####消耗CPU最多的进程 [[email protected] ~]# ps aux|head -1;ps aux|grep -v PID|sort -rn -k +3|head ##拼接进程号 [[email protected] ~]# ps -eo pid,%cpu --sort=-%cpu |grep -v PID|grep -v grep|head -10 |awk ‘{print $1}‘ |awk BEGIN{RS=EOF}‘{gsub(/\n/,",");print "("$1")"}‘ (16143,1,2,3,5,7,8,9,10,11) ####消耗内存最多的进程 [[email protected] ~]# ps aux|head -1;ps aux|grep -v PID|sort -rn -k +4|head ##拼接进程号 [[email protected] ~]# ps -eo pid,%cpu,%mem --sort=-%mem |grep -v PID|grep -v grep|head -10|awk ‘{print $1}‘ |awk BEGIN{RS=EOF}‘{gsub(/\n/,",");print "("$1")"}‘ (3498,1865,1857,1864,1861,22472,22473,354,3188,3189) ####查看系统消耗IO资源的进程,依赖iotop [[email protected] ~]# iotop -o -b -n 10 -P|grep -v grep|head -10 ##拼接进程号 [[email protected] ~]$ ps -eo pid,%cpu --sort=-%cpu |grep -v PID|grep -v grep|head -10 |awk ‘{print $1}‘ |awk BEGIN{RS=EOF}‘{gsub(/\n/,",");print "("$1")"}‘ (16143,1,2,3,5,7,8,9,10,11) ##查看磁盘IO统计 [[email protected] ~]$ iostat -dx -k -t 2 1000000000 vda Linux 3.10.0-693.21.1.el7.x86_64 (Yong) 07/12/2018 _x86_64_ (2 CPU) 07/12/2018 11:30:06 AM Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util vda 0.00 0.12 0.06 0.34 1.16 7.29 42.80 0.02 38.98 25.42 41.26 0.78 0.03 #查看CPU信息(型号) # cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c # 查看物理CPU个数 cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l # 查看每个物理CPU中core的个数(即核数) cat /proc/cpuinfo| grep "cpu cores"| uniq # 查看逻辑CPU的个数 cat /proc/cpuinfo| grep "processor"| wc -l 查看内存信息 # cat /proc/meminfo 查看主板型号: # dmidecode |grep -A16 "System Information$" 查看机器型号 # dmidecode | grep "Product Name" 查看当前操作系统内核信息 # uname -a 查看当前操作系统发行版信息 # cat /etc/issue | grep Linux
原文地址:https://www.cnblogs.com/lYng/p/9441896.html
时间: 2024-10-11 11:23:03