64 System.out.println();
65 printGCAlgorithm(flagMap);
66 System.out.println();
67 System.out.println("Heap Configuration:");
68 printValue("MinHeapFreeRatio = ", getFlagValue("MinHeapFreeRatio", flagMap));
69 printValue("MaxHeapFreeRatio = ", getFlagValue("MaxHeapFreeRatio", flagMap));
70 printValMB("MaxHeapSize = ", getFlagValue("MaxHeapSize", flagMap));
71 printValMB("NewSize = ", getFlagValue("NewSize", flagMap));
72 printValMB("MaxNewSize = ", getFlagValue("MaxNewSize", flagMap));
73 printValMB("OldSize = ", getFlagValue("OldSize", flagMap));
74 printValue("NewRatio = ", getFlagValue("NewRatio", flagMap));
75 printValue("SurvivorRatio = ", getFlagValue("SurvivorRatio", flagMap));
76 printValMB("MetaspaceSize = ", getFlagValue("MetaspaceSize", flagMap));
77 printValMB("CompressedClassSpaceSize = ", getFlagValue("CompressedClassSpaceSize", flagMap));
78 printValMB("MaxMetaspaceSize = ", getFlagValue("MaxMetaspaceSize", flagMap));
79 printValMB("G1HeapRegionSize = ", HeapRegion.grainBytes());
80
81 System.out.println();
82 System.out.println("Heap Usage:");
83
84 if (heap instanceof SharedHeap) {
85 SharedHeap sharedHeap = (SharedHeap) heap;
86 if (sharedHeap instanceof GenCollectedHeap) {
87 GenCollectedHeap genHeap = (GenCollectedHeap) sharedHeap;
88 for (int n = 0; n < genHeap.nGens(); n++) {
89 Generation gen = genHeap.getGen(n);
90 if (gen instanceof sun.jvm.hotspot.memory.DefNewGeneration) {
91 System.out.println("New Generation (Eden + 1 Survivor Space):");
92 printGen(gen);
93
94 ContiguousSpace eden = ((DefNewGeneration)gen).eden();
95 System.out.println("Eden Space:");
96 printSpace(eden);
97
98 ContiguousSpace from = ((DefNewGeneration)gen).from();
99 System.out.println("From Space:");
100 printSpace(from);
101
102 ContiguousSpace to = ((DefNewGeneration)gen).to();
103 System.out.println("To Space:");
104 printSpace(to);
105 } else {
106 System.out.println(gen.name() + ":");
107 printGen(gen);
108 }
109 }
110 } else if (sharedHeap instanceof G1CollectedHeap) {
111 G1CollectedHeap g1h = (G1CollectedHeap) sharedHeap;
112 G1MonitoringSupport g1mm = g1h.g1mm();
113 long edenRegionNum = g1mm.edenRegionNum();
114 long survivorRegionNum = g1mm.survivorRegionNum();
115 HeapRegionSetBase oldSet = g1h.oldSet();
116 HeapRegionSetBase humongousSet = g1h.humongousSet();
117 long oldRegionNum = oldSet.count().length()
118 + humongousSet.count().capacity() / HeapRegion.grainBytes();
119 printG1Space("G1 Heap:", g1h.n_regions(),
120 g1h.used(), g1h.capacity());
121 System.out.println("G1 Young Generation:");
122 printG1Space("Eden Space:", edenRegionNum,
123 g1mm.edenUsed(), g1mm.edenCommitted());
124 printG1Space("Survivor Space:", survivorRegionNum,
125 g1mm.survivorUsed(), g1mm.survivorCommitted());
126 printG1Space("G1 Old Generation:", oldRegionNum,
127 g1mm.oldUsed(), g1mm.oldCommitted());
128 } else {
129 throw new RuntimeException("unknown SharedHeap type : " + heap.getClass());
130 }
131 } else if (heap instanceof ParallelScavengeHeap) {
132 ParallelScavengeHeap psh = (ParallelScavengeHeap) heap;
133 PSYoungGen youngGen = psh.youngGen();
134 printPSYoungGen(youngGen);
135
136 PSOldGen oldGen = psh.oldGen();
137 long oldFree = oldGen.capacity() - oldGen.used();
138 System.out.println("PS Old Generation");
139 printValMB("capacity = ", oldGen.capacity());
140 printValMB("used = ", oldGen.used());
141 printValMB("free = ", oldFree);
142 System.out.println(alignment + (double)oldGen.used() * 100.0 / oldGen.capacity() + "% used");
143 } else {
144 throw new RuntimeException("unknown CollectedHeap type : " + heap.getClass());
145 }
146
147 System.out.println();
