diff options
Diffstat (limited to 'MemDumpAnalysis')
| -rw-r--r-- | MemDumpAnalysis/MemDumpAnalysis.cpp | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/MemDumpAnalysis/MemDumpAnalysis.cpp b/MemDumpAnalysis/MemDumpAnalysis.cpp index baa32bcb0..9e7759085 100644 --- a/MemDumpAnalysis/MemDumpAnalysis.cpp +++ b/MemDumpAnalysis/MemDumpAnalysis.cpp @@ -22,11 +22,13 @@ typedef std::set<AString> AStringSet; class cFunction
{
public:
- int m_Size;
+ int m_Size; ///< Sum of memory block sizes allocated by this function or its children
+ int m_Count; ///< Total number of memory blocks allocated by this function or its children
AStringSet m_ChildrenNames;
cFunction(void) :
- m_Size(0)
+ m_Size(0),
+ m_Count(0)
{
}
} ;
@@ -126,6 +128,7 @@ void OnStartElement(void * a_Data, const char * a_Element, const char ** a_Attrs AString FunctionName = fnName;
cFunction & Function = g_FnMap[FunctionName];
Function.m_Size += g_CurrentSize;
+ Function.m_Count += 1;
if (!g_PrevFunctionName.empty())
{
Function.m_ChildrenNames.insert(g_PrevFunctionName);
@@ -153,7 +156,7 @@ void OnEndElement(void * a_Data, const char * a_Element) -bool CompareFnSize(const std::pair<AString, int> & a_First, const std::pair<AString, int> & a_Second)
+bool CompareFnInt(const std::pair<AString, int> & a_First, const std::pair<AString, int> & a_Second)
{
return (a_First.second < a_Second.second);
}
@@ -162,7 +165,7 @@ bool CompareFnSize(const std::pair<AString, int> & a_First, const std::pair<AStr -void WriteTotalStatistics(void)
+void WriteSizeStatistics(void)
{
typedef std::vector<std::pair<AString, int> > StringIntPairs;
StringIntPairs FnSizes;
@@ -178,7 +181,7 @@ void WriteTotalStatistics(void) {
FnSizes.push_back(std::pair<AString, int>(itr->first, itr->second.m_Size));
} // for itr - g_FnSizes[]
- std::sort(FnSizes.begin(), FnSizes.end(), CompareFnSize);
+ std::sort(FnSizes.begin(), FnSizes.end(), CompareFnInt);
for (StringIntPairs::const_iterator itr = FnSizes.begin(), end = FnSizes.end(); itr != end; ++itr)
{
@@ -190,6 +193,34 @@ void WriteTotalStatistics(void) +void WriteCountStatistics(void)
+{
+ typedef std::vector<std::pair<AString, int> > StringIntPairs;
+ StringIntPairs FnCounts;
+
+ cFile f("memdump_counts.txt", cFile::fmWrite);
+ if (!f.IsOpen())
+ {
+ LOGERROR("Cannot open memdump_counts.txt");
+ return;
+ }
+
+ for (FunctionMap::iterator itr = g_FnMap.begin(), end = g_FnMap.end(); itr != end; ++itr)
+ {
+ FnCounts.push_back(std::pair<AString, int>(itr->first, itr->second.m_Count));
+ } // for itr - g_FnSizes[]
+ std::sort(FnCounts.begin(), FnCounts.end(), CompareFnInt);
+
+ for (StringIntPairs::const_iterator itr = FnCounts.begin(), end = FnCounts.end(); itr != end; ++itr)
+ {
+ f.Printf("%d\t%s\n", itr->second, itr->first.c_str());
+ } // for itr - FnSizes[]
+}
+
+
+
+
+
AString HTMLEscape(const AString & a_Text)
{
AString res;
@@ -215,7 +246,7 @@ AString HTMLEscape(const AString & a_Text) -void WriteDotStatistics(void)
+void WriteDotGraph(void)
{
cFile f("memdump.dot", cFile::fmWrite);
if (!f.IsOpen())
@@ -227,11 +258,12 @@ void WriteDotStatistics(void) f.Printf("digraph {\n\tnode [shape=plaintext]\n\n");
for (FunctionMap::const_iterator itrF = g_FnMap.begin(), endF = g_FnMap.end(); itrF != endF; ++itrF)
{
- f.Printf("\t\"%s\" [label=<%s<BR/>%d bytes (%d KiB)>]\n",
+ f.Printf("\t\"%s\" [label=<%s<BR/>%d bytes (%d KiB)<BR/>%d blocks>]\n",
itrF->first.c_str(),
HTMLEscape(itrF->first).c_str(),
itrF->second.m_Size,
- (itrF->second.m_Size + 1023) / 1024
+ (itrF->second.m_Size + 1023) / 1024,
+ itrF->second.m_Count
);
const AStringSet & Children = itrF->second.m_ChildrenNames;
for (AStringSet::const_iterator itrN = Children.begin(), endN = Children.end(); itrN != endN; ++itrN)
@@ -262,7 +294,7 @@ int main(int argc, char * argv[]) XML_SetElementHandler(Parser, OnStartElement, OnEndElement);
// Feed the file through XML parser:
- char Buffer[64 KiB];
+ char Buffer[512 KiB];
while (true)
{
int NumBytes = f.Read(Buffer, sizeof(Buffer));
@@ -277,8 +309,9 @@ int main(int argc, char * argv[]) f.Close();
// Output the statistics
- WriteTotalStatistics();
- WriteDotStatistics();
+ WriteSizeStatistics();
+ WriteCountStatistics();
+ WriteDotGraph();
return 0;
}
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