19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Allocation tracking and reporting. We maintain a circular buffer with 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the most recent allocations. The data can be viewed through DDMS. 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There are two basic approaches: manage the buffer with atomic updates 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and do a system-wide suspend when DDMS requests it, or protect all 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * accesses with a mutex. The former is potentially more efficient, but 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the latter is much simpler and more reliable. 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ideally we'd just use the object heap allocation mutex to guard this 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * structure, but at the point we grab that (under dvmMalloc()) we're just 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allocating a collection of bytes and no longer have the class reference. 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Because this is an optional feature it's best to leave the existing 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code undisturbed and just use an additional lock. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We don't currently track allocations of class objects. We could, but 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the possible exception of Proxy objects they're not that interesting. 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: if we add support for class unloading, we need to add the class 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * references here to the root set (or just disable class unloading while 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is active). 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: consider making the parameters configurable, so DDMS can decide 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * how many allocations it wants to see and what the stack depth should be. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Changing the window size is easy, changing the max stack depth is harder 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * because we go from an array of fixed-size structs to variable-sized data. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 441bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn#include "Dalvik.h" 45b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project 46b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project#define kMaxAllocRecordStackDepth 16 /* max 255 */ 471bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn#define kNumAllocRecords 512 /* MUST be power of 2 */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Record the details of an allocation. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct AllocRecord { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ClassObject* clazz; /* class allocated in this block */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u4 size; /* total size requested */ 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u2 threadId; /* simple thread ID; could be recycled */ 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /* stack trace elements; unused entries have method==NULL */ 58d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy struct { 59d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy const Method* method; /* which method we're executing in */ 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pc; /* current execution offset, in 16-bit units */ 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } stackElem[kMaxAllocRecordStackDepth]; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This was going to be either wall-clock time in seconds or monotonic 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * time in milliseconds since the VM started, to give a rough sense for 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * how long ago an allocation happened. This adds a system call per 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allocation, which is too much overhead. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //u4 timestamp; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Initialize a few things. This gets called early, so keep activity to 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a minimum. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool dvmAllocTrackerStartup() 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* prep locks */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmInitMutex(&gDvm.allocTrackerLock); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* initialized when enabled by DDMS */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gDvm.allocRecords == NULL); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Release anything we're holding on to. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid dvmAllocTrackerShutdown() 910a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy{ 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(gDvm.allocRecords); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmDestroyMutex(&gDvm.allocTrackerLock); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Collection 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enable allocation tracking. Does nothing if tracking is already enabled. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns "true" on success. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool dvmEnableAllocTracker() 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool result = true; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmLockMutex(&gDvm.allocTrackerLock); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecords == NULL) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGI("Enabling alloc tracker (%d entries, %d frames --> %d bytes)", 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kNumAllocRecords, kMaxAllocRecordStackDepth, 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizeof(AllocRecord) * kNumAllocRecords); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecordHead = gDvm.allocRecordCount = 0; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecords = 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AllocRecord*) malloc(sizeof(AllocRecord) * kNumAllocRecords); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecords == NULL) 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = false; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1280a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disable allocation tracking. Does nothing if tracking is not enabled. 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid dvmDisableAllocTracker() 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmLockMutex(&gDvm.allocTrackerLock); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecords != NULL) { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(gDvm.allocRecords); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecords = NULL; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the last few stack frames. 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void getStackFrames(Thread* self, AllocRecord* pRec) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int stackDepth = 0; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* fp; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fp = self->interpSave.curFrame; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((fp != NULL) && (stackDepth < kMaxAllocRecordStackDepth)) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Method* method = saveArea->method; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!dvmIsBreakFrame((u4*) fp)) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[stackDepth].method = method; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dvmIsNativeMethod(method)) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[stackDepth].pc = 0; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(saveArea->xtra.currentPc >= method->insns && 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveArea->xtra.currentPc < 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project method->insns + dvmGetMethodInsnsSize(method)); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[stackDepth].pc = 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int) (saveArea->xtra.currentPc - method->insns); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stackDepth++; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(fp != saveArea->prevFrame); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fp = saveArea->prevFrame; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* clear out the rest (normally there won't be any) */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (stackDepth < kMaxAllocRecordStackDepth) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[stackDepth].method = NULL; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[stackDepth].pc = 0; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stackDepth++; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a new allocation to the set. 