truffle: src/share/vm/services/memSnapshot.cpp annotate

annotate src/share/vm/services/memSnapshot.cpp @ 6882:716c64bda5ba

7199092: NMT: NMT needs to deal overlapped virtual memory ranges Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map. Reviewed-by: acorn, coleenp

author	zgu
date	Fri, 19 Oct 2012 21:40:07 -0400
parents	33143ee07800
children	69ad7823b1ca

rev	line source
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	1 /*
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	4 *
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	7 * published by the Free Software Foundation.
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	8 *
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	13 * accompanied this code).
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	14 *
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	18 *
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	21 * questions.
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	22 *
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	23 */
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	24
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	25 #include "precompiled.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	26 #include "runtime/mutexLocker.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	27 #include "utilities/decoder.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	28 #include "services/memBaseline.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	29 #include "services/memPtr.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	30 #include "services/memPtrArray.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	31 #include "services/memSnapshot.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	32 #include "services/memTracker.hpp"
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	33
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	34
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	35 bool VMMemPointerIterator::insert_record(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	36 VMMemRegionEx new_rec;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	37 assert(rec->is_allocation_record() \|\| rec->is_commit_record(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	38 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	39 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	40 new_rec.init((MemPointerRecordEx*)rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	41 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	42 new_rec.init(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	43 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	44 return insert(&new_rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	45 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	46
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	47 bool VMMemPointerIterator::insert_record_after(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	48 VMMemRegionEx new_rec;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	49 assert(rec->is_allocation_record() \|\| rec->is_commit_record(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	50 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	51 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	52 new_rec.init((MemPointerRecordEx*)rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	53 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	54 new_rec.init(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	55 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	56 return insert_after(&new_rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	57 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	58
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	59 // we don't consolidate reserved regions, since they may be categorized
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	60 // in different types.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	61 bool VMMemPointerIterator::add_reserved_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	62 assert(rec->is_allocation_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	63 VMMemRegion* cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	64
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	65 // we don't have anything yet
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	66 if (cur == NULL) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	67 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	68 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	69
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	70 assert(cur->is_reserved_region(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	71 // duplicated records
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	72 if (cur->is_same_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	73 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	74 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	75 assert(cur->base() > rec->addr(), "Just check: locate()");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	76 assert(rec->addr() + rec->size() <= cur->base(), "Can not overlap");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	77 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	78 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	79
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	80 // we do consolidate committed regions
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	81 bool VMMemPointerIterator::add_committed_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	82 assert(rec->is_commit_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	83 VMMemRegion* cur;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	84 cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	85 assert(cur->is_reserved_region() && cur->contains_region(rec),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	86 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	87
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	88 // thread's native stack is always marked as "committed", ignore
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	89 // the "commit" operation for creating stack guard pages
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	90 if (FLAGS_TO_MEMORY_TYPE(cur->flags()) == mtThreadStack &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	91 FLAGS_TO_MEMORY_TYPE(rec->flags()) != mtThreadStack) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	92 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	93 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	94
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	95 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	96 while (cur != NULL && cur->is_committed_region()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	97 // duplicated commit records
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	98 if(cur->contains_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	99 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	100 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	101 if (cur->base() > rec->addr()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	102 // committed regions can not overlap
