Mark optimized functions with a * in the perf event symbol output.

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 6962 matching lines @@
     result ^= raw;
     result.set_pointer_offsets_length(pointer_offsets_length);
     result.set_is_optimized(false);
     result.set_is_alive(true);
     result.set_comments(Comments::New(0));
   }
   return result.raw();
 }
 
 
-RawCode* Code::FinalizeCode(const char* name, Assembler* assembler) {
+RawCode* Code::FinalizeCode(const char* name,
+                            Assembler* assembler,
+                            bool optimized) {
   ASSERT(assembler != NULL);
 
   // Allocate the Instructions object.
   Instructions& instrs =
       Instructions::ZoneHandle(Instructions::New(assembler->CodeSize()));
 
   // Copy the instructions into the instruction area and apply all fixups.
   // Embedded pointers are still in handles at this point.
   MemoryRegion region(reinterpret_cast<void*>(instrs.EntryPoint()),
                       instrs.size());
   assembler->FinalizeInstructions(region);
   Dart_FileWriterFunction perf_events_writer = Dart::perf_events_writer();
   if (perf_events_writer != NULL) {
-    const char* format = "%"Px" %"Px" %s\n";
+    const char* format = "%"Px" %"Px" %s%s\n";
     uword addr = instrs.EntryPoint();
     uword size = instrs.size();
-    intptr_t len = OS::SNPrint(NULL, 0, format, addr, size, name);
+    const char* marker = optimized ? "*" : "";
+    intptr_t len = OS::SNPrint(NULL, 0, format, addr, size, marker, name);
     char* buffer = Isolate::Current()->current_zone()->Alloc<char>(len + 1);
-    OS::SNPrint(buffer, len + 1, format, addr, size, name);
+    OS::SNPrint(buffer, len + 1, format, addr, size, marker, name);
     (*perf_events_writer)(buffer, len);
   }
   DebugInfo* pprof_symbol_generator = Dart::pprof_symbol_generator();
   if (pprof_symbol_generator != NULL) {
     ASSERT(strlen(name) != 0);
     pprof_symbol_generator->AddCode(instrs.EntryPoint(), instrs.size());
     pprof_symbol_generator->AddCodeRegion(name,
                                           instrs.EntryPoint(),
                                           instrs.size());
   }
@@ skipping 38 matching lines @@
     }
 
     // Hook up Code and Instruction objects.
     instrs.set_code(code.raw());
     code.set_instructions(instrs.raw());
   }
   return code.raw();
 }
 
 
-RawCode* Code::FinalizeCode(const Function& function, Assembler* assembler) {
+RawCode* Code::FinalizeCode(const Function& function,
+                            Assembler* assembler,
+                            bool optimized) {
   // Calling ToFullyQualifiedCString is very expensive, try to avoid it.
   if (FLAG_generate_gdb_symbols ||
       Dart::perf_events_writer() != NULL ||
       Dart::pprof_symbol_generator() != NULL) {
-    return FinalizeCode(function.ToFullyQualifiedCString(), assembler);
+    return FinalizeCode(function.ToFullyQualifiedCString(),
+                        assembler,
+                        optimized);
   } else {
     return FinalizeCode("", assembler);
   }
 }
 
 
 // Check if object matches find condition.
 bool Code::FindRawCodeVisitor::FindObject(RawObject* obj) {
   return RawInstructions::ContainsPC(obj, pc_);
 }
@@ skipping 5121 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart