Initial Timeline Events

runtime/vm/heap.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/heap.h"
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/flags.h"
 #include "vm/isolate.h"
 #include "vm/lockers.h"
 #include "vm/object.h"
 #include "vm/object_set.h"
 #include "vm/os.h"
 #include "vm/pages.h"
 #include "vm/raw_object.h"
 #include "vm/scavenger.h"
 #include "vm/service.h"
 #include "vm/service_event.h"
 #include "vm/stack_frame.h"
 #include "vm/tags.h"
+#include "vm/timeline.h"
 #include "vm/verifier.h"
 #include "vm/virtual_memory.h"
 #include "vm/weak_table.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, disable_alloc_stubs_after_gc, false, "Stress testing flag.");
 DEFINE_FLAG(bool, gc_at_alloc, false, "GC at every allocation.");
 DEFINE_FLAG(int, new_gen_ext_limit, 64,
             "maximum total external size (MB) in new gen before triggering GC");
@@ skipping 232 matching lines @@
 
 
 void Heap::CollectGarbage(Space space,
                           ApiCallbacks api_callbacks,
                           GCReason reason) {
   TIMERSCOPE(isolate(), time_gc);
   bool invoke_api_callbacks = (api_callbacks == kInvokeApiCallbacks);
   switch (space) {
     case kNew: {
       VMTagScope tagScope(isolate(), VMTag::kGCNewSpaceTagId);
+      TimelineDurationScope tds(isolate()->GetGCStream(),
+                                "CollectNewGeneration");
       RecordBeforeGC(kNew, reason);
       UpdateClassHeapStatsBeforeGC(kNew);
       new_space_->Scavenge(invoke_api_callbacks);
       isolate()->class_table()->UpdatePromoted();
       UpdatePretenurePolicy();
       RecordAfterGC();
       PrintStats();
       if (old_space_->NeedsGarbageCollection()) {
         // Old collections should call the API callbacks.
         CollectGarbage(kOld, kInvokeApiCallbacks, kPromotion);
       }
       break;
     }
     case kOld:
     case kCode: {
       VMTagScope tagScope(isolate(), VMTag::kGCOldSpaceTagId);
+      TimelineDurationScope tds(isolate()->GetGCStream(),
+                                "CollectOldGeneration");
       RecordBeforeGC(kOld, reason);
       UpdateClassHeapStatsBeforeGC(kOld);
       old_space_->MarkSweep(invoke_api_callbacks);
       RecordAfterGC();
       PrintStats();
       break;
     }
     default:
       UNREACHABLE();
   }
@@ skipping 17 matching lines @@
     ASSERT(space == kNew);
     CollectGarbage(space, kInvokeApiCallbacks, kNewSpace);
   }
 }
 
 
 void Heap::CollectAllGarbage() {
   TIMERSCOPE(isolate(), time_gc);
   {
     VMTagScope tagScope(isolate(), VMTag::kGCNewSpaceTagId);
+    TimelineDurationScope tds(isolate()->GetGCStream(),
+                              "CollectNewGeneration");
     RecordBeforeGC(kNew, kFull);
     UpdateClassHeapStatsBeforeGC(kNew);
     new_space_->Scavenge(kInvokeApiCallbacks);
     isolate()->class_table()->UpdatePromoted();
     UpdatePretenurePolicy();
     RecordAfterGC();
     PrintStats();
   }
   {
     VMTagScope tagScope(isolate(), VMTag::kGCOldSpaceTagId);
+    TimelineDurationScope tds(isolate()->GetGCStream(),
+                              "CollectOldGeneration");
     RecordBeforeGC(kOld, kFull);
     UpdateClassHeapStatsBeforeGC(kOld);
     old_space_->MarkSweep(kInvokeApiCallbacks);
     RecordAfterGC();
     PrintStats();
   }
 }
 
 
 bool Heap::ShouldPretenure(intptr_t class_id) const {
@@ skipping 354 matching lines @@
     heap->DisableGrowthControl();
 }
 
 
 NoHeapGrowthControlScope::~NoHeapGrowthControlScope() {
     Heap* heap = reinterpret_cast<Isolate*>(isolate())->heap();
     heap->SetGrowthControlState(current_growth_controller_state_);
 }
 
 }  // namespace dart