Thu, 07 Aug 2014 22:28:53 +0200
8054341: Remove some obsolete code in G1CollectedHeap class
Summary: Remove dead code.
Reviewed-by: stefank, brutisso
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP |
aoqi@0 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | #include "memory/allocation.hpp" |
aoqi@0 | 29 | #include "runtime/os.hpp" |
aoqi@0 | 30 | |
aoqi@0 | 31 | // Macros for GC log output formating |
aoqi@0 | 32 | #define G1_STRDEDUP_OBJECTS_FORMAT UINTX_FORMAT_W(12) |
aoqi@0 | 33 | #define G1_STRDEDUP_TIME_FORMAT "%1.7lf secs" |
aoqi@0 | 34 | #define G1_STRDEDUP_PERCENT_FORMAT "%5.1lf%%" |
aoqi@0 | 35 | #define G1_STRDEDUP_PERCENT_FORMAT_NS "%.1lf%%" |
aoqi@0 | 36 | #define G1_STRDEDUP_BYTES_FORMAT "%8.1lf%s" |
aoqi@0 | 37 | #define G1_STRDEDUP_BYTES_FORMAT_NS "%.1lf%s" |
aoqi@0 | 38 | #define G1_STRDEDUP_BYTES_PARAM(bytes) byte_size_in_proper_unit((double)(bytes)), proper_unit_for_byte_size((bytes)) |
aoqi@0 | 39 | |
aoqi@0 | 40 | // |
aoqi@0 | 41 | // Statistics gathered by the deduplication thread. |
aoqi@0 | 42 | // |
aoqi@0 | 43 | class G1StringDedupStat : public StackObj { |
aoqi@0 | 44 | private: |
aoqi@0 | 45 | // Counters |
aoqi@0 | 46 | uintx _inspected; |
aoqi@0 | 47 | uintx _skipped; |
aoqi@0 | 48 | uintx _hashed; |
aoqi@0 | 49 | uintx _known; |
aoqi@0 | 50 | uintx _new; |
aoqi@0 | 51 | uintx _new_bytes; |
aoqi@0 | 52 | uintx _deduped; |
aoqi@0 | 53 | uintx _deduped_bytes; |
aoqi@0 | 54 | uintx _deduped_young; |
aoqi@0 | 55 | uintx _deduped_young_bytes; |
aoqi@0 | 56 | uintx _deduped_old; |
aoqi@0 | 57 | uintx _deduped_old_bytes; |
aoqi@0 | 58 | uintx _idle; |
aoqi@0 | 59 | uintx _exec; |
aoqi@0 | 60 | uintx _block; |
aoqi@0 | 61 | |
aoqi@0 | 62 | // Time spent by the deduplication thread in different phases |
aoqi@0 | 63 | double _start; |
aoqi@0 | 64 | double _idle_elapsed; |
aoqi@0 | 65 | double _exec_elapsed; |
aoqi@0 | 66 | double _block_elapsed; |
aoqi@0 | 67 | |
aoqi@0 | 68 | public: |
aoqi@0 | 69 | G1StringDedupStat(); |
aoqi@0 | 70 | |
aoqi@0 | 71 | void inc_inspected() { |
aoqi@0 | 72 | _inspected++; |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | void inc_skipped() { |
aoqi@0 | 76 | _skipped++; |
aoqi@0 | 77 | } |
aoqi@0 | 78 | |
aoqi@0 | 79 | void inc_hashed() { |
aoqi@0 | 80 | _hashed++; |
aoqi@0 | 81 | } |
aoqi@0 | 82 | |
aoqi@0 | 83 | void inc_known() { |
aoqi@0 | 84 | _known++; |
aoqi@0 | 85 | } |
aoqi@0 | 86 | |
aoqi@0 | 87 | void inc_new(uintx bytes) { |
aoqi@0 | 88 | _new++; |
aoqi@0 | 89 | _new_bytes += bytes; |
aoqi@0 | 90 | } |
aoqi@0 | 91 | |
aoqi@0 | 92 | void inc_deduped_young(uintx bytes) { |
aoqi@0 | 93 | _deduped++; |
aoqi@0 | 94 | _deduped_bytes += bytes; |
aoqi@0 | 95 | _deduped_young++; |
aoqi@0 | 96 | _deduped_young_bytes += bytes; |
aoqi@0 | 97 | } |
aoqi@0 | 98 | |
aoqi@0 | 99 | void inc_deduped_old(uintx bytes) { |
aoqi@0 | 100 | _deduped++; |
aoqi@0 | 101 | _deduped_bytes += bytes; |
aoqi@0 | 102 | _deduped_old++; |
aoqi@0 | 103 | _deduped_old_bytes += bytes; |
aoqi@0 | 104 | } |
aoqi@0 | 105 | |
aoqi@0 | 106 | void mark_idle() { |
aoqi@0 | 107 | _start = os::elapsedTime(); |
aoqi@0 | 108 | _idle++; |
aoqi@0 | 109 | } |
aoqi@0 | 110 | |
aoqi@0 | 111 | void mark_exec() { |
aoqi@0 | 112 | double now = os::elapsedTime(); |
aoqi@0 | 113 | _idle_elapsed = now - _start; |
aoqi@0 | 114 | _start = now; |
aoqi@0 | 115 | _exec++; |
aoqi@0 | 116 | } |
aoqi@0 | 117 | |
aoqi@0 | 118 | void mark_block() { |
aoqi@0 | 119 | double now = os::elapsedTime(); |
aoqi@0 | 120 | _exec_elapsed += now - _start; |
aoqi@0 | 121 | _start = now; |
aoqi@0 | 122 | _block++; |
aoqi@0 | 123 | } |
aoqi@0 | 124 | |
aoqi@0 | 125 | void mark_unblock() { |
aoqi@0 | 126 | double now = os::elapsedTime(); |
aoqi@0 | 127 | _block_elapsed += now - _start; |
aoqi@0 | 128 | _start = now; |
aoqi@0 | 129 | } |
aoqi@0 | 130 | |
aoqi@0 | 131 | void mark_done() { |
aoqi@0 | 132 | double now = os::elapsedTime(); |
aoqi@0 | 133 | _exec_elapsed += now - _start; |
aoqi@0 | 134 | } |
aoqi@0 | 135 | |
aoqi@0 | 136 | void add(const G1StringDedupStat& stat); |
aoqi@0 | 137 | |
aoqi@0 | 138 | static void print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat); |
aoqi@0 | 139 | static void print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total); |
aoqi@0 | 140 | }; |
aoqi@0 | 141 | |
aoqi@0 | 142 | #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP |