Source code for insights.parsers.bdi_read_ahead_kb

BDIReadAheadKB - file ``/sys/class/bdi/*/read_ahead_kb``

This parser reads the content of ``/sys/class/bdi/*/read_ahead_kb``.
from insights import Parser, parser
from insights.core.exceptions import ParseException
from insights.specs import Specs

[docs] @parser(Specs.bdi_read_ahead_kb) class BDIReadAheadKB(Parser): """ Class ``BDIReadAheadKB`` parses the content of the ``/sys/class/bdi/*/read_ahead_kb``. Raises: ParseException: When content is empty or unparseable A typical sample of the content of this file looks like:: 128 Examples: >>> type(bdi_read_ahead_kb) <class 'insights.parsers.bdi_read_ahead_kb.BDIReadAheadKB'> >>> bdi_read_ahead_kb.read_ahead_kb 128 """
[docs] def parse_content(self, content): if len(content) != 1: raise ParseException('Error: {0}'.format(content if content else 'empty file')) try: self._read_ahead_kb = int(content[0].strip()) except ValueError: raise ParseException("Error: unparseable content: {0}".format(content[0]))
@property def read_ahead_kb(self): """ int: Value of ``read_ahead_kb``.""" return self._read_ahead_kb