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109 lines
3.9 KiB
109 lines
3.9 KiB
4 months ago
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/*
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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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#ifndef INCLUDE_PROFILER
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#define INCLUDE_PROFILER
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#include <stdio.h>
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#include <utils/Singleton.h>
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#include <cutils/properties.h>
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#include <log/log.h>
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#ifndef DEBUG_CALC_FPS
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#define CALC_FPS() ((void)0)
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#define CALC_INIT() ((void)0)
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#else
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#define CALC_FPS() qdutils::CalcFps::getInstance().Fps()
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#define CALC_INIT() qdutils::CalcFps::getInstance().Init()
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using namespace android;
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namespace qdutils {
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class CalcFps : public Singleton<CalcFps> {
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public:
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CalcFps();
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~CalcFps();
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void Init();
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void Fps();
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private:
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static const unsigned int MAX_FPS_CALC_PERIOD_IN_FRAMES = 128;
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static const unsigned int MAX_FRAMEARRIVAL_STEPS = 50;
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static const unsigned int MAX_DEBUG_FPS_LEVEL = 2;
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struct debug_fps_metadata_t {
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/*fps calculation based on time or number of frames*/
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enum DfmType {
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DFM_FRAMES = 0,
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DFM_TIME = 1,
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};
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DfmType type;
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/* indicates how much time do we wait till we calculate FPS */
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unsigned long time_period;
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/*indicates how much time elapsed since we report fps*/
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float time_elapsed;
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/* indicates how many frames do we wait till we calculate FPS */
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unsigned int period;
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/* current frame, will go upto period, and then reset */
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unsigned int curr_frame;
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/* frame will arrive at a multiple of 16666 us at the display.
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This indicates how many steps to consider for our calculations.
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For example, if framearrival_steps = 10, then the frame that arrived
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after 166660 us or more will be ignored.
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*/
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unsigned int framearrival_steps;
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/* ignorethresh_us = framearrival_steps * 16666 */
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nsecs_t ignorethresh_us;
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/* used to calculate the actual frame arrival step, the times might not be
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accurate
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*/
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unsigned int margin_us;
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/* actual data storage */
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nsecs_t framearrivals[MAX_FPS_CALC_PERIOD_IN_FRAMES];
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nsecs_t accum_framearrivals[MAX_FRAMEARRIVAL_STEPS];
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};
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private:
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void populate_debug_fps_metadata(void);
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void print_fps(float fps);
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void calc_fps(nsecs_t currtime_us);
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private:
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debug_fps_metadata_t debug_fps_metadata;
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unsigned int debug_fps_level;
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};
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};//namespace qdutils
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#endif
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#endif // INCLUDE_PROFILER
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