blob: 4b1fabe42c35901f4d899d3d878ef70cf1585d37 [file] [log] [blame]
Chris Craikf2d8ccc2013-02-13 16:14:17 -08001/*
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 ANDROID_HWUI_TIMING_H
18#define ANDROID_HWUI_TIMING_H
19
20#include <sys/time.h>
21
22#define TIME_METHOD() MethodTimer __method_timer(__func__)
23class MethodTimer {
24public:
Chih-Hung Hsiehf35c9392016-08-10 14:08:35 -070025 explicit MethodTimer(const char* name)
Chris Craikf2d8ccc2013-02-13 16:14:17 -080026 : mMethodName(name) {
Chris Craikd41c4d82015-01-05 15:51:13 -080027 gettimeofday(&mStart, nullptr);
Chris Craikf2d8ccc2013-02-13 16:14:17 -080028 }
29
30 ~MethodTimer() {
31 struct timeval stop;
Chris Craikd41c4d82015-01-05 15:51:13 -080032 gettimeofday(&stop, nullptr);
Chris Craikf2d8ccc2013-02-13 16:14:17 -080033 long long elapsed = (stop.tv_sec * 1000000) - (mStart.tv_sec * 1000000)
34 + (stop.tv_usec - mStart.tv_usec);
35 ALOGD("%s took %.2fms", mMethodName, elapsed / 1000.0);
36 }
37private:
38 const char* mMethodName;
39 struct timeval mStart;
40};
41
42#endif