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid dvmDoTrackAllocation(ClassObject* clazz, size_t size) 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread* self = dvmThreadSelf(); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (self == NULL) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGW("alloc tracker: no thread"); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmLockMutex(&gDvm.allocTrackerLock); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecords == NULL) { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* advance and clip */ 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (++gDvm.allocRecordHead == kNumAllocRecords) 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecordHead = 0; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AllocRecord* pRec = &gDvm.allocRecords[gDvm.allocRecordHead]; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->clazz = clazz; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->size = size; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->threadId = self->threadId; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getStackFrames(self, pRec); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecordCount < kNumAllocRecords) 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecordCount++; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Reporting 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectThe data we send to DDMS contains everything we have recorded. 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectMessage header (all values big-endian): 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (1b) message header len (to allow future expansion); includes itself 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (1b) entry header len 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (1b) stack frame len 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) number of entries 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (4b) offset to string table from start of message 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) number of class name strings 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) number of method name strings 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) number of source file name strings 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project For each entry: 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (4b) total allocation size 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) threadId 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) allocated object's class name index 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (1b) stack depth 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project For each stack frame: 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) method's class name 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) method name 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) method source file 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (2b) line number, clipped to 32767; -2 if native; -1 if no source 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (xb) class name strings 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (xb) method name strings 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (xb) source file strings 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project As with other DDM traffic, strings are sent as a 4-byte length 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project followed by UTF-16 data. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectWe send up 16-bit unsigned indexes into string tables. In theory there 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectcan be (kMaxAllocRecordStackDepth * kNumAllocRecords) unique strings in 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecteach table, but in practice there should be far fewer. 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectThe chief reason for using a string table here is to keep the size of 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectthe DDMS message to a minimum. This is partly to make the protocol 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectefficient, but also because we have to form the whole thing up all at 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectonce in a memory buffer. 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectWe use separate string tables for class names, method names, and source 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectfiles to keep the indexes small. There will generally be no overlap 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbetween the contents of these tables. 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst int kMessageHeaderLen = 15; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst int kEntryHeaderLen = 9; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst int kStackFrameLen = 8; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the index of the head element. 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We point at the most-recently-written record, so if allocRecordCount is 1 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we want to use the current element. Take "head+1" and subtract count 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from it. 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We need to handle underflow in our circular buffer, so we add 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * kNumAllocRecords and then mask it back down. 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectinline static int headIndex() 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (gDvm.allocRecordHead+1 + kNumAllocRecords - gDvm.allocRecordCount) 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project & (kNumAllocRecords-1); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Dump the contents of a PointerSet full of character pointers. 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void dumpStringTable(PointerSet* strings) 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = dvmPointerSetGetCount(strings); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < count; i++) 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" %s\n", (const char*) dvmPointerSetGetEntry(strings, i)); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the method's source file. If we don't know it, return "" instead 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of a NULL pointer. 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* getMethodSourceFile(const Method* method) 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* fileName = dvmGetMethodSourceFile(method); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileName == NULL) 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileName = ""; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fileName; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Generate string tables. 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Our source material is UTF-8 string constants from DEX files. If we 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to be thorough we can generate a hash value for each string and 3160a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * use the VM hash table implementation, or we can do a quick & dirty job 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by just maintaining a list of unique pointers. If the same string 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constant appears in multiple DEX files we'll end up with duplicates, 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but in practice this shouldn't matter (and if it does, we can uniq-sort 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the result in a second pass). 