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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_TRACE_H
#define ANDROID_TRACE_H
#if defined(__ANDROID__)
#include <stdint.h>
#include <cutils/trace.h>
// See <cutils/trace.h> for more ATRACE_* macros.
// ATRACE_NAME traces from its location until the end of its enclosing scope.
#define _PASTE(x, y) x ## y
#define PASTE(x, y) _PASTE(x,y)
#define ATRACE_NAME(name) android::ScopedTrace PASTE(___tracer, __LINE__) (ATRACE_TAG, name)
// ATRACE_CALL is an ATRACE_NAME that uses the current function name.
#define ATRACE_CALL() ATRACE_NAME(__FUNCTION__)
namespace android {
class ScopedTrace {
public:
inline ScopedTrace(uint64_t tag, const char* name) : mTag(tag) {
atrace_begin(mTag, name);
}
inline ~ScopedTrace() {
atrace_end(mTag);
}
private:
uint64_t mTag;
};
}; // namespace android
#else // !__ANDROID__
#define ATRACE_NAME(...)
#define ATRACE_CALL()
#endif // __ANDROID__
#endif // ANDROID_TRACE_H
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