1 /* 2 * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. 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. 13 * * Neither the name of The Linux Foundation nor the names of its 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 #define LOG_NDDEBUG 0 31 #include <inttypes.h> 32 33 #include "profiler.h" 34 35 #ifdef DEBUG_CALC_FPS 36 37 38 ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::CalcFps) ; 39 40 namespace qdutils { 41 42 CalcFps::CalcFps() { 43 debug_fps_level = 0; 44 Init(); 45 } 46 47 CalcFps::~CalcFps() { 48 } 49 50 void CalcFps::Init() { 51 char prop[PROPERTY_VALUE_MAX]; 52 property_get("debug.gr.calcfps", prop, "0"); 53 debug_fps_level = atoi(prop); 54 if (debug_fps_level > MAX_DEBUG_FPS_LEVEL) { 55 ALOGW("out of range value for debug.gr.calcfps, using 0"); 56 debug_fps_level = 0; 57 } 58 59 ALOGD("DEBUG_CALC_FPS: %d", debug_fps_level); 60 populate_debug_fps_metadata(); 61 } 62 63 void CalcFps::Fps() { 64 if (debug_fps_level > 0) 65 calc_fps(ns2us(systemTime())); 66 } 67 68 void CalcFps::populate_debug_fps_metadata(void) 69 { 70 char prop[PROPERTY_VALUE_MAX]; 71 72 /*defaults calculation of fps to based on number of frames*/ 73 property_get("debug.gr.calcfps.type", prop, "0"); 74 debug_fps_metadata.type = (debug_fps_metadata_t::DfmType) atoi(prop); 75 76 /*defaults to 1000ms*/ 77 property_get("debug.gr.calcfps.timeperiod", prop, "1000"); 78 debug_fps_metadata.time_period = atoi(prop); 79 80 property_get("debug.gr.calcfps.period", prop, "10"); 81 debug_fps_metadata.period = atoi(prop); 82 83 if (debug_fps_metadata.period > MAX_FPS_CALC_PERIOD_IN_FRAMES) { 84 debug_fps_metadata.period = MAX_FPS_CALC_PERIOD_IN_FRAMES; 85 } 86 87 /* default ignorethresh_us: 500 milli seconds */ 88 property_get("debug.gr.calcfps.ignorethresh_us", prop, "500000"); 89 debug_fps_metadata.ignorethresh_us = atoi(prop); 90 91 debug_fps_metadata.framearrival_steps = 92 (unsigned int)(debug_fps_metadata.ignorethresh_us / 16666); 93 94 if (debug_fps_metadata.framearrival_steps > MAX_FRAMEARRIVAL_STEPS) { 95 debug_fps_metadata.framearrival_steps = MAX_FRAMEARRIVAL_STEPS; 96 debug_fps_metadata.ignorethresh_us = 97 debug_fps_metadata.framearrival_steps * 16666; 98 } 99 100 /* 2ms margin of error for the gettimeofday */ 101 debug_fps_metadata.margin_us = 2000; 102 103 for (unsigned int i = 0; i < MAX_FRAMEARRIVAL_STEPS; i++) 104 debug_fps_metadata.accum_framearrivals[i] = 0; 105 106 debug_fps_metadata.curr_frame = 0; 107 108 ALOGD("period: %u", debug_fps_metadata.period); 109 ALOGD("ignorethresh_us: %" PRId64, debug_fps_metadata.ignorethresh_us); 110 } 111 112 void CalcFps::print_fps(float fps) 113 { 114 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) 115 ALOGD("FPS for last %d frames: %3.2f", debug_fps_metadata.period, fps); 116 else 117 ALOGD("FPS for last (%f ms, %d frames): %3.2f", 118 debug_fps_metadata.time_elapsed, 119 debug_fps_metadata.curr_frame, fps); 120 121 debug_fps_metadata.curr_frame = 0; 122 debug_fps_metadata.time_elapsed = 0.0; 123 124 if (debug_fps_level > 1) { 125 ALOGD("Frame Arrival Distribution:"); 126 for (unsigned int i = 0; 127 i < ((debug_fps_metadata.framearrival_steps / 6) + 1); 128 i++) { 129 ALOGD("%" PRId64 " %" PRId64 " %" PRId64 " %" PRId64 " %" PRId64 " %" PRId64, 130 debug_fps_metadata.accum_framearrivals[i*6], 131 debug_fps_metadata.accum_framearrivals[i*6+1], 132 debug_fps_metadata.accum_framearrivals[i*6+2], 133 debug_fps_metadata.accum_framearrivals[i*6+3], 134 debug_fps_metadata.accum_framearrivals[i*6+4], 135 debug_fps_metadata.accum_framearrivals[i*6+5]); 136 } 137 138 /* We are done with displaying, now clear the stats */ 139 for (unsigned int i = 0; 140 i < debug_fps_metadata.framearrival_steps; 141 i++) 142 debug_fps_metadata.accum_framearrivals[i] = 0; 143 } 144 return; 145 } 146 147 void CalcFps::calc_fps(nsecs_t currtime_us) 148 { 149 static nsecs_t oldtime_us = 0; 150 151 nsecs_t diff = currtime_us - oldtime_us; 152 153 oldtime_us = currtime_us; 154 155 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type && 156 diff > debug_fps_metadata.ignorethresh_us) { 157 return; 158 } 159 160 if (debug_fps_metadata.curr_frame < MAX_FPS_CALC_PERIOD_IN_FRAMES) { 161 debug_fps_metadata.framearrivals[debug_fps_metadata.curr_frame] = diff; 162 } 163 164 debug_fps_metadata.curr_frame++; 165 166 if (debug_fps_level > 1) { 167 unsigned int currstep = 168 (unsigned int)(diff + debug_fps_metadata.margin_us) / 16666; 169 170 if (currstep < debug_fps_metadata.framearrival_steps) { 171 debug_fps_metadata.accum_framearrivals[currstep-1]++; 172 } 173 } 174 175 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) { 176 if (debug_fps_metadata.curr_frame == debug_fps_metadata.period) { 177 /* time to calculate and display FPS */ 178 nsecs_t sum = 0; 179 for (unsigned int i = 0; i < debug_fps_metadata.period; i++) 180 sum += debug_fps_metadata.framearrivals[i]; 181 print_fps(float(float(debug_fps_metadata.period * 1000000) / 182 (float)sum)); 183 } 184 } 185 else if (debug_fps_metadata_t::DFM_TIME == debug_fps_metadata.type) { 186 debug_fps_metadata.time_elapsed += (float)((float)diff/1000.0); 187 if (debug_fps_metadata.time_elapsed >= debug_fps_metadata.time_period) { 188 float fps = float(1000.0 * debug_fps_metadata.curr_frame/ 189 debug_fps_metadata.time_elapsed); 190 print_fps(fps); 191 } 192 } 193 return; 194 } 195 };//namespace qomutils 196 #endif 197
