Remove the ability to compile without logging and profiling

src/runtime-profiler.cc

 // Copyright 2011 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 43 matching lines @@
 static const int kSamplerThresholdDelta = 1;
 
 static const int kSamplerThresholdSizeFactorInit = 3;
 
 static const int kSizeLimit = 1500;
 
 
 Atomic32 RuntimeProfiler::state_ = 0;
 // TODO(isolates): Create the semaphore lazily and clean it up when no
 // longer required.
-#ifdef ENABLE_LOGGING_AND_PROFILING
 Semaphore* RuntimeProfiler::semaphore_ = OS::CreateSemaphore(0);
-#endif
 
 #ifdef DEBUG
 bool RuntimeProfiler::has_been_globally_setup_ = false;
 #endif
 bool RuntimeProfiler::enabled_ = false;
 
 
 RuntimeProfiler::RuntimeProfiler(Isolate* isolate)
     : isolate_(isolate),
       sampler_threshold_(kSamplerThresholdInit),
@@ skipping 161 matching lines @@
   // Add the collected functions as samples. It's important not to do
   // this as part of collecting them because this will interfere with
   // the sample lookup in case of recursive functions.
   for (int i = 0; i < sample_count; i++) {
     AddSample(samples[i], kSamplerFrameWeight[i]);
   }
 }
 
 
 void RuntimeProfiler::NotifyTick() {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   isolate_->stack_guard()->RequestRuntimeProfilerTick();
-#endif
 }
 
 
 void RuntimeProfiler::Setup() {
   ASSERT(has_been_globally_setup_);
   ClearSampleBuffer();
   // If the ticker hasn't already started, make sure to do so to get
   // the ticks for the runtime profiler.
   if (IsEnabled()) isolate_->logger()->EnsureTickerStarted();
 }
@@ skipping 27 matching lines @@
         sampler_window_[i] = map_word.ToForwardingAddress();
       } else {
         sampler_window_[i] = NULL;
       }
     }
   }
 }
 
 
 void RuntimeProfiler::HandleWakeUp(Isolate* isolate) {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   // The profiler thread must still be waiting.
   ASSERT(NoBarrier_Load(&state_) >= 0);
   // In IsolateEnteredJS we have already incremented the counter and
   // undid the decrement done by the profiler thread. Increment again
   // to get the right count of active isolates.
   NoBarrier_AtomicIncrement(&state_, 1);
   semaphore_->Signal();
-#endif
 }
 
 
 bool RuntimeProfiler::IsSomeIsolateInJS() {
   return NoBarrier_Load(&state_) > 0;
 }
 
 
 bool RuntimeProfiler::WaitForSomeIsolateToEnterJS() {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   Atomic32 old_state = NoBarrier_CompareAndSwap(&state_, 0, -1);
   ASSERT(old_state >= -1);
   if (old_state != 0) return false;
   semaphore_->Wait();
-#endif
   return true;
 }
 
 
 void RuntimeProfiler::StopRuntimeProfilerThreadBeforeShutdown(Thread* thread) {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   // Do a fake increment. If the profiler is waiting on the semaphore,
   // the returned state is 0, which can be left as an initial state in
   // case profiling is restarted later. If the profiler is not
   // waiting, the increment will prevent it from waiting, but has to
   // be undone after the profiler is stopped.
   Atomic32 new_state = NoBarrier_AtomicIncrement(&state_, 1);
   ASSERT(new_state >= 0);
   if (new_state == 0) {
     // The profiler thread is waiting. Wake it up. It must check for
     // stop conditions before attempting to wait again.
     semaphore_->Signal();
   }
   thread->Join();
   // The profiler thread is now stopped. Undo the increment in case it
   // was not waiting.
   if (new_state != 0) {
     NoBarrier_AtomicIncrement(&state_, -1);
   }
-#endif
 }
 
 
 void RuntimeProfiler::RemoveDeadSamples() {
   for (int i = 0; i < kSamplerWindowSize; i++) {
     Object* function = sampler_window_[i];
     if (function != NULL && !HeapObject::cast(function)->IsMarked()) {
       sampler_window_[i] = NULL;
     }
   }
 }
 
 
 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) {
   for (int i = 0; i < kSamplerWindowSize; i++) {
     visitor->VisitPointer(&sampler_window_[i]);
   }
 }
 
 
 bool RuntimeProfilerRateLimiter::SuspendIfNecessary() {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   if (!RuntimeProfiler::IsSomeIsolateInJS()) {
     return RuntimeProfiler::WaitForSomeIsolateToEnterJS();
   }
-#endif
   return false;
 }
 
 
 } }  // namespace v8::internal