Add counters that automatically track object sizes and counts.

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1283 matching lines @@
     for (CounterMap::Iterator i(counter_map_); i.More(); i.Next()) {
       number_of_counters++;
     }
     CounterAndKey* counters = new CounterAndKey[number_of_counters];
     int j = 0;
     for (CounterMap::Iterator i(counter_map_); i.More(); i.Next(), j++) {
       counters[j].counter = i.CurrentValue();
       counters[j].key = i.CurrentKey();
     }
     qsort(counters, number_of_counters, sizeof(counters[0]), CompareKeys);
-    printf("+--------------------------------------------+-------------+\n");
-    printf("| Name                                       | Value       |\n");
-    printf("+--------------------------------------------+-------------+\n");
+    printf("+----------------------------------------------------------------+"
+           "-------------+\n");
+    printf("| Name                                                           |"
+           " Value       |\n");
+    printf("+----------------------------------------------------------------+"
+           "-------------+\n");
     for (j = 0; j < number_of_counters; j++) {
       Counter* counter = counters[j].counter;
       const char* key = counters[j].key;
       if (counter->is_histogram()) {
-        printf("| c:%-40s | %11i |\n", key, counter->count());
-        printf("| t:%-40s | %11i |\n", key, counter->sample_total());
+        printf("| c:%-60s | %11i |\n", key, counter->count());
+        printf("| t:%-60s | %11i |\n", key, counter->sample_total());
       } else {
-        printf("| %-42s | %11i |\n", key, counter->count());
+        printf("| %-62s | %11i |\n", key, counter->count());
       }
     }
-    printf("+--------------------------------------------+-------------+\n");
+    printf("+----------------------------------------------------------------+"
+           "-------------+\n");
     delete [] counters;
   }
   delete counters_file_;
   delete counter_map_;
 }
 #endif  // V8_SHARED
 
 
 static FILE* FOpen(const char* path, const char* mode) {
 #if defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))
@@ skipping 561 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif