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 #ifndef PANDA_RUNTIME_UTILS_H_ 16 #define PANDA_RUNTIME_UTILS_H_ 17 18 #include <cstdint> 19 20 #include "libpandabase/macros.h" 21 #include "runtime/include/mem/panda_string.h" 22 23 namespace panda::time { 24 25 constexpr size_t MILLISECONDS_IN_SECOND = 1000; 26 constexpr size_t PRECISION_FOR_TIME = 3; 27 28 /** 29 * Measures time from creation to deletion of an object 30 */ 31 class Timer { 32 public: 33 explicit Timer(uint64_t *duration, bool need_restart = false); 34 NO_COPY_SEMANTIC(Timer); 35 NO_MOVE_SEMANTIC(Timer); 36 ~Timer(); 37 38 private: 39 uint64_t *duration_; 40 uint64_t start_time_; 41 }; 42 43 /** 44 * Return current time in readable format 45 */ 46 PandaString GetCurrentTimeString(); 47 48 PandaString GetCurrentTimeString(const char *format); 49 50 } // namespace panda::time 51 52 #endif // PANDA_RUNTIME_UTILS_H_ 53