Add more detailed timers of the various compilation passes. The...

src/v8-counters.h

 // Copyright 2007-2008 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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_V8_COUNTERS_H_
 #define V8_V8_COUNTERS_H_
 
 #include "counters.h"
 
 namespace v8 { namespace internal {
 
-#define HISTOGRAM_TIMER_LIST(HT)                                 \
-  HT(gc_compactor, V8.GCCompactor) /* GC Compactor time */       \
-  HT(gc_scavenger, V8.GCScavenger) /* GC Scavenger time */       \
-  HT(gc_context, V8.GCContext)     /* GC context cleanup time */ \
-  HT(compile, V8.Compile)          /* Compile time*/             \
-  HT(compile_eval, V8.CompileEval) /* Eval compile time */       \
-  HT(compile_lazy, V8.CompileLazy) /* Lazy compile time */       \
-  HT(parse, V8.Parse)              /* Parse time */              \
-  HT(parse_lazy, V8.ParseLazy)     /* Lazy parse time */         \
-  HT(pre_parse, V8.PreParse)       /* Pre-parse time */
+#define HISTOGRAM_TIMER_LIST(HT)                                      \
+  /* Garbage collection timers. */                                    \
+  HT(gc_compactor, V8.GCCompactor)                                    \
+  HT(gc_scavenger, V8.GCScavenger)                                    \
+  HT(gc_context, V8.GCContext) /* GC context cleanup time */          \
+  /* Parsing timers. */                                               \
+  HT(parse, V8.Parse)                                                 \
+  HT(parse_lazy, V8.ParseLazy)                                        \
+  HT(pre_parse, V8.PreParse)                                          \
+  /* Total compilation times. */                                      \
+  HT(compile, V8.Compile)                                             \
+  HT(compile_eval, V8.CompileEval)                                    \
+  HT(compile_lazy, V8.CompileLazy)                                    \
+  /* Individual compiler passes. */                                   \
+  HT(rewriting, V8.Rewriting)                                         \
+  HT(usage_analysis, V8.UsageAnalysis)                                \
+  HT(variable_allocation, V8.VariableAllocation)                      \
+  HT(ast_optimization, V8.ASTOptimization)                            \
+  HT(code_generation, V8.CodeGeneration)                              \
+  HT(deferred_code_generation, V8.DeferredCodeGeneration)             \
+  HT(code_creation, V8.CodeCreation)
 
 // WARNING: STATS_COUNTER_LIST_* is a very large macro that is causing MSVC
 // Intellisense to crash.  It was broken into two macros (each of length 40
 // lines) rather than one macro (of length about 80 lines) to work around
 // this problem.  Please avoid using recursive macros of this length when
 // possible.
 #define STATS_COUNTER_LIST_1(SC)                                 \
   /* Global Handle Count*/                                       \
   SC(global_handles, V8.GlobalHandles)                           \
   /* Mallocs from PCRE */                                        \
@@ skipping 101 matching lines @@
     stats_counter_count
   };
 
   // Sliding state window counters.
   static StatsCounter state_counters[];
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_COUNTERS_H_