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	103 assert(rec->addr() + rec->size() <= cur->base(), "Can not overlap");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	104 if (rec->addr() + rec->size() == cur->base()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	105 cur->expand_region(rec->addr(), rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	106 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	107 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	108 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	109 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	110 } else if (cur->base() + cur->size() == rec->addr()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	111 cur->expand_region(rec->addr(), rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	112 VMMemRegion* next_reg = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	113 // see if we can consolidate next committed region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	114 if (next_reg != NULL && next_reg->is_committed_region() &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	115 next_reg->base() == cur->base() + cur->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	116 cur->expand_region(next_reg->base(), next_reg->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	117 remove();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	118 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	119 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	120 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	121 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	122 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	123 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	124 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	125
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	126 bool VMMemPointerIterator::remove_uncommitted_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	127 assert(rec->is_uncommit_record(), "sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	128 VMMemRegion* cur;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	129 cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	130 assert(cur->is_reserved_region() && cur->contains_region(rec),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	131 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	132 // thread's native stack is always marked as "committed", ignore
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	133 // the "commit" operation for creating stack guard pages
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	134 if (FLAGS_TO_MEMORY_TYPE(cur->flags()) == mtThreadStack &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	135 FLAGS_TO_MEMORY_TYPE(rec->flags()) != mtThreadStack) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	136 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	137 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	138
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	139 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	140 while (cur != NULL && cur->is_committed_region()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	141 // region already uncommitted, must be due to duplicated record
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	142 if (cur->addr() >= rec->addr() + rec->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	143 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	144 } else if (cur->contains_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	145 // uncommit whole region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	146 if (cur->is_same_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	147 remove();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	148 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	149 } else if (rec->addr() == cur->addr() \|\|
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	150 rec->addr() + rec->size() == cur->addr() + cur->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	151 // uncommitted from either end of current memory region.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	152 cur->exclude_region(rec->addr(), rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	153 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	154 } else { // split the committed region and release the middle
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	155 address high_addr = cur->addr() + cur->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	156 size_t sz = high_addr - rec->addr();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	157 cur->exclude_region(rec->addr(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	158 sz = high_addr - (rec->addr() + rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	159 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	160 MemPointerRecordEx tmp(rec->addr() + rec->size(), cur->flags(), sz,
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	161 ((VMMemRegionEx*)cur)->pc());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	162 return insert_record_after(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	163 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	164 MemPointerRecord tmp(rec->addr() + rec->size(), cur->flags(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	165 return insert_record_after(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	166 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	167 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	168 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	169 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	170 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	171
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	172 // we may not find committed record due to duplicated records
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	173 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	174 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	175
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	176 bool VMMemPointerIterator::remove_released_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	177 assert(rec->is_deallocation_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	178 VMMemRegion* cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	179 assert(cur->is_reserved_region() && cur->contains_region(rec),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	180 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	181 #ifdef ASSERT
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	182 VMMemRegion* next_reg = (VMMemRegion*)peek_next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	183 // should not have any committed memory in this reserved region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	184 assert(next_reg == NULL \|\| !next_reg->is_committed_region(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	185 #endif
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	186 if (rec->is_same_region(cur)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	187 remove();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	188 } else if (rec->addr() == cur->addr() \|\|
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	189 rec->addr() + rec->size() == cur->addr() + cur->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	190 // released region is at either end of this region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	191 cur->exclude_region(rec->addr(), rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	192 } else { // split the reserved region and release the middle
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	193 address high_addr = cur->addr() + cur->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	194 size_t sz = high_addr - rec->addr();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	195 cur->exclude_region(rec->addr(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	196 sz = high_addr - rec->addr() - rec->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	197 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	198 MemPointerRecordEx tmp(rec->addr() + rec->size(), cur->flags(), sz,
