Value         int64
	Flat, FlatDiv int64
	Cum, CumDiv   int64
}

// FlatValue returns the exclusive value for this tag, computing the
// mean if a divisor is available.
func (t *Tag) FlatValue() int64 {
	if t.FlatDiv == 0 {
		return t.Flat
	}
	return t.Flat / t.FlatDiv
}

// CumValue returns the inclusive value for this tag, computing the

	file            string
	line            int
	flat, cum       int64
	flatDiv, cumDiv int64
	startsBlock     bool
	inlineCalls     []callID
}

type callID struct {
	file string
	line int
}

func (a *assemblyInstruction) flatValue() int64 {
	if a.flatDiv != 0 {
		return a.flat / a.flatDiv
	}
	return a.flat
}

func (a *assemblyInstruction) cumValue() int64 {

				x := sp.insts[addr]
				flatSum += x.flat
				cumSum += x.cum
				startsBlock := (addr != lastAddr+uint64(sp.insts[lastAddr].length))
				lastAddr = addr

				// divisors already applied, so leave flatDiv,cumDiv as 0
				asm = append(asm, assemblyInstruction{
					address:     x.objAddr,
					instruction: x.disasm,
					function:    fn.name,
					file:        x.file,
					line:        x.line,