1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cutils/trace.h> 20 #include <stdint.h> 21 22 namespace android { 23 namespace binder { 24 25 // Trampoline functions allowing generated aidls to trace binder transactions without depending on 26 // libcutils/libutils 27 void atrace_begin(uint64_t tag, const char* name); 28 void atrace_end(uint64_t tag); 29 30 class ScopedTrace { 31 public: ScopedTrace(uint64_t tag,const char * name)32 inline ScopedTrace(uint64_t tag, const char* name) : mTag(tag) { atrace_begin(mTag, name); } 33 ~ScopedTrace()34 inline ~ScopedTrace() { atrace_end(mTag); } 35 36 private: 37 uint64_t mTag; 38 }; 39 40 } // namespace binder 41 } // namespace android 42