1 /* 2 * Copyright (c) 2025 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 DFX_LPERF_H 16 #define DFX_LPERF_H 17 18 #include <cinttypes> 19 20 namespace OHOS { 21 namespace HiviewDFX { 22 namespace { 23 constexpr int MIN_SAMPLE_TIDS = 1; 24 constexpr int MAX_SAMPLE_TIDS = 10; 25 constexpr int MIN_SAMPLE_FREQUENCY = 1; 26 constexpr int MAX_SAMPLE_FREQUENCY = 100; 27 constexpr int MIN_STOP_SECONDS = 1; 28 constexpr int MAX_STOP_SECONDS = 10000; 29 constexpr int DUMP_LITEPERF_TIMEOUT = 5000; 30 } 31 32 /** 33 * @brief lite perf struct 34 * It serves as the public definition of the lite perf. 35 */ 36 struct LitePerfParam { 37 int pid; 38 int tids[MAX_SAMPLE_TIDS]; 39 int freq = 0; 40 int durationMs = 0; 41 }; 42 } // namespace HiviewDFX 43 } // namespace OHOS 44 #endif 45