if err != nil {
		return nil, nil, fmt.Errorf("malformed sample: %s: %v", line, err)
	}

	return value, addrs, nil
}

// parseThread parses a Threadz profile and returns a new Profile.
func parseThread(b []byte) (*Profile, error) {
	s := bufio.NewScanner(bytes.NewBuffer(b))
	// Skip past comments and empty lines seeking a real header.
	for s.Scan() && isSpaceOrComment(s.Text()) {
	}

const colCount=cols.length;if(parseProcesses&&colCount===9){legacy=false;}else if(parseProcesses&&colCount===8){legacy=true;}...

func parseLegacy(data []byte) (*Profile, error) {
	parsers := []func([]byte) (*Profile, error){
		parseCPU,
		parseHeap,
		parseGoCount, // goroutine, threadcreate
		parseThread,
		parseContention,
		parseJavaProfile,
	}

	for _, parser := range parsers {
		p, err := parser(data)
		if err == nil {
			p.addLegacyFrameInfo()
			return p, nil
		}