查看进程总共占了多少内存和CPU

内存

ps -C psName -o rss | awk '{sum += $1} END {print sum/1024 " MB"}'

示例

ps -C php-fpm -o rss | awk '{sum += $1} END {print sum/1024 " MB"}'

 

 CPU (单核)

ps -C psName -o %cpu | awk '{sum += $1} END {print sum " %"}'

 

ps -C php-fpm -o %cpu | awk '{sum += $1} END {print sum " %"}'

 

 查看所有内存

ps -eo pid,ppid,%mem,rss,cmd --sort=-%mem | head