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	199 ((VMMemRegionEx*)cur)->pc());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	200 return insert_reserved_region(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	201 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	202 MemPointerRecord tmp(rec->addr() + rec->size(), cur->flags(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	203 return insert_reserved_region(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	204 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	205 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	206 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	207 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	208
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	209 bool VMMemPointerIterator::insert_reserved_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	210 // skip all 'commit' records associated with previous reserved region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	211 VMMemRegion* p = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	212 while (p != NULL && p->is_committed_region() &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	213 p->base() + p->size() < rec->addr()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	214 p = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	215 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	216 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	217 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	218
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	219 bool VMMemPointerIterator::split_reserved_region(VMMemRegion* rgn, address new_rgn_addr, size_t new_rgn_size) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	220 assert(rgn->contains_region(new_rgn_addr, new_rgn_size), "Not fully contained");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	221 address pc = (MemTracker::track_callsite() ? ((VMMemRegionEx*)rgn)->pc() : NULL);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	222 if (rgn->base() == new_rgn_addr) { // new region is at the beginning of the region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	223 size_t sz = rgn->size() - new_rgn_size;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	224 // the original region becomes 'new' region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	225 rgn->exclude_region(new_rgn_addr + new_rgn_size, sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	226 // remaining becomes next region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	227 MemPointerRecordEx next_rgn(new_rgn_addr + new_rgn_size, rgn->flags(), sz, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	228 return insert_reserved_region(&next_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	229 } else if (rgn->base() + rgn->size() == new_rgn_addr + new_rgn_size) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	230 rgn->exclude_region(new_rgn_addr, new_rgn_size);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	231 MemPointerRecordEx next_rgn(new_rgn_addr, rgn->flags(), new_rgn_size, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	232 return insert_reserved_region(&next_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	233 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	234 // the orginal region will be split into three
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	235 address rgn_high_addr = rgn->base() + rgn->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	236 // first region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	237 rgn->exclude_region(new_rgn_addr, (rgn_high_addr - new_rgn_addr));
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	238 // the second region is the new region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	239 MemPointerRecordEx new_rgn(new_rgn_addr, rgn->flags(), new_rgn_size, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	240 if (!insert_reserved_region(&new_rgn)) return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	241 // the remaining region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	242 MemPointerRecordEx rem_rgn(new_rgn_addr + new_rgn_size, rgn->flags(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	243 rgn_high_addr - (new_rgn_addr + new_rgn_size), pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	244 return insert_reserved_region(&rem_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	245 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	246 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	247
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	248 static int sort_in_seq_order(const void* p1, const void* p2) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	249 assert(p1 != NULL && p2 != NULL, "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	250 const MemPointerRecord* mp1 = (MemPointerRecord*)p1;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	251 const MemPointerRecord* mp2 = (MemPointerRecord*)p2;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	252 return (mp1->seq() - mp2->seq());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	253 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	254
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	255 bool StagingArea::init() {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	256 if (MemTracker::track_callsite()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	257 _malloc_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecordEx>();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	258 _vm_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecordEx>();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	259 } else {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	260 _malloc_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecord>();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	261 _vm_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecord>();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	262 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	263
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	264 if (_malloc_data != NULL && _vm_data != NULL &&
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	265 !_malloc_data->out_of_memory() &&
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	266 !_vm_data->out_of_memory()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	267 return true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	268 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	269 if (_malloc_data != NULL) delete _malloc_data;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	270 if (_vm_data != NULL) delete _vm_data;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	271 _malloc_data = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	272 _vm_data = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	273 return false;
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	274 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	275 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	276
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	277
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	278 VMRecordIterator StagingArea::virtual_memory_record_walker() {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	279 MemPointerArray* arr = vm_data();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	280 // sort into seq number order
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	281 arr->sort((FN_SORT)sort_in_seq_order);
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	282 return VMRecordIterator(arr);
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	283 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	284
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	285
