1 /* 2 * 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 @file:OptIn( 18 androidx.benchmark.perfetto.ExperimentalPerfettoCaptureApi::class, 19 androidx.benchmark.traceprocessor.ExperimentalTraceProcessorApi::class, 20 ) 21 22 package android.tools.traces.parsers.perfetto 23 24 import android.tools.io.TraceType 25 import android.tools.withTracing 26 import androidx.benchmark.traceprocessor.PerfettoTrace 27 import androidx.benchmark.traceprocessor.TraceProcessor 28 import androidx.benchmark.macro.runServer 29 import java.io.File 30 import java.io.FileOutputStream 31 32 typealias Row = Map<String, Any?> 33 34 class TraceProcessorSession(val session: TraceProcessor.Session) { 35 querynull36 fun <T> query(sql: String, predicate: (List<Row>) -> T): T { 37 return withTracing("TraceProcessorSession#query") { 38 val rows = session.query(sql) 39 predicate(rows.toList()) 40 } 41 } 42 43 companion object { 44 @JvmStatic loadPerfettoTracenull45 fun <T> loadPerfettoTrace(trace: ByteArray, predicate: (TraceProcessorSession) -> T): T { 46 return withTracing("TraceProcessorSession#loadPerfettoTrace") { 47 val traceFile = File.createTempFile(TraceType.SF.fileName, "") 48 FileOutputStream(traceFile).use { it.write(trace) } 49 val result = 50 TraceProcessor.runServer { 51 loadTrace(PerfettoTrace(traceFile.absolutePath)) { 52 predicate(TraceProcessorSession(this)) 53 } 54 } 55 result 56 } 57 } 58 } 59 }