src/share/vm/runtime/thread.hpp

rev 8910 : full patch for jfr

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 193,203 ****
      _external_suspend       = 0x20000000U, // thread is asked to self suspend
      _ext_suspended          = 0x40000000U, // thread has self-suspended
      _deopt_suspend          = 0x10000000U, // thread needs to self suspend for deopt
  
      _has_async_exception    = 0x00000001U, // there is a pending async exception
!     _critical_native_unlock = 0x00000002U  // Must call back to unlock JNI critical lock
    };
  
    // various suspension related flags - atomically updated
    // overloaded for async exception checking in check_special_condition_for_native_trans.
    volatile uint32_t _suspend_flags;
--- 193,204 ----
      _external_suspend       = 0x20000000U, // thread is asked to self suspend
      _ext_suspended          = 0x40000000U, // thread has self-suspended
      _deopt_suspend          = 0x10000000U, // thread needs to self suspend for deopt
  
      _has_async_exception    = 0x00000001U, // there is a pending async exception
!     _critical_native_unlock = 0x00000002U, // Must call back to unlock JNI critical lock
!     _trace_flag             = 0x00000004U  // call tracing backend
    };
  
    // various suspension related flags - atomically updated
    // overloaded for async exception checking in check_special_condition_for_native_trans.
    volatile uint32_t _suspend_flags;
*** 258,268 ****
                                                  // the Java heap
  
    // Thread-local buffer used by MetadataOnStackMark.
    MetadataOnStackBuffer* _metadata_on_stack_buffer;
  
!   TRACE_DATA _trace_data;                       // Thread-local data for tracing
  
    ThreadExt _ext;
  
    int   _vm_operation_started_count;            // VM_Operation support
    int   _vm_operation_completed_count;          // VM_Operation support
--- 259,269 ----
                                                  // the Java heap
  
    // Thread-local buffer used by MetadataOnStackMark.
    MetadataOnStackBuffer* _metadata_on_stack_buffer;
  
!   mutable TRACE_DATA _trace_data;                       // Thread-local data for tracing
  
    ThreadExt _ext;
  
    int   _vm_operation_started_count;            // VM_Operation support
    int   _vm_operation_completed_count;          // VM_Operation support
*** 381,390 ****
--- 382,399 ----
    }
    void clear_critical_native_unlock() {
      clear_suspend_flag(_critical_native_unlock);
    }
  
+   void set_trace_flag() {
+     set_suspend_flag(_trace_flag);
+   }
+ 
+   void clear_trace_flag() {
+     clear_suspend_flag(_trace_flag);
+   }
+ 
    // Support for Unhandled Oop detection
  #ifdef CHECK_UNHANDLED_OOPS
   private:
    UnhandledOops* _unhandled_oops;
   public:
*** 439,449 ****
    jlong allocated_bytes()               { return _allocated_bytes; }
    void set_allocated_bytes(jlong value) { _allocated_bytes = value; }
    void incr_allocated_bytes(jlong size) { _allocated_bytes += size; }
    inline jlong cooked_allocated_bytes();
  
!   TRACE_DATA* trace_data()              { return &_trace_data; }
  
    const ThreadExt& ext() const          { return _ext; }
    ThreadExt& ext()                      { return _ext; }
  
    // VM operation support
--- 448,460 ----
    jlong allocated_bytes()               { return _allocated_bytes; }
    void set_allocated_bytes(jlong value) { _allocated_bytes = value; }
    void incr_allocated_bytes(jlong size) { _allocated_bytes += size; }
    inline jlong cooked_allocated_bytes();
  
!   TRACE_DEFINE_THREAD_TRACE_DATA_OFFSET;
!   TRACE_DATA* trace_data() const             { return &_trace_data; }
!   bool is_trace_suspend()               { return (_suspend_flags & _trace_flag) != 0; }
  
    const ThreadExt& ext() const          { return _ext; }
    ThreadExt& ext()                      { return _ext; }
  
    // VM operation support