Propagate Deopt reason to cpu-profiler

src/cpu-profiler.cc

Index: src/cpu-profiler.cc
diff --git a/src/cpu-profiler.cc b/src/cpu-profiler.cc
index 456770b4c67c122e0db54063431ee7e22dd4eee9..c276bb6d6079dcd065340b16a817681dc930f713 100644
--- a/src/cpu-profiler.cc
+++ b/src/cpu-profiler.cc
@@ -7,6 +7,7 @@
 #include "src/cpu-profiler-inl.h"
 
 #include "src/compiler.h"
+#include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/hashmap.h"
 #include "src/log-inl.h"
@@ -38,6 +39,19 @@ void ProfilerEventsProcessor::Enqueue(const CodeEventsContainer& event) {
 }
 
 
+void ProfilerEventsProcessor::AddDeoptStack(Isolate* isolate, Address from,
+                                            int fp_to_sp_delta) {
+  TickSampleEventRecord record(last_code_event_id_);
+  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);
+  ticks_from_vm_buffer_.Enqueue(record);
+}
+
+
 void ProfilerEventsProcessor::AddCurrentStack(Isolate* isolate) {
   TickSampleEventRecord record(last_code_event_id_);
   RegisterState regs;
@@ -329,6 +343,19 @@ void CpuProfiler::CodeDisableOptEvent(Code* code, SharedFunctionInfo* shared) {
 }
 
 
+void CpuProfiler::CodeDeoptEvent(Code* code, int bailout_id, Address pc,
+                                 int fp_to_sp_delta) {
+  CodeEventsContainer evt_rec(CodeEventRecord::CODE_DEOPT);
+  CodeDeoptEventRecord* rec = &evt_rec.CodeDeoptEventRecord_;
+  Deoptimizer::DeoptInfo info = Deoptimizer::GetDeoptInfo(code, bailout_id);
+  rec->start = code->address();
+  rec->deopt_reason = Deoptimizer::GetDeoptReason(info.deopt_reason);
+  rec->raw_position = info.raw_position;
+  processor_->Enqueue(evt_rec);
+  processor_->AddDeoptStack(isolate_, pc, fp_to_sp_delta);
+}
+
+
 void CpuProfiler::CodeDeleteEvent(Address from) {
 }