| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkATrace_DEFINED |
| #define SkATrace_DEFINED |
| |
| #include "include/utils/SkEventTracer.h" |
| |
| /** |
| * This class is used to support ATrace in android apps. It hooks into the SkEventTracer system. It |
| * currently supports the macros TRACE_EVENT*, TRACE_EVENT_INSTANT*, and TRACE_EVENT_BEGIN/END*. |
| * For versions of these calls that take additoinal args and value pairs we currently just drop them |
| * and report only the name. Since ATrace is a simple push and pop system (all traces are fully |
| * nested), if using BEGIN and END you should also make sure your calls are properly nested (i.e. if |
| * startA is before startB, then endB is before endA). |
| */ |
| class SkATrace : public SkEventTracer { |
| public: |
| SkATrace(); |
| |
| SkEventTracer::Handle addTraceEvent(char phase, |
| const uint8_t* categoryEnabledFlag, |
| const char* name, |
| uint64_t id, |
| int numArgs, |
| const char** argNames, |
| const uint8_t* argTypes, |
| const uint64_t* argValues, |
| uint8_t flags) override; |
| |
| |
| void updateTraceEventDuration(const uint8_t* categoryEnabledFlag, |
| const char* name, |
| SkEventTracer::Handle handle) override; |
| |
| const uint8_t* getCategoryGroupEnabled(const char* name) override; |
| |
| const char* getCategoryGroupName(const uint8_t* categoryEnabledFlag) override { |
| static const char* category = "skiaATrace"; |
| return category; |
| } |
| |
| private: |
| void (*fBeginSection)(const char*); |
| void (*fEndSection)(void); |
| bool (*fIsEnabled)(void); |
| }; |
| |
| #endif |