/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
class ExecState;
class ProfileNode;
- typedef Vector<RefPtr<ProfileNode> >::const_iterator StackIterator;
typedef HashCountedSet<StringImpl*> FunctionCallHashCount;
class ProfileNode : public RefCounted<ProfileNode> {
public:
- static PassRefPtr<ProfileNode> create(ExecState* callerCallFrame, const CallIdentifier& callIdentifier, ProfileNode* headNode, ProfileNode* parentNode)
+ static Ref<ProfileNode> create(ExecState* callerCallFrame, const CallIdentifier& callIdentifier, ProfileNode* parentNode)
{
- return adoptRef(new ProfileNode(callerCallFrame, callIdentifier, headNode, parentNode));
+ return adoptRef(*new ProfileNode(callerCallFrame, callIdentifier, parentNode));
}
- static PassRefPtr<ProfileNode> create(ExecState* callerCallFrame, ProfileNode* headNode, ProfileNode* node)
+
+ static Ref<ProfileNode> create(ExecState* callerCallFrame, ProfileNode* node)
{
- return adoptRef(new ProfileNode(callerCallFrame, headNode, node));
+ return adoptRef(*new ProfileNode(callerCallFrame, node));
}
- bool operator==(ProfileNode* node) { return m_callIdentifier == node->callIdentifier(); }
-
- ProfileNode* willExecute(ExecState* callerCallFrame, const CallIdentifier&);
- ProfileNode* didExecute();
+ struct Call {
+ public:
+ Call(double startTime, double elapsedTime = NAN)
+ : m_startTime(startTime)
+ , m_elapsedTime(elapsedTime)
+ {
+ }
+
+ double startTime() const { return m_startTime; }
+ void setStartTime(double time)
+ {
+ ASSERT_ARG(time, time >= 0.0 || std::isnan(time));
+ m_startTime = time;
+ }
+
+ double elapsedTime() const { return m_elapsedTime; }
+ void setElapsedTime(double time)
+ {
+ ASSERT_ARG(time, time >= 0.0 || std::isnan(time));
+ m_elapsedTime = time;
+ }
+
+ private:
+ double m_startTime;
+ double m_elapsedTime;
+ };
- void stopProfiling();
+ bool operator==(ProfileNode* node) { return m_callIdentifier == node->callIdentifier(); }
- // CallIdentifier members
ExecState* callerCallFrame() const { return m_callerCallFrame; }
const CallIdentifier& callIdentifier() const { return m_callIdentifier; }
- const UString& functionName() const { return m_callIdentifier.m_name; }
- const UString& url() const { return m_callIdentifier.m_url; }
- unsigned lineNumber() const { return m_callIdentifier.m_lineNumber; }
+ unsigned id() const { return m_callIdentifier.hash(); }
+ const String& functionName() const { return m_callIdentifier.functionName(); }
+ const String& url() const { return m_callIdentifier.url(); }
+ unsigned lineNumber() const { return m_callIdentifier.lineNumber(); }
+ unsigned columnNumber() const { return m_callIdentifier.columnNumber(); }
- // Relationships
- ProfileNode* head() const { return m_head; }
- void setHead(ProfileNode* head) { m_head = head; }
ProfileNode* parent() const { return m_parent; }
void setParent(ProfileNode* parent) { m_parent = parent; }
- ProfileNode* nextSibling() const { return m_nextSibling; }
- void setNextSibling(ProfileNode* nextSibling) { m_nextSibling = nextSibling; }
- // Time members
- double startTime() const { return m_startTime; }
- void setStartTime(double startTime) { m_startTime = startTime; }
- double totalTime() const { return m_visibleTotalTime; }
- double actualTotalTime() const { return m_actualTotalTime; }
- void setTotalTime(double time) { m_actualTotalTime = time; m_visibleTotalTime = time; }
- void setActualTotalTime(double time) { m_actualTotalTime = time; }
- void setVisibleTotalTime(double time) { m_visibleTotalTime = time; }
- double selfTime() const { return m_visibleSelfTime; }
- double actualSelfTime() const { return m_actualSelfTime; }
- void setSelfTime(double time) {m_actualSelfTime = time; m_visibleSelfTime = time; }
- void setActualSelfTime(double time) { m_actualSelfTime = time; }
- void setVisibleSelfTime(double time) { m_visibleSelfTime = time; }
-
- double totalPercent() const { return (m_visibleTotalTime / (m_head ? m_head->totalTime() : totalTime())) * 100.0; }
- double selfPercent() const { return (m_visibleSelfTime / (m_head ? m_head->totalTime() : totalTime())) * 100.0; }
-
- unsigned numberOfCalls() const { return m_numberOfCalls; }
- void setNumberOfCalls(unsigned number) { m_numberOfCalls = number; }
-
- // Children members
- const Vector<RefPtr<ProfileNode> >& children() const { return m_children; }
- ProfileNode* firstChild() const { return m_children.size() ? m_children.first().get() : 0; }
- ProfileNode* lastChild() const { return m_children.size() ? m_children.last().get() : 0; }
- ProfileNode* findChild(ProfileNode*) const;
- void removeChild(ProfileNode*);
- void addChild(PassRefPtr<ProfileNode> prpChild);
- void insertNode(PassRefPtr<ProfileNode> prpNode);
+ const Vector<Call>& calls() const { return m_calls; }
+ Call& lastCall() { ASSERT(!m_calls.isEmpty()); return m_calls.last(); }
+ void appendCall(Call call) { m_calls.append(call); }
- // Visiblity
- bool visible() const { return m_visible; }
- void setVisible(bool visible) { m_visible = visible; }
+ const Vector<RefPtr<ProfileNode>>& children() const { return m_children; }
+ ProfileNode* firstChild() const { return m_children.size() ? m_children.first().get() : nullptr; }
+ ProfileNode* lastChild() const { return m_children.size() ? m_children.last().get() : nullptr; }
- static void setTreeVisible(ProfileNode*, bool visible);
+ void removeChild(ProfileNode*);
+ void addChild(PassRefPtr<ProfileNode>);
+ // Reparent our child nodes to the passed node, and make it a child node of |this|.
