// Package pprof provides native pprof support via middleware. See _examples/pprof
package pprof
import (
"html/template"
"net/http/pprof"
rpprof "runtime/pprof"
"strings"
"github.com/kataras/iris/context"
"github.com/kataras/iris/core/handlerconv"
)
func init() {
context.SetHandlerName("iris/middleware/pprof.*", "iris.profiling")
}
// New returns a new pprof (profile, cmdline, symbol, goroutine, heap, threadcreate, debug/block) Middleware.
// Note: Route MUST have the last named parameter wildcard named '{action:path}'
func New() context.Handler {
cmdlineHandler := handlerconv.FromStd(pprof.Cmdline)
profileHandler := handlerconv.FromStd(pprof.Profile)
symbolHandler := handlerconv.FromStd(pprof.Symbol)
goroutineHandler := handlerconv.FromStd(pprof.Handler("goroutine"))
heapHandler := handlerconv.FromStd(pprof.Handler("heap"))
threadcreateHandler := handlerconv.FromStd(pprof.Handler("threadcreate"))
debugBlockHandler := handlerconv.FromStd(pprof.Handler("block"))
return func(ctx *context.Context) {
ctx.ContentType("text/html")
action := ctx.Params().Get("action")
if action != "" {
if strings.Contains(action, "cmdline") {
cmdlineHandler((ctx))
} else if strings.Contains(action, "profile") {
profileHandler(ctx)
} else if strings.Contains(action, "symbol") {
symbolHandler(ctx)
} else if strings.Contains(action, "goroutine") {
goroutineHandler(ctx)
} else if strings.Contains(action, "heap") {
heapHandler(ctx)
} else if strings.Contains(action, "threadcreate") {
threadcreateHandler(ctx)
} else if strings.Contains(action, "debug/block") {
debugBlockHandler(ctx)
}
return
}
profiles := rpprof.Profiles()
data := map[string]interface{}{
"Profiles": profiles,
"Path": ctx.RequestPath(false),
}
if err := indexTmpl.Execute(ctx, data); err != nil {
ctx.Application().Logger().Error(err)
}
}
}
var indexTmpl = template.Must(template.New("index").Parse(`
/{{.Path}}
{{.Path}}
profiles:
{{$path := .Path}}
{{range .Profiles}}
| {{.Count}} | {{.Name}}
{{end}}
|
full goroutine stack dump
`))