1 /*
   2  * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "jfr/leakprofiler/leakProfiler.hpp"
  27 #include "jfr/leakprofiler/utilities/objectSampleAssistance.hpp"
  28 #include "jfr/recorder/access/jfrThreadData.hpp"
  29 #include "runtime/thread.hpp"
  30 
  31 ObjectSampleAssistance::ObjectSampleAssistance(HeapWord* obj, size_t alloc_size, Thread* thread) : _trace_data(NULL) {
  32   if (LeakProfiler::is_running()) {
  33     assert(thread->is_Java_thread(), "invariant");
  34     _trace_data = thread->trace_data();
  35     LeakProfiler::sample(obj, alloc_size, (JavaThread*)thread);
  36   }
  37 }
  38 
  39 ObjectSampleAssistance::~ObjectSampleAssistance() {
  40   if (_trace_data != NULL) {
  41     _trace_data->clear_cached_stack_trace();
  42   }
  43 }