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/*
* Copyright (C) 2015 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.media.tests;
import com.android.ddmlib.testrunner.TestIdentifier;
import com.android.tradefed.config.Option;
import com.android.tradefed.config.OptionClass;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.ITestInvocationListener;
import com.android.tradefed.targetprep.BuildError;
import com.android.tradefed.targetprep.ITargetPreparer;
import com.android.tradefed.targetprep.TargetSetupError;
import com.android.tradefed.targetprep.TemperatureThrottlingWaiter;
import com.android.tradefed.util.MultiMap;
import org.junit.Assert;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Camera app startup test
*
* Runs CameraActivityTest to measure Camera startup time and reports the metrics.
*/
@OptionClass(alias = "camera-startup")
public class CameraStartupTest extends CameraTestBase {
private static final Pattern STATS_REGEX = Pattern.compile(
"^(?<coldStartup>[0-9.]+)\\|(?<warmStartup>[0-9.]+)\\|(?<values>[0-9 .-]+)");
private static final String PREFIX_COLD_STARTUP = "Cold";
// all metrics are expected to be less than 10 mins and greater than 0.
private static final int METRICS_MAX_THRESHOLD_MS = 10 * 60 * 1000;
private static final int METRICS_MIN_THRESHOLD_MS = 0;
private static final String INVALID_VALUE = "-1";
@Option(name="num-test-runs", description="The number of test runs. A instrumentation "
+ "test will be repeatedly executed. Then it posts the average of test results.")
private int mNumTestRuns = 1;
@Option(name="delay-between-test-runs", description="Time delay between multiple test runs, "
+ "in msecs. Used to wait for device to cool down. "
+ "Note that this will be ignored when TemperatureThrottlingWaiter is configured.")
private long mDelayBetweenTestRunsMs = 120 * 1000; // 2 minutes
private MultiMap<String, String> mMultipleRunMetrics = new MultiMap<String, String>();
private Map<String, String> mAverageMultipleRunMetrics = new HashMap<String, String>();
private long mTestRunsDurationMs = 0;
public CameraStartupTest() {
setTestPackage("com.google.android.camera");
setTestClass("com.android.camera.latency.CameraStartupTest");
setTestRunner("android.test.InstrumentationTestRunner");
setRuKey("CameraAppStartup");
setTestTimeoutMs(60 * 60 * 1000); // 1 hour
}
/**
* {@inheritDoc}
*/
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
runMultipleInstrumentationTests(listener, mNumTestRuns);
}
private void runMultipleInstrumentationTests(ITestInvocationListener listener, int numTestRuns)
throws DeviceNotAvailableException {
Assert.assertTrue(numTestRuns > 0);
mTestRunsDurationMs = 0;
for (int i = 0; i < numTestRuns; ++i) {
CLog.v("Running multiple instrumentation tests... [%d/%d]", i + 1, numTestRuns);
CollectingListener singleRunListener = new CollectingListener(listener);
runInstrumentationTest(listener, singleRunListener);
mTestRunsDurationMs += getTestDurationMs();
if (singleRunListener.hasFailedTests() ||
singleRunListener.hasTestRunFatalError()) {
exitTestRunsOnError(listener, singleRunListener.getErrorMessage());
return;
}
if (i + 1 < numTestRuns) { // Skipping preparation on the last run
postSetupTestRun();
}
}
// Post the average of metrics collected in multiple instrumentation test runs.
postMultipleRunMetrics(listener);
CLog.v("multiple instrumentation tests end");
}
private void exitTestRunsOnError(ITestInvocationListener listener, String errorMessage) {
CLog.e("The instrumentation result not found. Test runs may have failed due to exceptions."
+ " Test results will not be posted. errorMsg: %s", errorMessage);
listener.testRunFailed(errorMessage);
listener.testRunEnded(mTestRunsDurationMs, Collections.<String, String>emptyMap());
}
private void postMultipleRunMetrics(ITestInvocationListener listener) {
listener.testRunEnded(mTestRunsDurationMs, getAverageMultipleRunMetrics());
}
private void postSetupTestRun() throws DeviceNotAvailableException {
// Reboot for a cold start up of Camera application
CLog.d("Cold start: Rebooting...");
getDevice().reboot();
// Wait for device to cool down to target temperature
// Use TemperatureThrottlingWaiter if configured, otherwise just wait for
// a specific amount of time.
