/usr/lib/plainbox-providers-1/checkbox/bin/cpu_topology is in plainbox-provider-checkbox 0.3-2.
This file is owned by root:root, with mode 0o755.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #!/usr/bin/env python3
'''
cpu_topology
Written by Jeffrey Lane <jeffrey.lane@canonical.com>
'''
import sys
import os
class proc_cpuinfo():
'''
Class to get and handle information from /proc/cpuinfo
Creates a dictionary of data gleaned from that file.
'''
def __init__(self):
self.cpuinfo = {}
cpu_fh = open('/proc/cpuinfo', 'r')
try:
temp = cpu_fh.readlines()
finally:
cpu_fh.close()
for i in temp:
if i.startswith('processor'):
key = 'cpu' + (i.split(':')[1].strip())
self.cpuinfo[key] = {'core_id':'', 'physical_package_id':''}
elif i.startswith('core id'):
self.cpuinfo[key].update({'core_id': i.split(':')[1].strip()})
elif i.startswith('physical id'):
self.cpuinfo[key].update({'physical_package_id':
i.split(':')[1].strip()})
else:
continue
class sysfs_cpu():
'''
Class to get and handle information from sysfs as relates to CPU topology
Creates an informational class to present information on various CPUs
'''
def __init__(self, proc):
self.syscpu = {}
self.path = '/sys/devices/system/cpu/' + proc + '/topology'
items = ['core_id', 'physical_package_id']
for i in items:
syscpu_fh = open(os.path.join(self.path, i), 'r')
try:
self.syscpu[i] = syscpu_fh.readline().strip()
finally:
syscpu_fh.close()
def compare(proc_cpu, sys_cpu):
cpu_map = {}
'''
If there is only 1 CPU the test don't look for core_id
and physical_package_id because those information are absent in
/proc/cpuinfo on singlecore system
'''
for key in proc_cpu.keys():
if 'cpu1' not in proc_cpu:
cpu_map[key] = True
else:
for subkey in proc_cpu[key].keys():
if proc_cpu[key][subkey] == sys_cpu[key][subkey]:
cpu_map[key] = True
else:
cpu_map[key] = False
return cpu_map
def main():
cpuinfo = proc_cpuinfo()
sys_cpu = {}
keys = cpuinfo.cpuinfo.keys()
for k in keys:
sys_cpu[k] = sysfs_cpu(k).syscpu
cpu_map = compare(cpuinfo.cpuinfo, sys_cpu)
if False in cpu_map.values() or len(cpu_map) < 1:
print("FAIL: CPU Topology is incorrect", file=sys.stderr)
print("-" * 52, file=sys.stderr)
print("{0}{1}".format("/proc/cpuinfo".center(30), "sysfs".center(25)),
file=sys.stderr)
print("{0}{1}{2}{3}{1}{2}".format(
"CPU".center(6),
"Physical ID".center(13),
"Core ID".center(9),
"|".center(3)), file=sys.stderr)
for key in sorted(sys_cpu.keys()):
print("{0}{1}{2}{3}{4}{5}".format(
key.center(6),
cpuinfo.cpuinfo[key]['physical_package_id'].center(13),
cpuinfo.cpuinfo[key]['core_id'].center(9),
"|".center(3),
sys_cpu[key]['physical_package_id'].center(13),
sys_cpu[key]['core_id'].center(9)), file=sys.stderr)
return 1
else:
return 0
if __name__ == '__main__':
sys.exit(main())
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