Compute Library
 21.05
PMUCounter.cpp
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1 /*
2  * Copyright (c) 2017 Arm Limited.
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24 #include "PMUCounter.h"
25 
26 namespace arm_compute
27 {
28 namespace test
29 {
30 namespace framework
31 {
32 std::string PMUCounter::id() const
33 {
34  return "PMU Counter";
35 }
36 
38 {
39  _pmu_cycles.reset();
40  _pmu_instructions.reset();
41 }
42 
44 {
45  try
46  {
47  _cycles = _pmu_cycles.get_value<long long>();
48  }
49  catch(const std::runtime_error &)
50  {
51  _cycles = 0;
52  }
53 
54  try
55  {
56  _instructions = _pmu_instructions.get_value<long long>();
57  }
58  catch(const std::runtime_error &)
59  {
60  _instructions = 0;
61  }
62 }
63 
65 {
66  return MeasurementsMap
67  {
68  { "CPU cycles", Measurement(_cycles / _scale_factor, _unit + "cycles") },
69  { "CPU instructions", Measurement(_instructions / _scale_factor, _unit + "instructions") },
70  };
71 }
72 } // namespace framework
73 } // namespace test
74 } // namespace arm_compute
Generic measurement that stores values as either double or long long int.
Definition: Measurement.h:41
MeasurementsMap measurements() const override
Return the latest measurements.
Definition: PMUCounter.cpp:64
T get_value() const
Get the counter value.
Definition: PMU.h:91
Copyright (c) 2017-2021 Arm Limited.
void stop() override
Stop measuring.
Definition: PMUCounter.cpp:43
std::string id() const override
Identifier for the instrument.
Definition: PMUCounter.cpp:32
void start() override
Start measuring.
Definition: PMUCounter.cpp:37
std::map< std::string, Measurement > MeasurementsMap
Map of measurements.
Definition: Instrument.h:109
void reset()
Reset counter.
Definition: PMU.cpp:92