Initial GetSample implementation.

src/log.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdarg.h>
 
 #include "src/v8.h"
 
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/cpu-profiler.h"
 #include "src/deoptimizer.h"
 #include "src/global-handles.h"
 #include "src/log.h"
 #include "src/log-utils.h"
 #include "src/macro-assembler.h"
 #include "src/runtime-profiler.h"
+#include "src/sampler.h"
 #include "src/serialize.h"
 #include "src/string-stream.h"
 #include "src/vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
-
 #define DECLARE_EVENT(ignore1, name) name,
 static const char* const kLogEventsNames[Logger::NUMBER_OF_LOG_EVENTS] = {
   LOG_EVENTS_AND_TAGS_LIST(DECLARE_EVENT)
 };
 #undef DECLARE_EVENT
 
 
 #define CALL_LISTENERS(Call)                    \
 for (int i = 0; i < listeners_.length(); ++i) { \
   listeners_[i]->Call;                          \
@@ skipping 1676 matching lines @@
   } else {
     msg.Append(",0,");
     msg.AppendAddress(sample->tos);
   }
   msg.Append(",%d", static_cast<int>(sample->state));
   if (overflow) {
     msg.Append(",overflow");
   }
   for (unsigned i = 0; i < sample->frames_count; ++i) {
     msg.Append(',');
-    msg.AppendAddress(sample->stack[i]);
+    msg.AppendAddress(static_cast<Address>(sample->stack[i]));
   }
   msg.Append('\n');
   msg.WriteToLogFile();
 }
 
 
 void Logger::StopProfiler() {
   if (!log_->IsEnabled()) return;
   if (profiler_ != NULL) {
     profiler_->pause();
@@ skipping 319 matching lines @@
   if (Log::InitLogAtStart()) {
     is_logging_ = true;
   }
 
   if (FLAG_prof) {
     profiler_ = new Profiler(isolate);
     is_logging_ = true;
     profiler_->Engage();
   }
 
+  // This one's for the new sampler API. (include/v8.h)
+  if (FLAG_new_sampler_api) {
+    Sampler::SetUpForNewSamplingAPI();
+  }
+
   if (FLAG_log_internal_timer_events || FLAG_prof) timer_.Start();
 
   return true;
 }
 
 
 void Logger::SetCodeEventHandler(uint32_t options,
                                  JitCodeEventHandler event_handler) {
   if (jit_logger_) {
       removeCodeEventListener(jit_logger_);
@@ skipping 53 matching lines @@
   if (jit_logger_) {
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 } }  // namespace v8::internal