1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/g1/g1StringDedupStat.hpp Tue Mar 18 19:07:22 2014 +0100
1.3 @@ -0,0 +1,142 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
1.30 +
1.31 +#include "memory/allocation.hpp"
1.32 +#include "runtime/os.hpp"
1.33 +
1.34 +// Macros for GC log output formating
1.35 +#define G1_STRDEDUP_OBJECTS_FORMAT UINTX_FORMAT_W(12)
1.36 +#define G1_STRDEDUP_TIME_FORMAT "%1.7lf secs"
1.37 +#define G1_STRDEDUP_PERCENT_FORMAT "%5.1lf%%"
1.38 +#define G1_STRDEDUP_PERCENT_FORMAT_NS "%.1lf%%"
1.39 +#define G1_STRDEDUP_BYTES_FORMAT "%8.1lf%s"
1.40 +#define G1_STRDEDUP_BYTES_FORMAT_NS "%.1lf%s"
1.41 +#define G1_STRDEDUP_BYTES_PARAM(bytes) byte_size_in_proper_unit((double)(bytes)), proper_unit_for_byte_size((bytes))
1.42 +
1.43 +//
1.44 +// Statistics gathered by the deduplication thread.
1.45 +//
1.46 +class G1StringDedupStat : public StackObj {
1.47 +private:
1.48 + // Counters
1.49 + uintx _inspected;
1.50 + uintx _skipped;
1.51 + uintx _hashed;
1.52 + uintx _known;
1.53 + uintx _new;
1.54 + uintx _new_bytes;
1.55 + uintx _deduped;
1.56 + uintx _deduped_bytes;
1.57 + uintx _deduped_young;
1.58 + uintx _deduped_young_bytes;
1.59 + uintx _deduped_old;
1.60 + uintx _deduped_old_bytes;
1.61 + uintx _idle;
1.62 + uintx _exec;
1.63 + uintx _block;
1.64 +
1.65 + // Time spent by the deduplication thread in different phases
1.66 + double _start;
1.67 + double _idle_elapsed;
1.68 + double _exec_elapsed;
1.69 + double _block_elapsed;
1.70 +
1.71 +public:
1.72 + G1StringDedupStat();
1.73 +
1.74 + void inc_inspected() {
1.75 + _inspected++;
1.76 + }
1.77 +
1.78 + void inc_skipped() {
1.79 + _skipped++;
1.80 + }
1.81 +
1.82 + void inc_hashed() {
1.83 + _hashed++;
1.84 + }
1.85 +
1.86 + void inc_known() {
1.87 + _known++;
1.88 + }
1.89 +
1.90 + void inc_new(uintx bytes) {
1.91 + _new++;
1.92 + _new_bytes += bytes;
1.93 + }
1.94 +
1.95 + void inc_deduped_young(uintx bytes) {
1.96 + _deduped++;
1.97 + _deduped_bytes += bytes;
1.98 + _deduped_young++;
1.99 + _deduped_young_bytes += bytes;
1.100 + }
1.101 +
1.102 + void inc_deduped_old(uintx bytes) {
1.103 + _deduped++;
1.104 + _deduped_bytes += bytes;
1.105 + _deduped_old++;
1.106 + _deduped_old_bytes += bytes;
1.107 + }
1.108 +
1.109 + void mark_idle() {
1.110 + _start = os::elapsedTime();
1.111 + _idle++;
1.112 + }
1.113 +
1.114 + void mark_exec() {
1.115 + double now = os::elapsedTime();
1.116 + _idle_elapsed = now - _start;
1.117 + _start = now;
1.118 + _exec++;
1.119 + }
1.120 +
1.121 + void mark_block() {
1.122 + double now = os::elapsedTime();
1.123 + _exec_elapsed += now - _start;
1.124 + _start = now;
1.125 + _block++;
1.126 + }
1.127 +
1.128 + void mark_unblock() {
1.129 + double now = os::elapsedTime();
1.130 + _block_elapsed += now - _start;
1.131 + _start = now;
1.132 + }
1.133 +
1.134 + void mark_done() {
1.135 + double now = os::elapsedTime();
1.136 + _exec_elapsed += now - _start;
1.137 + }
1.138 +
1.139 + void add(const G1StringDedupStat& stat);
1.140 +
1.141 + static void print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat);
1.142 + static void print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total);
1.143 +};
1.144 +
1.145 +#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
