Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 1 | /* |
Duy Truong | 73d36df | 2013-02-09 20:33:23 -0800 | [diff] [blame^] | 2 | * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. |
Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 3 | |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
Duy Truong | 73d36df | 2013-02-09 20:33:23 -0800 | [diff] [blame^] | 13 | * * Neither the name of The Linux Foundation nor the names of its |
Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #ifndef INCLUDE_PROFILER |
| 31 | #define INCLUDE_PROFILER |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <utils/Singleton.h> |
| 35 | #include <cutils/properties.h> |
| 36 | #include <cutils/log.h> |
Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 37 | |
| 38 | #ifndef DEBUG_CALC_FPS |
| 39 | #define CALC_FPS() ((void)0) |
| 40 | #define CALC_INIT() ((void)0) |
| 41 | #else |
Naseer Ahmed | a87da60 | 2012-07-01 23:54:19 -0700 | [diff] [blame] | 42 | #define CALC_FPS() qdutils::CalcFps::getInstance().Fps() |
| 43 | #define CALC_INIT() qdutils::CalcFps::getInstance().Init() |
| 44 | using namespace android; |
| 45 | namespace qdutils { |
Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 46 | class CalcFps : public Singleton<CalcFps> { |
| 47 | public: |
| 48 | CalcFps(); |
| 49 | ~CalcFps(); |
| 50 | |
| 51 | void Init(); |
| 52 | void Fps(); |
| 53 | |
| 54 | private: |
| 55 | static const unsigned int MAX_FPS_CALC_PERIOD_IN_FRAMES = 128; |
| 56 | static const unsigned int MAX_FRAMEARRIVAL_STEPS = 50; |
| 57 | static const unsigned int MAX_DEBUG_FPS_LEVEL = 2; |
| 58 | |
| 59 | struct debug_fps_metadata_t { |
| 60 | /*fps calculation based on time or number of frames*/ |
| 61 | enum DfmType { |
| 62 | DFM_FRAMES = 0, |
| 63 | DFM_TIME = 1, |
| 64 | }; |
| 65 | |
| 66 | DfmType type; |
| 67 | |
| 68 | /* indicates how much time do we wait till we calculate FPS */ |
| 69 | unsigned long time_period; |
| 70 | |
| 71 | /*indicates how much time elapsed since we report fps*/ |
| 72 | float time_elapsed; |
| 73 | |
| 74 | /* indicates how many frames do we wait till we calculate FPS */ |
| 75 | unsigned int period; |
| 76 | /* current frame, will go upto period, and then reset */ |
| 77 | unsigned int curr_frame; |
| 78 | /* frame will arrive at a multiple of 16666 us at the display. |
| 79 | This indicates how many steps to consider for our calculations. |
| 80 | For example, if framearrival_steps = 10, then the frame that arrived |
| 81 | after 166660 us or more will be ignored. |
| 82 | */ |
| 83 | unsigned int framearrival_steps; |
| 84 | /* ignorethresh_us = framearrival_steps * 16666 */ |
| 85 | nsecs_t ignorethresh_us; |
| 86 | /* used to calculate the actual frame arrival step, the times might not be |
| 87 | accurate |
| 88 | */ |
| 89 | unsigned int margin_us; |
| 90 | |
| 91 | /* actual data storage */ |
| 92 | nsecs_t framearrivals[MAX_FPS_CALC_PERIOD_IN_FRAMES]; |
| 93 | nsecs_t accum_framearrivals[MAX_FRAMEARRIVAL_STEPS]; |
| 94 | }; |
| 95 | |
| 96 | private: |
| 97 | void populate_debug_fps_metadata(void); |
| 98 | void print_fps(float fps); |
| 99 | void calc_fps(nsecs_t currtime_us); |
| 100 | |
| 101 | private: |
| 102 | debug_fps_metadata_t debug_fps_metadata; |
| 103 | unsigned int debug_fps_level; |
| 104 | }; |
Naseer Ahmed | a87da60 | 2012-07-01 23:54:19 -0700 | [diff] [blame] | 105 | };//namespace qdutils |
Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 106 | #endif |
| 107 | |
| 108 | #endif // INCLUDE_PROFILER |