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198 lines
6.9 KiB
198 lines
6.9 KiB
/*
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* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LOG_NDDEBUG 0
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#define __STDC_FORMAT_MACROS 1
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#include <inttypes.h>
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#include "profiler.h"
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#ifdef DEBUG_CALC_FPS
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ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::CalcFps) ;
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namespace qdutils {
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CalcFps::CalcFps() {
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debug_fps_level = 0;
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Init();
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}
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CalcFps::~CalcFps() {
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}
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void CalcFps::Init() {
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char prop[PROPERTY_VALUE_MAX];
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property_get("debug.gr.calcfps", prop, "0");
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debug_fps_level = atoi(prop);
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if (debug_fps_level > MAX_DEBUG_FPS_LEVEL) {
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ALOGW("out of range value for debug.gr.calcfps, using 0");
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debug_fps_level = 0;
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}
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ALOGD("DEBUG_CALC_FPS: %d", debug_fps_level);
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populate_debug_fps_metadata();
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}
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void CalcFps::Fps() {
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if (debug_fps_level > 0)
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calc_fps(ns2us(systemTime()));
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}
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void CalcFps::populate_debug_fps_metadata(void)
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{
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char prop[PROPERTY_VALUE_MAX];
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/*defaults calculation of fps to based on number of frames*/
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property_get("debug.gr.calcfps.type", prop, "0");
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debug_fps_metadata.type = (debug_fps_metadata_t::DfmType) atoi(prop);
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/*defaults to 1000ms*/
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property_get("debug.gr.calcfps.timeperiod", prop, "1000");
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debug_fps_metadata.time_period = atoi(prop);
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property_get("debug.gr.calcfps.period", prop, "10");
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debug_fps_metadata.period = atoi(prop);
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if (debug_fps_metadata.period > MAX_FPS_CALC_PERIOD_IN_FRAMES) {
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debug_fps_metadata.period = MAX_FPS_CALC_PERIOD_IN_FRAMES;
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}
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/* default ignorethresh_us: 500 milli seconds */
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property_get("debug.gr.calcfps.ignorethresh_us", prop, "500000");
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debug_fps_metadata.ignorethresh_us = atoi(prop);
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debug_fps_metadata.framearrival_steps =
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(unsigned int)(debug_fps_metadata.ignorethresh_us / 16666);
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if (debug_fps_metadata.framearrival_steps > MAX_FRAMEARRIVAL_STEPS) {
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debug_fps_metadata.framearrival_steps = MAX_FRAMEARRIVAL_STEPS;
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debug_fps_metadata.ignorethresh_us =
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debug_fps_metadata.framearrival_steps * 16666;
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}
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/* 2ms margin of error for the gettimeofday */
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debug_fps_metadata.margin_us = 2000;
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for (unsigned int i = 0; i < MAX_FRAMEARRIVAL_STEPS; i++)
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debug_fps_metadata.accum_framearrivals[i] = 0;
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debug_fps_metadata.curr_frame = 0;
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ALOGD("period: %u", debug_fps_metadata.period);
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ALOGD("ignorethresh_us: %" PRId64, debug_fps_metadata.ignorethresh_us);
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}
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void CalcFps::print_fps(float fps)
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{
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if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type)
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ALOGD("FPS for last %d frames: %3.2f", debug_fps_metadata.period, fps);
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else
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ALOGD("FPS for last (%f ms, %d frames): %3.2f",
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debug_fps_metadata.time_elapsed,
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debug_fps_metadata.curr_frame, fps);
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debug_fps_metadata.curr_frame = 0;
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debug_fps_metadata.time_elapsed = 0.0;
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if (debug_fps_level > 1) {
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ALOGD("Frame Arrival Distribution:");
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for (unsigned int i = 0;
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i < ((debug_fps_metadata.framearrival_steps / 6) + 1);
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i++) {
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ALOGD("%" PRId64" %" PRId64" %" PRId64" %" PRId64" %" PRId64" %" PRId64,
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debug_fps_metadata.accum_framearrivals[i*6],
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debug_fps_metadata.accum_framearrivals[i*6+1],
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debug_fps_metadata.accum_framearrivals[i*6+2],
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debug_fps_metadata.accum_framearrivals[i*6+3],
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debug_fps_metadata.accum_framearrivals[i*6+4],
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debug_fps_metadata.accum_framearrivals[i*6+5]);
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}
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/* We are done with displaying, now clear the stats */
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for (unsigned int i = 0;
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i < debug_fps_metadata.framearrival_steps;
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i++)
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debug_fps_metadata.accum_framearrivals[i] = 0;
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}
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return;
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}
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void CalcFps::calc_fps(nsecs_t currtime_us)
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{
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static nsecs_t oldtime_us = 0;
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nsecs_t diff = currtime_us - oldtime_us;
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oldtime_us = currtime_us;
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if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type &&
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diff > debug_fps_metadata.ignorethresh_us) {
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return;
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}
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if (debug_fps_metadata.curr_frame < MAX_FPS_CALC_PERIOD_IN_FRAMES) {
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debug_fps_metadata.framearrivals[debug_fps_metadata.curr_frame] = diff;
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}
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debug_fps_metadata.curr_frame++;
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if (debug_fps_level > 1) {
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unsigned int currstep =
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(unsigned int)(diff + debug_fps_metadata.margin_us) / 16666;
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if (currstep < debug_fps_metadata.framearrival_steps) {
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debug_fps_metadata.accum_framearrivals[currstep-1]++;
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}
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}
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if (debug_fps_metadata_t::DFM_FRAMES == debug_fps_metadata.type) {
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if (debug_fps_metadata.curr_frame == debug_fps_metadata.period) {
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/* time to calculate and display FPS */
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nsecs_t sum = 0;
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for (unsigned int i = 0; i < debug_fps_metadata.period; i++)
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sum += debug_fps_metadata.framearrivals[i];
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print_fps(float(float(debug_fps_metadata.period * 1000000) /
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(float)sum));
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}
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}
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else if (debug_fps_metadata_t::DFM_TIME == debug_fps_metadata.type) {
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debug_fps_metadata.time_elapsed += (float)((float)diff/1000.0);
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if (debug_fps_metadata.time_elapsed >= debug_fps_metadata.time_period) {
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float fps = float(1000.0 * debug_fps_metadata.curr_frame/
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debug_fps_metadata.time_elapsed);
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print_fps(fps);
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}
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}
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return;
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}
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};//namespace qomutils
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#endif
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