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool populateStringTables(PointerSet* classNames, 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PointerSet* methodNames, PointerSet* fileNames) 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = gDvm.allocRecordCount; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = headIndex(); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int classCount, methodCount, fileCount; /* debug stats */ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project classCount = methodCount = fileCount = 0; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (count--) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AllocRecord* pRec = &gDvm.allocRecords[idx]; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetAddEntry(classNames, pRec->clazz->descriptor); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project classCount++; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < kMaxAllocRecordStackDepth; i++) { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pRec->stackElem[i].method == NULL) 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Method* method = pRec->stackElem[i].method; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetAddEntry(classNames, method->clazz->descriptor); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project classCount++; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetAddEntry(methodNames, method->name); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methodCount++; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetAddEntry(fileNames, getMethodSourceFile(method)); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileCount++; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project idx = (idx + 1) & (kNumAllocRecords-1); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGI("class %d/%d, method %d/%d, file %d/%d", 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetGetCount(classNames), classCount, 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetGetCount(methodNames), methodCount, 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetGetCount(fileNames), fileCount); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Generate the base info (i.e. everything but the string tables). 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This should be called twice. On the first call, "ptr" is NULL and 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "baseLen" is zero. The return value is used to allocate a buffer. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * On the second call, "ptr" points to a data buffer, and "baseLen" 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * holds the value from the result of the first call. 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of the output data is returned. 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic size_t generateBaseOutput(u1* ptr, size_t baseLen, 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const PointerSet* classNames, const PointerSet* methodNames, 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const PointerSet* fileNames) 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u1* origPtr = ptr; 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = gDvm.allocRecordCount; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = headIndex(); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (origPtr != NULL) { 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set1(&ptr[0], kMessageHeaderLen); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set1(&ptr[1], kEntryHeaderLen); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set1(&ptr[2], kStackFrameLen); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[3], count); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set4BE(&ptr[5], baseLen); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[9], dvmPointerSetGetCount(classNames)); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[11], dvmPointerSetGetCount(methodNames)); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[13], dvmPointerSetGetCount(fileNames)); 3890a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ptr += kMessageHeaderLen; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (count--) { 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AllocRecord* pRec = &gDvm.allocRecords[idx]; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* compute depth */ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int depth; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (depth = 0; depth < kMaxAllocRecordStackDepth; depth++) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pRec->stackElem[depth].method == NULL) 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* output header */ 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (origPtr != NULL) { 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set4BE(&ptr[0], pRec->size); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[4], pRec->threadId); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[6], 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetFind(classNames, pRec->clazz->descriptor)); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set1(&ptr[8], depth); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ptr += kEntryHeaderLen; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* convert stack frames */ 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < depth; i++) { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (origPtr != NULL) { 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Method* method = pRec->stackElem[i].method; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lineNum; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lineNum = dvmLineNumFromPC(method, pRec->stackElem[i].pc); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lineNum > 32767) 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lineNum = 32767; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[0], dvmPointerSetFind(classNames, 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project method->clazz->descriptor)); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(&ptr[2], dvmPointerSetFind(methodNames, 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project method->name)); 427d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy set2BE(&ptr[4], dvmPointerSetFind(fileNames, 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getMethodSourceFile(method))); 429d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy set2BE(&ptr[6], (u2)lineNum); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ptr += kStackFrameLen; 4321bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 4331bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 4346dfed24158b8fc9150abee23992db621cd82aa43Romain Guy idx = (idx + 1) & (kNumAllocRecords-1); 4356dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 4364296fc4d326447875c26a925f12b3935632f13bbRomain Guy 4374296fc4d326447875c26a925f12b3935632f13bbRomain Guy return ptr - origPtr; 43821875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy} 43921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 4406dfed24158b8fc9150abee23992db621cd82aa43Romain Guy/* 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compute the size required to store a string table. Includes the length 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * word and conversion to UTF-16. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic size_t computeStringTableSize(PointerSet* strings) 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = dvmPointerSetGetCount(strings); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t size = 0; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < count; i++) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = (const char*) dvmPointerSetGetEntry(strings, i); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size += 4 + dvmUtf8Len(str) * 2; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convert a UTF-8 string to UTF-16. We also need to byte-swap the values 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to big-endian, and we can't assume even alignment on the target. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the string's length, in characters. 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int convertUtf8ToUtf16BEUA(u1* utf16Str, const char* utf8Str) 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u1* origUtf16Str = utf16Str; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*utf8Str != '\0') { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u2 utf16 = dexGetUtf16FromUtf8(&utf8Str); /* advances utf8Str */ 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set2BE(utf16Str, utf16); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project utf16Str += 2; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (utf16Str - origUtf16Str) / 2; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Output a string table serially. 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic size_t outputStringTable(PointerSet* strings, u1* ptr) 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = dvmPointerSetGetCount(strings); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u1* origPtr = ptr; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < count; i++) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = (const char*) dvmPointerSetGetEntry(strings, i); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int charLen; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* copy UTF-8 string to big-endian unaligned UTF-16 */ 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project charLen = convertUtf8ToUtf16BEUA(&ptr[4], str); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project set4BE(&ptr[0], charLen); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ptr += 4 + charLen * 2; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ptr - origPtr; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Generate a DDM packet with all of the tracked allocation data. