4a4c0fce93
Implementation of JEP 192, http://openjdk.java.net/jeps/192 Reviewed-by: brutisso, tschatzl, coleenp
143 lines
3.7 KiB
C++
143 lines
3.7 KiB
C++
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
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#include "memory/allocation.hpp"
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#include "runtime/os.hpp"
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// Macros for GC log output formating
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#define G1_STRDEDUP_OBJECTS_FORMAT UINTX_FORMAT_W(12)
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#define G1_STRDEDUP_TIME_FORMAT "%1.7lf secs"
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#define G1_STRDEDUP_PERCENT_FORMAT "%5.1lf%%"
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#define G1_STRDEDUP_PERCENT_FORMAT_NS "%.1lf%%"
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#define G1_STRDEDUP_BYTES_FORMAT "%8.1lf%s"
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#define G1_STRDEDUP_BYTES_FORMAT_NS "%.1lf%s"
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#define G1_STRDEDUP_BYTES_PARAM(bytes) byte_size_in_proper_unit((double)(bytes)), proper_unit_for_byte_size((bytes))
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//
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// Statistics gathered by the deduplication thread.
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//
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class G1StringDedupStat : public StackObj {
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private:
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// Counters
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uintx _inspected;
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uintx _skipped;
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uintx _hashed;
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uintx _known;
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uintx _new;
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uintx _new_bytes;
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uintx _deduped;
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uintx _deduped_bytes;
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uintx _deduped_young;
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uintx _deduped_young_bytes;
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uintx _deduped_old;
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uintx _deduped_old_bytes;
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uintx _idle;
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uintx _exec;
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uintx _block;
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// Time spent by the deduplication thread in different phases
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double _start;
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double _idle_elapsed;
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double _exec_elapsed;
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double _block_elapsed;
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public:
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G1StringDedupStat();
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void inc_inspected() {
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_inspected++;
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}
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void inc_skipped() {
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_skipped++;
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}
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void inc_hashed() {
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_hashed++;
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}
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void inc_known() {
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_known++;
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}
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void inc_new(uintx bytes) {
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_new++;
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_new_bytes += bytes;
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}
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void inc_deduped_young(uintx bytes) {
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_deduped++;
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_deduped_bytes += bytes;
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_deduped_young++;
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_deduped_young_bytes += bytes;
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}
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void inc_deduped_old(uintx bytes) {
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_deduped++;
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_deduped_bytes += bytes;
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_deduped_old++;
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_deduped_old_bytes += bytes;
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}
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void mark_idle() {
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_start = os::elapsedTime();
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_idle++;
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}
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void mark_exec() {
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double now = os::elapsedTime();
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_idle_elapsed = now - _start;
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_start = now;
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_exec++;
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}
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void mark_block() {
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double now = os::elapsedTime();
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_exec_elapsed += now - _start;
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_start = now;
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_block++;
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}
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void mark_unblock() {
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double now = os::elapsedTime();
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_block_elapsed += now - _start;
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_start = now;
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}
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void mark_done() {
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double now = os::elapsedTime();
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_exec_elapsed += now - _start;
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}
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void add(const G1StringDedupStat& stat);
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static void print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat);
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static void print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total);
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
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