for _, fn := range newFuncs {
		start := b.pb.startMessage()
		b.pb.uint64Opt(tagFunction_ID, fn.id)
		b.pb.int64Opt(tagFunction_Name, b.stringIndex(fn.name))
		b.pb.int64Opt(tagFunction_SystemName, b.stringIndex(fn.name))
		b.pb.int64Opt(tagFunction_Filename, b.stringIndex(fn.file))
		b.pb.int64Opt(tagFunction_StartLine, fn.startLine)
		b.pb.endMessage(tagProfile_Function, start)
	}

	b.flush()
	return id
}