[counters] Use separate counters for background parsing

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: callstats.py [-h] <command> ...
 
 Optional arguments:
   -h, --help  show this help message and exit
 
@@ skipping 329 matching lines @@
 
 
 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-ParseBackground', re.compile(".*ParseBackground.*")),
         ('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:
@@ skipping 18 matching lines @@
       # We calculate the sum, if it's not the "total" line.
       if key != "Total":
         entries['Sum']['time'] += time
         entries['Sum']['count'] += count
         for group_name, regexp in groups:
           if not regexp.match(key): continue
           entries[group_name]['time'] += time
           entries[group_name]['count'] += count
           break
     # Calculate the V8-Total (all groups except Callback)
-    total_v8 = { 'time': 0, 'count': 0 }
+    group_data = { 'time': 0, 'count': 0 }
     for group_name, regexp in groups:
       if group_name == 'Group-Callback': continue
-      total_v8['time'] += entries[group_name]['time']
-      total_v8['count'] += entries[group_name]['count']
-    entries['Group-Total-V8'] = total_v8
+      group_data['time'] += entries[group_name]['time']
+      group_data['count'] += entries[group_name]['count']
+    entries['Group-Total-V8'] = group_data
+    # Calculate the Parse-Total group
+    group_data = { 'time': 0, 'count': 0 }
+    for group_name, regexp in groups:
+      if !group_name.startswith('Group-Parse'): continue
+      group_data['time'] += entries[group_name]['time']
+      group_data['count'] += entries[group_name]['count']
+    entries['Group-Parse-Total'] = group_data
     # Append the sums as single entries to domain.
     for key in entries:
       if key not in domain: domain[key] = { 'time_list': [], 'count_list': [] }
       domain[key]['time_list'].append(entries[key]['time'])
       domain[key]['count_list'].append(entries[key]['count'])
 
 
 def print_stats(S, args):
   # Sort by ascending/descending time average, then by ascending/descending
   # count average, then by ascending name.
@@ skipping 276 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())