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	286 MemSnapshot::MemSnapshot() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	287 if (MemTracker::track_callsite()) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	288 _alloc_ptrs = new (std::nothrow) MemPointerArrayImpl<MemPointerRecordEx>();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	289 _vm_ptrs = new (std::nothrow)MemPointerArrayImpl<VMMemRegionEx>(64, true);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	290 } else {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	291 _alloc_ptrs = new (std::nothrow) MemPointerArrayImpl<MemPointerRecord>();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	292 _vm_ptrs = new (std::nothrow)MemPointerArrayImpl<VMMemRegion>(64, true);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	293 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	294
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	295 _staging_area.init();
6232 f1f45dddb0bd 7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest zgu parents: 6197 diff changeset	296 _lock = new (std::nothrow) Mutex(Monitor::max_nonleaf - 1, "memSnapshotLock");
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	297 NOT_PRODUCT(_untracked_count = 0;)
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	298 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	299
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	300 MemSnapshot::~MemSnapshot() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	301 assert(MemTracker::shutdown_in_progress(), "native memory tracking still on");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	302 {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	303 MutexLockerEx locker(_lock);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	304 if (_alloc_ptrs != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	305 delete _alloc_ptrs;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	306 _alloc_ptrs = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	307 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	308
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	309 if (_vm_ptrs != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	310 delete _vm_ptrs;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	311 _vm_ptrs = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	312 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	313 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	314
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	315 if (_lock != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	316 delete _lock;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	317 _lock = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	318 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	319 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	320
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	321 void MemSnapshot::copy_pointer(MemPointerRecord* dest, const MemPointerRecord* src) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	322 assert(dest != NULL && src != NULL, "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	323 assert(dest->addr() == src->addr(), "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	324
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	325 MEMFLAGS flags = dest->flags();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	326
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	327 if (MemTracker::track_callsite()) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	328 (MemPointerRecordEx)dest = (MemPointerRecordEx)src;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	329 } else {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	330 dest = src;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	331 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	332 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	333
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	334
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	335 // merge a per-thread memory recorder to the staging area
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	336 bool MemSnapshot::merge(MemRecorder* rec) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	337 assert(rec != NULL && !rec->out_of_memory(), "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	338
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	339 SequencedRecordIterator itr(rec->pointer_itr());
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	340
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	341 MutexLockerEx lock(_lock, true);
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	342 MemPointerIterator malloc_staging_itr(_staging_area.malloc_data());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	343 MemPointerRecord p1, p2;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	344 p1 = (MemPointerRecord*) itr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	345 while (p1 != NULL) {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	346 if (p1->is_vm_pointer()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	347 // we don't do anything with virtual memory records during merge
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	348 if (!_staging_area.vm_data()->append(p1)) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	349 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	350 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	351 } else {
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	352 // locate matched record and/or also position the iterator to proper
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	353 // location for this incoming record.
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	354 p2 = (MemPointerRecord*)malloc_staging_itr.locate(p1->addr());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	355 // we have not seen this memory block, so just add to staging area
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	356 if (p2 == NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	357 if (!malloc_staging_itr.insert(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	358 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	359 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	360 } else if (p1->addr() == p2->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	361 MemPointerRecord* staging_next = (MemPointerRecord*)malloc_staging_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	362 // a memory block can have many tagging records, find right one to replace or
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	363 // right position to insert
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	364 while (staging_next != NULL && staging_next->addr() == p1->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	365 if ((staging_next->flags() & MemPointerRecord::tag_masks) <=
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	366 (p1->flags() & MemPointerRecord::tag_masks)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	367 p2 = (MemPointerRecord*)malloc_staging_itr.next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	368 staging_next = (MemPointerRecord*)malloc_staging_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	369 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	370 break;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	371 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	372 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	373 int df = (p1->flags() & MemPointerRecord::tag_masks) -
