/proc/<pid>/schedstat $/schedstat First: , Second:time spent waiting on a runqueue,这个值与上面的se.wait_sum一样 Third: of times run on this cpu, task->sched_info.pcount,这个值跟上面的se->nr_switches一样 se.sum_exec_runtime: 2843625.998498 //累计运行的物理时间时间 se.wait
获取机器的基本参数cat /proc/stat Note : This guide is applicable to Linux kernels 2.6.14 and above, which adds support for smaps, per-mapping data, including data on each mapping's rss usage. 分别是user,nice,system,idle,irq,iowait,irq,softirq.具体参数解释如下: user()表示自
[root@localhost ~]# lsscsi[0:0:0:0] disk SEAGATE ST300MM0048 N001 /dev/sda [0:0:2:0] disk ATA INTEL SSDSC2BB80 0112 /dev/sdc [0:0:3:0] disk ATA HGST HUS726060AL T7JM /dev/sdd [0:0:4:0] disk ATA HGST HUS
cat /proc/cpuinfo processor : vendor_id : GenuineIntel cpu family : model : model name : Intel(R) Core(TM) i5-4210M CPU @ .60GHz stepping : microcode : cpu MHz : 800.000 cache size : KB physical id : siblings : core id : cpu cores : apicid : initial