text: /*
  * Copyright (c) 2016, 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.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
  
  #include "precompiled.hpp"
  #include "jfr/leakprofiler/leakProfiler.hpp"
  #include "jfr/support/jfrAllocationTracer.hpp"
  #include "jfr/support/jfrThreadLocal.hpp"
  #include "runtime/thread.hpp"
  
  JfrAllocationTracer::JfrAllocationTracer(HeapWord* obj, size_t alloc_size, Thread* thread) : _tl(NULL) {
    if (LeakProfiler::is_running()) {
      assert(thread->is_Java_thread(), "invariant");
      _tl = thread->jfr_thread_local();
      LeakProfiler::sample(obj, alloc_size, (JavaThread*)thread);
    }
  }
  
  JfrAllocationTracer::~JfrAllocationTracer() {
    if (_tl != NULL) {
      _tl->clear_cached_stack_trace();
    }
  }
  