1 files changed, 71 insertions, 0 deletions
diff --git a/lldb/tools/lldb-perf/lib/Metric.h b/lldb/tools/lldb-perf/lib/Metric.h
new file mode 100644
index 00000000000..33ed6c27443
--- /dev/null
+++ b/lldb/tools/lldb-perf/lib/Metric.h
@@ -0,0 +1,71 @@
+//
+//  Metric.h
+//  PerfTestDriver
+//
+//  Created by Enrico Granata on 3/7/13.
+//  Copyright (c) 2013 Apple Inc. All rights reserved.
+//
+
+#ifndef __PerfTestDriver__Metric__
+#define __PerfTestDriver__Metric__
+
+#include <vector>
+#include <string>
+#include <mach/task_info.h>
+
+#include "CFCMutableArray.h"
+
+namespace lldb { namespace perf
+{
+class WriteToPList
+{
+public:
+    virtual void
+    Write (CFCMutableArray& parent) = 0;
+    
+    virtual
+    ~WriteToPList () {}
+};
+
+template <class ValueType>
+class Metric : public WriteToPList {
+public:
+    Metric ();
+    Metric (const char*);
+    
+    void
+    append (ValueType v);
+    
+    size_t
+    count ();
+    
+    ValueType
+    sum ();
+    
+    ValueType
+    average ();
+    
+    const char*
+    name ();
+    
+    virtual void
+    Write (CFCMutableArray& parent)
+    {
+        WriteImpl(parent, identity<ValueType>());
+    }
+    
+private:
+
+    template<typename T>
+    struct identity { typedef T type; };
+    
+    void WriteImpl (CFCMutableArray& parent, identity<double>);
+
+    void WriteImpl (CFCMutableArray& parent, identity<mach_vm_size_t>);
+    
+    std::string m_name;
+    std::vector<ValueType> m_dataset;
+};
+} }
+
+#endif /* defined(__PerfTestDriver__Metric__) */