procfs cpuinfo: use sequence number as processor

Change-Id: Idbfa48e9b60c03495d7ba72e962c55f0ffb8bec9

test/issues/1457/C1457.py

@@ -0,0 +1,63 @@
+#
+# 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()