2008-05-13 Kevin McCullough <kmccullough@apple.com>

[WebKit-https.git] / JavaScriptCore / profiler / FunctionCallProfile.cpp

diff --git a/JavaScriptCore/profiler/FunctionCallProfile.cpp b/JavaScriptCore/profiler/FunctionCallProfile.cpp
index cc594ec..f8510a2 100644 (file)
--- a/JavaScriptCore/profiler/FunctionCallProfile.cpp
+++ b/JavaScriptCore/profiler/FunctionCallProfile.cpp
@@ -32,21 +32,18 @@
 #include "Profiler.h"
 #include "DateMath.h"
 
+#include <stdio.h>
+
 namespace KJS {
 
 FunctionCallProfile::FunctionCallProfile(const UString& name)
     : m_functionName(name)
     , m_timeSum(0)
+    , m_numberOfCalls(0)
 {
     m_startTime = getCurrentUTCTime();
 }
 
-FunctionCallProfile::~FunctionCallProfile()
-{
-    deleteAllValues(m_children);
-}
-
-
 void FunctionCallProfile::willExecute()
 {
     m_startTime = getCurrentUTCTime();
@@ -54,12 +51,9 @@ void FunctionCallProfile::willExecute()
 
 void FunctionCallProfile::didExecute(Vector<UString> stackNames, unsigned int stackIndex)
 {
-    if (stackIndex == stackNames.size()) {
+    if (stackIndex && stackIndex == stackNames.size()) {
         ASSERT(stackNames[stackIndex - 1] == m_functionName);
-
-        m_timeSum += getCurrentUTCTime() - m_startTime;
-
-        ASSERT(m_timeSum > 0);
+        endAndRecordCall();
         return;
     }
 
@@ -71,61 +65,101 @@ void FunctionCallProfile::didExecute(Vector<UString> stackNames, unsigned int st
     }
 }
 
-void FunctionCallProfile::addChild(FunctionCallProfile* child)
+void FunctionCallProfile::addChild(PassRefPtr<FunctionCallProfile> prpChild)
 {
-    if (!child)
-        return;
+    ASSERT(prpChild);
 
+    RefPtr<FunctionCallProfile> child = prpChild;
     for (StackIterator currentChild = m_children.begin(); currentChild != m_children.end(); ++currentChild) {
         if ((*currentChild)->functionName() == child->functionName())
             return;
     }
 
-    m_children.append(child);
+    m_children.append(child.release());
 }
 
 FunctionCallProfile* FunctionCallProfile::findChild(const UString& name)
 {
     for (StackIterator currentChild = m_children.begin(); currentChild != m_children.end(); ++currentChild) {
         if ((*currentChild)->functionName() == name)
-            return *currentChild;
+            return (*currentChild).get();
     }
 
     return 0;
 }
 
+void FunctionCallProfile::stopProfiling()
+{
+    if (m_startTime)
+        endAndRecordCall();
+
+    StackIterator endOfChildren = m_children.end();
+    for (StackIterator it = m_children.begin(); it != endOfChildren; ++it)
+        (*it)->stopProfiling();
+}
+
+void FunctionCallProfile::printDataInspectorStyle(int indentLevel) const
+{
+    // Print function names
+    if (indentLevel) {
+        for (int i = 0; i < indentLevel; ++i)
+            printf("  ");
+
+        printf("%.3fms %s\n", m_timeSum, m_functionName.UTF8String().c_str());
+    } else
+        printf("%s\n", m_functionName.UTF8String().c_str());
+
+    ++indentLevel;
+
+    // Print children's names and information
+    for (StackIterator currentChild = m_children.begin(); currentChild != m_children.end(); ++currentChild)
+        (*currentChild)->printDataInspectorStyle(indentLevel);
+}
+
 // print the profiled data in a format that matches the tool sample's output.
-double FunctionCallProfile::printDataSampleStyle(int indentLevel)
+double FunctionCallProfile::printDataSampleStyle(int indentLevel, FunctionCallHashCount& countedFunctions) const
 {
     printf("    ");
 
     // Print function names
+    const char* name = m_functionName.UTF8String().c_str();
+    double sampleCount = m_timeSum * 1000;
     if (indentLevel) {
         for (int i = 0; i < indentLevel; ++i)
             printf("  ");
 
-        // We've previously asserted that m_timeSum will always be >= 1
-        printf("%f %s\n", m_timeSum, m_functionName.UTF8String().c_str());
+         countedFunctions.add(m_functionName.rep());
+
+        printf("%.0f %s\n", sampleCount ? sampleCount : 1, name);
     } else
-        printf("%s\n", m_functionName.UTF8String().c_str());
+        printf("%s\n", name);
 
     ++indentLevel;
 
     // Print children's names and information
-    double sumOfChildrensTimes = 0.0;
+    double sumOfChildrensCount = 0.0;
     for (StackIterator currentChild = m_children.begin(); currentChild != m_children.end(); ++currentChild)
-        sumOfChildrensTimes += (*currentChild)->printDataSampleStyle(indentLevel);
+        sumOfChildrensCount += (*currentChild)->printDataSampleStyle(indentLevel, countedFunctions);
 
-    // Print remainder of time to match sample's output
-    if (sumOfChildrensTimes < m_timeSum) {
+    sumOfChildrensCount *= 1000;    //
+    // Print remainder of samples to match sample's output
+    if (sumOfChildrensCount < sampleCount) {
         printf("    ");
         while (indentLevel--)
             printf("  ");
 
-        printf("%f %s\n", m_timeSum - sumOfChildrensTimes, m_functionName.UTF8String().c_str());
+        printf("%.0f %s\n", sampleCount - sumOfChildrensCount, m_functionName.UTF8String().c_str());
     }
 
     return m_timeSum;
 }
 
+void FunctionCallProfile::endAndRecordCall()
+{
+    m_timeSum += getCurrentUTCTime() - m_startTime;
+    m_startTime = 0.0;
+
+    ++m_numberOfCalls;
+}
+
 }   // namespace KJS