[Tracing] Embed V8 runtime call stats into tracing.

src/ic/ic.cc

 // 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.
 
 #include "src/ic/ic.h"
 
 #include "src/accessors.h"
 #include "src/api-arguments-inl.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 2257 matching lines @@
 #undef TRACE_IC
 
 
 // ----------------------------------------------------------------------------
 // Static IC stub generators.
 //
 
 // Used from ic-<arch>.cc.
 RUNTIME_FUNCTION(Runtime_CallIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   Handle<Object> function = args.at<Object>(0);
   Handle<TypeFeedbackVector> vector = args.at<TypeFeedbackVector>(1);
   Handle<Smi> slot = args.at<Smi>(2);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   CallICNexus nexus(vector, vector_slot);
   CallIC ic(isolate, &nexus);
   ic.HandleMiss(function);
   return *function;
 }
 
 
 // Used from ic-<arch>.cc.
 RUNTIME_FUNCTION(Runtime_LoadIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   Handle<Object> receiver = args.at<Object>(0);
 
   DCHECK_EQ(4, args.length());
   Handle<Smi> slot = args.at<Smi>(2);
   Handle<TypeFeedbackVector> vector = args.at<TypeFeedbackVector>(3);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   // A monomorphic or polymorphic KeyedLoadIC with a string key can call the
   // LoadIC miss handler if the handler misses. Since the vector Nexus is
   // set up outside the IC, handle that here.
@@ skipping 43 matching lines @@
   ic.UpdateState(global, name);
 
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(name));
   return *result;
 }
 
 // Used from ic-<arch>.cc
 RUNTIME_FUNCTION(Runtime_KeyedLoadIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   Handle<Object> receiver = args.at<Object>(0);
   Handle<Object> key = args.at<Object>(1);
 
   DCHECK(args.length() == 4);
   Handle<Smi> slot = args.at<Smi>(2);
   Handle<TypeFeedbackVector> vector = args.at<TypeFeedbackVector>(3);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   KeyedLoadICNexus nexus(vector, vector_slot);
   KeyedLoadIC ic(IC::NO_EXTRA_FRAME, isolate, &nexus);
   ic.UpdateState(receiver, key);
   RETURN_RESULT_OR_FAILURE(isolate, ic.Load(receiver, key));
 }
 
 
 RUNTIME_FUNCTION(Runtime_KeyedLoadIC_MissFromStubFailure) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(4, args.length());
   typedef LoadWithVectorDescriptor Descriptor;
   Handle<Object> receiver = args.at<Object>(Descriptor::kReceiver);
   Handle<Object> key = args.at<Object>(Descriptor::kName);
   Handle<Smi> slot = args.at<Smi>(Descriptor::kSlot);
   Handle<TypeFeedbackVector> vector =
       args.at<TypeFeedbackVector>(Descriptor::kVector);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   KeyedLoadICNexus nexus(vector, vector_slot);
   KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
   ic.UpdateState(receiver, key);
   RETURN_RESULT_OR_FAILURE(isolate, ic.Load(receiver, key));
 }
 
 
 // Used from ic-<arch>.cc.
 RUNTIME_FUNCTION(Runtime_StoreIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   Handle<Object> receiver = args.at<Object>(0);
   Handle<Name> key = args.at<Name>(1);
   Handle<Object> value = args.at<Object>(2);
 
   DCHECK(args.length() == 5 || args.length() == 6);
   Handle<Smi> slot = args.at<Smi>(3);
   Handle<TypeFeedbackVector> vector = args.at<TypeFeedbackVector>(4);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   if (vector->GetKind(vector_slot) == FeedbackVectorSlotKind::STORE_IC) {
     StoreICNexus nexus(vector, vector_slot);
     StoreIC ic(IC::NO_EXTRA_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
   } else {
     DCHECK_EQ(FeedbackVectorSlotKind::KEYED_STORE_IC,
               vector->GetKind(vector_slot));
     KeyedStoreICNexus nexus(vector, vector_slot);
     KeyedStoreIC ic(IC::NO_EXTRA_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
   }
 }
 