+ void spliceNode(PassRefPtr<ProfileNode>);
- // Sorting
- ProfileNode* traverseNextNodePostOrder() const;
- ProfileNode* traverseNextNodePreOrder(bool processChildren = true) const;
+#ifndef NDEBUG
+ struct ProfileSubtreeData {
+ HashMap<ProfileNode*, std::pair<double, double>> selfAndTotalTimes;
+ double rootTotalTime;
+ };
- // Views
- void calculateVisibleTotalTime();
- bool focus(const CallIdentifier&);
- void exclude(const CallIdentifier&);
- void restore();
+ // Use these functions to dump the subtree rooted at this node.
+ void debugPrint();
+ void debugPrintSampleStyle();
- void endAndRecordCall();
+ // These are used to recursively print entire subtrees using precomputed self and total times.
+ template <typename Functor> void forEachNodePostorder(Functor&);
-#ifndef NDEBUG
- const char* c_str() const { return m_callIdentifier; }
- void debugPrintData(int indentLevel) const;
- double debugPrintDataSampleStyle(int indentLevel, FunctionCallHashCount&) const;
+ void debugPrintRecursively(int indentLevel, const ProfileSubtreeData&);
+ double debugPrintSampleStyleRecursively(int indentLevel, FunctionCallHashCount&, const ProfileSubtreeData&);
#endif
private:
- ProfileNode(ExecState* callerCallFrame, const CallIdentifier&, ProfileNode* headNode, ProfileNode* parentNode);
- ProfileNode(ExecState* callerCallFrame, ProfileNode* headNode, ProfileNode* nodeToCopy);
+ typedef Vector<RefPtr<ProfileNode>>::const_iterator StackIterator;
- void startTimer();
- void resetChildrensSiblings();
+ ProfileNode(ExecState* callerCallFrame, const CallIdentifier&, ProfileNode* parentNode);
+ ProfileNode(ExecState* callerCallFrame, ProfileNode* nodeToCopy);
- RefPtr<ProfileNode>* childrenBegin() { return m_children.begin(); }
- RefPtr<ProfileNode>* childrenEnd() { return m_children.end(); }
+#ifndef NDEBUG
+ ProfileNode* nextSibling() const { return m_nextSibling; }
+ void setNextSibling(ProfileNode* nextSibling) { m_nextSibling = nextSibling; }
- // Sorting comparators
- static inline bool totalTimeDescendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->totalTime() > b->totalTime(); }
- static inline bool totalTimeAscendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->totalTime() < b->totalTime(); }
- static inline bool selfTimeDescendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->selfTime() > b->selfTime(); }
- static inline bool selfTimeAscendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->selfTime() < b->selfTime(); }
- static inline bool callsDescendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->numberOfCalls() > b->numberOfCalls(); }
- static inline bool callsAscendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->numberOfCalls() < b->numberOfCalls(); }
- static inline bool functionNameDescendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->functionName() > b->functionName(); }
- static inline bool functionNameAscendingComparator(const RefPtr<ProfileNode>& a, const RefPtr<ProfileNode>& b) { return a->functionName() < b->functionName(); }
+ ProfileNode* traverseNextNodePostOrder() const;
+#endif
ExecState* m_callerCallFrame;
CallIdentifier m_callIdentifier;
- ProfileNode* m_head;
ProfileNode* m_parent;
+ Vector<Call> m_calls;
+ Vector<RefPtr<ProfileNode>> m_children;
+
+#ifndef NDEBUG
ProfileNode* m_nextSibling;
+#endif
+ };
- double m_startTime;
- double m_actualTotalTime;
- double m_visibleTotalTime;
- double m_actualSelfTime;
- double m_visibleSelfTime;
- unsigned m_numberOfCalls;
+#ifndef NDEBUG
+ template <typename Functor> inline void ProfileNode::forEachNodePostorder(Functor& functor)
+ {
+ ProfileNode* currentNode = this;
+ // Go down to the first node of the traversal, and slowly walk back up.
+ for (ProfileNode* nextNode = currentNode; nextNode; nextNode = nextNode->firstChild())
+ currentNode = nextNode;
+
+ ProfileNode* endNode = this;
+ while (currentNode && currentNode != endNode) {
+ functor(currentNode);
+ currentNode = currentNode->traverseNextNodePostOrder();
+ }
+
+ functor(endNode);
+ }
+
+ struct CalculateProfileSubtreeDataFunctor {
+ void operator()(ProfileNode* node)
+ {
+ double selfTime = 0.0;
+ for (const ProfileNode::Call& call : node->calls())
+ selfTime += call.elapsedTime();
+
+ double totalTime = selfTime;
+ for (RefPtr<ProfileNode> child : node->children()) {
+ auto it = m_data.selfAndTotalTimes.find(child.get());
+ if (it != m_data.selfAndTotalTimes.end())
+ totalTime += it->value.second;
+ }
+
+ ASSERT(node);
+ m_data.selfAndTotalTimes.set(node, std::make_pair(selfTime, totalTime));
+ }
- bool m_visible;
+ ProfileNode::ProfileSubtreeData returnValue() { return WTF::move(m_data); }
- Vector<RefPtr<ProfileNode> > m_children;
+ ProfileNode::ProfileSubtreeData m_data;
};
+#endif
} // namespace JSC