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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
// ===========================================================================
// File: perfmap.h
//
#ifndef PERFPID_H
#define PERFPID_H
#include "sstring.h"
#include "fstream.h"
class PerfInfo;
// Generates a perfmap file.
class PerfMap
{
private:
// The one and only PerfMap for the process.
static PerfMap * s_Current;
// The file stream to write the map to.
CFileStream * m_FileStream;
// The perfinfo file to log images to.
PerfInfo* m_PerfInfo;
// Set to true if an error is encountered when writing to the file.
bool m_ErrorEncountered;
// Construct a new map for the specified pid.
PerfMap(int pid);
// Write a line to the map file.
void WriteLine(SString & line);
protected:
// Construct a new map without a specified file name.
// Used for offline creation of NGEN map files.
PerfMap();
// Clean-up resources.
~PerfMap();
// Open the perf map file for write.
void OpenFile(SString& path);
// Does the actual work to log a method to the map.
void LogMethod(MethodDesc * pMethod, PCODE pCode, size_t codeSize);
// Does the actual work to log an image
void LogImage(PEFile * pFile);
// Get the image signature and store it as a string.
static void GetNativeImageSignature(PEFile * pFile, WCHAR * pwszSig, unsigned int nSigSize);
public:
// Initialize the map for the current process.
static void Initialize();
// Log a native image load to the map.
static void LogImageLoad(PEFile * pFile);
// Log a JIT compiled method to the map.
static void LogJITCompiledMethod(MethodDesc * pMethod, PCODE pCode, size_t codeSize);
// Close the map and flush any remaining data.
static void Destroy();
};
// Generates a perfmap file for a native image by running crossgen.
class NativeImagePerfMap : PerfMap
{
private:
// Log a pre-compiled method to the map.
void LogPreCompiledMethod(MethodDesc * pMethod, PCODE pCode, SIZE_T baseAddr);
public:
// Construct a new map for a native image.
NativeImagePerfMap(Assembly * pAssembly, BSTR pDestPath);
// Log method information for each module.
void LogDataForModule(Module * pModule);
};
#endif // PERFPID_H
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