1 files changed, 40 insertions, 0 deletions
diff --git a/src/vm/perfinfo.h b/src/vm/perfinfo.h
new file mode 100644
index 0000000000..4ea87f35b4
--- /dev/null
+++ b/src/vm/perfinfo.h
@@ -0,0 +1,40 @@
+// 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: perfinfo.h
+//
+
+#ifndef PERFINFO_H
+#define PERFINFO_H
+
+
+#include "sstring.h"
+#include "fstream.h"
+
+/*
+   A perfinfo-%d.map is created for every process that is created with manage code, the %d
+   being repaced with the process ID.
+   Every line in the perfinfo-%d.map is a type and value, separated by sDelimiter character: type;value
+   type represents what the user might want to do with its given value. value has a format chosen by
+   the user for parsing later on.
+*/
+class PerfInfo {
+public:
+    PerfInfo(int pid);
+    ~PerfInfo();
+    void LogImage(PEFile* pFile, WCHAR* guid); 
+
+private:
+    CFileStream* m_Stream;
+
+    const char sDelimiter = ';';
+
+    void OpenFile(SString& path);
+
+    void WriteLine(SString& type, SString& value);
+
+};
+
+
+#endif