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 32namespace default_camera_hal { 33 34class ScopedTrace { 35public: 36inline ScopedTrace(uint64_t tag, const char* name) 37 : mTag(tag) { 38 atrace_begin(mTag,name); 39} 40 41inline ~ScopedTrace() { 42 atrace_end(mTag); 43} 44 45private: 46 uint64_t mTag; 47}; 48 49}; // namespace default_camera_hal 50 51#endif // CAMERA_SCOPED_TRACE_H 52