1 /** 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_RUNTIME_TIMING_H 17 #define PANDA_RUNTIME_TIMING_H 18 19 #include <string> 20 #include <iostream> 21 #include <string_view> 22 23 #include "libpandabase/os/time.h" 24 #include "libpandabase/utils/time.h" 25 #include "runtime/include/mem/panda_containers.h" 26 #include "runtime/include/mem/panda_string.h" 27 28 namespace panda { 29 class Timing { 30 public: 31 Timing() = default; 32 33 ~Timing() = default; 34 35 enum class TimeLabelType { 36 BEGIN, 37 END, 38 }; 39 40 class TimeLabel { 41 public: 42 TimeLabel(std::string_view name, uint64_t time, uint64_t cpu_time, TimeLabelType type = TimeLabelType::BEGIN) name_(name)43 : name_(name), time_(time), cpu_time_(cpu_time), type_(type) 44 { 45 } 46 47 ~TimeLabel() = default; 48 GetType()49 TimeLabelType GetType() const 50 { 51 return type_; 52 } 53 GetName()54 std::string_view GetName() const 55 { 56 return name_; 57 } 58 GetTime()59 uint64_t GetTime() const 60 { 61 return time_; 62 } 63 SetTime(uint64_t duration)64 void SetTime(uint64_t duration) 65 { 66 time_ = duration; 67 } 68 GetCPUTime()69 uint64_t GetCPUTime() const 70 { 71 return cpu_time_; 72 } 73 SetCPUTime(uint64_t duration)74 void SetCPUTime(uint64_t duration) 75 { 76 cpu_time_ = duration; 77 } 78 79 DEFAULT_COPY_SEMANTIC(TimeLabel); 80 DEFAULT_MOVE_SEMANTIC(TimeLabel); 81 82 private: 83 std::string_view name_; 84 uint64_t time_; // After processed, time_ is used to save duration. 85 uint64_t cpu_time_; // After processed, cpu_time_ is used to save duration. 86 TimeLabelType type_; 87 }; 88 NewSection(std::string_view tag)89 void NewSection(std::string_view tag) 90 { 91 labels_.push_back(TimeLabel(tag, time::GetCurrentTimeInNanos(), panda::os::time::GetClockTimeInThreadCpuTime(), 92 TimeLabelType::BEGIN)); 93 } 94 EndSection()95 void EndSection() 96 { 97 labels_.push_back(TimeLabel("", time::GetCurrentTimeInNanos(), panda::os::time::GetClockTimeInThreadCpuTime(), 98 TimeLabelType::END)); 99 } 100 101 PandaString Dump(); 102 Reset()103 void Reset() 104 { 105 labels_.clear(); 106 } 107 108 static PandaString PrettyTimeNs(uint64_t duration); 109 110 private: 111 void Process(); 112 113 PandaVector<TimeLabel> labels_; 114 115 NO_MOVE_SEMANTIC(Timing); 116 NO_COPY_SEMANTIC(Timing); 117 }; 118 119 class ScopedTiming { 120 public: 121 // NOLINTNEXTLINE(google-runtime-references) ScopedTiming(std::string_view tag,Timing & timing)122 ScopedTiming(std::string_view tag, Timing &timing) : timing_(timing) 123 { 124 timing_.NewSection(tag); 125 } ~ScopedTiming()126 ~ScopedTiming() 127 { 128 timing_.EndSection(); 129 } 130 131 NO_MOVE_SEMANTIC(ScopedTiming); 132 NO_COPY_SEMANTIC(ScopedTiming); 133 134 private: 135 Timing &timing_; 136 }; 137 138 } // namespace panda 139 #endif // PANDA_RUNTIME_TIMING_H 140