如何并行启动多个进程以造成 CPU 使用拥塞?下面是我正在尝试的代码:-
#include "contiki.h"
#include <stdio.h>
PROCESS(cpu_load_process_1, "CPU Loading Process 1");
PROCESS(cpu_load_process_2, "CPU Loading Process 2");
PROCESS(cpu_load_process_3, "CPU Loading Process 3");
PROCESS(cpu_load_process_4, "CPU Loading Process 4");
AUTOSTART_PROCESSES(&cpu_load_process_1);
AUTOSTART_PROCESSES(&cpu_load_process_2);
PROCESS_THREAD(cpu_load_process_1, ev, data)
{
PROCESS_BEGIN();
PROCESS_END();
}
PROCESS_THREAD(cpu_load_process_3, ev, data)
{
PROCESS_BEGIN();
PROCESS_END();
}
但是,这会产生如下错误:-
/home/user/contiki-3.0/core/./sys/autostart.h:48:24: error: redefinition of ‘autostart_processes’
struct process * const autostart_processes[] = {__VA_ARGS__, NULL}struct process * const autostart_processes[] = {__VA_ARGS__, NULL}
请指导我。任何造成 CPU 拥塞的替代方法/建议也会有所帮助。
最佳答案
宏背后AUTOSTART_PROCESSES
,结构定义被隐藏。
#define AUTOSTART_PROCESSES(...) \
struct process * const autostart_processes[] = {__VA_ARGS__, NULL}
通过调用两次AUTOSTART_PROCESSES
,您可以两次定义结构。
解决方案:
考虑到宏参数,我猜你应该这样写:
AUTOSTART_PROCESSES(&cpu_load_process_1, &cpu_load_process_2);
而不是
AUTOSTART_PROCESSES(&cpu_load_process_1);
AUTOSTART_PROCESSES(&cpu_load_process_2);
关于c - 如何在 Contiki 中启动多个进程来创建 CPU 负载,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44670154/