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: HitraceOps implements 16 */ 17 #include "hitrace_ops.h" 18 19 #include "logging.h" 20 #include "string_utils.h" 21 22 FTRACE_NS_BEGIN HitraceOps()23HitraceOps::HitraceOps() : TraceOps("/system/bin/hitrace", "hitrace", HITRACE) {} 24 ~HitraceOps()25HitraceOps::~HitraceOps() {} 26 PrepareListCategoriesCmd()27bool HitraceOps::PrepareListCategoriesCmd() 28 { 29 args_.push_back("-l"); 30 return true; 31 } 32 PrepareEnableCategoriesCmd(int traceTime)33bool HitraceOps::PrepareEnableCategoriesCmd(int traceTime) 34 { 35 if (traceTime == 0) { 36 traceTime = 1; 37 } 38 args_.push_back("--trace_begin"); 39 args_.push_back("-t"); 40 args_.push_back(std::to_string(traceTime)); 41 42 for (auto& category : targetCategories_) { 43 args_.push_back(category); 44 } 45 return true; 46 } 47 PrepareDisableCategoriesCmd()48bool HitraceOps::PrepareDisableCategoriesCmd() 49 { 50 args_.push_back("--trace_finish_nodump"); 51 return true; 52 } 53 FTRACE_NS_END 54