1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
//
// AutoTime.hpp
// MNN
//
// Created by MNN on 2018/07/27.
// Copyright © 2018, Alibaba Group Holding Limited
//
#ifndef AutoTime_hpp
#define AutoTime_hpp
#include <stdint.h>
#include <stdio.h>
#include <MNN/MNNDefine.h>
namespace MNN {
class MNN_PUBLIC Timer {
public:
Timer();
~Timer();
Timer(const Timer&) = delete;
Timer(const Timer&&) = delete;
Timer& operator=(const Timer&) = delete;
Timer& operator=(const Timer&&) = delete;
// reset timer
void reset();
// get duration (us) from init or latest reset.
uint64_t durationInUs();
protected:
uint64_t mLastResetTime;
};
/** time tracing util. prints duration between init and deinit. */
class MNN_PUBLIC AutoTime : Timer {
public:
AutoTime(int line, const char* func);
~AutoTime();
AutoTime(const AutoTime&) = delete;
AutoTime(const AutoTime&&) = delete;
AutoTime& operator=(const AutoTime&) = delete;
AutoTime& operator=(const AutoTime&&) = delete;
private:
int mLine;
char* mName;
};
} // namespace MNN
#ifdef MNN_OPEN_TIME_TRACE
#define AUTOTIME MNN::AutoTime ___t(__LINE__, __func__)
#else
#define AUTOTIME
#endif
#endif /* AutoTime_hpp */