src/hotspot/share/jfr/support/jfrAllocationTracer.cpp
changeset 50113 caf115bb98ad
equal deleted inserted replaced
50112:7a2a740815b7 50113:caf115bb98ad
       
     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 }