1/*
2 * Copyright (C) 2017 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#pragma once
18
19#if defined(__ANDROID__)
20
21#include <stdint.h>
22
23#include <cutils/trace.h>
24
25// See <cutils/trace.h> for more ATRACE_* macros.
26
27// ATRACE_NAME traces from its location until the end of its enclosing scope.
28#define _PASTE(x, y) x ## y
29#define PASTE(x, y) _PASTE(x,y)
30#define ATRACE_NAME(name) android::EglScopedTrace PASTE(___tracer, __LINE__) (ATRACE_TAG, name)
31
32// ATRACE_CALL is an ATRACE_NAME that uses the current function name.
33#define ATRACE_CALL() ATRACE_NAME(__FUNCTION__)
34
35namespace android {
36
37class EglScopedTrace {
38public:
39    inline EglScopedTrace(uint64_t tag, const char* name) : mTag(tag) {
40        atrace_begin(mTag, name);
41    }
42
43    inline ~EglScopedTrace() {
44        atrace_end(mTag);
45    }
46
47private:
48    uint64_t mTag;
49};
50
51}; // namespace android
52
53#else // !__ANDROID__
54
55#define ATRACE_NAME(...)
56#define ATRACE_CALL()
57
58#endif // __ANDROID__
59