Merge "perfboot.py: warn if dm-verity is disabled"

    atexit.register(cleanup)

def check_dm_verity_settings(device):

    device.wait()

    for partition in ['system', 'vendor']:

        verity_mode = device.get_prop('partition.%s.verified' % partition)

        if verity_mode is None:

            logging.warning('dm-verity is not enabled for /%s. Did you run '

                            'adb disable-verity? That may skew the result.',

                            partition)

def read_event_tags(tags_file):

    """Reads event tags from |tags_file|."""

    if not tags_file:

        args.output = 'perf-%s-%s.tsv' % (

            device.get_prop('ro.build.flavor'),

            device.get_prop('ro.build.version.incremental'))

    check_dm_verity_settings(device)

    record_list = []

    event_tags = read_event_tags(args.tags)