if !gs.syscall.active {
		return
	}
	blockString := "no"
	if blocked {
		blockString = "yes"
	}
	gs.completedRanges = append(gs.completedRanges, completedRange{
		name:       "syscall",
		startTime:  gs.syscall.time,
		endTime:    ts,
		startStack: gs.syscall.stack,
		arg:        format.BlockedArg{Blocked: blockString},
	})
	gs.syscall.active = false
	gs.syscall.time = 0

	// generate block kind string method
	fmt.Fprintln(w, "var blockString = [...]string{")
	fmt.Fprintln(w, "BlockInvalid:\"BlockInvalid\",")
	for _, a := range archs {
		fmt.Fprintln(w)
		for _, b := range a.blocks {
			fmt.Fprintf(w, "Block%s%s:\"%s\",\n", a.Name(), b.name, b.name)
		}
	}
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "func (k BlockKind) String() string {return blockString[k]}")

	// generate block kind auxint method