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php怎么获取centos的cpu当前使用率
- WBOYOriginal
- 2016-06-13 11:37:491382browse
php如何获取centos的cpu当前使用率
如题。
我用
$str = shell_exec('more /proc/stat');
或者
popen('top -b -n 2 | grep -E "(Cpu)"',"r");
取的好象都不准确，每次都是0.4%，但在服务器上用top查看 变化是0.7,1.0,14.....
一般如何快速获取啊
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