| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #ifndef TRACE_H |
| #define TRACE_H |
| |
| #include "jni.h" |
| |
| enum Phase { |
| TRACE_EVENT_PHASE_BEGIN, |
| TRACE_EVENT_PHASE_END, |
| TRACE_EVENT_PHASE_INSTANT, |
| }; |
| |
| #define TRACE_EVENT_BEGIN0(category_group, name) \ |
| { \ |
| using base::debug::TraceEvent; \ |
| TraceEvent te(category_group, name, \ |
| TRACE_EVENT_PHASE_BEGIN); \ |
| te.SendToATrace(); \ |
| } |
| |
| #define TRACE_EVENT_END0(category_group, name) \ |
| { \ |
| using base::debug::TraceEvent; \ |
| TraceEvent te(category_group, name, \ |
| TRACE_EVENT_PHASE_END); \ |
| te.SendToATrace(); \ |
| } |
| |
| #define TRACE_EVENT_BEGIN1(category_group, name, key, value) \ |
| { \ |
| using base::debug::TraceEvent; \ |
| TraceEvent te(category_group, name, \ |
| TRACE_EVENT_PHASE_BEGIN); \ |
| te.SetArgs(key, value); \ |
| te.SendToATrace(); \ |
| } |
| |
| namespace base { |
| namespace debug { |
| class TraceEvent { |
| public: |
| TraceEvent(const char* category_group, const char* name, Phase phase); |
| static void StartATrace(JNIEnv*); |
| static void StopATrace(JNIEnv*); |
| static bool isEnable(); |
| |
| void SendToATrace(); |
| inline void SetArgs(const char* key, const char* value) { |
| key_ = key; |
| value_ = value; |
| } |
| |
| private: |
| Phase phase_; |
| const char* category_group_; |
| const char* name_; |
| const char* key_; |
| const char* value_; |
| }; |
| |
| class TraceScope { |
| public: |
| inline TraceScope(const char* category_group, |
| const char* name, |
| const char* key = nullptr, |
| const char* value = nullptr); |
| inline ~TraceScope(); |
| |
| private: |
| const char* category_group_; |
| const char* name_; |
| }; |
| |
| TraceScope::TraceScope(const char* category_group, |
| const char* name, |
| const char* key, |
| const char* value) |
| : category_group_(category_group), name_(name) { |
| TRACE_EVENT_BEGIN1(category_group, name, key, value); |
| } |
| TraceScope::~TraceScope() { |
| TRACE_EVENT_END0(category_group_, name_); |
| } |
| } |
| } |
| #endif /* TRACE_H */ |