網(wǎng)站網(wǎng)站制作公司：ping和traceroute的工具
e上se
fi
let 'TVEC -: 32 * $IDX" .
MASK_TMP-$ 《1《$VEC》
MASK='printf "%X%s" $MASK TMP $MASK_FILL
MASK='printf "ozX" $MASK TMP'
printf '''oS mask-%s for /proc/irq/%d/smp_affinity\n" $DEV $MASK $IRQ
printf uooS" $MASK > /proc/irq/$IRQ/smp_affinity
echo "usage: "
. echo " $0 eth0 [ethl eth2 eth3]
IRQBALANCE_ON='ps ax
if [ 'f$IRQBALANCE ON"
grep I grep -q irqbalance; echo $?
; then
echo " WARNING: irq:oalance is running and willI'
. echo "likely override this script's affinitization."
echo "Please stop the irqbalance service and/or execute"
echo '''killall irqbalance'''
fi
for DEV in $*
do .
for DIR in rx tx TxRx . '
do
MAX='grep $DEV-$D工R /proc/interrupts
if [ "$MAX" i-- "0" ] ;' then
MAX='egrep -i "$DEV:.*$DIR" /proc/interrupts I wc -1'
fi .
echo no $D工R vectors found on $DEV
continue . ' .
. fi .
for VEC in 'seq 0 1 $MAX'
do .
IRQ-'cat /proc/interrupts I grep -i $DEV-$DIR-$VEC"$" I cut -d: -fl
sed "s/ //g'''
if [ -n ' "$IRQ" ]; then . .
●1 6●
wT _8《' -.i~--i
◆
fi
done
done
done
1.3.3 mtr
mtr是一個(gè)集成了
并刷新結(jié)果數(shù)據(jù)界面。
ping和traceroute的工具，默認(rèn)情況下會(huì)每秒鐘發(fā)起一次新請(qǐng)求，
在判斷網(wǎng)絡(luò)情況、查詢具體在哪個(gè)環(huán)節(jié)丟包的時(shí)候，特別有用。其
默認(rèn)輸出界面如圖1-1所示。
圖1-1
mtr也可以輸出成報(bào)表格式，一般可以指定其請(qǐng)求次數(shù)和間隔時(shí)間，結(jié)果如下。
# mtr -r -c 10 -i 2 www.baidLi:com . :;
HOST: chenryn-Lenovo TFoss% Snt Last Avg Bdst
1.1-- com20-l.opi.com 0.0% 10 1.2 1.5 1.1
2.1-- 10.2.255.254 0.-0% 10 1.7 l.,2 1*4
3.1-- 172.18.10.2 0.Os~ 10 20.5 5.2 2.1
4.1一一 172.18.10.106 . 0.0% 10 10.0 4.2 . 0.8
Wrst
. 3.4
.8.2
20i5
14 .0
StDev
:0 . 7
2.1
. 5-9
5.3
