| /* |
| * Copyright (C) 2021 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.performance.tests; |
| |
| import com.android.tradefed.log.LogUtil; |
| import com.android.tradefed.result.ITestInvocationListener; |
| import com.android.tradefed.util.proto.TfMetricProtoUtil; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| |
| /** A simple data structure that used to capture performance metrics and report median values */ |
| public class DataRecorder { |
| |
| private final String mRunName; |
| private Map<String, List<Float>> mFloatMetrics = new HashMap<>(); |
| private Map<String, List<Long>> mLongMetrics = new HashMap<>(); |
| |
| public DataRecorder(String runName) { |
| mRunName = runName; |
| } |
| |
| public void recordMetric(String name, Long value) { |
| List<Long> list = mLongMetrics.computeIfAbsent(name, k -> new ArrayList<>()); |
| list.add(value); |
| } |
| |
| public void recordMetric(String name, Float value) { |
| List<Float> list = mFloatMetrics.computeIfAbsent(name, k -> new ArrayList<>()); |
| list.add(value); |
| } |
| |
| public void captureTime(String key, Callable<Void> action) throws Exception { |
| long startTime = System.currentTimeMillis(); |
| action.call(); |
| recordMetric(key, System.currentTimeMillis() - startTime); |
| } |
| |
| public void reportMetrics(ITestInvocationListener listener, Map<String, String> metrics) { |
| for (Map.Entry<String, List<Long>> entry : mLongMetrics.entrySet()) { |
| metrics.put(entry.getKey(), getLongMedian(entry.getValue()).toString()); |
| } |
| for (Map.Entry<String, List<Float>> entry : mFloatMetrics.entrySet()) { |
| metrics.put(entry.getKey(), getFloatMedian(entry.getValue()).toString()); |
| } |
| |
| LogUtil.CLog.i("About to report metrics: %s", metrics); |
| listener.testRunStarted(mRunName, 0); |
| listener.testRunEnded(0, TfMetricProtoUtil.upgradeConvert(metrics)); |
| } |
| |
| private static Long getLongMedian(List<Long> items) { |
| Collections.sort(items); |
| int medianEntry = items.size() / 2; |
| return items.get(medianEntry); |
| } |
| |
| private static Float getFloatMedian(List<Float> items) { |
| Collections.sort(items); |
| int medianEntry = items.size() / 2; |
| return items.get(medianEntry); |
| } |
| |
| @Override |
| public String toString() { |
| return mLongMetrics.toString() + "," + mFloatMetrics.toString(); |
| } |
| } |