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# SPDX-License-Identifier: GPL-2.0
import json
import _damon
import _damon_args
import _damon_sysfs
def main(args):
_damon.ensure_root_and_initialized(args)
feature_supports, err = _damon.get_feature_supports()
if err != None:
print('getting feature supports info failed (%s)' % err)
exit(1)
for feature in sorted(feature_supports.keys()):
supported = feature_supports[feature]
if args.type == 'all':
print('%s: %s' % (feature,
'Supported' if supported else 'Unsupported'))
elif args.type == 'supported' and supported:
print(feature)
elif args.type == 'unsupported' and not supported:
print(feature)
if args.type == 'json':
print(json.dumps(feature_supports, indent=4, sort_keys=True))
if args.infer_version:
print('Seems the version of DAMON is %s' %
_damon_sysfs.infer_damon_version())
def set_argparser(parser):
parser.add_argument('type', nargs='?',
choices=['supported', 'unsupported', 'all', 'json'], default='all',
help='type of features to listed')
parser.add_argument('--infer_version', action='store_true',
help='infer version of DAMON')
_damon_args.set_common_argparser(parser)
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