[heap] Split BACKGROUND_ARRAY_BUFFER_SWEEP into young and full version

Change-Id: I5a42e582bec48a0f10f4914295e0c9a267e37b57
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2565518Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71507}

src/heap/array-buffer-sweeper.cc

@@ -149,9 +149,12 @@ void ArrayBufferSweeper::RequestSweep(SweepingScope scope) {
       FLAG_concurrent_array_buffer_sweeping) {
     Prepare(scope);
 
-    auto task = MakeCancelableTask(heap_->isolate(), [this] {
-      TRACE_GC1(heap_->tracer(), GCTracer::Scope::BACKGROUND_ARRAY_BUFFER_SWEEP,
-                ThreadKind::kBackground);
+    auto task = MakeCancelableTask(heap_->isolate(), [this, scope] {
+      GCTracer::Scope::ScopeId scope_id =
+          scope == SweepingScope::kYoung
+              ? GCTracer::Scope::BACKGROUND_YOUNG_ARRAY_BUFFER_SWEEP
+              : GCTracer::Scope::BACKGROUND_FULL_ARRAY_BUFFER_SWEEP;
+      TRACE_GC1(heap_->tracer(), scope_id, ThreadKind::kBackground);
       base::MutexGuard guard(&sweeping_mutex_);
       job_->Sweep();
       job_finished_.NotifyAll();

src/heap/gc-tracer.h

@@ -80,7 +80,7 @@ class V8_EXPORT_PRIVATE GCTracer {
       FIRST_SCOPE = MC_INCREMENTAL,
       NUMBER_OF_INCREMENTAL_SCOPES =
           LAST_INCREMENTAL_SCOPE - FIRST_INCREMENTAL_SCOPE + 1,
-      FIRST_GENERAL_BACKGROUND_SCOPE = BACKGROUND_ARRAY_BUFFER_SWEEP,
+      FIRST_GENERAL_BACKGROUND_SCOPE = BACKGROUND_YOUNG_ARRAY_BUFFER_SWEEP,
       LAST_GENERAL_BACKGROUND_SCOPE = BACKGROUND_UNMAPPER,
       FIRST_MC_BACKGROUND_SCOPE = MC_BACKGROUND_EVACUATE_COPY,
       LAST_MC_BACKGROUND_SCOPE = MC_BACKGROUND_SWEEPING,

src/init/heap-symbols.h

@@ -507,7 +507,8 @@
   F(STOP_THE_WORLD)
 
 #define TRACER_BACKGROUND_SCOPES(F)               \
-  F(BACKGROUND_ARRAY_BUFFER_SWEEP)                \
+  F(BACKGROUND_YOUNG_ARRAY_BUFFER_SWEEP)          \
+  F(BACKGROUND_FULL_ARRAY_BUFFER_SWEEP)           \
   F(BACKGROUND_COLLECTION)                        \
   F(BACKGROUND_UNMAPPER)                          \
   F(MC_BACKGROUND_EVACUATE_COPY)                  \