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999!!!

 

curl -o /dev/null -s -w %{speed_download}:%{time_total}   url

netstat -n | awk ‘/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}‘

dstat -cdlmnpsy --tcp 5 --------->每5秒取值( system:int,csw分别为系统的中断次数(interrupt)和上下文切换(context switch)hiq,siq分别为硬中断和软中断次数)

top -d  1-------------------->每1秒取值,最活跃的进程

vmstat  2 8----------------->每2秒取值,取8次,关注项有:r,us,id,io(bi,bo)

iostat -x 1 5 --------------->每1秒取值,取5次,关注项有:await,%util
sar 1 6 --------------------->每1秒取值,取6次,关注项有: %iowait
dd if=/dev/sdc of=test bs=64k count=4k oflag=dsync------------->

(netstat -anlp|grep LIST|grep -v unix|wc -l)

(mii-tool --verbose em2)

(ethtool em2)

(lspci|grep -i ether   dmesg |grep -i eth)

999!!!