Propagate Deopt reason to cpu-profiler

src/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/v8.h"
 
 #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"
 #include "src/vm-state-inl.h"
 
 #include "include/v8-profiler.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 11 matching lines @@
       last_code_event_id_(0),
       last_processed_code_event_id_(0) {}
 
 
 void ProfilerEventsProcessor::Enqueue(const CodeEventsContainer& event) {
   event.generic.order = ++last_code_event_id_;
   events_buffer_.Enqueue(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;
   StackFrameIterator it(isolate);
   if (!it.done()) {
     StackFrame* frame = it.frame();
     regs.sp = frame->sp();
     regs.fp = frame->fp();
     regs.pc = frame->pc();
   }
@@ skipping 271 matching lines @@
 
 void CpuProfiler::CodeDisableOptEvent(Code* code, SharedFunctionInfo* shared) {
   CodeEventsContainer evt_rec(CodeEventRecord::CODE_DISABLE_OPT);
   CodeDisableOptEventRecord* rec = &evt_rec.CodeDisableOptEventRecord_;
   rec->start = code->address();
   rec->bailout_reason = GetBailoutReason(shared->disable_optimization_reason());
   processor_->Enqueue(evt_rec);
 }
 
 
+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) {
 }
 
 
 void CpuProfiler::SharedFunctionInfoMoveEvent(Address from, Address to) {
   CodeEventsContainer evt_rec(CodeEventRecord::SHARED_FUNC_MOVE);
   SharedFunctionInfoMoveEventRecord* rec =
       &evt_rec.SharedFunctionInfoMoveEventRecord_;
   rec->from = from;
   rec->to = to;
@@ skipping 177 matching lines @@
     ReportBuiltinEventRecord* rec = &evt_rec.ReportBuiltinEventRecord_;
     Builtins::Name id = static_cast<Builtins::Name>(i);
     rec->start = builtins->builtin(id)->address();
     rec->builtin_id = id;
     processor_->Enqueue(evt_rec);
   }
 }
 
 
 } }  // namespace v8::internal