Reland of "[heap] Tracer: Handle incremental marking scopes"

test/cctest/heap/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6188 matching lines @@
   size_t start = heap->OldGenerationAllocationCounter();
   for (int i = 0; i < 20; i++) {
     AllocateInSpace(isolate, kSize, OLD_SPACE);
     size_t counter = heap->OldGenerationAllocationCounter();
     CHECK_LE(kSize, counter - start);
     start = counter;
   }
 }
 
 
-TEST(NewSpaceAllocationThroughput) {
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-  GCTracer* tracer = heap->tracer();
-  tracer->ResetForTesting();
-  int time1 = 100;
-  size_t counter1 = 1000;
-  tracer->SampleAllocation(time1, counter1, 0);
-  int time2 = 200;
-  size_t counter2 = 2000;
-  tracer->SampleAllocation(time2, counter2, 0);
-  size_t throughput =
-      tracer->NewSpaceAllocationThroughputInBytesPerMillisecond();
-  CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
-  int time3 = 1000;
-  size_t counter3 = 30000;
-  tracer->SampleAllocation(time3, counter3, 0);
-  throughput = tracer->NewSpaceAllocationThroughputInBytesPerMillisecond();
-  CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
-}
-
-
-TEST(NewSpaceAllocationThroughput2) {
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-  GCTracer* tracer = heap->tracer();
-  tracer->ResetForTesting();
-  int time1 = 100;
-  size_t counter1 = 1000;
-  tracer->SampleAllocation(time1, counter1, 0);
-  int time2 = 200;
-  size_t counter2 = 2000;
-  tracer->SampleAllocation(time2, counter2, 0);
-  size_t throughput =
-      tracer->NewSpaceAllocationThroughputInBytesPerMillisecond(100);
-  CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
-  int time3 = 1000;
-  size_t counter3 = 30000;
-  tracer->SampleAllocation(time3, counter3, 0);
-  throughput = tracer->NewSpaceAllocationThroughputInBytesPerMillisecond(100);
-  CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
-}
-
-
 static void CheckLeak(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = CcTest::i_isolate();
   Object* message =
       *reinterpret_cast<Object**>(isolate->pending_message_obj_address());
   CHECK(message->IsTheHole(isolate));
 }
 
 
 TEST(MessageObjectLeak) {
   CcTest::InitializeVM();
@@ skipping 92 matching lines @@
       "var g1 = f();"
       "var g2 = f();"
       "check(g1, g2);"
       "g1();"
       "g2();"
       "remove(g1);"
       "g2();"
       "check(g1, g2);");
 }
 
-TEST(OldGenerationAllocationThroughput) {
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-  GCTracer* tracer = heap->tracer();
-  tracer->ResetForTesting();
-  int time1 = 100;
-  size_t counter1 = 1000;
-  tracer->SampleAllocation(time1, 0, counter1);
-  int time2 = 200;
-  size_t counter2 = 2000;
-  tracer->SampleAllocation(time2, 0, counter2);
-  size_t throughput = static_cast<size_t>(
-      tracer->OldGenerationAllocationThroughputInBytesPerMillisecond(100));
-  CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
-  int time3 = 1000;
-  size_t counter3 = 30000;
-  tracer->SampleAllocation(time3, 0, counter3);
-  throughput = static_cast<size_t>(
-      tracer->OldGenerationAllocationThroughputInBytesPerMillisecond(100));
-  CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
-}
-
-
-TEST(AllocationThroughput) {
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-  GCTracer* tracer = heap->tracer();
-  tracer->ResetForTesting();
-  int time1 = 100;
-  size_t counter1 = 1000;
-  tracer->SampleAllocation(time1, counter1, counter1);
-  int time2 = 200;
-  size_t counter2 = 2000;
-  tracer->SampleAllocation(time2, counter2, counter2);
-  size_t throughput = static_cast<size_t>(
-      tracer->AllocationThroughputInBytesPerMillisecond(100));
-  CHECK_EQ(2 * (counter2 - counter1) / (time2 - time1), throughput);
-  int time3 = 1000;
-  size_t counter3 = 30000;
-  tracer->SampleAllocation(time3, counter3, counter3);
-  throughput = tracer->AllocationThroughputInBytesPerMillisecond(100);
-  CHECK_EQ(2 * (counter3 - counter1) / (time3 - time1), throughput);
-}
-
-
 TEST(ContextMeasure) {
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
   Isolate* isolate = CcTest::i_isolate();
   LocalContext context;
 
   int size_upper_limit = 0;
   int count_upper_limit = 0;
   HeapIterator it(CcTest::heap());
   for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
@@ skipping 748 matching lines @@
       chunk, chunk->area_end() - kPointerSize, chunk->area_end());
   slots[chunk->area_end() - kPointerSize] = false;
   RememberedSet<OLD_TO_NEW>::Iterate(chunk, [&slots](Address addr) {
     CHECK(slots[addr]);
     return KEEP_SLOT;
   });
 }
 
 }  // namespace internal
 }  // namespace v8