Linux sar 安装与使用
sar( System Activity Reporter )系统运行情况报告 查看系统是否安装 [root @client ~]# rpm -qa |grep sysstat sysstat-9.0.4-20.el6.x86_64 假设没有,需要安装 yum install sysstat 查看sysstat安装了哪些文件,并知道systat包含哪些性能查看工具 [root @client ~]# rpm -qal |grep sysstat|grep README /usr/share/doc/sysstat-9.0.4/README [root @client ~]# grep -i sar /usr/share/doc/sysstat-9.0.4/README Linux. These include mpstat, iostat, pidstat, sar, sadc, sadf and sa tools. ${PREFIX}/bin/sar ${PREFIX}(/share)/man/man1/sar.1 The sar, mpstat, iostat and pidstat commands are only front-ends to the kernel 2.6.x, but since new statistics are added in sysstat,