Metric.h revision f5af85a2946ed4e1ff4766829d328cfb4961f259 
1//
2//  Metric.h
3//  PerfTestDriver
4//
5//  Created by Enrico Granata on 3/7/13.
6//  Copyright (c) 2013 Apple Inc. All rights reserved.
7//
8
9#ifndef __PerfTestDriver__Metric__
10#define __PerfTestDriver__Metric__
11
12#include <vector>
13#include <string>
14#include <mach/task_info.h>
15
16#include "CFCMutableArray.h"
17
18namespace lldb { namespace perf
19{
20class WriteToPList
21{
22public:
23    virtual void
24    Write (CFCMutableArray& parent) = 0;
25
26    virtual
27    ~WriteToPList () {}
28};
29
30template <class ValueType>
31class Metric : public WriteToPList {
32public:
33    Metric ();
34    Metric (const char*);
35
36    void
37    append (ValueType v);
38
39    size_t
40    count ();
41
42    ValueType
43    sum ();
44
45    ValueType
46    average ();
47
48    const char*
49    name ();
50
51    virtual void
52    Write (CFCMutableArray& parent)
53    {
54        WriteImpl(parent, identity<ValueType>());
55    }
56
57private:
58
59    template<typename T>
60    struct identity { typedef T type; };
61
62    void WriteImpl (CFCMutableArray& parent, identity<double>);
63
64    void WriteImpl (CFCMutableArray& parent, identity<mach_vm_size_t>);
65
66    std::string m_name;
67    std::vector<ValueType> m_dataset;
68};
69} }
70
71#endif /* defined(__PerfTestDriver__Metric__) */
72