#
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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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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 ProcVmallocInfoTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/vmallocinfo provides info on vmalloc'd ranges.'''
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start = 'lines'
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def t_CALLER(self, t):
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'[^ ^\t^\n^-^=^+^/]+\+0x[a-f0-9]+/0x[a-f0-9]+'
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t.value = t.value.split('+')
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return t
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t_PAGES = literal_token('pages')
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t_IOREMAP = literal_token('ioremap')
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t_MODULE = literal_token('\[[^\n^\0]*\]')
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t_VMALLOC = literal_token('vmalloc')
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t_VMAP = literal_token('vmap')
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t_USER = literal_token('user')
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t_VPAGES = literal_token('vpages')
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t_VM_AREA = literal_token('vm_area')
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t_UNPURGED = literal_token('unpurged')
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t_VM_MAP_RAM = literal_token('vm_map_ram')
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t_ignore = ' '
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def t_PHYS(self, t):
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r'phys=(0x)?[a-f0-9]+'
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t.value = [t.value[:4], int(t.value[5:], 16)]
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return t
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def t_NODES(self, t):
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r'N[0-9]+=[1-9][0-9]*'
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t.value = t.value.split('=', 1)
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return t
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p_lines = repeat_rule('line')
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p_nodes = repeat_rule('node')
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def p_line(self, p):
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'line : addr_range NUMBER caller module pages phys ioremap vmalloc vmap user vpages vm_vm_area nodes NEWLINE'
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p[0] = p[1:]
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def p_addr_range(self, p):
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'addr_range : HEX_LITERAL DASH HEX_LITERAL'
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p[0] = [p[1], p[3]]
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def p_module(self, p):
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'''module : MODULE
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| empty'''
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p[0] = p[1]
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def p_pages(self, p):
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'''pages : PAGES EQUALS NUMBER
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| empty'''
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p[0] = [] if len(p) == 2 else [p[1], p[3]]
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def p_phys(self, p):
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'''phys : PHYS
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| empty'''
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p[0] = p[1]
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def p_ioremap(self, p):
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'''ioremap : IOREMAP
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| empty'''
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p[0] = p[1]
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def p_vmalloc(self, p):
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'''vmalloc : VMALLOC
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| empty'''
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p[0] = p[1]
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def p_vmap(self, p):
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'''vmap : VMAP
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| empty'''
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p[0] = p[1]
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def p_user(self, p):
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'''user : USER
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| empty'''
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p[0] = p[1]
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def p_vpages(self, p):
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'''vpages : VPAGES
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| empty'''
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p[0] = p[1]
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def p_vm_vm_area(self, p):
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'''vm_vm_area : UNPURGED VM_AREA
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| VM_MAP_RAM
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| empty'''
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if len(p) == 2:
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p[0] = []
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else:
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p[0] = p[1:]
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def p_node(self, p):
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'''node : NODES
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| empty'''
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p[0] = [1]
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def p_caller(self, p):
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'''caller : CALLER
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| HEX_LITERAL
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| empty'''
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p[0] = p[1]
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def get_path(self):
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return "/proc/vmallocinfo"
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