github.com/tcnksm/go-httpstat
go-httpstat is a golang package to trace golang HTTP request latency (DNSLookup, TCP Connection and so on). Because it uses httptrace internally, just creating go-httpstat powered context and giving it your http.Request kicks tracing (no big code modification is required). The original idea came from httpstat command ( and Dave Cheney's golang implementation) 👏. This package now traces same latency infomation as them.
See usage and example on GoDoc.
NOTE: Since httptrace was introduced after go1.7, this package may not work with old HTTP client. Especially, if you don't use net.DialContext it can not trace DNS and connection.
Use go get,
$ go get github.com/tcnksm/go-httpstat
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