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comparison src/share/vm/services/mallocTracker.cpp @ 20553:417e3b8d04c5

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8059100: SIGSEGV VirtualMemoryTracker::remove_released_region Summary: Disallow increasing native memory tracking level Reviewed-by: hseigel, ctornqvi, gtriantafill
author coleenp
date Fri, 10 Oct 2014 19:36:12 +0000
parents 1ff288f0dae4
children 787c9c28311f
comparison
equal deleted inserted replaced
20547:fffbcc20bf61 20553:417e3b8d04c5
47 size_t amount = 0; 47 size_t amount = 0;
48 for (int index = 0; index < mt_number_of_types; index ++) { 48 for (int index = 0; index < mt_number_of_types; index ++) {
49 amount += _malloc[index].arena_size(); 49 amount += _malloc[index].arena_size();
50 } 50 }
51 return amount; 51 return amount;
52 }
53
54
55 void MallocMemorySnapshot::reset() {
56 _tracking_header.reset();
57 for (int index = 0; index < mt_number_of_types; index ++) {
58 _malloc[index].reset();
59 }
60 } 52 }
61 53
62 // Make adjustment by subtracting chunks used by arenas 54 // Make adjustment by subtracting chunks used by arenas
63 // from total chunks to get total free chunck size 55 // from total chunks to get total free chunck size
64 void MallocMemorySnapshot::make_adjustment() { 56 void MallocMemorySnapshot::make_adjustment() {
114 } 106 }
115 107
116 bool MallocTracker::transition(NMT_TrackingLevel from, NMT_TrackingLevel to) { 108 bool MallocTracker::transition(NMT_TrackingLevel from, NMT_TrackingLevel to) {
117 assert(from != NMT_off, "Can not transition from off state"); 109 assert(from != NMT_off, "Can not transition from off state");
118 assert(to != NMT_off, "Can not transition to off state"); 110 assert(to != NMT_off, "Can not transition to off state");
119 if (from == NMT_minimal) { 111 assert (from != NMT_minimal, "cannot transition from minimal state");
120 MallocMemorySummary::reset();
121 }
122 112
123 if (to == NMT_detail) { 113 if (from == NMT_detail) {
124 assert(from == NMT_minimal || from == NMT_summary, "Just check");
125 return MallocSiteTable::initialize();
126 } else if (from == NMT_detail) {
127 assert(to == NMT_minimal || to == NMT_summary, "Just check"); 114 assert(to == NMT_minimal || to == NMT_summary, "Just check");
128 MallocSiteTable::shutdown(); 115 MallocSiteTable::shutdown();
129 } 116 }
130 return true; 117 return true;
131 } 118 }