Tue, 19 May 2015 15:49:27 +0200
8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before
Summary: added WhiteBox methods to count regions and exact aux data sizes
Reviewed-by: jwilhelm, brutisso
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
aoqi@0 | 27 | #include "gc_implementation/g1/g1OopClosures.inline.hpp" |
tschatzl@6939 | 28 | #include "gc_implementation/g1/g1ParScanThreadState.hpp" |
aoqi@0 | 29 | |
aoqi@0 | 30 | G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) : |
aoqi@0 | 31 | G1ParClosureSuper(g1, par_scan_state), _scanned_klass(NULL), |
aoqi@0 | 32 | _cm(_g1->concurrent_mark()) {} |
tschatzl@6937 | 33 | |
tschatzl@6939 | 34 | G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1) : |
tschatzl@6939 | 35 | _g1(g1), _par_scan_state(NULL), _worker_id(UINT_MAX) { } |
tschatzl@6939 | 36 | |
tschatzl@6937 | 37 | G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) : |
tschatzl@6939 | 38 | _g1(g1), _par_scan_state(NULL), |
tschatzl@6939 | 39 | _worker_id(UINT_MAX) { |
tschatzl@6939 | 40 | set_par_scan_thread_state(par_scan_state); |
tschatzl@6939 | 41 | } |
tschatzl@6939 | 42 | |
tschatzl@6939 | 43 | void G1ParClosureSuper::set_par_scan_thread_state(G1ParScanThreadState* par_scan_state) { |
tschatzl@6939 | 44 | assert(_par_scan_state == NULL, "_par_scan_state must only be set once"); |
tschatzl@6939 | 45 | assert(par_scan_state != NULL, "Must set par_scan_state to non-NULL."); |
tschatzl@6939 | 46 | |
tschatzl@6939 | 47 | _par_scan_state = par_scan_state; |
tschatzl@6939 | 48 | _worker_id = par_scan_state->queue_num(); |
tschatzl@6939 | 49 | |
tschatzl@6939 | 50 | assert(_worker_id < MAX2((uint)ParallelGCThreads, 1u), |
tschatzl@6939 | 51 | err_msg("The given worker id %u must be less than the number of threads %u", _worker_id, MAX2((uint)ParallelGCThreads, 1u))); |
tschatzl@6939 | 52 | } |