| #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 */ |