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devicelab: started averaging startup time for ios test (#64978)
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2e67bf2e32
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@ -341,6 +341,23 @@ TaskFunction createFramePolicyIntegrationTest() {
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};
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}
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Map<String, dynamic> _average(List<Map<String, dynamic>> results, int iterations) {
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final Map<String, dynamic> tally = <String, dynamic>{};
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for (final Map<String, dynamic> item in results) {
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item.forEach((String key, dynamic value) {
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if (tally.containsKey(key)) {
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tally[key] = (tally[key] as int) + (value as int);
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} else {
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tally[key] = value;
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}
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});
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}
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tally.forEach((String key, dynamic value) {
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tally[key] = (value as int) ~/ iterations;
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});
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return tally;
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}
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/// Measure application startup performance.
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class StartupTest {
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const StartupTest(this.testDirectory, { this.reportMetrics = true });
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@ -353,6 +370,9 @@ class StartupTest {
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final String deviceId = (await devices.workingDevice).deviceId;
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await flutter('packages', options: <String>['get']);
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const int iterations = 3;
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final List<Map<String, dynamic>> results = <Map<String, dynamic>>[];
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for (int i = 0; i < iterations; ++i) {
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await flutter('run', options: <String>[
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'--verbose',
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'--profile',
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@ -363,11 +383,15 @@ class StartupTest {
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final Map<String, dynamic> data = json.decode(
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file('$testDirectory/build/start_up_info.json').readAsStringSync(),
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) as Map<String, dynamic>;
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results.add(data);
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}
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final Map<String, dynamic> averageResults = _average(results, iterations);
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if (!reportMetrics)
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return TaskResult.success(data);
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return TaskResult.success(averageResults);
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return TaskResult.success(data, benchmarkScoreKeys: <String>[
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return TaskResult.success(averageResults, benchmarkScoreKeys: <String>[
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'timeToFirstFrameMicros',
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'timeToFirstFrameRasterizedMicros',
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]);
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