httpdの1プロセスあたりの最大使用メモリの取得

httpdavgmem

#!/bin/sh
pnums=`pgrep httpd | wc -l`
sum=`for p in \`pgrep httpd\`; do grep 'VmHWM' /proc/\$p/status; done | sort | awk '{sum = sum + \$2}END{print sum}'`
echo $(($sum / $pnums))