| /* |
| * 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 com.android.tradefed.retry; |
| |
| import com.android.tradefed.testtype.IRemoteTest; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Structure holding the statistics for a retry session of one {@link IRemoteTest}. Not all fields |
| * might be populated depending of the {@link com.android.tradefed.retry.RetryStrategy}. |
| */ |
| public class RetryStatistics { |
| // The time spent in retry. Always populated if retries or iterations occurred |
| public long mRetryTime = 0L; |
| public Map<Integer, Long> mAttemptIsolationCost = new HashMap<>(); |
| |
| // Success and failure counts. Populated for RETRY_ANY_FAILURE. |
| public long mRetrySuccess = 0L; |
| public long mRetryFailure = 0L; |
| |
| /** Helper method to aggregate the statistics of several retries. */ |
| public static final RetryStatistics aggregateStatistics(List<RetryStatistics> stats) { |
| RetryStatistics aggregatedStats = new RetryStatistics(); |
| for (RetryStatistics s : stats) { |
| aggregatedStats.mRetryTime += s.mRetryTime; |
| aggregatedStats.mRetrySuccess += s.mRetrySuccess; |
| aggregatedStats.mRetryFailure += s.mRetryFailure; |
| } |
| return aggregatedStats; |
| } |
| |
| public static long isolationCostPerAttempt(int attempt, List<RetryStatistics> stats) { |
| long isolationCost = 0L; |
| for (RetryStatistics s : stats) { |
| Long attemptCost = s.mAttemptIsolationCost.get(attempt); |
| if (attemptCost != null) { |
| isolationCost += attemptCost; |
| } |
| } |
| return isolationCost; |
| } |
| } |