mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-04-14 10:07:39 +08:00
4b01e5b6b6
Instead of printing to an fd, this prints to a buffer and calls a callback for each line. To avoid code duplication, the print_load has been refactored to print to a buffer first, then print to an fd. The overhead is not noticable, and the behavior of print_load is unchanged.
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/****************************************************************************
|
|
*
|
|
* Copyright (c) 2015 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 printload.h
|
|
*
|
|
* Print the current system load.
|
|
*
|
|
* @author Lorenz Meier <lorenz@px4.io>
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <px4_config.h>
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifndef CONFIG_MAX_TASKS
|
|
#define CONFIG_MAX_TASKS 64
|
|
#endif
|
|
|
|
struct print_load_s {
|
|
uint64_t total_user_time;
|
|
|
|
int running_count;
|
|
int blocked_count;
|
|
|
|
uint64_t new_time;
|
|
uint64_t interval_start_time;
|
|
uint32_t last_times[CONFIG_MAX_TASKS]; // in [ms]. This wraps if a process needs more than 49 days of CPU
|
|
float interval_time_ms_inv;
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
|
|
__EXPORT void init_print_load_s(uint64_t t, struct print_load_s *s);
|
|
|
|
__EXPORT void print_load(uint64_t t, int fd, struct print_load_s *print_state);
|
|
|
|
|
|
typedef void (*print_load_callback_f)(void *user);
|
|
|
|
/**
|
|
* Print load to a buffer, and call cb after each written line (buffer will not include '\n')
|
|
*/
|
|
void print_load_buffer(uint64_t t, char *buffer, int buffer_length, print_load_callback_f cb, void *user,
|
|
struct print_load_s *print_state);
|
|
|
|
__END_DECLS
|