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 #define __STDC_FORMAT_MACROS 1 32 #include <inttypes.h> 33 34 #include "profiler.h" 35 36 #ifdef DEBUG_CALC_FPS 37 38 39 ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::CalcFps) ; 40 41 namespace qdutils { 42 43 CalcFps::CalcFps() { 44 debug_fps_level = 0; 45 Init(); 46 } 47 48 CalcFps::~CalcFps() { 49 } 50 51 void CalcFps::Init() { 52 char prop[PROPERTY_VALUE_MAX]; 53 property_get("debug.gr.calcfps", prop, "0"); 54 debug_fps_level = atoi(prop); 55 if (debug_fps_level > MAX_DEBUG_FPS_LEVEL) { 56 ALOGW("out of range value for debug.gr.calcfps, using 0"); 57 debug_fps_level = 0; 58 } 59 60 ALOGD("DEBUG_CALC_FPS: %d", debug_fps_level); 61 populate_debug_fps_metadata(); 62 } 63 64 void CalcFps::Fps() { 65 if (debug_fps_level > 0) 66 calc_fps(ns2us(systemTime())); 67 } 68 69 void CalcFps::populate_debug_fps_metadata(void) 70 { 71 char prop[PROPERTY_VALUE_MAX]; 72 73 /*defaults calculation of fps to based on number of frames*/ 74 property_get("debug.gr.calcfps.type", prop, "0"); 75 debug_fps_metadata.type = (debug_fps_metadata_t::DfmType) atoi(prop); 76 77 /*defaults to 1000ms*/ 78 property_get("debug.gr.calcfps.timeperiod", prop, "1000"); 79 debug_fps_metadata.time_period = atoi(prop); 80 81 property_get("debug.gr.calcfps.period", prop, "10"); 82 debug_fps_metadata.period = atoi(prop); 83 84 if (debug_fps_metadata.period > MAX_FPS_CALC_PERIOD_IN_FRAMES) { 85 debug_fps_metadata.period = MAX_FPS_CALC_PERIOD_IN_FRAMES; 86 } 87 88 /* default ignorethresh_us: 500 milli seconds */ 89 property_get("debug.gr.calcfps.ignorethresh_us", prop, "500000"); 90 debug_fps_metadata.ignorethresh_us = atoi(prop); 91 92 debug_fps_metadata.framearrival_steps = 93 (unsigned int)(debug_fps_metadata.ignorethresh_us / 16666); 94 95 if (debug_fps_metadata.framearrival_steps > MAX_FRAMEARRIVAL_STEPS) { 96 debug_fps_metadata.framearrival_steps = MAX_FRAMEARRIVAL_STEPS; 97 debug_fps_metadata.ignorethresh_us = 98 debug_fps_metadata.framearrival_steps * 16666; 99 } 100 101 /* 2ms margin of error for the gettimeofday */ 102 debug_fps_metadata.margin_us = 2000; 103 104 for (unsigned int i = 0; i < MAX_FRAMEARRIVAL_STEPS; i++) 105 debug_fps_metadata.accum_framearrivals[i] = 0; 106 107 debug_fps_metadata.curr_frame = 0; 108 109 ALOGD("period: %u", debug_fps_metadata.period); 110 ALOGD("ignorethresh_us: %" PRId64, debug_fps_metadata.ignorethresh_us); 111 } 112 113 void CalcFps::print_fps(float fps) 114 { 115 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) 116 ALOGD("FPS for last %d frames: %3.2f", debug_fps_metadata.period, fps); 117 else 118 ALOGD("FPS for last (%f ms, %d frames): %3.2f", 119 debug_fps_metadata.time_elapsed, 120 debug_fps_metadata.curr_frame, fps); 121 122 debug_fps_metadata.curr_frame = 0; 123 debug_fps_metadata.time_elapsed = 0.0; 124 125 if (debug_fps_level > 1) { 126 ALOGD("Frame Arrival Distribution:"); 127 for (unsigned int i = 0; 128 i < ((debug_fps_metadata.framearrival_steps / 6) + 1); 129 i++) { 130 ALOGD("%" PRId64" %" PRId64" %" PRId64" %" PRId64" %" PRId64" %" PRId64, 131 debug_fps_metadata.accum_framearrivals[i*6], 132 debug_fps_metadata.accum_framearrivals[i*6+1], 133 debug_fps_metadata.accum_framearrivals[i*6+2], 134 debug_fps_metadata.accum_framearrivals[i*6+3], 135 debug_fps_metadata.accum_framearrivals[i*6+4], 136 debug_fps_metadata.accum_framearrivals[i*6+5]); 137 } 138 139 /* We are done with displaying, now clear the stats */ 140 for (unsigned int i = 0; 141 i < debug_fps_metadata.framearrival_steps; 142 i++) 143 debug_fps_metadata.accum_framearrivals[i] = 0; 144 } 145 return; 146 } 147 148 void CalcFps::calc_fps(nsecs_t currtime_us) 149 { 150 static nsecs_t oldtime_us = 0; 151 152 nsecs_t diff = currtime_us - oldtime_us; 153 154 oldtime_us = currtime_us; 155 156 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type && 157 diff > debug_fps_metadata.ignorethresh_us) { 158 return; 159 } 160 161 if (debug_fps_metadata.curr_frame < MAX_FPS_CALC_PERIOD_IN_FRAMES) { 162 debug_fps_metadata.framearrivals[debug_fps_metadata.curr_frame] = diff; 163 } 164 165 debug_fps_metadata.curr_frame++; 166 167 if (debug_fps_level > 1) { 168 unsigned int currstep = 169 (unsigned int)(diff + debug_fps_metadata.margin_us) / 16666; 170 171 if (currstep < debug_fps_metadata.framearrival_steps) { 172 debug_fps_metadata.accum_framearrivals[currstep-1]++; 173 } 174 } 175 176 if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) { 177 if (debug_fps_metadata.curr_frame == debug_fps_metadata.period) { 178 /* time to calculate and display FPS */ 179 nsecs_t sum = 0; 180 for (unsigned int i = 0; i < debug_fps_metadata.period; i++) 181 sum += debug_fps_metadata.framearrivals[i]; 182 print_fps(float(float(debug_fps_metadata.period * 1000000) / 183 (float)sum)); 184 } 185 } 186 else if (debug_fps_metadata_t::DFM_TIME == debug_fps_metadata.type) { 187 debug_fps_metadata.time_elapsed += (float)((float)diff/1000.0); 188 if (debug_fps_metadata.time_elapsed >= debug_fps_metadata.time_period) { 189 float fps = float(1000.0 * debug_fps_metadata.curr_frame/ 190 debug_fps_metadata.time_elapsed); 191 print_fps(fps); 192 } 193 } 194 return; 195 } 196 };//namespace qomutils 197 #endif 198
