TA的每日心情 | 怒
2019-11-20 15:22 |
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签到天数: 2 天 [LV.1]初来乍到
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% p) e S! W- Y' s6 Q4 i直接上代码：7 e! d. R) p8 K5 e
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- #!/bin/bash
- - i& t8 `. S2 I
- function usage
- {
- echo "Usage: $0 "
- echo "e.g. $0 eth0 2"
- exit 1
- }
- if [ $# -lt 2 ];then
- usage
- fi
% x7 S, @( N( _5 p! M7 L- eth=$1
- interval=$2
- . L. z& R1 @9 ^, p2 z. l5 p
- in_old=$(cat /proc/net/dev | grep -w $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk '{ print $1 }' )
- out_old=$(cat /proc/net/dev | grep -w $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk '{ print $9 }' )
- . a7 ~7 Q6 g f* V9 j
- while true
- do
- sleep ${interval}
- in=$(cat /proc/net/dev | grep -w $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk '{ print $1 }' )
- out=$(cat /proc/net/dev | grep -w $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk '{ print $9 }')
- sub_in=$(( ($in-$in_old)/$interval ))
- sub_out=$(( ($out-$out_old)/$interval ))
- echo "Recv rate: $((${sub_in}/1024)) KB/s Sent rate: $((${sub_out}/1024)) KB/s "
- in_old=${in}
- out_old=${out}
- done
- exit 0! L5 ? }4 G4 o! r9 x4 n' t
8 [; u+ ^" R% E1 S, }1 C
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输出：+ E6 ^ K% j" ]# Z" k3 x
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Recv rate: 1175 KB/s Sent rate: 29 KB/s + F t, \+ F* z. q- v
Recv rate: 1175 KB/s Sent rate: 29 KB/s , h( e! b) u- @) R
Recv rate: 1179 KB/s Sent rate: 31 KB/s
( W% r) V; a4 y' u0 DRecv rate: 987 KB/s Sent rate: 33 KB/s : }& W# u; E/ O& q3 r
Recv rate: 1159 KB/s Sent rate: 29 KB/s
$ x; A$ v& z# M( Y; IRecv rate: 1167 KB/s Sent rate: 29 KB/s
9 q. [0 y8 N. Q0 xRecv rate: 1082 KB/s Sent rate: 27 KB/s & w- A* W% G& e8 K: U+ W
Recv rate: 1085 KB/s Sent rate: 27 KB/s
7 ~. I' o, e$ j9 z4 |8 o% XRecv rate: 1129 KB/s Sent rate: 29 KB/s 9 g- h9 p9 d8 ~
Recv rate: 954 KB/s Sent rate: 24 KB/s
3 J# R) L, G! f& Q( G6 pRecv rate: 465 KB/s Sent rate: 18 KB/s
0 q' \3 @ v% K& i; H/ [Recv rate: 507 KB/s Sent rate: 14 KB/s 3 m! X3 y2 {0 e2 \9 G3 |2 f
Recv rate: 1135 KB/s Sent rate: 30 KB/s
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与dstat的对比：dstat -n -N peth1+ B! o% K, v1 r; }7 E
8 l0 U7 |: n) \9 Q6 ^% {1 Q1176k 30k
0 s! l: H& [ Z4 Q1176k 30k
* f. e# ~$ r' s7 S7 Y, G1180k 31k7 Q# s3 k5 Q3 W
987k 33k& \0 \) Q' k1 `3 {
1159k 29k
# U( P/ w0 _' p. [0 S) h5 s/ t) q1167k 30k
: Z% M- M' O# `+ n& k2 L1083k 27k
: o) ?( L2 r% T( C1085k 27k
$ G( U3 B. C+ \4 }: R B1129k 29k
" q( P$ N) X* a0 u955k 24k6 S$ Y& C$ P, Y9 J7 @1 W+ \
466k 19k
( O, N9 R0 e1 D( R! }3 `/ ]508k 15k
+ e2 b- i2 U U( L0 Z$ V1135k 30k* o9 i$ V7 p% G, ^! U' y
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发表于 2020-3-13 09:22
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