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| 1 | +/**************************************************************************** |
| 2 | + * |
| 3 | + * Copyright (c) 2012-2020 PX4 Development Team. All rights reserved. |
| 4 | + * |
| 5 | + * Redistribution and use in source and binary forms, with or without |
| 6 | + * modification, are permitted provided that the following conditions |
| 7 | + * are met: |
| 8 | + * |
| 9 | + * 1. Redistributions of source code must retain the above copyright |
| 10 | + * notice, this list of conditions and the following disclaimer. |
| 11 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | + * notice, this list of conditions and the following disclaimer in |
| 13 | + * the documentation and/or other materials provided with the |
| 14 | + * distribution. |
| 15 | + * 3. Neither the name PX4 nor the names of its contributors may be |
| 16 | + * used to endorse or promote products derived from this software |
| 17 | + * without specific prior written permission. |
| 18 | + * |
| 19 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 22 | + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 23 | + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 24 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 25 | + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 26 | + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 27 | + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 29 | + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | + * POSSIBILITY OF SUCH DAMAGE. |
| 31 | + * |
| 32 | + ****************************************************************************/ |
| 33 | + |
| 34 | +#pragma once |
| 35 | + |
| 36 | +#include <drivers/drv_hrt.h> |
| 37 | +#include <lib/perf/perf_counter.h> |
| 38 | +#include <px4_platform_common/px4_config.h> |
| 39 | +#include <px4_platform_common/defines.h> |
| 40 | +#include <px4_platform_common/module.h> |
| 41 | +#include <px4_platform_common/module_params.h> |
| 42 | +#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp> |
| 43 | +#include <systemlib/cpuload.h> |
| 44 | +#include <uORB/Publication.hpp> |
| 45 | +#include <uORB/topics/cpuload.h> |
| 46 | +#include <uORB/topics/task_stack_info.h> |
| 47 | + |
| 48 | +namespace load_mon |
| 49 | +{ |
| 50 | + |
| 51 | +class LoadMon : public ModuleBase<LoadMon>, public ModuleParams, public px4::ScheduledWorkItem |
| 52 | +{ |
| 53 | +public: |
| 54 | + LoadMon(); |
| 55 | + ~LoadMon() override; |
| 56 | + |
| 57 | + static int task_spawn(int argc, char *argv[]); |
| 58 | + |
| 59 | + /** @see ModuleBase */ |
| 60 | + static int custom_command(int argc, char *argv[]) |
| 61 | + { |
| 62 | + return print_usage("unknown command"); |
| 63 | + } |
| 64 | + |
| 65 | + /** @see ModuleBase */ |
| 66 | + static int print_usage(const char *reason = nullptr); |
| 67 | + |
| 68 | + void start(); |
| 69 | + |
| 70 | +private: |
| 71 | + /** Do a compute and schedule the next cycle. */ |
| 72 | + void Run() override; |
| 73 | + |
| 74 | + /** Do a calculation of the CPU load and publish it. */ |
| 75 | + void cpuload(); |
| 76 | + |
| 77 | + /* Calculate stack usage */ |
| 78 | + void stack_usage(); |
| 79 | + |
| 80 | + int _stack_task_index{0}; |
| 81 | + |
| 82 | + uORB::PublicationQueued<task_stack_info_s> _task_stack_info_pub{ORB_ID(task_stack_info)}; |
| 83 | + uORB::Publication<cpuload_s> _cpuload_pub{ORB_ID(cpuload)}; |
| 84 | + |
| 85 | + hrt_abstime _last_idle_time{0}; |
| 86 | + hrt_abstime _last_idle_time_sample{0}; |
| 87 | + |
| 88 | + perf_counter_t _cycle_perf{perf_alloc(PC_ELAPSED, MODULE_NAME": cycle")}; |
| 89 | + |
| 90 | + DEFINE_PARAMETERS( |
| 91 | + (ParamBool<px4::params::SYS_STCK_EN>) _param_sys_stck_en |
| 92 | + ) |
| 93 | +}; |
| 94 | + |
| 95 | +} // namespace load_mon |
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