// - input entry is not of the type *madmin.TraceInfo*
// - errOnly entries are to be traced, not status code 2xx, 3xx.
// - madmin.TraceInfo type is asked by opts
func shouldTrace(trcInfo madmin.TraceInfo, opts madmin.ServiceTraceOpts) (shouldTrace bool) {
	// Reject all unwanted types.
	want := opts.TraceTypes()
	if !want.Contains(trcInfo.TraceType) {
		return false
	}