1 /* 2 * Copyright (c) 2021 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 * Description: TraceOps defines 16 */ 17 #ifndef COMMON_TRACE_OPS_H 18 #define COMMON_TRACE_OPS_H 19 #include <string> 20 #include <vector> 21 #include "ftrace_namespace.h" 22 23 FTRACE_NS_BEGIN 24 class TraceOps { 25 public: 26 DISALLOW_COPY_AND_MOVE(TraceOps); 27 28 enum TraceType { 29 UNKNOW = 0, 30 HITRACE, 31 }; 32 33 TraceOps(const std::string& path, const std::string& arg0, TraceType type); 34 virtual ~TraceOps(); 35 36 bool IsSupported(); 37 38 bool HasCategory(const std::string& name); 39 bool EnableCategories(const std::vector<std::string>& categories, int traceTime = 0); 40 bool DisableCategories(); 41 42 std::string GetCommand() const; 43 TraceType GetTraceType() const; 44 45 protected: 46 virtual std::vector<std::string> ListCategories(); 47 virtual bool PrepareListCategoriesCmd(); 48 virtual bool PrepareEnableCategoriesCmd(int traceTime = 0); 49 virtual bool PrepareDisableCategoriesCmd(); 50 51 int ExecuteCommand(bool out2pipe = true, bool err2pipe = true); 52 53 protected: 54 std::string arg0_; 55 std::string bin_; 56 TraceType type_ = UNKNOW; 57 std::vector<std::string> targetCategories_; 58 std::vector<std::string> supportedCategories_; 59 std::vector<std::string> args_; 60 std::string output_; 61 }; 62 FTRACE_NS_END 63 64 #endif // COMMON_TRACE_OPS_H 65