1 /* 2 * Copyright (C) 2008 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 #ifndef DALVIK_HPROF_HPROF_H_ 17 #define DALVIK_HPROF_HPROF_H_ 18 19 #include "Dalvik.h" 20 21 #define HPROF_ID_SIZE (sizeof (u4)) 22 23 #define UNIQUE_ERROR() \ 24 -((((uintptr_t)__func__) << 16 | __LINE__) & (0x7fffffff)) 25 26 #define HPROF_TIME 0 27 #define HPROF_NULL_STACK_TRACE 0 28 #define HPROF_NULL_THREAD 0 29 30 typedef u4 hprof_id; 31 typedef hprof_id hprof_string_id; 32 typedef hprof_id hprof_object_id; 33 typedef hprof_id hprof_class_object_id; 34 35 enum hprof_basic_type { 36 hprof_basic_object = 2, 37 hprof_basic_boolean = 4, 38 hprof_basic_char = 5, 39 hprof_basic_float = 6, 40 hprof_basic_double = 7, 41 hprof_basic_byte = 8, 42 hprof_basic_short = 9, 43 hprof_basic_int = 10, 44 hprof_basic_long = 11, 45 }; 46 47 enum hprof_tag_t { 48 HPROF_TAG_STRING = 0x01, 49 HPROF_TAG_LOAD_CLASS = 0x02, 50 HPROF_TAG_UNLOAD_CLASS = 0x03, 51 HPROF_TAG_STACK_FRAME = 0x04, 52 HPROF_TAG_STACK_TRACE = 0x05, 53 HPROF_TAG_ALLOC_SITES = 0x06, 54 HPROF_TAG_HEAP_SUMMARY = 0x07, 55 HPROF_TAG_START_THREAD = 0x0A, 56 HPROF_TAG_END_THREAD = 0x0B, 57 HPROF_TAG_HEAP_DUMP = 0x0C, 58 HPROF_TAG_HEAP_DUMP_SEGMENT = 0x1C, 59 HPROF_TAG_HEAP_DUMP_END = 0x2C, 60 HPROF_TAG_CPU_SAMPLES = 0x0D, 61 HPROF_TAG_CONTROL_SETTINGS = 0x0E, 62 }; 63 64 /* Values for the first byte of 65 * HEAP_DUMP and HEAP_DUMP_SEGMENT 66 * records: 67 */ 68 enum hprof_heap_tag_t { 69 /* standard */ 70 HPROF_ROOT_UNKNOWN = 0xFF, 71 HPROF_ROOT_JNI_GLOBAL = 0x01, 72 HPROF_ROOT_JNI_LOCAL = 0x02, 73 HPROF_ROOT_JAVA_FRAME = 0x03, 74 HPROF_ROOT_NATIVE_STACK = 0x04, 75 HPROF_ROOT_STICKY_CLASS = 0x05, 76 HPROF_ROOT_THREAD_BLOCK = 0x06, 77 HPROF_ROOT_MONITOR_USED = 0x07, 78 HPROF_ROOT_THREAD_OBJECT = 0x08, 79 HPROF_CLASS_DUMP = 0x20, 80 HPROF_INSTANCE_DUMP = 0x21, 81 HPROF_OBJECT_ARRAY_DUMP = 0x22, 82 HPROF_PRIMITIVE_ARRAY_DUMP = 0x23, 83 84 /* Android */ 85 HPROF_HEAP_DUMP_INFO = 0xfe, 86 HPROF_ROOT_INTERNED_STRING = 0x89, 87 HPROF_ROOT_FINALIZING = 0x8a, /* obsolete */ 88 HPROF_ROOT_DEBUGGER = 0x8b, 89 HPROF_ROOT_REFERENCE_CLEANUP = 0x8c, /* obsolete */ 90 HPROF_ROOT_VM_INTERNAL = 0x8d, 91 HPROF_ROOT_JNI_MONITOR = 0x8e, 92 HPROF_UNREACHABLE = 0x90, /* obsolete */ 93 HPROF_PRIMITIVE_ARRAY_NODATA_DUMP = 0xc3, 94 }; 95 96 /* Represents a top-level hprof record, whose serialized 97 * format is: 98 * 99 * u1 TAG: denoting the type of the record 100 * u4 TIME: number of microseconds since the time stamp in the header 101 * u4 LENGTH: number of bytes that follow this u4 field 102 * and belong to this record 103 * [u1]* BODY: as many bytes as specified in the above u4 field 104 */ 105 struct hprof_record_t { 106 unsigned char *body; 107 u4 time; 108 u4 length; 109 size_t allocLen; 110 u1 tag; 111 bool dirty; 112 }; 113 114 enum HprofHeapId { 115 HPROF_HEAP_DEFAULT = 0, 116 HPROF_HEAP_ZYGOTE = 'Z', 117 HPROF_HEAP_APP = 'A' 118 }; 119 120 struct hprof_context_t { 121 /* curRec *must* be first so that we 122 * can cast from a context to a record. 