"));
assertTrue(results.containsKey("testAddMeasurementFloatNeg"));
assertEquals(-19354.093f, results.getFloat("testAddMeasurementFloatNeg"));
}
@SmallTest
public void testAddMeasurementString() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.startTiming("testAddMeasurementString");
mPerfCollector.addMeasurement("testAddMeasurementStringNull", null);
mPerfCollector.addMeasurement("testAddMeasurementStringEmpty", "");
mPerfCollector.addMeasurement("testAddMeasurementStringNonEmpty", "Hello World");
mPerfCollector.stopTiming("");
assertEquals("testAddMeasurementString", writer.timingLabel);
Bundle results = writer.timingResults;
assertEquals(4, results.size());
assertTrue(results.containsKey("testAddMeasurementStringNull"));
assertNull(results.getString("testAddMeasurementStringNull"));
assertTrue(results.containsKey("testAddMeasurementStringEmpty"));
assertEquals("", results.getString("testAddMeasurementStringEmpty"));
assertTrue(results.containsKey("testAddMeasurementStringNonEmpty"));
assertEquals("Hello World", results.getString("testAddMeasurementStringNonEmpty"));
}
@SmallTest
public void testSimpleSequence() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.beginSnapshot("testSimpleSequence");
mPerfCollector.startTiming("testSimpleSequenceTiming");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration1");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration2");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration3");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration4");
workForRandomShortPeriod();
Bundle timing = mPerfCollector.stopTiming("iteration5");
workForRandomLongPeriod();
Bundle snapshot1 = mPerfCollector.endSnapshot();
Bundle snapshot2 = writer.snapshotResults;
assertEqualsBundle(snapshot1, snapshot2);
verifySnapshotBundle(snapshot1);
ArrayList<String> labels = new ArrayList();
labels.add("iteration1");
labels.add("iteration2");
labels.add("iteration3");
labels.add("iteration4");
labels.add("iteration5");
verifyTimingBundle(timing, labels);
}
@SmallTest
public void testLongSequence() throws Exception {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.beginSnapshot("testLongSequence");
mPerfCollector.startTiming("testLongSequenceTiming1");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration1");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration2");
workForRandomShortPeriod();
Bundle timing1 = mPerfCollector.stopTiming("iteration3");
workForRandomLongPeriod();
mPerfCollector.startTiming("testLongSequenceTiming2");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration4");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration5");
workForRandomShortPeriod();
Bundle timing2 = mPerfCollector.stopTiming("iteration6");
workForRandomLongPeriod();
mPerfCollector.startTiming("testLongSequenceTiming3");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration7");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration8");
workForRandomShortPeriod();
Bundle timing3 = mPerfCollector.stopTiming("iteration9");
workForRandomLongPeriod();
mPerfCollector.startTiming("testLongSequenceTiming4");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration10");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration11");
workForRandomShortPeriod();
Bundle timing4 = mPerfCollector.stopTiming("iteration12");
workForRandomLongPeriod();
mPerfCollector.startTiming("testLongSequenceTiming5");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration13");
workForRandomTinyPeriod();
mPerfCollector.addIteration("iteration14");
workForRandomShortPeriod();
Bundle timing5 = mPerfCollector.stopTiming("iteration15");
workForRandomLongPeriod();
Bundle snapshot1 = mPerfCollector.endSnapshot();
Bundle snapshot2 = writer.snapshotResults;
assertEqualsBundle(snapshot1, snapshot2);
verifySnapshotBundle(snapshot1);
ArrayList<String> labels1 = new ArrayList();
labels1.add("iteration1");
labels1.add("iteration2");
labels1.add("iteration3");
verifyTimingBundle(timing1, labels1);
ArrayList<String> labels2 = new ArrayList();
labels2.add("iteration4");
labels2.add("iteration5");
labels2.add("iteration6");
verifyTimingBundle(timing2, labels2);
ArrayList<String> labels3 = new ArrayList();
labels3.add("iteration7");
labels3.add("iteration8");
labels3.add("iteration9");
verifyTimingBundle(timing3, labels3);
ArrayList<String> labels4 = new ArrayList();
labels4.add("iteration10");
labels4.add("iteration11");
labels4.add("iteration12");
verifyTimingBundle(timing4, labels4);
ArrayList<String> labels5 = new ArrayList();
labels5.add("iteration13");
labels5.add("iteration14");
labels5.add("iteration15");
verifyTimingBundle(timing5, labels5);
}
/*
* Verify that snapshotting and timing do not interfere w/ each other,
* by staggering calls to snapshot and timing functions.
