diff options
Diffstat (limited to 'MemDumpAnalysis/MemDumpAnalysis.cpp')
| -rw-r--r-- | MemDumpAnalysis/MemDumpAnalysis.cpp | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/MemDumpAnalysis/MemDumpAnalysis.cpp b/MemDumpAnalysis/MemDumpAnalysis.cpp deleted file mode 100644 index 9e7759085..000000000 --- a/MemDumpAnalysis/MemDumpAnalysis.cpp +++ /dev/null @@ -1,321 +0,0 @@ -
-// MemDumpAnalysis.cpp
-
-// Defines the entry point for the console application.
-
-#include "Globals.h"
-
-#ifdef _WIN32
- #pragma comment(lib, "ws2_32.lib") // Needed for StringUtils' RawBEToUtf8() et al.
-#endif // _WIN32
-
-
-
-
-
-typedef std::set<AString> AStringSet;
-
-
-
-
-
-class cFunction
-{
-public:
- 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_Count(0)
- {
- }
-} ;
-
-typedef std::map<AString, cFunction> FunctionMap;
-
-
-
-
-
-int g_CurrentID = 0;
-int g_CurrentSize = 0;
-FunctionMap g_FnMap;
-AString g_PrevFunctionName;
-
-
-
-
-
-bool IsFnBlackListed(const char * a_FnName)
-{
- static const char * BlackList[] =
- {
- "MyAllocHook",
- "_heap_alloc_dbg_impl",
- "_nh_malloc_dbg_impl",
- "_nh_malloc_dbg",
- "malloc",
- "operator new",
- "_malloc_dbg",
- "realloc_help",
- "_realloc_dbg",
- "realloc",
- "l_alloc",
- "luaM_realloc_",
- "",
- } ;
-
- for (int i = 0; i < ARRAYCOUNT(BlackList); i++)
- {
- if (strcmp(BlackList[i], a_FnName) == 0)
- {
- return true;
- }
- }
- return false;
-}
-
-
-
-
-
-const char * FindAttr(const char ** a_Attrs, const char * a_AttrName)
-{
- for (const char ** Attr = a_Attrs; *Attr != NULL; Attr += 2)
- {
- if (strcmp(*Attr, a_AttrName) == 0)
- {
- return *(Attr + 1);
- }
- } // for Attr - a_Attrs[]
- return NULL;
-}
-
-
-
-
-
-void OnStartElement(void * a_Data, const char * a_Element, const char ** a_Attrs)
-{
- if (strcmp(a_Element, "LEAK") == 0)
- {
- const char * attrID = FindAttr(a_Attrs, "requestID");
- const char * attrSize = FindAttr(a_Attrs, "size");
- g_CurrentID = atoi((attrID == NULL) ? "-1" : attrID);
- g_CurrentSize = atoi((attrSize == NULL) ? "-1" : attrSize);
- g_PrevFunctionName.clear();
- return;
- }
- if (strcmp(a_Element, "STACKENTRY") == 0)
- {
- const char * fnName = FindAttr(a_Attrs, "decl");
- if (fnName == NULL)
- {
- g_CurrentID = -1;
- g_CurrentSize = -1;
- return;
- }
- if (g_CurrentSize < 0)
- {
- return;
- }
- if (IsFnBlackListed(fnName))
- {
- return;
- }
- 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);
- }
- std::swap(g_PrevFunctionName, FunctionName); // We only care about moving FunctionName into g_PrevFunctionName
- return;
- }
-}
-
-
-
-
-
-void OnEndElement(void * a_Data, const char * a_Element)
-{
- if (strcmp(a_Element, "LEAK") == 0)
- {
- g_CurrentID = -1;
- g_CurrentSize = -1;
- return;
- }
-}
-
-
-
-
-
-bool CompareFnInt(const std::pair<AString, int> & a_First, const std::pair<AString, int> & a_Second)
-{
- return (a_First.second < a_Second.second);
-}
-
-
-
-
-
-void WriteSizeStatistics(void)
-{
- typedef std::vector<std::pair<AString, int> > StringIntPairs;
- StringIntPairs FnSizes;
-
- cFile f("memdump_totals.txt", cFile::fmWrite);
- if (!f.IsOpen())
- {
- LOGERROR("Cannot open memdump_totals.txt");
- return;
- }
-
- for (FunctionMap::iterator itr = g_FnMap.begin(), end = g_FnMap.end(); itr != end; ++itr)
- {
- FnSizes.push_back(std::pair<AString, int>(itr->first, itr->second.m_Size));
- } // for itr - g_FnSizes[]
- std::sort(FnSizes.begin(), FnSizes.end(), CompareFnInt);
-
- for (StringIntPairs::const_iterator itr = FnSizes.begin(), end = FnSizes.end(); itr != end; ++itr)
- {
- f.Printf("%d\t%s\n", itr->second, itr->first.c_str());
- } // for itr - FnSizes[]
-}
-
-
-
-
-
-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;
- res.reserve(a_Text.size());
- size_t len = a_Text.length();
- for (size_t i = 0; i < len; i++)
- {
- switch (a_Text[i])
- {
- case '<': res.append("<<BR/>"); break;
- case '>': res.append("<BR/>>"); break;
- case '&': res.append("&"); break;
- default:
- {
- res.push_back(a_Text[i]);
- }
- }
- } // for i - a_Text[]
- return res;
-}
-
-
-
-
-
-void WriteDotGraph(void)
-{
- cFile f("memdump.dot", cFile::fmWrite);
- if (!f.IsOpen())
- {
- LOGERROR("Cannot open memdump.dot");
- return;
- }
-
- 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)<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_Count
- );
- const AStringSet & Children = itrF->second.m_ChildrenNames;
- for (AStringSet::const_iterator itrN = Children.begin(), endN = Children.end(); itrN != endN; ++itrN)
- {
- f.Printf("\t\t\"%s\" -> \"%s\"\n", itrF->first.c_str(), itrN->c_str());
- }
- f.Printf("\n");
- } // for itr
- f.Printf("}\n");
-}
-
-
-
-
-
-int main(int argc, char * argv[])
-{
- // Open the dump file:
- cFile f("memdump.xml", cFile::fmRead);
- if (!f.IsOpen())
- {
- printf("Cannot open memdump.xml\n");
- return 1;
- }
-
- // Create the XML parser:
- XML_Parser Parser = XML_ParserCreate(NULL);
- XML_SetElementHandler(Parser, OnStartElement, OnEndElement);
-
- // Feed the file through XML parser:
- char Buffer[512 KiB];
- while (true)
- {
- int NumBytes = f.Read(Buffer, sizeof(Buffer));
- if (NumBytes <= 0)
- {
- break;
- }
- XML_Parse(Parser, Buffer, NumBytes, false);
- putc('.', stdout);
- }
- XML_Parse(Parser, "", 0, true);
- f.Close();
-
- // Output the statistics
- WriteSizeStatistics();
- WriteCountStatistics();
- WriteDotGraph();
-
- return 0;
-}
-
-
-
-
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