 
 RUNTIME_FUNCTION(Runtime_StoreIC_MissFromStubFailure) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(5, args.length());
   typedef StoreWithVectorDescriptor Descriptor;
   Handle<Object> receiver = args.at<Object>(Descriptor::kReceiver);
   Handle<Name> key = args.at<Name>(Descriptor::kName);
   Handle<Object> value = args.at<Object>(Descriptor::kValue);
   Handle<Smi> slot = args.at<Smi>(Descriptor::kSlot);
   Handle<TypeFeedbackVector> vector =
       args.at<TypeFeedbackVector>(Descriptor::kVector);
 
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   if (vector->GetKind(vector_slot) == FeedbackVectorSlotKind::STORE_IC) {
     StoreICNexus nexus(vector, vector_slot);
     StoreIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
   } else {
     DCHECK_EQ(FeedbackVectorSlotKind::KEYED_STORE_IC,
               vector->GetKind(vector_slot));
     KeyedStoreICNexus nexus(vector, vector_slot);
     KeyedStoreIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
   }
 }
 
 RUNTIME_FUNCTION(Runtime_TransitionStoreIC_MissFromStubFailure) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   Handle<Object> receiver = args.at<Object>(0);
   Handle<Name> key = args.at<Name>(1);
   Handle<Object> value = args.at<Object>(2);
 
   int length = args.length();
   DCHECK(length == 5 || length == 6);
   // TODO(ishell): use VectorStoreTransitionDescriptor indices here and update
   // this comment:
   //
@@ skipping 25 matching lines @@
     KeyedStoreICNexus nexus(vector, vector_slot);
     KeyedStoreIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
   }
 }
 
 // Used from ic-<arch>.cc.
 RUNTIME_FUNCTION(Runtime_KeyedStoreIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(5, args.length());
   Handle<Object> receiver = args.at<Object>(0);
   Handle<Object> key = args.at<Object>(1);
   Handle<Object> value = args.at<Object>(2);
   Handle<Smi> slot = args.at<Smi>(3);
   Handle<TypeFeedbackVector> vector = args.at<TypeFeedbackVector>(4);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   KeyedStoreICNexus nexus(vector, vector_slot);
   KeyedStoreIC ic(IC::NO_EXTRA_FRAME, isolate, &nexus);
   ic.UpdateState(receiver, key);
   RETURN_RESULT_OR_FAILURE(isolate, ic.Store(receiver, key, value));
 }
 
 
 RUNTIME_FUNCTION(Runtime_KeyedStoreIC_MissFromStubFailure) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(5, args.length());
   typedef StoreWithVectorDescriptor Descriptor;
   Handle<Object> receiver = args.at<Object>(Descriptor::kReceiver);
   Handle<Object> key = args.at<Object>(Descriptor::kName);
   Handle<Object> value = args.at<Object>(Descriptor::kValue);
   Handle<Smi> slot = args.at<Smi>(Descriptor::kSlot);
   Handle<TypeFeedbackVector> vector =
       args.at<TypeFeedbackVector>(Descriptor::kVector);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
@@ skipping 15 matching lines @@
   KeyedStoreIC ic(IC::NO_EXTRA_FRAME, isolate, &nexus);
   language_mode = ic.language_mode();
   RETURN_RESULT_OR_FAILURE(
       isolate,
       Runtime::SetObjectProperty(isolate, object, key, value, language_mode));
 }
 
 
 RUNTIME_FUNCTION(Runtime_ElementsTransitionAndStoreIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   // Length == 5 or 6, depending on whether the vector slot
   // is passed in a virtual register or not.
   DCHECK(args.length() == 5 || args.length() == 6);
   Handle<Object> object = args.at<Object>(0);
   Handle<Object> key = args.at<Object>(1);
   Handle<Object> value = args.at<Object>(2);
   Handle<Map> map = args.at<Map>(3);
   LanguageMode language_mode;
   KeyedStoreICNexus nexus(isolate);
@@ skipping 121 matching lines @@
   } else if (old_state.UseInlinedSmiCode() && !state.UseInlinedSmiCode()) {
     PatchInlinedSmiCode(isolate(), address(), DISABLE_INLINED_SMI_CHECK);
   }
 
   return result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_BinaryOpIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   typedef BinaryOpDescriptor Descriptor;
   Handle<Object> left = args.at<Object>(Descriptor::kLeft);
   Handle<Object> right = args.at<Object>(Descriptor::kRight);
   BinaryOpIC ic(isolate);
   RETURN_RESULT_OR_FAILURE(
       isolate, ic.Transition(Handle<AllocationSite>::null(), left, right));
 }
 
