Add CollectSample API function to CpuProfiler

src/profiler/cpu-profiler.cc

 // Copyright 2012 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 "src/profiler/cpu-profiler.h"
 
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/locked-queue-inl.h"
@@ skipping 31 matching lines @@
 
 
 void ProfilerEventsProcessor::AddDeoptStack(Isolate* isolate, Address from,
                                             int fp_to_sp_delta) {
   TickSampleEventRecord record(last_code_event_id_.Value());
   RegisterState regs;
   Address fp = isolate->c_entry_fp(isolate->thread_local_top());
   regs.sp = fp - fp_to_sp_delta;
   regs.fp = fp;
   regs.pc = from;
-  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame);
+  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame, false);
   ticks_from_vm_buffer_.Enqueue(record);
 }
 
-
-void ProfilerEventsProcessor::AddCurrentStack(Isolate* isolate) {
+void ProfilerEventsProcessor::AddCurrentStack(Isolate* isolate,
+                                              bool update_stats) {
   TickSampleEventRecord record(last_code_event_id_.Value());
   RegisterState regs;
   StackFrameIterator it(isolate);
   if (!it.done()) {
     StackFrame* frame = it.frame();
     regs.sp = frame->sp();
     regs.fp = frame->fp();
     regs.pc = frame->pc();
   }
-  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame);
+  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame, update_stats);
   ticks_from_vm_buffer_.Enqueue(record);
 }
 
 
 void ProfilerEventsProcessor::StopSynchronously() {
   if (!base::NoBarrier_AtomicExchange(&running_, 0)) return;
   Join();
 }
 
 
@@ skipping 344 matching lines @@
   DCHECK(!is_profiling_);
   sampling_interval_ = value;
 }
 
 
 void CpuProfiler::ResetProfiles() {
   delete profiles_;
   profiles_ = new CpuProfilesCollection(isolate()->heap());
 }
 
+void CpuProfiler::CollectSample() {
+  if (processor_ != NULL) {
+    processor_->AddCurrentStack(isolate_);
+  }
+}
 
 void CpuProfiler::StartProfiling(const char* title, bool record_samples) {
   if (profiles_->StartProfiling(title, record_samples)) {
     StartProcessorIfNotStarted();
   }
 }
 
 
 void CpuProfiler::StartProfiling(String* title, bool record_samples) {
   StartProfiling(profiles_->GetName(title), record_samples);
@@ skipping 79 matching lines @@
     Builtins::Name id = static_cast<Builtins::Name>(i);
     rec->start = builtins->builtin(id)->address();
     rec->builtin_id = id;
     processor_->Enqueue(evt_rec);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8