src/share/vm/gc_implementation/g1/g1HRPrinter.hpp

Tue, 25 Sep 2012 07:05:55 -0700

author
jmasa
date
Tue, 25 Sep 2012 07:05:55 -0700
changeset 4097
5baec2e69518
parent 0
f90c822e73f8
permissions
-rw-r--r--

7200615: NPG: optimized VM build is broken
Reviewed-by: kvn

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2011, 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_G1HRPRINTER_HPP
aoqi@0 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1HRPRINTER_HPP
aoqi@0 27
aoqi@0 28 #include "memory/allocation.hpp"
aoqi@0 29 #include "gc_implementation/g1/heapRegion.hpp"
aoqi@0 30
aoqi@0 31 #define SKIP_RETIRED_FULL_REGIONS 1
aoqi@0 32
aoqi@0 33 class G1HRPrinter VALUE_OBJ_CLASS_SPEC {
aoqi@0 34 public:
aoqi@0 35 typedef enum {
aoqi@0 36 Alloc,
aoqi@0 37 AllocForce,
aoqi@0 38 Retire,
aoqi@0 39 Reuse,
aoqi@0 40 CSet,
aoqi@0 41 EvacFailure,
aoqi@0 42 Cleanup,
aoqi@0 43 PostCompaction,
aoqi@0 44 Commit,
aoqi@0 45 Uncommit
aoqi@0 46 } ActionType;
aoqi@0 47
aoqi@0 48 typedef enum {
aoqi@0 49 Unset,
aoqi@0 50 Eden,
aoqi@0 51 Survivor,
aoqi@0 52 Old,
aoqi@0 53 SingleHumongous,
aoqi@0 54 StartsHumongous,
aoqi@0 55 ContinuesHumongous
aoqi@0 56 } RegionType;
aoqi@0 57
aoqi@0 58 typedef enum {
aoqi@0 59 StartGC,
aoqi@0 60 EndGC,
aoqi@0 61 StartFullGC,
aoqi@0 62 EndFullGC
aoqi@0 63 } PhaseType;
aoqi@0 64
aoqi@0 65 private:
aoqi@0 66 bool _active;
aoqi@0 67
aoqi@0 68 static const char* action_name(ActionType action);
aoqi@0 69 static const char* region_type_name(RegionType type);
aoqi@0 70 static const char* phase_name(PhaseType phase);
aoqi@0 71
aoqi@0 72 // Print an action event. This version is used in most scenarios and
aoqi@0 73 // only prints the region's bottom. The parameters type and top are
aoqi@0 74 // optional (the "not set" values are Unset and NULL).
aoqi@0 75 static void print(ActionType action, RegionType type,
aoqi@0 76 HeapRegion* hr, HeapWord* top);
aoqi@0 77
aoqi@0 78 // Print an action event. This version prints both the region's
aoqi@0 79 // bottom and end. Used for Commit / Uncommit events.
aoqi@0 80 static void print(ActionType action, HeapWord* bottom, HeapWord* end);
aoqi@0 81
aoqi@0 82 // Print a phase event.
aoqi@0 83 static void print(PhaseType phase, size_t phase_num);
aoqi@0 84
aoqi@0 85 public:
aoqi@0 86 // In some places we iterate over a list in order to generate output
aoqi@0 87 // for the list's elements. By exposing this we can avoid this
aoqi@0 88 // iteration if the printer is not active.
aoqi@0 89 const bool is_active() { return _active; }
aoqi@0 90
aoqi@0 91 // Have to set this explicitly as we have to do this during the
aoqi@0 92 // heap's initialize() method, not in the constructor.
aoqi@0 93 void set_active(bool active) { _active = active; }
aoqi@0 94
aoqi@0 95 // The methods below are convenient wrappers for the print() methods.
aoqi@0 96
aoqi@0 97 void alloc(HeapRegion* hr, RegionType type, bool force = false) {
aoqi@0 98 if (is_active()) {
aoqi@0 99 print((!force) ? Alloc : AllocForce, type, hr, NULL);
aoqi@0 100 }
aoqi@0 101 }
aoqi@0 102
aoqi@0 103 void alloc(RegionType type, HeapRegion* hr, HeapWord* top) {
aoqi@0 104 if (is_active()) {
aoqi@0 105 print(Alloc, type, hr, top);
aoqi@0 106 }
aoqi@0 107 }
aoqi@0 108
aoqi@0 109 void retire(HeapRegion* hr) {
aoqi@0 110 if (is_active()) {
aoqi@0 111 if (!SKIP_RETIRED_FULL_REGIONS || hr->top() < hr->end()) {
aoqi@0 112 print(Retire, Unset, hr, hr->top());
aoqi@0 113 }
aoqi@0 114 }
aoqi@0 115 }
aoqi@0 116
aoqi@0 117 void reuse(HeapRegion* hr) {
aoqi@0 118 if (is_active()) {
aoqi@0 119 print(Reuse, Unset, hr, NULL);
aoqi@0 120 }
aoqi@0 121 }
aoqi@0 122
aoqi@0 123 void cset(HeapRegion* hr) {
aoqi@0 124 if (is_active()) {
aoqi@0 125 print(CSet, Unset, hr, NULL);
aoqi@0 126 }
aoqi@0 127 }
aoqi@0 128
aoqi@0 129 void evac_failure(HeapRegion* hr) {
aoqi@0 130 if (is_active()) {
aoqi@0 131 print(EvacFailure, Unset, hr, NULL);
aoqi@0 132 }
aoqi@0 133 }
aoqi@0 134
aoqi@0 135 void cleanup(HeapRegion* hr) {
aoqi@0 136 if (is_active()) {
aoqi@0 137 print(Cleanup, Unset, hr, NULL);
aoqi@0 138 }
aoqi@0 139 }
aoqi@0 140
aoqi@0 141 void post_compaction(HeapRegion* hr, RegionType type) {
aoqi@0 142 if (is_active()) {
aoqi@0 143 print(PostCompaction, type, hr, hr->top());
aoqi@0 144 }
aoqi@0 145 }
aoqi@0 146
aoqi@0 147 void commit(HeapWord* bottom, HeapWord* end) {
aoqi@0 148 if (is_active()) {
aoqi@0 149 print(Commit, bottom, end);
aoqi@0 150 }
aoqi@0 151 }
aoqi@0 152
aoqi@0 153 void uncommit(HeapWord* bottom, HeapWord* end) {
aoqi@0 154 if (is_active()) {
aoqi@0 155 print(Uncommit, bottom, end);
aoqi@0 156 }
aoqi@0 157 }
aoqi@0 158
aoqi@0 159 void start_gc(bool full, size_t gc_num) {
aoqi@0 160 if (is_active()) {
aoqi@0 161 if (!full) {
aoqi@0 162 print(StartGC, gc_num);
aoqi@0 163 } else {
aoqi@0 164 print(StartFullGC, gc_num);
aoqi@0 165 }
aoqi@0 166 }
aoqi@0 167 }
aoqi@0 168
aoqi@0 169 void end_gc(bool full, size_t gc_num) {
aoqi@0 170 if (is_active()) {
aoqi@0 171 if (!full) {
aoqi@0 172 print(EndGC, gc_num);
aoqi@0 173 } else {
aoqi@0 174 print(EndFullGC, gc_num);
aoqi@0 175 }
aoqi@0 176 }
aoqi@0 177 }
aoqi@0 178
aoqi@0 179 G1HRPrinter() : _active(false) { }
aoqi@0 180 };
aoqi@0 181
aoqi@0 182 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1HRPRINTER_HPP

mercurial