diff --git a/tools/times-vs.py b/tools/times-vs.py
new file mode 100644
index 000000000..0c836a622
--- /dev/null
+++ b/tools/times-vs.py
@@ -0,0 +1,42 @@
+
+import subprocess
+import glob
+import re
+import sys
+
+if len(sys.argv) != 2:
+  print('revisions not specified')
+  sys.exit(1)
+
+res = re.match(r'([0-9]+):([0-9]+)', sys.argv[1])
+if res is None:
+  print('invalid format, 11111:22222')
+  sys.exit(1)
+
+rev1 = int(res.group(1))
+rev2 = int(res.group(2))
+
+if rev1>rev2 or rev1<10000 or rev2>20000 or rev2-rev1>500:
+  print('range, aborting')
+  sys.exit(1)
+
+print('Revisions: ' + str(rev1) + ':' + str(rev2))
+
+f = open('results.txt', 'wt')
+f.write('\n')
+f.close()
+
+for rev in range(rev1,rev2):
+  subprocess.call(['svn', 'revert', '-R',  '.'])
+  subprocess.call(['svn', 'up', '-r' + str(rev)])
+  for vcxproj in glob.glob('*/*.vcxproj'):
+    subprocess.call([r'c:\cygwin64\bin\sed.exe', '-i', 's/140/120/', vcxproj])
+  subprocess.call('msbuild cppcheck.sln /t:build /p:configuration=Release,platform=x64'.split())
+  print('Revision:' + str(rev))
+  p = subprocess.Popen(r'bin\cppcheck.exe src -q --showtime=summary'.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  comm = p.communicate()
+  f = open('results.txt', 'at')
+  f.write('\nREV ' + str(rev) + '\n')
+  f.write(comm[0].decode('utf-8'))
+  f.close()
+