Mon, 19 Aug 2019 10:11:31 +0200
8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com
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.
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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
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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 }