[tools] Fix Callstats-Group classifier regexp in callstats.py

tools/callstats.py

 #!/usr/bin/env python
 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 '''
 Usage: runtime-call-stats.py [-h] <command> ...
 
 Optional arguments:
   -h, --help  show this help message and exit
 
@@ skipping 299 matching lines @@
            'stddev': stddev, 'min': low, 'max': high, 'ci': ci }
 
 
 def read_stats(path, domain, args):
   groups = [];
   if args.aggregate:
     groups = [
         ('Group-IC', re.compile(".*IC.*")),
         ('Group-Optimize',
          re.compile("StackGuard|.*Optimize.*|.*Deoptimize.*|Recompile.*")),
-        ('Group-Compile', re.compile("Compile.*")),
-        ('Group-Parse', re.compile("Parse.*")),
-        ('Group-Callback', re.compile("Callback$")),
-        ('Group-API', re.compile("API.*")),
+        ('Group-Compile', re.compile(".*Compile.*")),
+        ('Group-Parse', re.compile(".*Parse.*")),
+        ('Group-Callback', re.compile(".*Callback.*")),
+        ('Group-API', re.compile(".*API.*")),
         ('Group-GC', re.compile("GC|AllocateInTargetSpace")),
         ('Group-JavaScript', re.compile("JS_Execution")),
         ('Group-Runtime', re.compile(".*"))]
   with open(path, "rt") as f:
     # Process the whole file and sum repeating entries.
     entries = { 'Sum': {'time': 0, 'count': 0} }
     for group_name, regexp in groups:
       entries[group_name] = { 'time': 0, 'count': 0 }
     for line in f:
       line = line.strip()
@@ skipping 295 matching lines @@
     args.error("use either option --sites-file or site URLs")
     sys.exit(1)
   elif args.command == "run" and not coexist(args.replay_wpr, args.replay_bin):
     args.error("options --replay-wpr and --replay-bin must be used together")
     sys.exit(1)
   else:
     args.func(args)
 
 if __name__ == "__main__":
   sys.exit(main())