/usr/lib/python3/dist-packages/checkbox_support/parsers/cpuinfo.py is in python3-checkbox-support 0.22-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# This file is part of Checkbox.
#
# Copyright 2011 Canonical Ltd.
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from os import uname
import re
from checkbox_support.lib.conversion import string_to_type
class CpuinfoParser(object):
"""Parser for the /proc/cpuinfo file."""
def __init__(self, stream, machine=None):
self.stream = stream
self.machine = machine or uname()[4].lower()
def getAttributes(self):
count = 0
attributes = {}
cpuinfo = self.stream.read()
for block in re.split(r"\n{2,}", cpuinfo):
block = block.strip()
if not block:
continue
for line in block.split("\n"):
if not line:
continue
key, value = line.split(":", 1)
key, value = key.strip(), value.strip()
if key == 'processor':
count += 1
# Handle bogomips on sparc
if key.endswith("Bogo"):
key = "bogomips"
# Handle version on ppc
if self.machine[:3] == "ppc" and key == 'revision':
value, version_value = value.split("(", 1)
attributes["version"] = version_value[:-1]
attributes[key] = value
if attributes:
attributes["count"] = count
return attributes
def run(self, result):
attributes = self.getAttributes()
if not attributes:
return
# Default values
machine = self.machine
processor = {
"platform": machine,
"count": 1,
"type": machine,
"model": machine,
"model_number": "",
"model_version": "",
"model_revision": "",
"cache": -1,
"bogomips": -1,
"speed": -1,
"other": ""}
# Conversion table
platform_to_conversion = {
("i386", "i486", "i586", "i686", "x86_64",): {
"type": "vendor_id",
"model": "model name",
"model_number": "cpu family",
"model_version": "model",
"model_revision": "stepping",
"cache": "cache size",
"other": "flags",
"speed": "cpu MHz"},
("alpha", "alphaev6",): {
"count": "cpus detected",
"type": "cpu",
"model": "cpu model",
"model_number": "cpu variation",
"model_version": ("system type", "system variation",),
"model_revision": "cpu revision",
"other": "platform string",
"speed": "cycle frequency [Hz]"},
("armv7l","aarch64"): {
"type": "Hardware",
"model": "Processor",
"model_number": "CPU variant",
"model_version": "CPU architecture",
"model_revision": "CPU revision",
"other": "Features",
"bogomips": "BogoMIPS"},
("ia64",): {
"type": "vendor",
"model": "family",
"model_version": "archrev",
"model_revision": "revision",
"other": "features",
"speed": "cpu mhz"},
("ppc64", "ppc64le", "ppc64el", "ppc",): {
"type": "platform",
"model": "cpu",
"model_number": "model",
"model_version": "version",
"model_revision": "revision",
"other": "firmware",
"speed": "clock"},
("sparc64", "sparc",): {
"count": "ncpus probed",
"type": "type",
"model": "cpu",
"model_version": "type",
"speed": "bogomips"}}
for key in processor:
if attributes.get(key):
processor[key] = attributes.get(key)
for platform, conversion in platform_to_conversion.items():
if machine in platform:
for pkey, ckey in conversion.items():
if isinstance(ckey, (list, tuple)):
processor[pkey] = "/".join([attributes[k]
for k in ckey])
elif ckey in attributes:
processor[pkey] = attributes[ckey]
# Adjust platform
if machine[0] == "i" and machine[-2:] == "86":
processor["platform"] = "i386"
elif machine[:5] == "alpha":
processor["platform"] = "alpha"
# Adjust cache
if processor["cache"]:
try:
processor["cache"] = string_to_type(processor["cache"])
except TypeError:
processor["cache"] = int(round(float(processor["cache"])))
# Adjust speed
try:
if machine[:5] == "alpha":
speed = processor["speed"].split()[0]
processor["speed"] = int(round(float(speed))) / 1000000
elif machine[:5] == "sparc":
speed = processor["speed"]
processor["speed"] = int(round(float(speed))) / 2
elif machine[:3] == "ppc":
# String is appended with "mhz"
processor["speed"] = processor["speed"][:-3]
except ValueError:
processor["speed"] = -1
# Make sure speed and bogomips are integers
processor["speed"] = int(round(float(processor["speed"])) - 1)
processor["bogomips"] = int(round(float(processor["bogomips"])))
# Adjust other for ppc. Firmware is empty for VM.
if machine[:3] == "ppc" and processor["model_number"][13:-1] == \
"emulated by qemu":
processor["other"] = processor["model_number"][13:-1]
# Adjust count
try:
processor["count"] = int(processor["count"])
except ValueError:
processor["count"] = 1
else:
# There is at least one processor
if processor["count"] == 0:
processor["count"] = 1
result.setProcessor(processor)
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