bin/find-most-common-warn-messages.py

   1 #!/usr/bin/python3
   2
   3 # A script to search our test logs and sort the messages by how common they are so we can start to
   4 # reduce the noise a little.
   5
   6 import subprocess
   7
   8 # find . -name '*.log' | xargs grep -h 'warn:' | sort | uniq -c | sort -n --field-separator=: --key=5,6
   9
  10 process = subprocess.Popen("find workdir -name '*.log' | xargs grep -h 'warn:' | sort",
  11                             shell=True, stdout=subprocess.PIPE, universal_newlines=True)
  12
  13 messages = dict() # dict of sourceAndLine->count
  14 sampleOfMessage = dict() # dict of sourceAndLine->string
  15 for line in process.stdout:
  16     line = line.strip()
  17     # a sample line is:
  18     #    warn:sw:18790:1:sw/source/core/doc/DocumentRedlineManager.cxx:98: redline table corrupted: overlapping redlines
  19     tokens = line.split(":")
  20     sourceAndLine = tokens[4] + ":" + tokens[5]
  21     if (sourceAndLine in messages):
  22         messages[sourceAndLine] = messages[sourceAndLine] + 1
  23     else:
  24         messages[sourceAndLine] = 1
  25         sampleOfMessage[sourceAndLine] = line[line.find(tokens[6]):]
  26
  27 tmplist = list() # set of tuple (count, sourceAndLine)
  28 for key, value in messages.items():
  29     tmplist.append([value,key])
  30
  31 print( "The top 20 warnings" )
  32 print("")
  33 for i in sorted(tmplist, key=lambda v: v[0])[-20:]:
  34     print( "%6d %s %s" % (i[0], i[1], sampleOfMessage[i[1]]) )
  35
  36