jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1OopClosures.cpp@a248d0be1309

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) 2014, 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 "gc_implementation/g1/g1CollectedHeap.inline.hpp"

    27 #include "gc_implementation/g1/g1OopClosures.inline.hpp"

    28 #include "gc_implementation/g1/g1ParScanThreadState.hpp"

    30 G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1,  G1ParScanThreadState* par_scan_state) :

    31   G1ParClosureSuper(g1, par_scan_state), _scanned_klass(NULL),

    32   _cm(_g1->concurrent_mark()) {}

    34 G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1) :

    35   _g1(g1), _par_scan_state(NULL), _worker_id(UINT_MAX) { }

    37 G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :

    38   _g1(g1), _par_scan_state(NULL),

    39   _worker_id(UINT_MAX) {

    40   set_par_scan_thread_state(par_scan_state);

    41 }

    43 void G1ParClosureSuper::set_par_scan_thread_state(G1ParScanThreadState* par_scan_state) {

    44   assert(_par_scan_state == NULL, "_par_scan_state must only be set once");

    45   assert(par_scan_state != NULL, "Must set par_scan_state to non-NULL.");

    47   _par_scan_state = par_scan_state;

    48   _worker_id = par_scan_state->queue_num();

    50   assert(_worker_id < MAX2((uint)ParallelGCThreads, 1u),

    51          err_msg("The given worker id %u must be less than the number of threads %u", _worker_id, MAX2((uint)ParallelGCThreads, 1u)));

    52 }

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

src/share/vm/gc_implementation/g1/g1OopClosures.cpp@a248d0be1309

src/share/vm/gc_implementation/g1/g1OopClosures.cpp