1 /* <lambda>null2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.tools.common.traces.surfaceflinger 18 19 import android.tools.common.ITrace 20 import android.tools.common.Timestamp 21 import kotlin.js.JsExport 22 import kotlin.js.JsName 23 24 @JsExport 25 class TransactionsTrace(override val entries: Array<TransactionsTraceEntry>) : 26 ITrace<TransactionsTraceEntry> { 27 28 init { 29 val alwaysIncreasing = 30 entries 31 .toList() 32 .zipWithNext { prev, next -> 33 prev.timestamp.elapsedNanos < next.timestamp.elapsedNanos 34 } 35 .all { it } 36 require(alwaysIncreasing) { "Transaction timestamp not always increasing..." } 37 } 38 39 @JsName("allTransactions") 40 val allTransactions: List<Transaction> = entries.toList().flatMap { it.transactions.toList() } 41 42 override fun slice(startTimestamp: Timestamp, endTimestamp: Timestamp): TransactionsTrace { 43 return TransactionsTrace( 44 entries 45 .dropWhile { it.timestamp < startTimestamp } 46 .dropLastWhile { it.timestamp > endTimestamp } 47 .toTypedArray() 48 ) 49 } 50 } 51