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	374 (p2->flags() & MemPointerRecord::tag_masks);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	375 if (df == 0) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	376 assert(p1->seq() > 0, "not sequenced");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	377 assert(p2->seq() > 0, "not sequenced");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	378 if (p1->seq() > p2->seq()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	379 copy_pointer(p2, p1);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	380 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	381 } else if (df < 0) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	382 if (!malloc_staging_itr.insert(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	383 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	384 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	385 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	386 if (!malloc_staging_itr.insert_after(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	387 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	388 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	389 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	390 } else if (p1->addr() < p2->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	391 if (!malloc_staging_itr.insert(p1)) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	392 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	393 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	394 } else {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	395 if (!malloc_staging_itr.insert_after(p1)) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	396 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	397 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	398 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	399 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	400 p1 = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	401 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	402 NOT_PRODUCT(void check_staging_data();)
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	403 return true;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	404 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	405
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	406
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	407
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	408 // promote data to next generation
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	409 bool MemSnapshot::promote() {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	410 assert(_alloc_ptrs != NULL && _vm_ptrs != NULL, "Just check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	411 assert(_staging_area.malloc_data() != NULL && _staging_area.vm_data() != NULL,
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	412 "Just check");
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	413 MutexLockerEx lock(_lock, true);
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	414
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	415 MallocRecordIterator malloc_itr = _staging_area.malloc_record_walker();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	416 bool promoted = false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	417 if (promote_malloc_records(&malloc_itr)) {
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	418 VMRecordIterator vm_itr = _staging_area.virtual_memory_record_walker();
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	419 if (promote_virtual_memory_records(&vm_itr)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	420 promoted = true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	421 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	422 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	423
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	424 NOT_PRODUCT(check_malloc_pointers();)
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	425 _staging_area.clear();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	426 return promoted;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	427 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	428
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	429 bool MemSnapshot::promote_malloc_records(MemPointerArrayIterator* itr) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	430 MemPointerIterator malloc_snapshot_itr(_alloc_ptrs);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	431 MemPointerRecord* new_rec = (MemPointerRecord*)itr->current();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	432 MemPointerRecord* matched_rec;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	433 while (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	434 matched_rec = (MemPointerRecord*)malloc_snapshot_itr.locate(new_rec->addr());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	435 // found matched memory block
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	436 if (matched_rec != NULL && new_rec->addr() == matched_rec->addr()) {
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	437 // snapshot already contains 'live' records
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	438 assert(matched_rec->is_allocation_record() \|\| matched_rec->is_arena_size_record(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	439 "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	440 // update block states
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	441 if (new_rec->is_allocation_record() \|\| new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	442 copy_pointer(matched_rec, new_rec);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	443 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	444 // a deallocation record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	445 assert(new_rec->is_deallocation_record(), "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	446 // an arena record can be followed by a size record, we need to remove both
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	447 if (matched_rec->is_arena_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	448 MemPointerRecord* next = (MemPointerRecord*)malloc_snapshot_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	449 if (next->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	450 // it has to match the arena record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	451 assert(next->is_size_record_of_arena(matched_rec), "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	452 malloc_snapshot_itr.remove();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	453 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	454 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	455 // the memory is deallocated, remove related record(s)
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	456 malloc_snapshot_itr.remove();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	457 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	458 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	459 // it is a new record, insert into snapshot
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	460 if (new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	461 MemPointerRecord* prev = (MemPointerRecord*)malloc_snapshot_itr.peek_prev();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	462 if (prev == NULL \|\| !prev->is_arena_record() \|\| !new_rec->is_size_record_of_arena(prev)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	463 // no matched arena record, ignore the size record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	464 new_rec = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	465 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	466 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	467 // only 'live' record can go into snapshot
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	468 if (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	469 if (new_rec->is_allocation_record() \|\| new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	470 if (matched_rec != NULL && new_rec->addr() > matched_rec->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	471 if (!malloc_snapshot_itr.insert_after(new_rec)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	472 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	473 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	474 } else {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	475 if (!malloc_snapshot_itr.insert(new_rec)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	476 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	477 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	478 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	479 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	480 #ifndef PRODUCT
