/* * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Code Aurora Forum, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "profiler.h" #ifdef DEBUG_CALC_FPS #define LOG_TAG "CALCFPS" #define LOG_NDDEBUG 0 ANDROID_SINGLETON_STATIC_INSTANCE(CalcFps) ; CalcFps::CalcFps() { debug_fps_level = 0; Init(); } CalcFps::~CalcFps() { } void CalcFps::Init() { char prop[PROPERTY_VALUE_MAX]; property_get("debug.gr.calcfps", prop, "0"); debug_fps_level = atoi(prop); if (debug_fps_level > MAX_DEBUG_FPS_LEVEL) { LOGW("out of range value for debug.gr.calcfps, using 0"); debug_fps_level = 0; } LOGD("DEBUG_CALC_FPS: %d", debug_fps_level); populate_debug_fps_metadata(); } void CalcFps::Fps() { if (debug_fps_level > 0) calc_fps(ns2us(systemTime())); } void CalcFps::populate_debug_fps_metadata(void) { char prop[PROPERTY_VALUE_MAX]; /*defaults calculation of fps to based on number of frames*/ property_get("debug.gr.calcfps.type", prop, "0"); debug_fps_metadata.type = (debug_fps_metadata_t::DfmType) atoi(prop); /*defaults to 1000ms*/ property_get("debug.gr.calcfps.timeperiod", prop, "1000"); debug_fps_metadata.time_period = atoi(prop); property_get("debug.gr.calcfps.period", prop, "10"); debug_fps_metadata.period = atoi(prop); if (debug_fps_metadata.period > MAX_FPS_CALC_PERIOD_IN_FRAMES) { debug_fps_metadata.period = MAX_FPS_CALC_PERIOD_IN_FRAMES; } /* default ignorethresh_us: 500 milli seconds */ property_get("debug.gr.calcfps.ignorethresh_us", prop, "500000"); debug_fps_metadata.ignorethresh_us = atoi(prop); debug_fps_metadata.framearrival_steps = (debug_fps_metadata.ignorethresh_us / 16666); if (debug_fps_metadata.framearrival_steps > MAX_FRAMEARRIVAL_STEPS) { debug_fps_metadata.framearrival_steps = MAX_FRAMEARRIVAL_STEPS; debug_fps_metadata.ignorethresh_us = debug_fps_metadata.framearrival_steps * 16666; } /* 2ms margin of error for the gettimeofday */ debug_fps_metadata.margin_us = 2000; for (unsigned int i = 0; i < MAX_FRAMEARRIVAL_STEPS; i++) debug_fps_metadata.accum_framearrivals[i] = 0; LOGD("period: %d", debug_fps_metadata.period); LOGD("ignorethresh_us: %lld", debug_fps_metadata.ignorethresh_us); } void CalcFps::print_fps(float fps) { if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) LOGD("FPS for last %d frames: %3.2f", debug_fps_metadata.period, fps); else LOGD("FPS for last (%f ms, %d frames): %3.2f", debug_fps_metadata.time_elapsed, debug_fps_metadata.curr_frame, fps); debug_fps_metadata.curr_frame = 0; debug_fps_metadata.time_elapsed = 0.0; if (debug_fps_level > 1) { LOGD("Frame Arrival Distribution:"); for (unsigned int i = 0; i < ((debug_fps_metadata.framearrival_steps / 6) + 1); i++) { LOGD("%lld %lld %lld %lld %lld %lld", debug_fps_metadata.accum_framearrivals[i*6], debug_fps_metadata.accum_framearrivals[i*6+1], debug_fps_metadata.accum_framearrivals[i*6+2], debug_fps_metadata.accum_framearrivals[i*6+3], debug_fps_metadata.accum_framearrivals[i*6+4], debug_fps_metadata.accum_framearrivals[i*6+5]); } /* We are done with displaying, now clear the stats */ for (unsigned int i = 0; i < debug_fps_metadata.framearrival_steps; i++) debug_fps_metadata.accum_framearrivals[i] = 0; } return; } void CalcFps::calc_fps(nsecs_t currtime_us) { static nsecs_t oldtime_us = 0; nsecs_t diff = currtime_us - oldtime_us; oldtime_us = currtime_us; if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type && diff > debug_fps_metadata.ignorethresh_us) { return; } if (debug_fps_metadata.curr_frame < MAX_FPS_CALC_PERIOD_IN_FRAMES) { debug_fps_metadata.framearrivals[debug_fps_metadata.curr_frame] = diff; } debug_fps_metadata.curr_frame++; if (debug_fps_level > 1) { unsigned int currstep = (diff + debug_fps_metadata.margin_us) / 16666; if (currstep < debug_fps_metadata.framearrival_steps) { debug_fps_metadata.accum_framearrivals[currstep-1]++; } } if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) { if (debug_fps_metadata.curr_frame == debug_fps_metadata.period) { /* time to calculate and display FPS */ nsecs_t sum = 0; for (unsigned int i = 0; i < debug_fps_metadata.period; i++) sum += debug_fps_metadata.framearrivals[i]; print_fps((debug_fps_metadata.period * float(1000000))/float(sum)); } } else if (debug_fps_metadata_t::DFM_TIME == debug_fps_metadata.type) { debug_fps_metadata.time_elapsed += ((float)diff/1000.0); if (debug_fps_metadata.time_elapsed >= debug_fps_metadata.time_period) { float fps = (1000.0 * debug_fps_metadata.curr_frame)/ (float)debug_fps_metadata.time_elapsed; print_fps(fps); } } return; } #endif