jdk8-mips64-public/hotspot: src/share/vm/jfr/support/jfrAllocationTracer.cpp@b985cbb00e68

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

     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 */

    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"

    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 }

    39 JfrAllocationTracer::~JfrAllocationTracer() {

    40   if (_tl != NULL) {

    41     _tl->clear_cached_stack_trace();

    42   }

    43 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/jfr/support/jfrAllocationTracer.cpp@b985cbb00e68

src/share/vm/jfr/support/jfrAllocationTracer.cpp