02674ee414
R=yangguo@chromium.org Review URL: https://codereview.chromium.org/18509003 Patch from Haitao Feng <haitao.feng@intel.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
146 lines
4.5 KiB
C++
146 lines
4.5 KiB
C++
// Copyright 2009-2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "heap-profiler.h"
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#include "heap-snapshot-generator-inl.h"
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namespace v8 {
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namespace internal {
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HeapProfiler::HeapProfiler(Heap* heap)
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: snapshots_(new HeapSnapshotsCollection(heap)),
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next_snapshot_uid_(1) {
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}
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HeapProfiler::~HeapProfiler() {
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delete snapshots_;
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}
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void HeapProfiler::DeleteAllSnapshots() {
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Heap* the_heap = heap();
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delete snapshots_;
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snapshots_ = new HeapSnapshotsCollection(the_heap);
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}
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void HeapProfiler::DefineWrapperClass(
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uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) {
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ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId);
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if (wrapper_callbacks_.length() <= class_id) {
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wrapper_callbacks_.AddBlock(
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NULL, class_id - wrapper_callbacks_.length() + 1);
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}
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wrapper_callbacks_[class_id] = callback;
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}
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v8::RetainedObjectInfo* HeapProfiler::ExecuteWrapperClassCallback(
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uint16_t class_id, Object** wrapper) {
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if (wrapper_callbacks_.length() <= class_id) return NULL;
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return wrapper_callbacks_[class_id](
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class_id, Utils::ToLocal(Handle<Object>(wrapper)));
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}
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HeapSnapshot* HeapProfiler::TakeSnapshot(
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const char* name,
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v8::ActivityControl* control,
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v8::HeapProfiler::ObjectNameResolver* resolver) {
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HeapSnapshot* result = snapshots_->NewSnapshot(name, next_snapshot_uid_++);
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{
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HeapSnapshotGenerator generator(result, control, resolver, heap());
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if (!generator.GenerateSnapshot()) {
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delete result;
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result = NULL;
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}
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}
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snapshots_->SnapshotGenerationFinished(result);
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return result;
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}
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HeapSnapshot* HeapProfiler::TakeSnapshot(
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String* name,
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v8::ActivityControl* control,
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v8::HeapProfiler::ObjectNameResolver* resolver) {
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return TakeSnapshot(snapshots_->names()->GetName(name), control, resolver);
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}
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void HeapProfiler::StartHeapObjectsTracking() {
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snapshots_->StartHeapObjectsTracking();
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}
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SnapshotObjectId HeapProfiler::PushHeapObjectsStats(OutputStream* stream) {
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return snapshots_->PushHeapObjectsStats(stream);
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}
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void HeapProfiler::StopHeapObjectsTracking() {
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snapshots_->StopHeapObjectsTracking();
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}
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size_t HeapProfiler::GetMemorySizeUsedByProfiler() {
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return snapshots_->GetUsedMemorySize();
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}
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int HeapProfiler::GetSnapshotsCount() {
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return snapshots_->snapshots()->length();
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}
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HeapSnapshot* HeapProfiler::GetSnapshot(int index) {
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return snapshots_->snapshots()->at(index);
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}
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SnapshotObjectId HeapProfiler::GetSnapshotObjectId(Handle<Object> obj) {
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if (!obj->IsHeapObject())
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return v8::HeapProfiler::kUnknownObjectId;
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return snapshots_->FindObjectId(HeapObject::cast(*obj)->address());
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}
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void HeapProfiler::ObjectMoveEvent(Address from, Address to) {
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snapshots_->ObjectMoveEvent(from, to);
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}
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void HeapProfiler::SetRetainedObjectInfo(UniqueId id,
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RetainedObjectInfo* info) {
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// TODO(yurus, marja): Don't route this information through GlobalHandles.
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heap()->isolate()->global_handles()->SetRetainedObjectInfo(id, info);
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}
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} } // namespace v8::internal
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