awk分析web页面执行时间

nginx 日志配置

log_format  main  '$remote_addr - $remote_user [$time_local] $request '
'"$status" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for" $request_time';

access_log  /var/log/nginx/access.log  main buffer=32k;

 一、web日志文件格式

 222.83.181.42 - - [09/Oct/2010:04:04:03 +0800] GET /pages/international/tejia.php HTTP/1.1 "200" 15708 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Sicent; WoShiHoney.B; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)" "-" 0.037

    按照空格分隔的话，最后一个字段[0.037] 是页面执行时间，第7个字段 是页面访问地址。

 

二、执行代码   

awk 'BEGIN{
   print "Enter log file:";
   getline logs;
   logs="/var/log/nginx/access.log-20101008";
   OFMT="%.3f";
   while(getline < logs)
   {
       split($7,atmp,"?");
       aListNum[atmp[1]]+=1;
       aListTime[atmp[1]]+=$NF;
       ilen++;
   }
   close(logs);
   print "\r\ntotal:",ilen,"\r\n======================================\r\n";
   for(k in aListNum)
   {
       print k,aListNum[k],aListTime[k]/aListNum[k] | "sort -r -n -k3";
   }
   }'