1 /* 2 * Copyright (C) 2017 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.os; 18 19 /** {@hide} */ 20 interface IPerfProfd { 21 /** 22 * Start continuous profiling with the given parameters. 23 */ 24 void startProfiling(int collectionInterval, int iterations, 25 int process, int samplingPeriod, int samplingFrequency, 26 int sampleDuration, boolean stackProfile, 27 boolean useElfSymbolizer, boolean sendToDropbox); 28 29 /** 30 * Start continuous profiling with the given encoded parameters. 31 * Parameters should be encoded in the ConfigReader syntax, 32 * separated by colons. 33 */ 34 void startProfilingString(String config); 35 36 /** 37 * Start profiling with the parameters in the given protobuf. 38 */ 39 void startProfilingProtobuf(in byte[] config_proto); 40 41 /** 42 * Stop an active profiling session. 43 */ 44 void stopProfiling(); 45 } 46
