Run no CPU benches in Debug trybots.

tools/nanobench_flags.py

 #
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 
 #!/usr/bin/env python
 
 usage = '''
@@ skipping 102 matching lines @@
   match.append('~inc1.ico')
   match.append('~inc0.png')
   match.append('~inc1.png')
   match.append('~inc2.png')
   match.append('~inc12.png')
   match.append('~inc13.png')
   match.append('~inc14.png')
   match.append('~inc0.webp')
   match.append('~inc1.webp')
 
+  # As an experiment, skip nanobench on Debug trybots.
+  if 'Debug' in bot and 'CPU' in bot and 'Trybot' in bot:
+    match = ['nothing_will_match_this']
+
   if match:
     args.append('--match')
     args.extend(match)
 
   return args
 cov_end = lineno()   # Don't care about code coverage past here.
 
 
 def self_test():
   import coverage  # This way the bots don't need coverage.py to be installed.
   args = {}
   cases = [
     'Perf-Android-GCC-Nexus6-GPU-Adreno420-Arm7-Release',
     'Perf-Android-Nexus7-Tegra3-Arm7-Release',
     'Perf-Android-GCC-NexusPlayer-GPU-PowerVR-x86-Release',
     'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
     'Test-Win7-MSVC-ShuttleA-GPU-HD2000-x86-Debug-ANGLE',
     'Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Debug',
     'Test-Android-GCC-GalaxyS4-GPU-SGX544-Arm7-Release',
+    'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot',
   ]
 
   cov = coverage.coverage()
   cov.start()
   for case in cases:
     args[case] = get_args(case)
   cov.stop()
 
   this_file = os.path.basename(__file__)
   _, _, not_run, _ = cov.analysis(this_file)
@@ skipping 11 matching lines @@
   if len(sys.argv) == 2 and sys.argv[1] == 'test':
     self_test()
     sys.exit(0)
 
   if len(sys.argv) != 3:
     print usage
     sys.exit(1)
 
   with open(sys.argv[1], 'w') as out:
     json.dump(get_args(sys.argv[2]), out)