Centos环境自写脚本查看使用php或nginx占用内存详解程序员

top -n1 -b | head -n7 | sed 1,6d top -n1 -b | sed 1,7d | grep --color=auto $1; ps aux | grep --color=auto $1 | grep --color=auto -v grep | awk -F " " { sum += $6 } END { printf "Total Memory Usage: %.1f MB/n", sum/1024 } }

[[email protected] ~]# mem php 

 PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 

24984 root 20 0 336m 8212 1640 S 0.0 0.8 0:00.03 php-fpm 

24985 www 20 0 336m 7776 1192 S 0.0 0.8 0:00.01 php-fpm 

24986 www 20 0 336m 7776 1192 S 0.0 0.8 0:00.01 php-fpm 

24987 www 20 0 336m 7776 1192 S 0.0 0.8 0:00.05 php-fpm 

24988 www 20 0 336m 7776 1192 S 0.0 0.8 0:00.03 php-fpm 

24989 www 20 0 336m 7784 1196 S 0.0 0.8 0:00.00 php-fpm 

24990 www 20 0 336m 7784 1196 S 0.0 0.8 0:00.01 php-fpm 

24991 www 20 0 336m 78m 71m S 0.0 7.9 0:07.50 php-fpm 

24992 www 20 0 336m 7784 1196 S 0.0 0.8 0:00.04 php-fpm 

24993 www 20 0 336m 77m 70m S 0.0 7.8 0:09.19 php-fpm 

24994 www 20 0 340m 84m 74m S 0.0 8.6 0:07.78 php-fpm 

Total Memory Usage: 301.4 MB

[[email protected] ~]# mem nginx 

 PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 

 2824 root 20 0 40660 2684 488 S 0.0 0.3 0:00.01 nginx 

 2832 www 20 0 71380 27m 1124 S 0.0 2.8 0:00.99 nginx 

 2833 www 20 0 71380 22m 1036 S 0.0 2.3 0:00.46 nginx 

 2834 www 20 0 71380 29m 1180 S 0.0 3.0 0:02.92 nginx 

 2835 www 20 0 71380 29m 1120 S 0.0 3.0 0:11.48 nginx 

Total Memory Usage: 111.2 MB

 

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