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/*
* Copyright (C) 2019 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.wm;
import static android.perftests.utils.ManualBenchmarkState.StatsReport;
import android.os.SystemClock;
import android.perftests.utils.ManualBenchmarkState;
import android.perftests.utils.ManualBenchmarkState.ManualBenchmarkTest;
import android.perftests.utils.PerfManualStatusReporter;
import android.perftests.utils.TraceMarkParser;
import android.perftests.utils.TraceMarkParser.TraceMarkSlice;
import android.util.Log;
import androidx.test.filters.LargeTest;
import androidx.test.runner.lifecycle.Stage;
import org.junit.Rule;
import org.junit.Test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
/** Measure the performance of internal methods in window manager service by trace tag. */
@LargeTest
public class InternalWindowOperationPerfTest extends WindowManagerPerfTestBase
implements ManualBenchmarkState.CustomizedIterationListener {
private static final String TAG = InternalWindowOperationPerfTest.class.getSimpleName();
@Rule
public final PerfManualStatusReporter mPerfStatusReporter = new PerfManualStatusReporter();
@Rule
public final PerfTestActivityRule mActivityRule = new PerfTestActivityRule();
private final TraceMarkParser mTraceMarkParser = new TraceMarkParser(
"applyPostLayoutPolicy",
"applySurfaceChanges",
"AppTransitionReady",
"closeSurfaceTransaction",
"openSurfaceTransaction",
"performLayout",
"performSurfacePlacement",
"prepareSurfaces",
"updateInputWindows",
"WSA#startAnimation",
"activityIdle",
"activityPaused",
"activityStopped",
"activityDestroyed",
"finishActivity",
"startActivityInner");
private boolean mIsProfiling;
private boolean mIsTraceStarted;
@Test
@ManualBenchmarkTest(
targetTestDurationNs = 20 * TIME_1_S_IN_NS,
statsReport = @StatsReport(
flags = StatsReport.FLAG_ITERATION | StatsReport.FLAG_MEAN
| StatsReport.FLAG_MAX | StatsReport.FLAG_COEFFICIENT_VAR))
public void testLaunchAndFinishActivity() throws Throwable {
final ManualBenchmarkState state = mPerfStatusReporter.getBenchmarkState();
state.setCustomizedIterations(getProfilingIterations(), this);
long measuredTimeNs = 0;
while (state.keepRunning(measuredTimeNs)) {
if (!mIsTraceStarted && !mIsProfiling && !state.isWarmingUp()) {
startAsyncAtrace("wm");
mIsTraceStarted = true;
}
final long startTime = SystemClock.elapsedRealtimeNanos();
mActivityRule.launchActivity();
mActivityRule.finishActivity();
mActivityRule.waitForIdleSync(Stage.DESTROYED);
measuredTimeNs = SystemClock.elapsedRealtimeNanos() - startTime;
}
if (mIsTraceStarted) {
stopAsyncAtrace();
}
mTraceMarkParser.forAllSlices((key, slices) -> {
if (slices.size() < 2) {
Log.w(TAG, "No sufficient samples: " + key);
return;
}
for (TraceMarkSlice slice : slices) {
state.addExtraResult(key, (long) (slice.getDurationInSeconds() * NANOS_PER_S));
}
});
Log.i(TAG, String.valueOf(mTraceMarkParser));
}
private void stopAsyncAtrace() {
final InputStream inputStream = stopAsyncAtraceWithStream();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
String line;
while ((line = reader.readLine()) != null) {
mTraceMarkParser.visit(line);
}
} catch (IOException e) {
Log.w(TAG, "Failed to read the result of stopped atrace", e);
}
}
@Override
public void onStart(int iteration) {
if (mIsTraceStarted) {
// Do not capture trace when profiling because the result will be much slower.
stopAsyncAtrace();
mIsTraceStarted = false;
}
mIsProfiling = true;
startProfiling(InternalWindowOperationPerfTest.class.getSimpleName()
+ "_MethodTracing_" + iteration + ".trace");
}
@Override
public void onFinished(int iteration) {
stopProfiling();
if (iteration >= getProfilingIterations() - 1) {
mIsProfiling = false;
}
}
}
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