[object-stats] Differentiate between regular and uncompiled SFI

Bug: v8:7266
Change-Id: I2193d762d0f59b061be79bb3bbd280520728185a
Reviewed-on: https://chromium-review.googlesource.com/888622Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50893}

src/heap/object-stats.cc

@@ -563,6 +563,11 @@ void ObjectStatsCollectorImpl::RecordVirtualScriptDetails(Script* script) {
 
 void ObjectStatsCollectorImpl::RecordVirtualSharedFunctionInfoDetails(
     SharedFunctionInfo* info) {
+  // Uncompiled SharedFunctionInfo gets its own category.
+  if (!info->is_compiled()) {
+    RecordSimpleVirtualObjectStats(
+        nullptr, info, ObjectStats::UNCOMPILED_SHARED_FUNCTION_INFO_TYPE);
+  }
   // SharedFunctonInfo::feedback_metadata() is a COW array.
   RecordSimpleVirtualObjectStats(info, info->scope_info(),
                                  ObjectStats::SCOPE_INFO_TYPE);

src/heap/object-stats.h

@@ -53,6 +53,7 @@
   V(SINGLE_CHARACTER_STRING_CACHE_TYPE)   \
   V(STRING_SPLIT_CACHE_TYPE)              \
   V(STRING_TABLE_TYPE)                    \
+  V(UNCOMPILED_SHARED_FUNCTION_INFO_TYPE) \
   V(WEAK_NEW_SPACE_OBJECT_TO_CODE_TYPE)
 
 namespace v8 {

tools/heap-stats/categories.js

@@ -146,6 +146,7 @@ const CATEGORIES = new Map([
       'SCRIPT_TYPE',
       'SHARED_FUNCTION_INFO_TYPE',
       'STORE_HANDLER_TYPE',
+      'UNCOMPILED_SHARED_FUNCTION_INFO_TYPE',
     ])
   ],
   ['unclassified', new Set()],