1 /* 2 * Copyright (C) 2013 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 #ifndef CAMERA_SCOPED_TRACE_H 18 #define CAMERA_SCOPED_TRACE_H 19 20 #include <stdint.h> 21 #include <cutils/trace.h> 22 23 // See <cutils/trace.h> for more tracing macros. 24 25 // CAMTRACE_NAME traces the beginning and end of the current scope. To trace 26 // the correct start and end times this macro should be declared first in the 27 // scope body. 28 #define CAMTRACE_NAME(name) ScopedTrace ___tracer(ATRACE_TAG, name) 29 // CAMTRACE_CALL is an ATRACE_NAME that uses the current function name. 30 #define CAMTRACE_CALL() CAMTRACE_NAME(__FUNCTION__) 31 32 namespace default_camera_hal { 33 34 class ScopedTrace { 35 public: 36 inline ScopedTrace(uint64_t tag, const char* name) 37 : mTag(tag) { 38 atrace_begin(mTag,name); 39 } 40 41 inline ~ScopedTrace() { 42 atrace_end(mTag); 43 } 44 45 private: 46 uint64_t mTag; 47 }; 48 49 }; // namespace default_camera_hal 50 51 #endif // CAMERA_SCOPED_TRACE_H 52
