[heap] Only track allocation origins in slow path

Allocation origin tracking also implicitly disables inline allocations.

Bug: chromium:1316121, v8:12612
Change-Id: I7efecff3bb0cceef1071853e18a01effcc97243f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3593116Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80052}

src/flags/flag-definitions.h

@@ -1225,6 +1225,8 @@ DEFINE_BOOL(
     trace_allocations_origins, false,
     "Show statistics about the origins of allocations. "
     "Combine with --no-inline-new to track allocations from generated code")
+DEFINE_NEG_IMPLICATION(trace_allocations_origins, inline_new)
+
 DEFINE_BOOL(trace_pending_allocations, false,
             "trace calls to Heap::IsAllocationPending that return true")
 

src/heap/spaces-inl.h

@@ -202,10 +202,6 @@ AllocationResult SpaceWithLinearArea::AllocateFastUnaligned(
 
   MSAN_ALLOCATED_UNINITIALIZED_MEMORY(obj.address(), size_in_bytes);
 
-  if (FLAG_trace_allocations_origins) {
-    UpdateAllocationOrigins(origin);
-  }
-
   return AllocationResult::FromObject(obj);
 }
 
@@ -230,10 +226,6 @@ AllocationResult SpaceWithLinearArea::AllocateFastAligned(
 
   MSAN_ALLOCATED_UNINITIALIZED_MEMORY(obj.address(), size_in_bytes);
 
-  if (FLAG_trace_allocations_origins) {
-    UpdateAllocationOrigins(origin);
-  }
-
   return AllocationResult::FromObject(obj);
 }
 
@@ -269,6 +261,10 @@ AllocationResult SpaceWithLinearArea::AllocateRawUnaligned(
   AllocationResult result = AllocateFastUnaligned(size_in_bytes, origin);
   DCHECK(!result.IsFailure());
 
+  if (FLAG_trace_allocations_origins) {
+    UpdateAllocationOrigins(origin);
+  }
+
   InvokeAllocationObservers(result.ToAddress(), size_in_bytes, size_in_bytes,
                             size_in_bytes);
 
@@ -293,6 +289,10 @@ AllocationResult SpaceWithLinearArea::AllocateRawAligned(
   DCHECK_GE(max_aligned_size, aligned_size_in_bytes);
   DCHECK(!result.IsFailure());
 
+  if (FLAG_trace_allocations_origins) {
+    UpdateAllocationOrigins(origin);
+  }
+
   InvokeAllocationObservers(result.ToAddress(), size_in_bytes,
                             aligned_size_in_bytes, max_aligned_size);