/*
* Copyright (c) 2011-2012, The Linux Foundation. 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 The Linux Foundation 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.
*/
#define LOG_NDDEBUG 0
#include "profiler.h"
#ifdef DEBUG_CALC_FPS
namespace android {
ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::CalcFps) ;
}
namespace qdutils {
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) {
ALOGW("out of range value for debug.gr.calcfps, using 0");
debug_fps_level = 0;
}
ALOGD("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;
ALOGD("period: %d", debug_fps_metadata.period);
ALOGD("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)
ALOGD("FPS for last %d frames: %3.2f", debug_fps_metadata.period, fps);
else
ALOGD("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) {
ALOGD("Frame Arrival Distribution:");
for (unsigned int i = 0;
i < ((debug_fps_metadata.framearrival_steps / 6) + 1);
i++) {
ALOGD("%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;
}
};//namespace qomutils
#endif