117 lines
4.0 KiB
Python
117 lines
4.0 KiB
Python
#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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from vts.runners.host import const
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from vts.testcases.kernel.api.proc import KernelProcFileTestBase
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from vts.testcases.kernel.api.proc.KernelProcFileTestBase import repeat_rule, literal_token
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class ProcDiskstatsTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/diskstats displays I/O statistics of block devices.'''
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t_ignore = ' '
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start = 'lines'
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p_lines = repeat_rule('line')
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def p_line(self, p):
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'''line : NUMBER NUMBER STRING NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NEWLINE
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| NUMBER NUMBER STRING NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NEWLINE'''
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p[0] = p[1:]
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def get_path(self):
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return "/proc/diskstats"
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class ProcMountsTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/self/mounts lists the mounted filesystems.
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/proc/mounts must symlink to this file.'''
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def parse_contents(self, contents):
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if len(contents) == 0 or contents[-1] != '\n':
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raise SyntaxError('Missing final newline')
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result = []
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for line in contents.split('\n')[:-1]:
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parsed = line.split(' ')
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parsed[3] = parsed[3].split(',')
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result.append(parsed)
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return result
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def result_correct(self, parse_results):
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for line in parse_results:
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if len(line[3]) < 1 or line[3][0] not in {'rw', 'ro'}:
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logging.error("First attribute must be rw or ro")
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return False
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if line[4] != '0' or line[5] != '0':
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logging.error("Last 2 columns must be 0")
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return False
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return True
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def prepare_test(self, shell, dut):
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# Follow the symlink
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results = shell.Execute('readlink /proc/mounts')
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if results[const.EXIT_CODE][0] != 0:
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return False
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return results[const.STDOUT][0] == 'self/mounts\n'
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def get_path(self):
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return "/proc/self/mounts"
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class ProcFilesystemsTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/filesystems lists filesystems currently supported by kernel.'''
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def parse_contents(self, contents):
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if len(contents) == 0 or contents[-1] != '\n':
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raise SyntaxError('Missing final newline')
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result = []
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for line in contents.split('\n')[:-1]:
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parsed = line.split('\t')
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num_columns = len(parsed)
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if num_columns != 2:
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raise SyntaxError('Wrong number of columns.')
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result.append(parsed)
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return result
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def get_path(self):
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return "/proc/filesystems"
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class ProcSwapsTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/swaps measures swap space utilization.'''
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REQUIRED_COLUMNS = {
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'Filename',
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'Type',
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'Size',
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'Used',
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'Priority'
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}
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def parse_contents(self, contents):
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if len(contents) == 0 or contents[-1] != '\n':
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raise SyntaxError('Missing final newline')
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return map(lambda x: x.split(), contents.split('\n')[:-1])
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def result_correct(self, result):
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return self.REQUIRED_COLUMNS.issubset(result[0])
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def get_path(self):
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return "/proc/swaps"
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def file_optional(self, shell=None, dut=None):
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# It is not mandatory to have this file present
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return True
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