Heap profiler: publish API and add test.

src/v8.cc

 // Copyright 2006-2009 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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "bootstrapper.h"
 #include "debug.h"
 #include "serialize.h"
 #include "simulator.h"
 #include "stub-cache.h"
+#include "heap-profiler.h"
 #include "oprofile-agent.h"
 #include "log.h"
 
 namespace v8 {
 namespace internal {
 
 bool V8::is_running_ = false;
 bool V8::has_been_setup_ = false;
 bool V8::has_been_disposed_ = false;
 bool V8::has_fatal_error_ = false;
 
 bool V8::Initialize(Deserializer* des) {
   bool create_heap_objects = des == NULL;
   if (has_been_disposed_ || has_fatal_error_) return false;
   if (IsRunning()) return true;
 
   is_running_ = true;
   has_been_setup_ = true;
   has_fatal_error_ = false;
   has_been_disposed_ = false;
 #ifdef DEBUG
   // The initialization process does not handle memory exhaustion.
   DisallowAllocationFailure disallow_allocation_failure;
 #endif
 
   // Enable logging before setting up the heap
   Logger::Setup();
 
   CpuProfiler::Setup();
+  HeapProfiler::Setup();
 
   // Setup the platform OS support.
   OS::Setup();
 
   // Initialize other runtime facilities
 #if !V8_HOST_ARCH_ARM && V8_TARGET_ARCH_ARM
   ::assembler::arm::Simulator::Initialize();
 #endif
 
   { // NOLINT
@@ skipping 68 matching lines @@
   if (FLAG_preemption) {
     v8::Locker locker;
     v8::Locker::StopPreemption();
   }
 
   Builtins::TearDown();
   Bootstrapper::TearDown();
 
   Top::TearDown();
 
+  HeapProfiler::TearDown();
+
   CpuProfiler::TearDown();
 
   Heap::TearDown();
 
   Logger::TearDown();
 
   is_running_ = false;
   has_been_disposed_ = true;
 }
 
@@ skipping 53 matching lines @@
   // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
   const double binary_million = 1048576.0;
   r->double_value = binary_million;
   r->uint64_t_value |=  random_bits;
   r->double_value -= binary_million;
 
   return heap_number;
 }
 
 } }  // namespace v8::internal