作者:justchen


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linxu 线程独占CPU

线程或进程独占CPU一般用来相对地提升实时性,但也不要指忘达到真正的实时操作系统的性能. 进程邦定CPU 我们通过系统调用sched_setaffinity进行绑定,通过sched_getaffinity获取绑定关系。注意这对方法是进程级别的绑定。代码中指定cpu0和cpu3,我们可以通过htop查看,两个cpu使用达到了100%,其他的……


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uboot下备份镜像

当前仅适用于海思 1 、设置环境变量 setenv serverip 192.168.230.111 setenv ipaddr 192.168.230.124 sa ping 192.168.230.111  2、将要备份flash数据读入内存中 sf probe 0 sf read 82000000 100000   400000 s……


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vue学习笔记

基本操作 js文件 <script src=”js/vue.js”></script> 就收工了.正式环境用 vue.min.js v-for对json数据的邦定 当点击时某个按钮时,更改自已与其他对象的css <div id=”insource” class=”col-xs-12″> <hr&g……


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