ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1 | // Copyright 2009-2010 the V8 project authors. All rights reserved. |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "heap-profiler.h" |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 31 | #include "profile-generator.h" |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 32 | |
| 33 | namespace v8 { |
| 34 | namespace internal { |
| 35 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 36 | HeapProfiler::HeapProfiler() |
| 37 | : snapshots_(new HeapSnapshotsCollection()), |
| 38 | next_snapshot_uid_(1) { |
| 39 | } |
| 40 | |
| 41 | |
| 42 | HeapProfiler::~HeapProfiler() { |
| 43 | delete snapshots_; |
| 44 | } |
| 45 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 46 | |
| 47 | void HeapProfiler::ResetSnapshots() { |
| 48 | delete snapshots_; |
| 49 | snapshots_ = new HeapSnapshotsCollection(); |
| 50 | } |
| 51 | |
| 52 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 53 | void HeapProfiler::SetUp() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 54 | Isolate* isolate = Isolate::Current(); |
| 55 | if (isolate->heap_profiler() == NULL) { |
| 56 | isolate->set_heap_profiler(new HeapProfiler()); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 57 | } |
| 58 | } |
| 59 | |
| 60 | |
| 61 | void HeapProfiler::TearDown() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 62 | Isolate* isolate = Isolate::Current(); |
| 63 | delete isolate->heap_profiler(); |
| 64 | isolate->set_heap_profiler(NULL); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 68 | HeapSnapshot* HeapProfiler::TakeSnapshot(const char* name, |
| 69 | int type, |
| 70 | v8::ActivityControl* control) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 71 | ASSERT(Isolate::Current()->heap_profiler() != NULL); |
| 72 | return Isolate::Current()->heap_profiler()->TakeSnapshotImpl(name, |
| 73 | type, |
| 74 | control); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 78 | HeapSnapshot* HeapProfiler::TakeSnapshot(String* name, |
| 79 | int type, |
| 80 | v8::ActivityControl* control) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 81 | ASSERT(Isolate::Current()->heap_profiler() != NULL); |
| 82 | return Isolate::Current()->heap_profiler()->TakeSnapshotImpl(name, |
| 83 | type, |
| 84 | control); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 88 | void HeapProfiler::StartHeapObjectsTracking() { |
| 89 | ASSERT(Isolate::Current()->heap_profiler() != NULL); |
| 90 | Isolate::Current()->heap_profiler()->StartHeapObjectsTrackingImpl(); |
| 91 | } |
| 92 | |
| 93 | |
| 94 | void HeapProfiler::StopHeapObjectsTracking() { |
| 95 | ASSERT(Isolate::Current()->heap_profiler() != NULL); |
| 96 | Isolate::Current()->heap_profiler()->StopHeapObjectsTrackingImpl(); |
| 97 | } |
| 98 | |
| 99 | |
rossberg@chromium.org | 400388e | 2012-06-06 09:29:22 +0000 | [diff] [blame] | 100 | SnapshotObjectId HeapProfiler::PushHeapObjectsStats(v8::OutputStream* stream) { |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 101 | ASSERT(Isolate::Current()->heap_profiler() != NULL); |
| 102 | return Isolate::Current()->heap_profiler()->PushHeapObjectsStatsImpl(stream); |
| 103 | } |
| 104 | |
| 105 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 106 | void HeapProfiler::DefineWrapperClass( |
| 107 | uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) { |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 108 | ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 109 | if (wrapper_callbacks_.length() <= class_id) { |
| 110 | wrapper_callbacks_.AddBlock( |
| 111 | NULL, class_id - wrapper_callbacks_.length() + 1); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 112 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 113 | wrapper_callbacks_[class_id] = callback; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | |
| 117 | v8::RetainedObjectInfo* HeapProfiler::ExecuteWrapperClassCallback( |
| 118 | uint16_t class_id, Object** wrapper) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 119 | if (wrapper_callbacks_.length() <= class_id) return NULL; |
| 120 | return wrapper_callbacks_[class_id]( |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 121 | class_id, Utils::ToLocal(Handle<Object>(wrapper))); |
| 122 | } |
| 123 | |
| 124 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 125 | HeapSnapshot* HeapProfiler::TakeSnapshotImpl(const char* name, |
| 126 | int type, |
