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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_TEST_PMU_COUNTER
#define ARM_COMPUTE_TEST_PMU_COUNTER
#include "Instrument.h"
#include "PMU.h"
namespace arm_compute
{
namespace test
{
namespace framework
{
/** Implementation of an instrument to count CPU cycles. */
class PMUCounter : public Instrument
{
public:
/** Construct a PMU counter.
*
* @param[in] scale_factor Measurement scale factor.
*/
PMUCounter(ScaleFactor scale_factor)
{
switch(scale_factor)
{
case ScaleFactor::NONE:
_scale_factor = 1;
_unit = "";
break;
case ScaleFactor::SCALE_1K:
_scale_factor = 1000;
_unit = "K ";
break;
case ScaleFactor::SCALE_1M:
_scale_factor = 1000000;
_unit = "M ";
break;
default:
ARM_COMPUTE_ERROR("Invalid scale");
}
};
std::string id() const override;
void start() override;
void stop() override;
MeasurementsMap measurements() const override;
private:
PMU _pmu_cycles{ PERF_COUNT_HW_CPU_CYCLES };
PMU _pmu_instructions{ PERF_COUNT_HW_INSTRUCTIONS };
long long _cycles{ 0 };
long long _instructions{ 0 };
int _scale_factor{};
};
} // namespace framework
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_PMU_COUNTER */
|