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * On success, returns "true" with "*pData" and "*pDataLen" set. 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool dvmGenerateTrackedAllocationReport(u1** pData, size_t* pDataLen) 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool result = false; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u1* buffer = NULL; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmLockMutex(&gDvm.allocTrackerLock); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Part 1: generate string tables. 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PointerSet* classNames = NULL; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PointerSet* methodNames = NULL; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PointerSet* fileNames = NULL; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Allocate storage. Usually there's 60-120 of each thing (sampled 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when max=512), but it varies widely and isn't closely bound to 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the number of allocations we've captured. The sets expand quickly 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if needed. 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project classNames = dvmPointerSetAlloc(128); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methodNames = dvmPointerSetAlloc(128); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileNames = dvmPointerSetAlloc(128); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (classNames == NULL || methodNames == NULL || fileNames == NULL) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGE("Failed allocating pointer sets"); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5340a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (!populateStringTables(classNames, methodNames, fileNames)) 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Classes:\n"); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dumpStringTable(classNames); 540d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy printf("Methods:\n"); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dumpStringTable(methodNames); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Files:\n"); 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dumpStringTable(fileNames); 544d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 545d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 546df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy /* 547d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Part 2: compute the size of the output. 548d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * 549d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * (Could also just write to an expanding buffer.) 550d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 551d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy size_t baseSize, totalSize; 5524296fc4d326447875c26a925f12b3935632f13bbRomain Guy baseSize = generateBaseOutput(NULL, 0, classNames, methodNames, fileNames); 5534296fc4d326447875c26a925f12b3935632f13bbRomain Guy assert(baseSize > 0); 5544296fc4d326447875c26a925f12b3935632f13bbRomain Guy totalSize = baseSize; 5554296fc4d326447875c26a925f12b3935632f13bbRomain Guy totalSize += computeStringTableSize(classNames); 556d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy totalSize += computeStringTableSize(methodNames); 557d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy totalSize += computeStringTableSize(fileNames); 5580a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy ALOGI("Generated AT, size is %zd/%zd", baseSize, totalSize); 559d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 5600a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy /* 5610a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Part 3: allocate a buffer and generate the output. 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5630a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy u1* strPtr; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer = (u1*) malloc(totalSize); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strPtr = buffer + baseSize; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project generateBaseOutput(buffer, baseSize, classNames, methodNames, fileNames); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strPtr += outputStringTable(classNames, strPtr); 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strPtr += outputStringTable(methodNames, strPtr); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strPtr += outputStringTable(fileNames, strPtr); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strPtr - buffer != (int)totalSize) { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGE("size mismatch (%d vs %zd)", strPtr - buffer, totalSize); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmAbort(); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //dvmPrintHexDump(buffer, totalSize); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pData = buffer; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pDataLen = totalSize; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer = NULL; // don't free -- caller will own 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = true; 5810a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbail: 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetFree(classNames); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetFree(methodNames); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmPointerSetFree(fileNames); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //dvmDumpTrackedAllocations(false); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5910a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Dump the tracked allocations to the log file. 5940a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If "enable" is set, we try to enable the feature if it's not already 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * active. 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid dvmDumpTrackedAllocations(bool enable) 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enable) 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmEnableAllocTracker(); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmLockMutex(&gDvm.allocTrackerLock); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gDvm.allocRecords == NULL) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "idx" is the head of the list. We want to start at the end of the 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * list and move forward to the tail. 6120a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy */ 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = headIndex(); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = gDvm.allocRecordCount; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6160a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy ALOGI("Tracked allocations, (head=%d count=%d)", 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gDvm.allocRecordHead, count); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (count--) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AllocRecord* pRec = &gDvm.allocRecords[idx]; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGI(" T=%-2d %6d %s", 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->threadId, pRec->size, pRec->clazz->descriptor); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (true) { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < kMaxAllocRecordStackDepth; i++) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pRec->stackElem[i].method == NULL) 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Method* method = pRec->stackElem[i].method; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dvmIsNativeMethod(method)) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGI(" %s.%s (Native)", 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project method->clazz->descriptor, method->name); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGI(" %s.%s +%d", 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project method->clazz->descriptor, method->name, 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pRec->stackElem[i].pc); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* pause periodically to help logcat catch up */ 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((count % 5) == 0) 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(40000); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project idx = (idx + 1) & (kNumAllocRecords-1); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dvmUnlockMutex(&gDvm.allocTrackerLock); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u1* data; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t dataLen; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dvmGenerateTrackedAllocationReport(&data, &dataLen)) 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(data); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project