Files
mckernel/test/issues/1457/C1457.py
Toshiyuki Takahashi bb7e140655 procfs cpuinfo: use sequence number as processor
Change-Id: Idbfa48e9b60c03495d7ba72e962c55f0ffb8bec9
2020-03-12 05:19:25 +00:00

64 lines
1.6 KiB
Python

#
# Test script for issue #1439
#
import os
import sys
import subprocess
def get_command_result(cmd):
results = subprocess.Popen(
cmd, stdout=subprocess.PIPE,
shell=True).stdout.readlines()
return [str(x).rstrip("\n") for x in results]
def enumerate_cpu(cpu_list):
allcpus = []
for ranged_cpu in cpu_list.split(','):
try:
cpu_begin, cpu_end = ranged_cpu.split('-')
except ValueError:
cpu_begin = cpu_end = ranged_cpu
for i in range(int(cpu_begin), int(cpu_end) + 1):
allcpus.append(i)
allcpus.sort()
return allcpus
def get_online_cpu():
online_file = open('/sys/devices/system/cpu/online', 'r')
return online_file.readlines()[0].strip()
def get_cpuinfo_processors():
processors = []
cpuinfo_file = open('/proc/cpuinfo', 'r')
for line in cpuinfo_file.readlines():
if line.startswith('processor'):
processor = int(line.strip().split()[-1])
processors.append(processor)
return processors
def main():
onlines = enumerate_cpu(get_online_cpu())
processors = get_cpuinfo_processors()
print '# of online cpus:', len(onlines)
print '# of cpuinfo processors:', len(processors)
if len(onlines) != len(processors):
print 'ERROR: # of processors is not equal to # of cpus'
print 'FAIL'
exit()
i = 0
for cpu in processors:
print i, 'processor:', cpu
if i != cpu:
print 'ERROR: processor number is not ordered'
print 'FAIL'
exit()
i = i + 1
print 'SUCCESS'
if __name__ == '__main__':
main()