 
 RUNTIME_FUNCTION(Runtime_BinaryOpIC_MissWithAllocationSite) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(3, args.length());
   typedef BinaryOpWithAllocationSiteDescriptor Descriptor;
   Handle<AllocationSite> allocation_site =
       args.at<AllocationSite>(Descriptor::kAllocationSite);
   Handle<Object> left = args.at<Object>(Descriptor::kLeft);
   Handle<Object> right = args.at<Object>(Descriptor::kRight);
   BinaryOpIC ic(isolate);
   RETURN_RESULT_OR_FAILURE(isolate,
                            ic.Transition(allocation_site, left, right));
@@ skipping 52 matching lines @@
     PatchInlinedSmiCode(isolate(), address(), ENABLE_INLINED_SMI_CHECK);
   }
 
   return *new_target;
 }
 
 
 // Used from CompareICStub::GenerateMiss in code-stubs-<arch>.cc.
 RUNTIME_FUNCTION(Runtime_CompareIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   CompareIC ic(isolate, static_cast<Token::Value>(args.smi_at(2)));
   return ic.UpdateCaches(args.at<Object>(0), args.at<Object>(1));
 }
 
 
 RUNTIME_FUNCTION(Runtime_Unreachable) {
   UNREACHABLE();
   CHECK(false);
   return isolate->heap()->undefined_value();
 }
 
 
 Handle<Object> ToBooleanIC::ToBoolean(Handle<Object> object) {
   ToBooleanICStub stub(isolate(), extra_ic_state());
   bool to_boolean_value = stub.UpdateStatus(object);
   Handle<Code> code = stub.GetCode();
   set_target(*code);
   return isolate()->factory()->ToBoolean(to_boolean_value);
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToBooleanIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   DCHECK(args.length() == 1);
   HandleScope scope(isolate);
   Handle<Object> object = args.at<Object>(0);
   ToBooleanIC ic(isolate);
   return *ic.ToBoolean(object);
 }
 
 
 RUNTIME_FUNCTION(Runtime_StoreCallbackProperty) {
   Handle<JSObject> receiver = args.at<JSObject>(0);
@@ skipping 190 matching lines @@
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                        Object::GetProperty(&it));
   }
 
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_LoadIC_MissFromStubFailure) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8"), "V8.IcMiss");
   HandleScope scope(isolate);
   DCHECK_EQ(4, args.length());
   typedef LoadWithVectorDescriptor Descriptor;
   Handle<Object> receiver = args.at<Object>(Descriptor::kReceiver);
   Handle<Name> key = args.at<Name>(Descriptor::kName);
   Handle<Smi> slot = args.at<Smi>(Descriptor::kSlot);
   Handle<TypeFeedbackVector> vector =
       args.at<TypeFeedbackVector>(Descriptor::kVector);
   FeedbackVectorSlot vector_slot = vector->ToSlot(slot->value());
   // A monomorphic or polymorphic KeyedLoadIC with a string key can call the
   // LoadIC miss handler if the handler misses. Since the vector Nexus is
   // set up outside the IC, handle that here.
   if (vector->GetKind(vector_slot) == FeedbackVectorSlotKind::LOAD_IC) {
     LoadICNexus nexus(vector, vector_slot);
     LoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Load(receiver, key));
   } else {
     DCHECK_EQ(FeedbackVectorSlotKind::KEYED_LOAD_IC,
               vector->GetKind(vector_slot));
     KeyedLoadICNexus nexus(vector, vector_slot);
     KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     RETURN_RESULT_OR_FAILURE(isolate, ic.Load(receiver, key));
   }
 }
 }  // namespace internal
 }  // namespace v8