Shell脚步之监控iostat数据

页面导航:首页 > 操作系统 > LINUX > Shell脚步之监控iostat数据

Shell脚步之监控iostat数据

来源: 作者: 时间:2016-01-14 17:21 【

在性能测试中,进行iostat监控数据显示太不美观,看起来很痛苦,如下图为了显示美观,写个shell脚本进行改造,如下:#! /bin/bashinterval=1if [ $# -gt 0 ]; then interval=$1fiwhile (true) do ...
在性能测试中,进行iostat监控数据显示太不美观,看起来很痛苦,如下图
为了显示美观,写个shell脚本进行改造,如下:

#! /bin/bash


interval=1
if [ $# -gt 0 ]; then
  interval=$1
fi



while (true) do    iostat -k; sleep $interval; done | awk '

BEGIN{
    data_flag = 0;
    
    sum_tps = 0;
    sum_read_kb_speed = 0;
    sum_write_kb_speed = 0;
    sum_read_kb = 0;
    sum_write_kb = 0;    
    
}

{    
    if ( $1 == "Device:")
    {
        data_flag = 1;
        #print "+ " $0
        
    }
    else if ( NF == 0 )
    {
        if (data_flag == 1)
        {
            printf("%s tps %6.2f kB_read/s %10.2f kB_write/s %10.2f kB_read %14d kB_write %14d\n", 
                strftime("%D %H:%M:%S"),
                sum_tps,
                sum_read_kb_speed,
                sum_write_kb_speed,
                sum_read_kb,
                sum_write_kb);
    
            data_flag = 0;
    
            sum_tps = 0;
            sum_read_kb_speed = 0;
            sum_write_kb_speed = 0;
            sum_read_kb = 0;
            sum_write_kb = 0;
            
            #print "- " $0
        }
        else
        {
            #print "= " $0
        }
        #data_flag=0;
    }
    else
    {
        if (data_flag == 1)
        {
            #print "1 " $0;
            
            tps = $2;
            read_kb_speed = $3;
            write_kb_speed = $4;
            read_kb = $5;
            write_kb = $6;
            
            sum_tps += tps;
            sum_read_kb_speed += read_kb_speed;
            sum_write_kb_speed += write_kb_speed;
            sum_read_kb += read_kb;
            sum_write_kb += write_kb;
            
            
        }
        else
        {
            #print "0 " $0;
        }
    }    
}

END{

}

 

 
运行后效果如下:
是不是显示好多了。且有时间显示,这样定入log后定位问题方便很多
Tags:

文章评论

最 近 更 新
热 点 排 行
Js与CSS工具
代码转换工具

<