// Merge samples from the same location.
		j := 1
		for i := 1; i < len(p.Blocks); i++ {
			b := p.Blocks[i]
			last := p.Blocks[j-1]
			if b.StartLine == last.StartLine &&
				b.StartCol == last.StartCol &&
				b.EndLine == last.EndLine &&
				b.EndCol == last.EndCol {
				if b.NumStmt != last.NumStmt {
					return nil, fmt.Errorf("inconsistent NumStmt: changed from %d to %d", last.NumStmt, b.NumStmt)
				}

            var currentCol = 0;
            slices = [];
            row.find("th").each(function(){
                var e = $(this);
                var title = e.text().trim();
                var startCol = currentCol;
                currentCol += parseInt(e.attr('colspan'));
                var endCol = currentCol;
                if (title.length === 0) {
                    return;
                }

	for _, b := range profile.Blocks {
		if b.StartLine > f.endLine || (b.StartLine == f.endLine && b.StartCol >= f.endCol) {
			// Past the end of the function.
			break
		}
		if b.EndLine < f.startLine || (b.EndLine == f.startLine && b.EndCol <= f.startCol) {
			// Before the beginning of the function
			continue
		}
		total += int64(b.NumStmt)
		if b.Count > 0 {