1 /*
   2 * Copyright (c) 2016, 2018, 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/support/jfrAllocationTracer.hpp"
  28 #include "jfr/support/jfrThreadLocal.hpp"
  29 #include "runtime/thread.hpp"
  30 
  31 JfrAllocationTracer::JfrAllocationTracer(HeapWord* obj, size_t alloc_size, Thread* thread) : _tl(NULL) {
  32   if (LeakProfiler::is_running()) {
  33     assert(thread->is_Java_thread(), "invariant");
  34     _tl = thread->jfr_thread_local();
  35     LeakProfiler::sample(obj, alloc_size, (JavaThread*)thread);
  36   }
  37 }
  38 
  39 JfrAllocationTracer::~JfrAllocationTracer() {
  40   if (_tl != NULL) {
  41     _tl->clear_cached_stack_trace();
  42   }
  43 }