def METHOD_NAME(self, d, day, start, end):
    cols = ['date',
            'runq_sz',
            'nodename']
    f = self.sarfile(day)
    lines = []
    if f is None:
        return cols, lines
    cmd = ['sar', '-q', '-f', f, '-s', start, '-e', end]
    (ret, buff, err) = call(cmd)
    for line in buff.split('\n'):
        l = line.split()
        if len(l) != 5:
            continue
        if l[1] == 'runq-sz':
            continue
        if l[0] == 'Average':
            continue
        x = ['%s %s' % (d, l[0]), l[1], self.nodename]
        lines.append(x)
    return cols, lines