2

https耗时分析

 2 years ago
source link: https://www.felix021.com/blog/read.php?2231=
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So far so good

简单记一下：
$ cat curl-format.txt
time_namelookup:      %{time_namelookup}\n
time_connect:        %{time_connect}\n
  time_appconnect:    %{time_appconnect}\n
  time_pretransfer:  %{time_pretransfer}\n
  time_starttransfer: %{time_starttransfer}\n

$ curl -w '@curl-format.txt' -o /dev/null -s -L "https://www.baidu.com"
time_namelookup:      0.004
time_connect:        0.018
  time_appconnect:    0.050
  time_pretransfer:  0.050
  time_starttransfer: 0.065
或者
$ go get github.com/davecheney/httpstat

$ httpstat https://www.baidu.com
...

DNS Lookup  TCP Connection  TLS Handshake  Server Processing  Content Transfer
[      0ms  |          9ms  |        105ms  |            10ms  |            0ms  ]
            |                |              |                  |                  |
  namelookup:0ms            |              |                  |                  |
                      connect:10ms          |                  |                  |
                                  pretransfer:116ms            |                  |
                                                    starttransfer:126ms            |
                                                                                total:126ms 

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