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annotate src/share/vm/gc_implementation/g1/g1HRPrinter.cpp @ 12233:40136aa2cdb1

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8010722: assert: failed: heap size is too big for compressed oops Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation. Reviewed-by: stefank, dholmes
author tschatzl
date Wed, 11 Sep 2013 16:25:02 +0200
parents 5f6f2615433a
children 78bbf4d43a14
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "gc_implementation/g1/g1HRPrinter.hpp"
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27 #include "gc_implementation/g1/heapRegion.hpp"
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28 #include "utilities/ostream.hpp"
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29
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30 const char* G1HRPrinter::action_name(ActionType action) {
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31 switch(action) {
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32 case Alloc: return "ALLOC";
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33 case AllocForce: return "ALLOC-FORCE";
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34 case Retire: return "RETIRE";
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35 case Reuse: return "REUSE";
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36 case CSet: return "CSET";
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37 case EvacFailure: return "EVAC-FAILURE";
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38 case Cleanup: return "CLEANUP";
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39 case PostCompaction: return "POST-COMPACTION";
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40 case Commit: return "COMMIT";
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41 case Uncommit: return "UNCOMMIT";
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42 default: ShouldNotReachHere();
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43 }
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44 // trying to keep the Windows compiler happy
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45 return NULL;
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46 }
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47
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48 const char* G1HRPrinter::region_type_name(RegionType type) {
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49 switch (type) {
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50 case Unset: return NULL;
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51 case Eden: return "Eden";
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52 case Survivor: return "Survivor";
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53 case Old: return "Old";
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54 case SingleHumongous: return "SingleH";
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55 case StartsHumongous: return "StartsH";
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56 case ContinuesHumongous: return "ContinuesH";
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57 default: ShouldNotReachHere();
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58 }
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59 // trying to keep the Windows compiler happy
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60 return NULL;
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61 }
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62
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63 const char* G1HRPrinter::phase_name(PhaseType phase) {
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64 switch (phase) {
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65 case StartGC: return "StartGC";
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66 case EndGC: return "EndGC";
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67 case StartFullGC: return "StartFullGC";
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68 case EndFullGC: return "EndFullGC";
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69 default: ShouldNotReachHere();
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70 }
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71 // trying to keep the Windows compiler happy
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72 return NULL;
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73 }
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74
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75 #define G1HR_PREFIX " G1HR"
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76
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77 void G1HRPrinter::print(ActionType action, RegionType type,
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78 HeapRegion* hr, HeapWord* top) {
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79 const char* action_str = action_name(action);
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80 const char* type_str = region_type_name(type);
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81 HeapWord* bottom = hr->bottom();
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82
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83 if (type_str != NULL) {
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84 if (top != NULL) {
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85 gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT" "PTR_FORMAT,
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86 action_str, type_str, bottom, top);
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87 } else {
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88 gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT,
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89 action_str, type_str, bottom);
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90 }
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91 } else {
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92 if (top != NULL) {
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93 gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT" "PTR_FORMAT,
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94 action_str, bottom, top);
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95 } else {
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96 gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT,
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97 action_str, bottom);
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98 }
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99 }
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100 }
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101
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102 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {
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103 const char* action_str = action_name(action);
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104
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105 gclog_or_tty->print_cr(G1HR_PREFIX" %s ["PTR_FORMAT","PTR_FORMAT"]",
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106 action_str, bottom, end);
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107 }
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108
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109 void G1HRPrinter::print(PhaseType phase, size_t phase_num) {
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110 const char* phase_str = phase_name(phase);
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111 gclog_or_tty->print_cr(G1HR_PREFIX" #%s "SIZE_FORMAT, phase_str, phase_num);
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112 }