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	481 else if (!has_allocation_record(new_rec->addr())) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	482 // NMT can not track some startup memory, which is allocated before NMT is on
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	483 _untracked_count ++;
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	484 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	485 #endif
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	486 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	487 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	488 new_rec = (MemPointerRecord*)itr->next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	489 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	490 return true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	491 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	492
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	493 bool MemSnapshot::promote_virtual_memory_records(MemPointerArrayIterator* itr) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	494 VMMemPointerIterator vm_snapshot_itr(_vm_ptrs);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	495 MemPointerRecord* new_rec = (MemPointerRecord*)itr->current();
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	496 VMMemRegion* reserved_rec;
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	497 while (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	498 assert(new_rec->is_vm_pointer(), "Sanity check");
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	499
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	500 // locate a reserved region that contains the specified address, or
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	501 // the nearest reserved region has base address just above the specified
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	502 // address
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	503 reserved_rec = (VMMemRegion*)vm_snapshot_itr.locate(new_rec->addr());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	504 if (reserved_rec != NULL && reserved_rec->contains_region(new_rec)) {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	505 // snapshot can only have 'live' records
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	506 assert(reserved_rec->is_reserved_region(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	507 if (new_rec->is_allocation_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	508 if (!reserved_rec->is_same_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	509 // only deal with split a bigger reserved region into smaller regions.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	510 // So far, CDS is the only use case.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	511 if (!vm_snapshot_itr.split_reserved_region(reserved_rec, new_rec->addr(), new_rec->size())) {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	512 return false;
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	513 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	514 }
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	515 } else if (new_rec->is_uncommit_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	516 if (!vm_snapshot_itr.remove_uncommitted_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	517 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	518 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	519 } else if (new_rec->is_commit_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	520 // insert or expand existing committed region to cover this
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	521 // newly committed region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	522 if (!vm_snapshot_itr.add_committed_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	523 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	524 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	525 } else if (new_rec->is_deallocation_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	526 // release part or all memory region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	527 if (!vm_snapshot_itr.remove_released_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	528 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	529 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	530 } else if (new_rec->is_type_tagging_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	531 // tag this reserved virtual memory range to a memory type. Can not re-tag a memory range
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	532 // to different type.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	533 assert(FLAGS_TO_MEMORY_TYPE(reserved_rec->flags()) == mtNone \|\|
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	534 FLAGS_TO_MEMORY_TYPE(reserved_rec->flags()) == FLAGS_TO_MEMORY_TYPE(new_rec->flags()),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	535 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	536 reserved_rec->tag(new_rec->flags());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	537 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	538 ShouldNotReachHere();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	539 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	540 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	541 /*
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	542 * The assertion failure indicates mis-matched virtual memory records. The likely
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	543 * scenario is, that some virtual memory operations are not going through os::xxxx_memory()
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	544 * api, which have to be tracked manually. (perfMemory is an example).
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	545 */
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	546 assert(new_rec->is_allocation_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	547 if (!vm_snapshot_itr.add_reserved_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	548 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	549 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	550 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	551 new_rec = (MemPointerRecord*)itr->next();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	552 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	553 return true;
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	554 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	555
6607 e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	556 #ifndef PRODUCT
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	557 void MemSnapshot::print_snapshot_stats(outputStream* st) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	558 st->print_cr("Snapshot:");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	559 st->print_cr("\tMalloced: %d/%d [%5.2f%%] %dKB", _alloc_ptrs->length(), _alloc_ptrs->capacity(),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	560 (100.0 * (float)_alloc_ptrs->length()) / (float)_alloc_ptrs->capacity(), _alloc_ptrs->instance_size()/K);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	561
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	562 st->print_cr("\tVM: %d/%d [%5.2f%%] %dKB", _vm_ptrs->length(), _vm_ptrs->capacity(),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	563 (100.0 * (float)_vm_ptrs->length()) / (float)_vm_ptrs->capacity(), _vm_ptrs->instance_size()/K);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	564