*/
@SmallTest
public void testOutOfOrderSequence() {
MockPerformanceResultsWriter writer = new MockPerformanceResultsWriter();
mPerfCollector.setPerformanceResultsWriter(writer);
mPerfCollector.startTiming("testOutOfOrderSequenceTiming");
workForRandomShortPeriod();
mPerfCollector.beginSnapshot("testOutOfOrderSequenceSnapshot");
workForRandomShortPeriod();
Bundle timing1 = mPerfCollector.stopTiming("timing1");
workForRandomShortPeriod();
Bundle snapshot1 = mPerfCollector.endSnapshot();
Bundle timing2 = writer.timingResults;
Bundle snapshot2 = writer.snapshotResults;
assertEqualsBundle(snapshot1, snapshot2);
verifySnapshotBundle(snapshot1);
assertEqualsBundle(timing1, timing2);
ArrayList<String> labels = new ArrayList();
labels.add("timing1");
verifyTimingBundle(timing1, labels);
}
private void workForRandomPeriod(int minDuration, int maxDuration) {
Random random = new Random();
int period = minDuration + random.nextInt(maxDuration - minDuration);
long start = Process.getElapsedCpuTime();
// Generate positive amount of work, so cpu time is measurable in
// milliseconds
while (Process.getElapsedCpuTime() - start < period) {
for (int i = 0, temp = 0; i < 50; i++ ) {
temp += i;
}
}
}
private void workForRandomTinyPeriod() {
workForRandomPeriod(2, 5);
}
private void workForRandomShortPeriod() {
workForRandomPeriod(10, 25);
}
private void workForRandomLongPeriod() {
workForRandomPeriod(50, 100);
}
private void verifySnapshotBundle(Bundle snapshot) {
assertTrue("At least 26 metrics collected", 26 <= snapshot.size());
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_CPU_TIME));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_CPU_TIME) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_EXECUTION_TIME));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_EXECUTION_TIME) > 0);
assertTrue(snapshot.containsKey(
PerformanceCollector.METRIC_KEY_PRE_RECEIVED_TRANSACTIONS));
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_PRE_SENT_TRANSACTIONS));
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_RECEIVED_TRANSACTIONS));
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_SENT_TRANSACTIONS));
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_GC_INVOCATION_COUNT));
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_ALLOCATED));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_ALLOCATED) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_FREE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_FREE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_PRIVATE_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_PRIVATE_DIRTY) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_PSS));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_PSS) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_SHARED_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_SHARED_DIRTY) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_JAVA_SIZE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_JAVA_SIZE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_ALLOCATED));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_ALLOCATED) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_FREE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_FREE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_PRIVATE_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_PRIVATE_DIRTY) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_PSS));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_PSS) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_SHARED_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_SHARED_DIRTY) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_NATIVE_SIZE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_NATIVE_SIZE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_GLOBAL_ALLOC_COUNT));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_GLOBAL_ALLOC_COUNT) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_GLOBAL_ALLOC_SIZE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_GLOBAL_ALLOC_SIZE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_GLOBAL_FREED_COUNT));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_GLOBAL_FREED_COUNT) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_GLOBAL_FREED_SIZE));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_GLOBAL_FREED_SIZE) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_OTHER_PRIVATE_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_OTHER_PRIVATE_DIRTY) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_OTHER_PSS));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_OTHER_PSS) > 0);
assertTrue(snapshot.containsKey(PerformanceCollector.METRIC_KEY_OTHER_SHARED_DIRTY));
assertTrue(snapshot.getLong(PerformanceCollector.METRIC_KEY_OTHER_SHARED_DIRTY) > 0);
}
private void verifyIterationBundle(Bundle iteration, String label) {
assertEquals(3, iteration.size());
assertTrue(iteration.containsKey(PerformanceCollector.METRIC_KEY_LABEL));
assertEquals(label, iteration.getString(PerformanceCollector.METRIC_KEY_LABEL));
assertTrue(iteration.containsKey(PerformanceCollector.METRIC_KEY_CPU_TIME));
assertTrue(iteration.getLong(PerformanceCollector.METRIC_KEY_CPU_TIME) > 0);
assertTrue(iteration.containsKey(PerformanceCollector.METRIC_KEY_EXECUTION_TIME));
assertTrue(iteration.getLong(PerformanceCollector.METRIC_KEY_EXECUTION_TIME) > 0);
}
private void verifyTimingBundle(Bundle timing, ArrayList<String> labels) {
assertEquals(1, timing.size());
assertTrue(timing.containsKey(PerformanceCollector.METRIC_KEY_ITERATIONS));
ArrayList<Parcelable> iterations = timing.getParcelableArrayList(
PerformanceCollector.METRIC_KEY_ITERATIONS);
assertNotNull(iterations);
assertEquals(labels.size(), iterations.size());
for (int i = 0; i < labels.size(); i ++) {
Bundle iteration = (Bundle)iterations.get(i);
verifyIterationBundle(iteration, labels.get(i));
}
}
private void assertEqualsBundle(Bundle b1, Bundle b2) {
assertEquals(b1.keySet(), b2.keySet());
for (String key : b1.keySet()) {
assertEquals(b1.get(key), b2.get(key));
}
}
private Object readPrivateField(String fieldName, Object object) throws Exception {
Field f = object.getClass().getDeclaredField(fieldName);
f.setAccessible(true);
return f.get(object);
}
private class MockPerformanceResultsWriter implements PerformanceResultsWriter {
public String snapshotLabel;
public Bundle snapshotResults = new Bundle();
public String timingLabel;
public Bundle timingResults = new Bundle();
public void writeBeginSnapshot(String label) {
snapshotLabel = label;
}
public void writeEndSnapshot(Bundle results) {
snapshotResults.putAll(results);
}
public void writeStartTiming(String label) {
timingLabel = label;
}
public void writeStopTiming(Bundle results) {
timingResults.putAll(results);
}
public void writeMeasurement(String label, long value) {
timingResults.putLong(label, value);
}
public void writeMeasurement(String label, float value) {
timingResults.putFloat(label, value);
}
public void writeMeasurement(String label, String value) {
timingResults.putString(label, value);
}
}
}
Other Android examples (source code examples)
Here is a short list of links related to this Android PerformanceCollectorTest.java source code file:
|
The search page
Other Android source code examples at this package level
Click here to learn more about this project