CLog.d("Cold start: Waiting for device to cool down...");
boolean usedTemperatureThrottlingWaiter = false;
for (ITargetPreparer preparer : mConfiguration.getTargetPreparers()) {
if (preparer instanceof TemperatureThrottlingWaiter) {
usedTemperatureThrottlingWaiter = true;
try {
preparer.setUp(getDevice(), null);
} catch (TargetSetupError e) {
CLog.w("No-op even when temperature is still high after wait timeout. "
+ "error: %s", e.getMessage());
} catch (BuildError e) {
// This should not happen.
}
}
}
if (!usedTemperatureThrottlingWaiter) {
getRunUtil().sleep(mDelayBetweenTestRunsMs);
}
CLog.d("Device gets prepared for the next test run.");
}
// Call this function once at the end to get the average.
private Map<String, String> getAverageMultipleRunMetrics() {
Assert.assertTrue(mMultipleRunMetrics.size() > 0);
Set<String> keys = mMultipleRunMetrics.keySet();
mAverageMultipleRunMetrics.clear();
for (String key : keys) {
int sum = 0;
int size = 0;
boolean isInvalid = false;
for (String valueString : mMultipleRunMetrics.get(key)) {
int value = Integer.parseInt(valueString);
// If value is out of valid range, skip posting the result associated with the key
if (value > METRICS_MAX_THRESHOLD_MS || value < METRICS_MIN_THRESHOLD_MS) {
isInvalid = true;
break;
}
sum += value;
++size;
}
String valueString = INVALID_VALUE;
if (isInvalid) {
CLog.w("Value is out of valid range. Key: %s ", key);
} else {
valueString = String.format("%d", (sum / size));
}
mAverageMultipleRunMetrics.put(key, valueString);
}
return mAverageMultipleRunMetrics;
}
/**
* A listener to collect the output from test run and fatal errors
*/
private class CollectingListener extends DefaultCollectingListener {
public CollectingListener(ITestInvocationListener listener) {
super(listener);
}
@Override
public void handleMetricsOnTestEnded(TestIdentifier test, Map<String, String> testMetrics) {
// Test metrics accumulated will be posted at the end of test run.
getAggregatedMetrics().putAll(parseResults(testMetrics));
}
@Override
public void handleTestRunEnded(ITestInvocationListener listener, long elapsedTime,
Map<String, String> runMetrics) {
// Do not post aggregated metrics from a single run to a dashboard. Instead, it needs
// to collect all metrics from multiple test runs.
mMultipleRunMetrics.putAll(getAggregatedMetrics());
}
public Map<String, String> parseResults(Map<String, String> testMetrics) {
// Parse activity time stats from the instrumentation result.
// Format : <metric_key>=<cold_startup>|<average_of_warm_startups>|<all_startups>
// Example:
// VideoStartupTimeMs=1098|1184.6|1098 1222 ... 788
// VideoOnCreateTimeMs=138|103.3|138 114 ... 114
// VideoOnResumeTimeMs=39|40.4|39 36 ... 41
// VideoFirstPreviewFrameTimeMs=0|0.0|0 0 ... 0
// CameraStartupTimeMs=2388|1045.4|2388 1109 ... 746
// CameraOnCreateTimeMs=574|122.7|574 124 ... 109
// CameraOnResumeTimeMs=610|504.6|610 543 ... 278
// CameraFirstPreviewFrameTimeMs=0|0.0|0 0 ... 0
//
// Then report only the first two startup time of cold startup and average warm startup.
Map<String, String> parsed = new HashMap<String, String>();
for (Map.Entry<String, String> metric : testMetrics.entrySet()) {
Matcher matcher = STATS_REGEX.matcher(metric.getValue());
String keyName = metric.getKey();
String coldStartupValue = INVALID_VALUE;
String warmStartupValue = INVALID_VALUE;
if (matcher.matches()) {
coldStartupValue = matcher.group("coldStartup");
warmStartupValue = matcher.group("warmStartup");
}
parsed.put(PREFIX_COLD_STARTUP + keyName, coldStartupValue);
parsed.put(keyName, warmStartupValue);
}
return parsed;
}
}
}
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