Trace.h revision 653078f652a7945756c2b02e294155a8345a5a1c
1/* 2 * Copyright (C) 2012 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 ANDROID_TRACE_H 18#define ANDROID_TRACE_H 19 20#include <fcntl.h> 21#include <stdint.h> 22#include <stdio.h> 23#include <string.h> 24#include <sys/stat.h> 25#include <sys/types.h> 26#include <unistd.h> 27 28#include <cutils/compiler.h> 29#include <utils/threads.h> 30#include <cutils/trace.h> 31 32// See <cutils/trace.h> for more ATRACE_* macros. 33 34// ATRACE_NAME traces the beginning and end of the current scope. To trace 35// the correct start and end times this macro should be declared first in the 36// scope body. 37#define ATRACE_NAME(name) android::ScopedTrace ___tracer(ATRACE_TAG, name) 38// ATRACE_CALL is an ATRACE_NAME that uses the current function name. 39#define ATRACE_CALL() ATRACE_NAME(__FUNCTION__) 40 41namespace android { 42 43class ScopedTrace { 44public: 45inline ScopedTrace(uint64_t tag, const char* name) 46 : mTag(tag) { 47 atrace_begin(mTag,name); 48} 49 50inline ~ScopedTrace() { 51 atrace_end(mTag); 52} 53 54private: 55 uint64_t mTag; 56}; 57 58}; // namespace android 59 60#endif // ANDROID_TRACE_H 61