Separate module instantiate counter for asm and wasm.

src/counters.h

Index: src/counters.h
diff --git a/src/counters.h b/src/counters.h
index 39d97dd018b1d5f784b77fc70ca88ea831d55d71..cb139b1400513e317f094f16eabe94085cfa864e 100644
--- a/src/counters.h
+++ b/src/counters.h
@@ -955,7 +955,10 @@ class RuntimeCallTimerScope {
   /* Total JavaScript execution time (including callbacks and runtime calls */ \
   HT(execute, V8.Execute, 1000000, MICROSECOND)                                \
   /* Asm/Wasm */                                                               \
-  HT(wasm_instantiate_module_time, V8.WasmInstantiateModuleMicroSeconds,       \
+  /* TODO(karlschimpf) Update chrome flags to reflect asm/wasm split. */       \
+  HT(wasm_instantiate_asm_module_time, V8.WasmInstantiateModuleMicroSeconds,   \

[bradnelson, 2017/03/24 17:25:10]

You need to make up separate names for the chrome side part.
Maybe:
V8.AsmWasmInstantiateModuleMicroSeconds

[bradnelson, 2017/03/24 17:33:14]

Sounds like these are safe to direct to the same bucket until we're ready to
switch everything over in one step right before commiting to chromium.

+     1000000, MICROSECOND)                                                     \
+  HT(wasm_instantiate_wasm_module_time, V8.WasmInstantiateModuleMicroSeconds,  \
      1000000, MICROSECOND)                                                     \
   HT(wasm_decode_module_time, V8.WasmDecodeModuleMicroSeconds, 1000000,        \
      MICROSECOND)                                                              \