2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include "FunctionCallProfile.h"
30 #include "JSGlobalObject.h"
31 #include "ExecState.h"
38 typedef Vector<UString>::const_iterator NameIterator;
40 Profile::Profile(const UString& title)
43 // FIXME: When multi-threading is supported this will be a vector and calls
44 // into the profiler will need to know which thread it is executing on.
45 m_callTree.set(new FunctionCallProfile("Thread_1"));
48 void Profile::willExecute(const Vector<UString>& callStackNames)
50 FunctionCallProfile* callTreeInsertionPoint = 0;
51 FunctionCallProfile* foundNameInTree = m_callTree.get();
52 NameIterator callStackLocation = callStackNames.begin();
54 while (callStackLocation != callStackNames.end() && foundNameInTree) {
55 callTreeInsertionPoint = foundNameInTree;
56 foundNameInTree = callTreeInsertionPoint->findChild(*callStackLocation);
60 if (!foundNameInTree) { // Insert remains of the stack into the call tree.
62 for (FunctionCallProfile* next; callStackLocation != callStackNames.end(); ++callStackLocation) {
63 next = new FunctionCallProfile(*callStackLocation);
64 callTreeInsertionPoint->addChild(next);
65 callTreeInsertionPoint = next;
67 } else // We are calling a function that is already in the call tree.
68 foundNameInTree->willExecute();
71 void Profile::didExecute(Vector<UString> stackNames)
73 m_callTree->didExecute(stackNames, 0);
76 void Profile::printDataInspectorStyle() const
78 printf("Call graph:\n");
79 m_callTree->printDataInspectorStyle(0);
82 typedef pair<UString::Rep*, unsigned> NameCountPair;
84 static inline bool functionNameCountPairComparator(const NameCountPair a, const NameCountPair b)
86 return a.second > b.second;
89 void Profile::printDataSampleStyle() const
91 typedef Vector<NameCountPair> NameCountPairVector;
93 FunctionCallHashCount countedFunctions;
94 printf("Call graph:\n");
95 m_callTree->printDataSampleStyle(0, countedFunctions);
97 printf("\nTotal number in stack:\n");
98 NameCountPairVector sortedFunctions(countedFunctions.size());
99 copyToVector(countedFunctions, sortedFunctions);
101 std::sort(sortedFunctions.begin(), sortedFunctions.end(), functionNameCountPairComparator);
102 for (NameCountPairVector::iterator it = sortedFunctions.begin(); it != sortedFunctions.end(); ++it)
103 printf(" %-12d%s\n", (*it).second, UString((*it).first).UTF8String().c_str());
105 printf("\nSort by top of stack, same collapsed (when >= 5):\n");