Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 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> |
Alex Ray | 5b2d36e | 2012-11-14 17:28:10 -0800 | [diff] [blame^] | 30 | #include <cutils/trace.h> |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 31 | |
Alex Ray | 5b2d36e | 2012-11-14 17:28:10 -0800 | [diff] [blame^] | 32 | // See <cutils/trace.h> for more ATRACE_* macros. |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 33 | |
| 34 | // ATRACE_CALL traces the beginning and end of the current function. To trace |
| 35 | // the correct start and end times this macro should be the first line of the |
| 36 | // function body. |
| 37 | #define ATRACE_CALL() android::ScopedTrace ___tracer(ATRACE_TAG, __FUNCTION__) |
| 38 | |
Romain Guy | 3fc49ad | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 39 | // ATRACE_NAME traces the beginning and end of the current function. To trace |
| 40 | // the correct start and end times this macro should be the first line of the |
| 41 | // function body. |
| 42 | #define ATRACE_NAME(name) android::ScopedTrace ___tracer(ATRACE_TAG, name) |
| 43 | |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 44 | namespace android { |
| 45 | |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 46 | class ScopedTrace { |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 47 | public: |
Alex Ray | 5b2d36e | 2012-11-14 17:28:10 -0800 | [diff] [blame^] | 48 | inline ScopedTrace(uint64_t tag, const char* name) |
| 49 | : mTag(tag) { |
| 50 | atrace_begin(mTag,name); |
| 51 | } |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 52 | |
Alex Ray | 5b2d36e | 2012-11-14 17:28:10 -0800 | [diff] [blame^] | 53 | inline ~ScopedTrace() { |
| 54 | atrace_end(mTag); |
| 55 | } |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 56 | |
| 57 | private: |
Jamie Gennis | 2ccfe1a | 2012-02-23 11:28:28 -0800 | [diff] [blame] | 58 | uint64_t mTag; |
| 59 | }; |
| 60 | |
| 61 | }; // namespace android |
| 62 | |
| 63 | #endif // ANDROID_TRACE_H |