src/share/vm/runtime/synchronizer.cpp

rev 8910 : full patch for jfr

*** 1,7 ****
  /*
!  * Copyright (c) 1998, 2014, 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) 1998, 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.
*** 1191,1207 ****
--- 1191,1222 ----
  
  
  // Note that we could encounter some performance loss through false-sharing as
  // multiple locks occupy the same $ line.  Padding might be appropriate.
  
+ static void post_monitor_inflate_event(EventJavaMonitorInflate& event,
+                                        const oop obj,
+                                        //const ObjectSynchronizer::InflateCause cause) {
+                                        // unsupport cause
+                                        const u1 cause) {
+ #if INCLUDE_TRACE
+   assert(event.should_commit(), "check outside");
+   event.set_monitorClass(obj->klass());
+   event.set_address((TYPE_ADDRESS)(uintptr_t)(void*)obj);
+   event.set_cause((u1)cause);
+   event.commit();
+ #endif
+ }
  
  ObjectMonitor * ATTR ObjectSynchronizer::inflate (Thread * Self, oop object) {
    // Inflate mutates the heap ...
    // Relaxing assertion for bug 6320749.
    assert (Universe::verify_in_progress() ||
            !SafepointSynchronize::is_at_safepoint(), "invariant") ;
  
+   EventJavaMonitorInflate event;
+ 
    for (;;) {
        const markOop mark = object->mark() ;
        assert (!mark->has_bias_pattern(), "invariant") ;
  
        // The mark can be in one of the following states:
*** 1328,1337 ****
--- 1343,1355 ----
                tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
                  (void *) object, (intptr_t) object->mark(),
                  object->klass()->external_name());
              }
            }
+           if (event.should_commit()) {
+             post_monitor_inflate_event(event, object, (u1)0);
+           }
            return m ;
        }
  
        // CASE: neutral
        // TODO-FIXME: for entry we currently inflate and then try to CAS _owner.
*** 1378,1387 ****
--- 1396,1408 ----
            tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
              (void *) object, (intptr_t) object->mark(),
              object->klass()->external_name());
          }
        }
+       if (event.should_commit()) {
+         post_monitor_inflate_event(event, object, (u1)0);
+       }
        return m ;
    }
  }
  
  // Note that we could encounter some performance loss through false-sharing as