Make V8 compilable with profiling support turned off.

BUG=990

Review URL: http://codereview.chromium.org/5890003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6044 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/log.cc

@@ -709,6 +709,7 @@ void Logger::SetterCallbackEvent(String* name, Address entry_point) {
 }
 
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 static const char* ComputeMarker(Code* code) {
   switch (code->kind()) {
     case Code::FUNCTION: return code->optimizable() ? "~" : "";
@@ -716,6 +717,7 @@ static const char* ComputeMarker(Code* code) {
     default: return "";
   }
 }
+#endif
 
 
 void Logger::CodeCreateEvent(LogEventsAndTags tag,
@@ -1577,13 +1579,17 @@ bool Logger::Setup() {
 
 
 void Logger::EnsureTickerStarted() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   ASSERT(ticker_ != NULL);
   if (!ticker_->IsActive()) ticker_->Start();
+#endif
 }
 
 
 void Logger::EnsureTickerStopped() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   if (ticker_ != NULL && ticker_->IsActive()) ticker_->Stop();
+#endif
 }
 
 

src/runtime-profiler.cc

@@ -350,6 +350,7 @@ void RuntimeProfiler::OptimizeSoon(JSFunction* function) {
 }
 
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 static void UpdateStateRatio(SamplerState current_state) {
   static const int kStateWindowSize = 128;
   static SamplerState state_window[kStateWindowSize];
@@ -366,15 +367,18 @@ static void UpdateStateRatio(SamplerState current_state) {
   NoBarrier_Store(&js_ratio, state_counts[IN_JS_STATE] * 100 /
                   kStateWindowSize);
 }
+#endif
 
 
 void RuntimeProfiler::NotifyTick() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   // Record state sample.
   SamplerState state = Top::IsInJSState()
       ? IN_JS_STATE
       : IN_NON_JS_STATE;
   UpdateStateRatio(state);
   StackGuard::RequestRuntimeProfilerTick();
+#endif
 }
 
 
@@ -428,6 +432,7 @@ int RuntimeProfiler::SamplerWindowSize() {
 
 
 bool RuntimeProfilerRateLimiter::SuspendIfNecessary() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   static const int kNonJSTicksThreshold = 100;
   // We suspend the runtime profiler thread when not running
   // JavaScript. If the CPU profiler is active we must not do this
@@ -445,6 +450,7 @@ bool RuntimeProfilerRateLimiter::SuspendIfNecessary() {
       }
     }
   }
+#endif
   return false;
 }
 

src/top.cc

@@ -40,7 +40,9 @@
 namespace v8 {
 namespace internal {
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 Semaphore* Top::runtime_profiler_semaphore_ = NULL;
+#endif
 ThreadLocalTop Top::thread_local_;
 Mutex* Top::break_access_ = OS::CreateMutex();
 
@@ -277,9 +279,11 @@ static bool initialized = false;
 void Top::Initialize() {
   CHECK(!initialized);
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
   ASSERT(runtime_profiler_semaphore_ == NULL);
   runtime_profiler_semaphore_ = OS::CreateSemaphore(0);
-
+#endif
+  
   InitializeThreadLocal();
 
   // Only preallocate on the first initialization.
@@ -297,9 +301,11 @@ void Top::Initialize() {
 
 void Top::TearDown() {
   if (initialized) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
     delete runtime_profiler_semaphore_;
     runtime_profiler_semaphore_ = NULL;
-
+#endif
+    
     // Remove the external reference to the preallocated stack memory.
     if (preallocated_message_space != NULL) {
       delete preallocated_message_space;

tools/test.py

@@ -1181,6 +1181,8 @@ def BuildOptions():
   result.add_option("--crankshaft",
                     help="Run with the --crankshaft flag",
                     default=False, action="store_true")
+  result.add_option("--noprof", help="Disable profiling support",
+                    default=False)
   return result
 
 
@@ -1220,6 +1222,9 @@ def ProcessOptions(options):
       options.special_command += " --crankshaft"
     else:
       options.special_command = "@--crankshaft"
+  if options.noprof:
+    options.scons_flags.append("prof=off")
+    options.scons_flags.append("profilingsupport=off")
   return True