[wasm] Lazy compilation for asm.js

src/counters.h

 // Copyright 2012 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.
 
 #ifndef V8_COUNTERS_H_
 #define V8_COUNTERS_H_
 
 #include "include/v8.h"
 #include "src/allocation.h"
 #include "src/base/atomic-utils.h"
@@ skipping 968 matching lines @@
      1000000, MICROSECOND)                                                     \
   HT(wasm_decode_module_time, V8.WasmDecodeModuleMicroSeconds, 1000000,        \
      MICROSECOND)                                                              \
   HT(wasm_decode_function_time, V8.WasmDecodeFunctionMicroSeconds, 1000000,    \
      MICROSECOND)                                                              \
   HT(wasm_compile_module_time, V8.WasmCompileModuleMicroSeconds, 1000000,      \
      MICROSECOND)                                                              \
   HT(wasm_compile_function_time, V8.WasmCompileFunctionMicroSeconds, 1000000,  \
      MICROSECOND)                                                              \
   HT(asm_wasm_translation_time, V8.AsmWasmTranslationMicroSeconds, 1000000,    \
-     MICROSECOND)
+     MICROSECOND)                                                              \
+  HT(asm_wasm_lazy_compilation_time, V8.AsmWasmLazyCompilationMicroSeconds,    \
+     1000000, MICROSECOND)
 
 #define AGGREGATABLE_HISTOGRAM_TIMER_LIST(AHT) \
   AHT(compile_lazy, V8.CompileLazyMicroSeconds)
 
 #define HISTOGRAM_PERCENTAGE_LIST(HP)                                          \
   /* Heap fragmentation. */                                                    \
   HP(external_fragmentation_total, V8.MemoryExternalFragmentationTotal)        \
   HP(external_fragmentation_old_space, V8.MemoryExternalFragmentationOldSpace) \
   HP(external_fragmentation_code_space,                                        \
      V8.MemoryExternalFragmentationCodeSpace)                                  \
@@ skipping 147 matching lines @@
   SC(map_space_bytes_committed, V8.MemoryMapSpaceBytesCommitted)               \
   SC(map_space_bytes_used, V8.MemoryMapSpaceBytesUsed)                         \
   SC(lo_space_bytes_available, V8.MemoryLoSpaceBytesAvailable)                 \
   SC(lo_space_bytes_committed, V8.MemoryLoSpaceBytesCommitted)                 \
   SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed)                           \
   /* Total code size (including metadata) of baseline code or bytecode. */     \
   SC(total_baseline_code_size, V8.TotalBaselineCodeSize)                       \
   /* Total count of functions compiled using the baseline compiler. */         \
   SC(total_baseline_compile_count, V8.TotalBaselineCompileCount)               \
   SC(wasm_generated_code_size, V8.WasmGeneratedCodeBytes)                      \
-  SC(wasm_reloc_size, V8.WasmRelocBytes)
+  SC(wasm_reloc_size, V8.WasmRelocBytes)                                       \
+  SC(asm_wasm_lazily_compiled_functions, V8.AsmWasmLazilyCompiledFunctions)
 
 // This file contains all the v8 counters that are in use.
 class Counters {
  public:
 #define HR(name, caption, min, max, num_buckets) \
   Histogram* name() { return &name##_; }
   HISTOGRAM_RANGE_LIST(HR)
 #undef HR
 
 #define HT(name, caption, max, res) \
@@ skipping 166 matching lines @@
 
   explicit Counters(Isolate* isolate);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Counters);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_