def generate_performance_data(label="", value="", uom="", warning="", critical="", minimum="", maximum=""):
    """ return a performance data string

    Keyword arguments:
    label -- The label for the performance data
    value -- The actual measured value
    uom -- unit of measurement
    warning -- the warning threshold
    critical -- the critical threshold
    minimum -- the minium value
    maximum -- the maximum value
    """

    return "%s=%s%s;%s;%s;%s;%s" % (str(label), str(value), str(uom), str(warning),
                                    str(critical), str(minimum), str(maximum))