'Gets info about one or more Data ONTAP performance counters.'

def get_performance_counter_info(self, object_name, counter_name):

    api_args = {'objectname': object_name}
    result = self.send_request('perf-object-counter-list-info', api_args, enable_tunneling=False)
    counters = (result.get_child_by_name('counters') or netapp_api.NaElement('None'))
    for counter in counters.get_children():
        if (counter.get_child_content('name') == counter_name):
            labels = []
            label_list = (counter.get_child_by_name('labels') or netapp_api.NaElement('None'))
            for label in label_list.get_children():
                labels.extend(label.get_content().split(','))
            base_counter = counter.get_child_content('base-counter')
            return {'name': counter_name, 'labels': labels, 'base-counter': base_counter}
    else:
        raise exception.NotFound((_('Counter    %s    not    found') % counter_name))