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	565 st->print_cr("\tMalloc staging Area: %d/%d [%5.2f%%] %dKB", _staging_area.malloc_data()->length(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	566 _staging_area.malloc_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	567 (100.0 * (float)_staging_area.malloc_data()->length()) / (float)_staging_area.malloc_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	568 _staging_area.malloc_data()->instance_size()/K);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	569
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	570 st->print_cr("\tVirtual memory staging Area: %d/%d [%5.2f%%] %dKB", _staging_area.vm_data()->length(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	571 _staging_area.vm_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	572 (100.0 * (float)_staging_area.vm_data()->length()) / (float)_staging_area.vm_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	573 _staging_area.vm_data()->instance_size()/K);
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	574
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	575 st->print_cr("\tUntracked allocation: %d", _untracked_count);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	576 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	577
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	578 void MemSnapshot::check_malloc_pointers() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	579 MemPointerArrayIteratorImpl mItr(_alloc_ptrs);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	580 MemPointerRecord* p = (MemPointerRecord*)mItr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	581 MemPointerRecord* prev = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	582 while (p != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	583 if (prev != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	584 assert(p->addr() >= prev->addr(), "sorting order");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	585 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	586 prev = p;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	587 p = (MemPointerRecord*)mItr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	588 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	589 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	590
6607 e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	591 bool MemSnapshot::has_allocation_record(address addr) {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	592 MemPointerArrayIteratorImpl itr(_staging_area.malloc_data());
6607 e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	593 MemPointerRecord* cur = (MemPointerRecord*)itr.current();
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	594 while (cur != NULL) {
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	595 if (cur->addr() == addr && cur->is_allocation_record()) {
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	596 return true;
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	597 }
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	598 cur = (MemPointerRecord*)itr.next();
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	599 }
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	600 return false;
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	601 }
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	602 #endif // PRODUCT
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	603
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	604 #ifdef ASSERT
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	605 void MemSnapshot::check_staging_data() {
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	606 MemPointerArrayIteratorImpl itr(_staging_area.malloc_data());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	607 MemPointerRecord* cur = (MemPointerRecord*)itr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	608 MemPointerRecord* next = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	609 while (next != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	610 assert((next->addr() > cur->addr()) \|\|
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	611 ((next->flags() & MemPointerRecord::tag_masks) >
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	612 (cur->flags() & MemPointerRecord::tag_masks)),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	613 "sorting order");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	614 cur = next;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	615 next = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	616 }
6741 33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	617
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	618 MemPointerArrayIteratorImpl vm_itr(_staging_area.vm_data());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	619 cur = (MemPointerRecord*)vm_itr.current();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	620 while (cur != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	621 assert(cur->is_vm_pointer(), "virtual memory pointer only");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	622 cur = (MemPointerRecord*)vm_itr.next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() \|\| cur_vm->is_deallocation_record zgu parents: 6607 diff changeset	623 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	624 }
6882 716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	625
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	626 void MemSnapshot::dump_all_vm_pointers() {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	627 MemPointerArrayIteratorImpl itr(_vm_ptrs);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	628 VMMemRegion* ptr = (VMMemRegion*)itr.current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	629 tty->print_cr("dump virtual memory pointers:");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	630 while (ptr != NULL) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	631 if (ptr->is_committed_region()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	632 tty->print("\t");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	633 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	634 tty->print("[" PTR_FORMAT " - " PTR_FORMAT "] [%x]", ptr->addr(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	635 (ptr->addr() + ptr->size()), ptr->flags());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	636
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	637 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	638 VMMemRegionEx* ex = (VMMemRegionEx*)ptr;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	639 if (ex->pc() != NULL) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	640 char buf[1024];
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	641 if (os::dll_address_to_function_name(ex->pc(), buf, sizeof(buf), NULL)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	642 tty->print_cr("\t%s", buf);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	643 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	644 tty->print_cr("");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	645 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	646 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	647 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	648
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	649 ptr = (VMMemRegion*)itr.next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	650 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	651 tty->flush();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges zgu parents: 6741 diff changeset	652 }
6607 e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT zgu parents: 6599 diff changeset	653 #endif // ASSERT
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: diff changeset	654

Mercurial > hg > truffle

annotate src/share/vm/services/memSnapshot.cpp @ 6882:716c64bda5ba