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comparison: src/share/vm/gc_implementation/g1/g1StringDedupStat.hpp
src/share/vm/gc_implementation/g1/g1StringDedupStat.hpp
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| 1 /* | |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP | |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP | |
| 27 | |
| 28 #include "memory/allocation.hpp" | |
| 29 #include "runtime/os.hpp" | |
| 30 | |
| 31 // Macros for GC log output formating | |
| 32 #define G1_STRDEDUP_OBJECTS_FORMAT UINTX_FORMAT_W(12) | |
| 33 #define G1_STRDEDUP_TIME_FORMAT "%1.7lf secs" | |
| 34 #define G1_STRDEDUP_PERCENT_FORMAT "%5.1lf%%" | |
| 35 #define G1_STRDEDUP_PERCENT_FORMAT_NS "%.1lf%%" | |
| 36 #define G1_STRDEDUP_BYTES_FORMAT "%8.1lf%s" | |
| 37 #define G1_STRDEDUP_BYTES_FORMAT_NS "%.1lf%s" | |
| 38 #define G1_STRDEDUP_BYTES_PARAM(bytes) byte_size_in_proper_unit((double)(bytes)), proper_unit_for_byte_size((bytes)) | |
| 39 | |
| 40 // | |
| 41 // Statistics gathered by the deduplication thread. | |
| 42 // | |
| 43 class G1StringDedupStat : public StackObj { | |
| 44 private: | |
| 45 // Counters | |
| 46 uintx _inspected; | |
| 47 uintx _skipped; | |
| 48 uintx _hashed; | |
| 49 uintx _known; | |
| 50 uintx _new; | |
| 51 uintx _new_bytes; | |
| 52 uintx _deduped; | |
| 53 uintx _deduped_bytes; | |
| 54 uintx _deduped_young; | |
| 55 uintx _deduped_young_bytes; | |
| 56 uintx _deduped_old; | |
| 57 uintx _deduped_old_bytes; | |
| 58 uintx _idle; | |
| 59 uintx _exec; | |
| 60 uintx _block; | |
| 61 | |
| 62 // Time spent by the deduplication thread in different phases | |
| 63 double _start; | |
| 64 double _idle_elapsed; | |
| 65 double _exec_elapsed; | |
| 66 double _block_elapsed; | |
| 67 | |
| 68 public: | |
| 69 G1StringDedupStat(); | |
| 70 | |
| 71 void inc_inspected() { | |
| 72 _inspected++; | |
| 73 } | |
| 74 | |
| 75 void inc_skipped() { | |
| 76 _skipped++; | |
| 77 } | |
| 78 | |
| 79 void inc_hashed() { | |
| 80 _hashed++; | |
| 81 } | |
| 82 | |
| 83 void inc_known() { | |
| 84 _known++; | |
| 85 } | |
| 86 | |
| 87 void inc_new(uintx bytes) { | |
| 88 _new++; | |
| 89 _new_bytes += bytes; | |
| 90 } | |
| 91 | |
| 92 void inc_deduped_young(uintx bytes) { | |
| 93 _deduped++; | |
| 94 _deduped_bytes += bytes; | |
| 95 _deduped_young++; | |
| 96 _deduped_young_bytes += bytes; | |
| 97 } | |
| 98 | |
| 99 void inc_deduped_old(uintx bytes) { | |
| 100 _deduped++; | |
| 101 _deduped_bytes += bytes; | |
| 102 _deduped_old++; | |
| 103 _deduped_old_bytes += bytes; | |
| 104 } | |
| 105 | |
| 106 void mark_idle() { | |
| 107 _start = os::elapsedTime(); | |
| 108 _idle++; | |
| 109 } | |
| 110 | |
| 111 void mark_exec() { | |
| 112 double now = os::elapsedTime(); | |
| 113 _idle_elapsed = now - _start; | |
| 114 _start = now; | |
| 115 _exec++; | |
| 116 } | |
| 117 | |
| 118 void mark_block() { | |
| 119 double now = os::elapsedTime(); | |
| 120 _exec_elapsed += now - _start; | |
| 121 _start = now; | |
| 122 _block++; | |
| 123 } | |
| 124 | |
| 125 void mark_unblock() { | |
| 126 double now = os::elapsedTime(); | |
| 127 _block_elapsed += now - _start; | |
| 128 _start = now; | |
| 129 } | |
| 130 | |
| 131 void mark_done() { | |
| 132 double now = os::elapsedTime(); | |
| 133 _exec_elapsed += now - _start; | |
| 134 } | |
| 135 | |
| 136 void add(const G1StringDedupStat& stat); | |
| 137 | |
| 138 static void print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat); | |
| 139 static void print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total); | |
| 140 }; | |
| 141 | |
| 142 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP |
