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package pprofhandler
import (
"bytes"
"net/http/pprof"
rtp "runtime/pprof"
"github.com/valyala/fasthttp"
"github.com/valyala/fasthttp/fasthttpadaptor"
)
var (
cmdline = fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Cmdline)
profile = fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Profile)
symbol = fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Symbol)
trace = fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Trace)
index = fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Index)
)
// PprofHandler serves server runtime profiling data in the format expected by the pprof visualization tool.
//
// See https://pkg.go.dev/net/http/pprof for details.
func PprofHandler(ctx *fasthttp.RequestCtx) {
ctx.Response.Header.Set("Content-Type", "text/html")
switch {
case bytes.HasPrefix(ctx.Path(), []byte("/debug/pprof/cmdline")):
cmdline(ctx)
case bytes.HasPrefix(ctx.Path(), []byte("/debug/pprof/profile")):
profile(ctx)
case bytes.HasPrefix(ctx.Path(), []byte("/debug/pprof/symbol")):
symbol(ctx)
case bytes.HasPrefix(ctx.Path(), []byte("/debug/pprof/trace")):
trace(ctx)
default:
for _, v := range rtp.Profiles() {
ppName := v.Name()
if bytes.HasPrefix(ctx.Path(), []byte("/debug/pprof/"+ppName)) {
namedHandler := fasthttpadaptor.NewFastHTTPHandlerFunc(pprof.Handler(ppName).ServeHTTP)
namedHandler(ctx)
return
}
}
index(ctx)
}
}
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