| 127 | v8::ActivityControl* control) { |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 128 | HeapSnapshot::Type s_type = static_cast<HeapSnapshot::Type>(type); |
| 129 | HeapSnapshot* result = |
| 130 | snapshots_->NewSnapshot(s_type, name, next_snapshot_uid_++); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 131 | bool generation_completed = true; |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 132 | switch (s_type) { |
| 133 | case HeapSnapshot::kFull: { |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 134 | HeapSnapshotGenerator generator(result, control); |
| 135 | generation_completed = generator.GenerateSnapshot(); |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 136 | break; |
| 137 | } |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 138 | default: |
| 139 | UNREACHABLE(); |
| 140 | } |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 141 | if (!generation_completed) { |
| 142 | delete result; |
| 143 | result = NULL; |
| 144 | } |
| 145 | snapshots_->SnapshotGenerationFinished(result); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 146 | return result; |
| 147 | } |
| 148 | |
| 149 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 150 | HeapSnapshot* HeapProfiler::TakeSnapshotImpl(String* name, |
| 151 | int type, |
| 152 | v8::ActivityControl* control) { |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 153 | return TakeSnapshotImpl(snapshots_->names()->GetName(name), type, control); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 154 | } |
| 155 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 156 | void HeapProfiler::StartHeapObjectsTrackingImpl() { |
| 157 | snapshots_->StartHeapObjectsTracking(); |
| 158 | } |
| 159 | |
| 160 | |
rossberg@chromium.org | 400388e | 2012-06-06 09:29:22 +0000 | [diff] [blame] | 161 | SnapshotObjectId HeapProfiler::PushHeapObjectsStatsImpl(OutputStream* stream) { |
| 162 | return snapshots_->PushHeapObjectsStats(stream); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | |
| 166 | void HeapProfiler::StopHeapObjectsTrackingImpl() { |
| 167 | snapshots_->StopHeapObjectsTracking(); |
| 168 | } |
| 169 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 170 | |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 171 | size_t HeapProfiler::GetMemorySizeUsedByProfiler() { |
| 172 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 173 | ASSERT(profiler != NULL); |
| 174 | size_t size = profiler->snapshots_->GetUsedMemorySize(); |
| 175 | return size; |
| 176 | } |
| 177 | |
| 178 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 179 | int HeapProfiler::GetSnapshotsCount() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 180 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 181 | ASSERT(profiler != NULL); |
| 182 | return profiler->snapshots_->snapshots()->length(); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | |
| 186 | HeapSnapshot* HeapProfiler::GetSnapshot(int index) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 187 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 188 | ASSERT(profiler != NULL); |
| 189 | return profiler->snapshots_->snapshots()->at(index); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | |
| 193 | HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 194 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 195 | ASSERT(profiler != NULL); |
| 196 | return profiler->snapshots_->GetSnapshot(uid); |
| 197 | } |
| 198 | |
| 199 | |
erik.corry@gmail.com | ed49e96 | 2012-04-17 11:57:53 +0000 | [diff] [blame] | 200 | SnapshotObjectId HeapProfiler::GetSnapshotObjectId(Handle<Object> obj) { |
| 201 | if (!obj->IsHeapObject()) |
| 202 | return v8::HeapProfiler::kUnknownObjectId; |
| 203 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 204 | ASSERT(profiler != NULL); |
| 205 | return profiler->snapshots_->FindObjectId(HeapObject::cast(*obj)->address()); |
| 206 | } |
| 207 | |
| 208 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 209 | void HeapProfiler::DeleteAllSnapshots() { |
| 210 | HeapProfiler* profiler = Isolate::Current()->heap_profiler(); |
| 211 | ASSERT(profiler != NULL); |
| 212 | profiler->ResetSnapshots(); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 216 | void HeapProfiler::ObjectMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 217 | snapshots_->ObjectMoveEvent(from, to); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 218 | } |
| 219 | |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 220 | |
| 221 | } } // namespace v8::internal |