怎么看脚本执行的时间呢

prcardin

怎么看脚本执行的时间呢
脚本运行了。怎么看脚本运行用去的时间呢，看脚本执行过程花费了多少时间

reyleon

time bash script.sh

在运行你的脚本的前面加上time命令

prcardin

谢谢哈。  

real    0m17.862s
user    0m9.205s
sys     0m2.260s

这个各是什么含义呢

回复 2# reyleon


   

hanfeng122525

while true
do
sleep 1
echo "1++"
done &

BID=$!
./jiaoben

kill $BID



脚本运行时在后台运行一个计时脚本

Shell_HAT

回复 3# prcardin


http://linux.die.net/man/1/time
(i) the elapsed real time between invocation and termination

(ii) the user CPU time (the sum of the tms_utime and tms_cutime values in a struct tms as returned by times(2))

(iii) the system CPU time (the sum of the tms_stime and tms_cstime values in a struct tms as returned by times(2))