Telemetry: Print the sorted benchmark list when running run_benchmark.

tools/telemetry/telemetry/benchmark_runner.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Parses the command line, discovers the appropriate benchmarks, and runs them.
 
 Handles benchmark configuration, but all the logic for
 actually running the benchmark is in Benchmark and PageRunner."""
 
 import hashlib
@@ skipping 51 matching lines @@
   b = None  # Need this to stop pylint from complaining undefined variable.
   if any(not issubclass(b, benchmark.Benchmark) for b in benchmarks):
     assert False, '|benchmarks| param contains non benchmark class: %s' % b
 
   # Align the benchmark names to the longest one.
   format_string = '  %%-%ds %%s' % max(len(b.Name()) for b in benchmarks)
   disabled_benchmarks = []
 
   print >> output_pipe, 'Available benchmarks %sare:' % (
       'for %s ' % possible_browser.browser_type if possible_browser else '')
+
+  # Sort the benchmarks by benchmark name.
+  benchmarks = sorted(benchmarks, key=lambda b: b.Name())
   for b in benchmarks:
     if not possible_browser or _IsBenchmarkEnabled(b, possible_browser):
       print >> output_pipe, format_string % (b.Name(), b.Description())
     else:
       disabled_benchmarks.append(b)
 
   if disabled_benchmarks:
     print >> output_pipe, (
         '\nDisabled benchmarks for %s are (force run with -d):' %
         possible_browser.browser_type)
@@ skipping 311 matching lines @@
 
   # Parse and run the command.
   parser = command.CreateParser()
   command.AddCommandLineArgs(parser, environment)
   options, args = parser.parse_args()
   if commands:
     args = args[1:]
   options.positional_args = args
   command.ProcessCommandLineArgs(parser, options, environment)
   return command().Run(options)