def METHOD_NAME(t):
    d = t.strftime("%Y-%m-%d")
    day = t.strftime("%d")
    f = sarfile(day)
    if f is None:
        return []
    cmd = ['sar', '-b', '-f', f]
    (ret, buff, err) = call(cmd)
    lines = []
    for line in buff.split('\n'):
        l = line.split()
        if len(l) != 9:
            continue
        if ':' not in l[1]:
            continue
        """ xmlrpc: date tps rtps wtps rbps wbps nodename
        """
        x = ['%s %s' % (d, l[0]), '0', '0', '0', l[1], l[4], Env.nodename]
        lines.append(x)
    return lines