123 */ 124 hprof_record_t curRec; 125 126 u4 gcThreadSerialNumber; 127 u1 gcScanState; 128 HprofHeapId currentHeap; // which heap we're currently emitting 129 u4 stackTraceSerialNumber; 130 size_t objectsInSegment; 131 132 /* 133 * If directToDdms is set, "fileName" and "fd" will be ignored. 134 * Otherwise, "fileName" must be valid, though if "fd" >= 0 it will 135 * only be used for debug messages. 136 */ 137 bool directToDdms; 138 char *fileName; 139 char *fileDataPtr; // for open_memstream 140 size_t fileDataSize; // for open_memstream 141 FILE *memFp; 142 int fd; 143 }; 144 145 146 /* 147 * HprofString.cpp functions 148 */ 149 150 hprof_string_id hprofLookupStringId(const char *str); 151 152 int hprofDumpStrings(hprof_context_t *ctx); 153 154 int hprofStartup_String(void); 155 int hprofShutdown_String(void); 156 157 158 /* 159 * HprofClass.cpp functions 160 */ 161 162 hprof_class_object_id hprofLookupClassId(const ClassObject *clazz); 163 164 int hprofDumpClasses(hprof_context_t *ctx); 165 166 int hprofStartup_Class(void); 167 int hprofShutdown_Class(void); 168 169 170 /* 171 * HprofHeap.cpp functions 172 */ 173 174 int hprofStartHeapDump(hprof_context_t *ctx); 175 int hprofFinishHeapDump(hprof_context_t *ctx); 176 177 int hprofSetGcScanState(hprof_context_t *ctx, 178 hprof_heap_tag_t state, u4 threadSerialNumber); 179 void hprofMarkRootObject(hprof_context_t *ctx, 180 const Object *obj, jobject jniObj); 181 182 int hprofDumpHeapObject(hprof_context_t *ctx, const Object *obj); 183 184 /* 185 * HprofOutput.cpp functions 186 */ 187 188 void hprofContextInit(hprof_context_t *ctx, char *fileName, int fd, 189 bool writeHeader, bool directToDdms); 190 191 int hprofFlushRecord(hprof_record_t *rec, FILE *fp); 192 int hprofFlushCurrentRecord(hprof_context_t *ctx); 193 int hprofStartNewRecord(hprof_context_t *ctx, u1 tag, u4 time); 194 195 int hprofAddU1ToRecord(hprof_record_t *rec, u1 value); 196 int hprofAddU1ListToRecord(hprof_record_t *rec, 197 const u1 *values, size_t numValues); 198 199 int hprofAddUtf8StringToRecord(hprof_record_t *rec, const char *str); 200 201 int hprofAddU2ToRecord(hprof_record_t *rec, u2 value); 202 int hprofAddU2ListToRecord(hprof_record_t *rec, 203 const u2 *values, size_t numValues); 204 205 int hprofAddU4ToRecord(hprof_record_t *rec, u4 value); 206 int hprofAddU4ListToRecord(hprof_record_t *rec, 207 const u4 *values, size_t numValues); 208 209 int hprofAddU8ToRecord(hprof_record_t *rec, u8 value); 210 int hprofAddU8ListToRecord(hprof_record_t *rec, 211 const u8 *values, size_t numValues); 212 213 #define hprofAddIdToRecord(rec, id) hprofAddU4ToRecord((rec), (u4)(id)) 214 #define hprofAddIdListToRecord(rec, values, numValues) \ 215 hprofAddU4ListToRecord((rec), (const u4 *)(values), (numValues)) 216 217 /* 218 * Hprof.cpp functions 219 */ 220 221 hprof_context_t* hprofStartup(const char *outputFileName, int fd, 222 bool directToDdms); 223 bool hprofShutdown(hprof_context_t *ctx); 224 void hprofFreeContext(hprof_context_t *ctx); 225 int hprofDumpHeap(const char* fileName, int fd, bool directToDdms); 226 227 #endif // DALVIK_HPROF_HPROF_H_ 228