err := pprof.Lookup("heap").WriteTo(&buf, 0)
			return buf.Bytes(), err
		}
	case madmin.ProfilerBlock:
		runtime.SetBlockProfileRate(100)
		prof.stopFn = func() ([]byte, error) {
			var buf bytes.Buffer
			err := pprof.Lookup("block").WriteTo(&buf, 0)
			runtime.SetBlockProfileRate(0)
			return buf.Bytes(), err
		}
	case madmin.ProfilerMutex:
		prof.record("mutex", 0, "before")

pkg runtime (windows-amd64), const GOOS = "windows"
pkg runtime, const Compiler = "gc"
pkg runtime, func BlockProfile([]BlockProfileRecord) (int, bool)
pkg runtime, func SetBlockProfileRate(int)
pkg runtime, method (*BlockProfileRecord) Stack() []uintptr
pkg runtime, type BlockProfileRecord struct
pkg runtime, type BlockProfileRecord struct, Count int64