profile-generator-inl.h 3.48 KB
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// Copyright 2010 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
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#ifndef V8_PROFILER_PROFILE_GENERATOR_INL_H_
#define V8_PROFILER_PROFILE_GENERATOR_INL_H_
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#include "src/profiler/profile-generator.h"
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#include <memory>

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namespace v8 {
namespace internal {

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CodeEntry::CodeEntry(CodeEventListener::LogEventsAndTags tag, const char* name,
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                     const char* resource_name, int line_number,
                     int column_number,
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                     std::unique_ptr<SourcePositionTable> line_info,
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                     bool is_shared_cross_origin)
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    : bit_field_(TagField::encode(tag) |
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                 BuiltinIdField::encode(Builtins::builtin_count) |
                 SharedCrossOriginField::encode(is_shared_cross_origin)),
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      name_(name),
      resource_name_(resource_name),
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      line_number_(line_number),
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      column_number_(column_number),
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      script_id_(v8::UnboundScript::kNoScriptId),
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      position_(0),
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      line_info_(std::move(line_info)) {}
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inline CodeEntry* ProfileGenerator::FindEntry(Address address,
                                              Address* out_instruction_start) {
  CodeEntry* entry = code_map_->FindEntry(address, out_instruction_start);
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  if (entry) entry->mark_used();
  return entry;
}

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ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry,
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                         ProfileNode* parent, int line_number)
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    : tree_(tree),
      entry_(entry),
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      self_ticks_(0),
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      line_number_(line_number),
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      parent_(parent),
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      id_(tree->next_node_id()) {
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  tree_->EnqueueNode(this);
}
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inline CpuProfileNode::SourceType ProfileNode::source_type() const {
  // Handle metadata and VM state code entry types.
  if (entry_ == CodeEntry::program_entry() ||
      entry_ == CodeEntry::idle_entry() || entry_ == CodeEntry::gc_entry() ||
      entry_ == CodeEntry::root_entry()) {
    return CpuProfileNode::kInternal;
  }
  if (entry_ == CodeEntry::unresolved_entry())
    return CpuProfileNode::kUnresolved;

  // Otherwise, resolve based on logger tag.
  switch (entry_->tag()) {
    case CodeEventListener::EVAL_TAG:
    case CodeEventListener::SCRIPT_TAG:
    case CodeEventListener::LAZY_COMPILE_TAG:
    case CodeEventListener::FUNCTION_TAG:
    case CodeEventListener::INTERPRETED_FUNCTION_TAG:
      return CpuProfileNode::kScript;
    case CodeEventListener::BUILTIN_TAG:
    case CodeEventListener::HANDLER_TAG:
    case CodeEventListener::BYTECODE_HANDLER_TAG:
    case CodeEventListener::NATIVE_FUNCTION_TAG:
    case CodeEventListener::NATIVE_SCRIPT_TAG:
    case CodeEventListener::NATIVE_LAZY_COMPILE_TAG:
      return CpuProfileNode::kBuiltin;
    case CodeEventListener::CALLBACK_TAG:
      return CpuProfileNode::kCallback;
    case CodeEventListener::REG_EXP_TAG:
    case CodeEventListener::STUB_TAG:
    case CodeEventListener::CODE_CREATION_EVENT:
    case CodeEventListener::CODE_DISABLE_OPT_EVENT:
    case CodeEventListener::CODE_MOVE_EVENT:
    case CodeEventListener::CODE_DELETE_EVENT:
    case CodeEventListener::CODE_MOVING_GC:
    case CodeEventListener::SHARED_FUNC_MOVE_EVENT:
    case CodeEventListener::SNAPSHOT_CODE_NAME_EVENT:
    case CodeEventListener::TICK_EVENT:
    case CodeEventListener::NUMBER_OF_LOG_EVENTS:
      return CpuProfileNode::kInternal;
  }
}  // namespace internal

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inline Isolate* ProfileNode::isolate() const { return tree_->isolate(); }

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}  // namespace internal
}  // namespace v8
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#endif  // V8_PROFILER_PROFILE_GENERATOR_INL_H_