用python繪製出主機內存摺線圖-直觀的觀察主機記憶體情況
阿新 • • 發佈:2019-01-01
寫的比較粗糙,可以作為一種思路參考;點開指令碼能生成記憶體變化的折線圖(python繪製更多圖形請參考matplotlib):
[1] 先獲取主機記憶體情況,用shell:
readMem.sh :
memFilename="memory.txt"
ubantu()
{
while true
do
mem=`df -a | grep "^/dev" | awk '{print $5}' | cut -d \% -f 1`
curDate=`date +%H%M%S`
echo $curDate >> $memFilename
echo $mem >> $memFilename
sleep 10
done
}
UK115()
{
while true
do
mem=`df -P | grep "/boss1" | awk '{print $5}' | cut -d \% -f 1`
curDate=`date +%H%M%S`
echo $curDate >> $memFilename
echo $mem >> $memFilename
sleep 3
done
}
HK19()
{
while true
do
mem=`df -P | grep "/ora2" | awk '{print $5}' | cut -d \% -f 1`
curDate=`date +%H%M%S`
echo $curDate >> $memFilename
echo $mem >> $memFilename
sleep 3
done
}
UK115
[2] 用python繪製折線圖:
readA.py :
import numpy as np
import pylab as pl
import shutil
#shutil.copy('m.txt', 'tmp.txt')
file = open('m.txt', 'r')
x=[]
y=[]
count = 0
while 1:
line = file.readline()
if not line:
break
if (count % 2) == 0:
x.append(line.split())
else:
y.append(line.split())
count += 1
pl.plot(x, y)
#橫軸標籤:日期
pl.xlabel("date")
#縱軸標籤:記憶體百分比
pl.ylabel("memory(%)")
#pl.savefig("mem.jpg")
pl.show()