17b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project/* 27b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Copyright (C) 2009 The Android Open Source Project 37b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * 47b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 57b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * you may not use this file except in compliance with the License. 67b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * You may obtain a copy of the License at 77b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * 87b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 97b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * 107b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 117b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 127b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * See the License for the specific language governing permissions and 147b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * limitations under the License. 157b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 167b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 177b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectpackage android.ddm; 187b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 197b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport org.apache.harmony.dalvik.ddmc.Chunk; 207b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport org.apache.harmony.dalvik.ddmc.ChunkHandler; 217b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport org.apache.harmony.dalvik.ddmc.DdmServer; 227b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport android.os.Debug; 237b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport android.util.Log; 247b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport java.io.IOException; 257b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectimport java.nio.ByteBuffer; 267b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 277b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project/** 287b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Handle profiling requests. 297b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 307b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Projectpublic class DdmHandleProfiling extends ChunkHandler { 317b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 327b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public static final int CHUNK_MPRS = type("MPRS"); 337b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public static final int CHUNK_MPRE = type("MPRE"); 3472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden public static final int CHUNK_MPSS = type("MPSS"); 3572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden public static final int CHUNK_MPSE = type("MPSE"); 367b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public static final int CHUNK_MPRQ = type("MPRQ"); 377b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 387b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project private static DdmHandleProfiling mInstance = new DdmHandleProfiling(); 397b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 407b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 417b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* singleton, do not instantiate */ 427b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project private DdmHandleProfiling() {} 437b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 447b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /** 457b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Register for the messages we're interested in. 467b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 477b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public static void register() { 487b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project DdmServer.registerHandler(CHUNK_MPRS, mInstance); 497b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project DdmServer.registerHandler(CHUNK_MPRE, mInstance); 5072a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden DdmServer.registerHandler(CHUNK_MPSS, mInstance); 5172a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden DdmServer.registerHandler(CHUNK_MPSE, mInstance); 527b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project DdmServer.registerHandler(CHUNK_MPRQ, mInstance); 537b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 547b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 557b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /** 567b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Called when the DDM server connects. The handler is allowed to 577b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * send messages to the server. 587b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 597b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public void connected() {} 607b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 617b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /** 627b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Called when the DDM server disconnects. Can be used to disable 637b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * periodic transmissions or clean up saved state. 647b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 657b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public void disconnected() {} 667b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 677b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /** 687b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Handle a chunk of data. 697b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 707b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project public Chunk handleChunk(Chunk request) { 7143a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato if (false) 727b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project Log.v("ddm-heap", "Handling " + name(request.type) + " chunk"); 737b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project int type = request.type; 747b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 757b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project if (type == CHUNK_MPRS) { 767b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return handleMPRS(request); 777b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } else if (type == CHUNK_MPRE) { 787b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return handleMPRE(request); 7972a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } else if (type == CHUNK_MPSS) { 8072a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return handleMPSS(request); 8172a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } else if (type == CHUNK_MPSE) { 8272a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return handleMPSE(request); 837b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } else if (type == CHUNK_MPRQ) { 847b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return handleMPRQ(request); 857b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } else { 867b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project throw new RuntimeException("Unknown packet " 877b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project + ChunkHandler.name(type)); 887b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 897b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 907b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 917b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* 927b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Handle a "Method PRofiling Start" request. 937b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 947b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project private Chunk handleMPRS(Chunk request) { 957b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project ByteBuffer in = wrapChunk(request); 967b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 977b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project int bufferSize = in.getInt(); 987b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project int flags = in.getInt(); 997b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project int len = in.getInt(); 1007b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project String fileName = getString(in, len); 10143a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato if (false) 1027b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project Log.v("ddm-heap", "Method profiling start: filename='" + fileName 1037b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project + "', size=" + bufferSize + ", flags=" + flags); 1047b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1057b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project try { 1067b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project Debug.startMethodTracing(fileName, bufferSize, flags); 1077b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return null; // empty response 1087b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } catch (RuntimeException re) { 1097b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return createFailChunk(1, re.getMessage()); 1107b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 1117b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 1127b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1137b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* 1147b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Handle a "Method PRofiling End" request. 1157b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 1167b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project private Chunk handleMPRE(Chunk request) { 1177b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project byte result; 1187b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1197b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project try { 1207b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project Debug.stopMethodTracing(); 1217b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project result = 0; 1227b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } catch (RuntimeException re) { 1237b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project Log.w("ddm-heap", "Method profiling end failed: " 1247b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project + re.getMessage()); 1257b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project result = 1; 1267b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 1277b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1287b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* create a non-empty reply so the handler fires on completion */ 1297b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project byte[] reply = { result }; 1307b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return new Chunk(CHUNK_MPRE, reply, 0, reply.length); 1317b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 1327b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1337b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* 13472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden * Handle a "Method Profiling w/Streaming Start" request. 13572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden */ 13672a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden private Chunk handleMPSS(Chunk request) { 13772a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden ByteBuffer in = wrapChunk(request); 13872a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 13972a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden int bufferSize = in.getInt(); 14072a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden int flags = in.getInt(); 14143a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato if (false) { 14272a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden Log.v("ddm-heap", "Method prof stream start: size=" + bufferSize 14372a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden + ", flags=" + flags); 14472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 14572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 14672a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden try { 14772a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden Debug.startMethodTracingDdms(bufferSize, flags); 14872a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return null; // empty response 14972a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } catch (RuntimeException re) { 15072a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return createFailChunk(1, re.getMessage()); 15172a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 15272a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 15372a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 15472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden /* 15572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden * Handle a "Method Profiling w/Streaming End" request. 15672a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden */ 15772a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden private Chunk handleMPSE(Chunk request) { 15872a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden byte result; 15972a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 16043a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato if (false) { 16172a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden Log.v("ddm-heap", "Method prof stream end"); 16272a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 16372a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 16472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden try { 16572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden Debug.stopMethodTracing(); 16672a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden result = 0; 16772a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } catch (RuntimeException re) { 16872a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden Log.w("ddm-heap", "Method prof stream end failed: " 16972a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden + re.getMessage()); 17072a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return createFailChunk(1, re.getMessage()); 17172a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 17272a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 17372a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden /* VM sent the (perhaps very large) response directly */ 17472a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden return null; 17572a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden } 17672a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden 17772a20db0c71c6bddaa9fd2e4046242fc9d540e1cAndy McFadden /* 1787b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project * Handle a "Method PRofiling Query" request. 1797b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project */ 1807b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project private Chunk handleMPRQ(Chunk request) { 1817b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project int result = Debug.isMethodTracingActive() ? 1 : 0; 1827b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 1837b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project /* create a non-empty reply so the handler fires on completion */ 1847b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project byte[] reply = { (byte) result }; 1857b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project return new Chunk(CHUNK_MPRQ, reply, 0, reply.length); 1867b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project } 1877b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project} 1887b0b1ed979aa665175bf3952c8902ce13c763ab8The Android Open Source Project 189