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NuttX cpuload monitoring optimization

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- Nuttx only process all suspend & resume scheduling notes when top is running, otherwise only track IDLE
 - convert cpuload and print load to c++
 - delete unused fields from print_load struct
 - update hrt_store_absolute_time (previous unused)
This commit is contained in:
Daniel Agar
2020-09-05 14:35:50 -04:00
committed by GitHub
parent a9798454cd
commit 023f6d3983
25 changed files with 339 additions and 240 deletions
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platforms/posix/src/px4/common/cpuload.cpp
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/****************************************************************************
*
* Copyright (c) 2020 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name PX4 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE 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.
*
****************************************************************************/
/**
* @file cpuload.cpp
*
* Measurement of CPU load of each individual task.
*
* @author Lorenz Meier <lorenz@px4.io>
* @author Petri Tanskanen <petri.tanskanen@inf.ethz.ch>
*/
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/atomic.h>
#include <px4_platform/cpuload.h>
#include <drivers/drv_hrt.h>
#include <sys/time.h>
static px4::atomic_int cpuload_monitor_all_count{0};
void cpuload_monitor_start()
{
cpuload_monitor_all_count.fetch_add(1);
}
void cpuload_monitor_stop()
{
if (cpuload_monitor_all_count.fetch_sub(1) <= 1) {
// don't all the count to go negative
cpuload_monitor_all_count.store(0);
}
}
// TODO