i += int(p.extra[i])
	}
	p.numExtra = 0

	// Report any lost events.
	if p.lostExtra > 0 {
		hdr := [1]uint64{p.lostExtra}
		lostStk := [2]uintptr{
			abi.FuncPCABIInternal(_LostExternalCode) + sys.PCQuantum,
			abi.FuncPCABIInternal(_ExternalCode) + sys.PCQuantum,
		}
		p.log.write(nil, 0, hdr[:], lostStk[:])
		p.lostExtra = 0
	}

	if p.lostAtomic > 0 {
		hdr := [1]uint64{p.lostAtomic}