148 printInternStringStatistics();
149 }
150
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64 System.out.println();
65 printGCAlgorithm(flagMap);
66 System.out.println();
67 System.out.println("Heap Configuration:");
68 printValue("MinHeapFreeRatio = ", getFlagValue("MinHeapFreeRatio", flagMap));
69 printValue("MaxHeapFreeRatio = ", getFlagValue("MaxHeapFreeRatio", flagMap));
70 printValMB("MaxHeapSize = ", getFlagValue("MaxHeapSize", flagMap));
71 printValMB("NewSize = ", getFlagValue("NewSize", flagMap));
72 printValMB("MaxNewSize = ", getFlagValue("MaxNewSize", flagMap));
73 printValMB("OldSize = ", getFlagValue("OldSize", flagMap));
74 printValue("NewRatio = ", getFlagValue("NewRatio", flagMap));
75 printValue("SurvivorRatio = ", getFlagValue("SurvivorRatio", flagMap));
76 printValMB("MetaspaceSize = ", getFlagValue("MetaspaceSize", flagMap));
77 printValMB("CompressedClassSpaceSize = ", getFlagValue("CompressedClassSpaceSize", flagMap));
78 printValMB("MaxMetaspaceSize = ", getFlagValue("MaxMetaspaceSize", flagMap));
79 printValMB("G1HeapRegionSize = ", HeapRegion.grainBytes());
80
81 System.out.println();
82 System.out.println("Heap Usage:");
83
84 if (heap instanceof GenCollectedHeap) {
85 GenCollectedHeap genHeap = (GenCollectedHeap) heap;
86 for (int n = 0; n < genHeap.nGens(); n++) {
87 Generation gen = genHeap.getGen(n);
88 if (gen instanceof sun.jvm.hotspot.memory.DefNewGeneration) {
89 System.out.println("New Generation (Eden + 1 Survivor Space):");
90 printGen(gen);
91
92 ContiguousSpace eden = ((DefNewGeneration)gen).eden();
93 System.out.println("Eden Space:");
94 printSpace(eden);
95
96 ContiguousSpace from = ((DefNewGeneration)gen).from();
97 System.out.println("From Space:");
98 printSpace(from);
99
100 ContiguousSpace to = ((DefNewGeneration)gen).to();
101 System.out.println("To Space:");
102 printSpace(to);
103 } else {
104 System.out.println(gen.name() + ":");
105 printGen(gen);
106 }
107 }
108 } else if (heap instanceof G1CollectedHeap) {
109 G1CollectedHeap g1h = (G1CollectedHeap) heap;
110 G1MonitoringSupport g1mm = g1h.g1mm();
111 long edenRegionNum = g1mm.edenRegionNum();
112 long survivorRegionNum = g1mm.survivorRegionNum();
113 HeapRegionSetBase oldSet = g1h.oldSet();
114 HeapRegionSetBase humongousSet = g1h.humongousSet();
115 long oldRegionNum = oldSet.count().length()
116 + humongousSet.count().capacity() / HeapRegion.grainBytes();
117 printG1Space("G1 Heap:", g1h.n_regions(),
118 g1h.used(), g1h.capacity());
119 System.out.println("G1 Young Generation:");
120 printG1Space("Eden Space:", edenRegionNum,
121 g1mm.edenUsed(), g1mm.edenCommitted());
122 printG1Space("Survivor Space:", survivorRegionNum,
123 g1mm.survivorUsed(), g1mm.survivorCommitted());
124 printG1Space("G1 Old Generation:", oldRegionNum,
125 g1mm.oldUsed(), g1mm.oldCommitted());
126 } else if (heap instanceof ParallelScavengeHeap) {
127 ParallelScavengeHeap psh = (ParallelScavengeHeap) heap;
128 PSYoungGen youngGen = psh.youngGen();
129 printPSYoungGen(youngGen);
130
131 PSOldGen oldGen = psh.oldGen();
132 long oldFree = oldGen.capacity() - oldGen.used();
133 System.out.println("PS Old Generation");
134 printValMB("capacity = ", oldGen.capacity());
135 printValMB("used = ", oldGen.used());
136 printValMB("free = ", oldFree);
137 System.out.println(alignment + (double)oldGen.used() * 100.0 / oldGen.capacity() + "% used");
138 } else {
139 throw new RuntimeException("unknown CollectedHeap type : " + heap.getClass());
140 }
141
142 System.out.println();
143 printInternStringStatistics();
144 }
145
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