Linux perf integration with the new support for JIT.

src/log-utils.h

 // Copyright 2006-2009 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.
 
 #ifndef V8_LOG_UTILS_H_
 #define V8_LOG_UTILS_H_
 
 #include <stdio.h>
 
 #include <cstdarg>
@@ skipping 12 matching lines @@
  public:
   // Performs process-wide initialization.
   void Initialize(const char* log_file_name);
 
   // Disables logging, but preserves acquired resources.
   void stop() { is_stopped_ = true; }
 
   static bool InitLogAtStart() {
     return FLAG_log || FLAG_log_api || FLAG_log_code || FLAG_log_gc ||
            FLAG_log_handles || FLAG_log_suspect || FLAG_log_regexp ||
-           FLAG_ll_prof || FLAG_perf_basic_prof ||
+           FLAG_ll_prof || FLAG_perf_basic_prof || FLAG_perf_prof ||
            FLAG_log_internal_timer_events || FLAG_prof_cpp;
   }
 
   // Frees all resources acquired in Initialize and Open... functions.
   // When a temporary file is used for the log, returns its stream descriptor,
   // leaving the file open.
   FILE* Close();
 
   // Returns whether logging is enabled.
   bool IsEnabled() {
@@ skipping 91 matching lines @@
   Logger* logger_;
 
   friend class Logger;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_LOG_UTILS_H_