diff options
Diffstat (limited to 'src/share/vm/gc_implementation/g1/g1StringDedupStat.cpp')
| -rw-r--r-- | src/share/vm/gc_implementation/g1/g1StringDedupStat.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/share/vm/gc_implementation/g1/g1StringDedupStat.cpp b/src/share/vm/gc_implementation/g1/g1StringDedupStat.cpp new file mode 100644 index 000000000..2d5523cce --- /dev/null +++ b/src/share/vm/gc_implementation/g1/g1StringDedupStat.cpp @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/g1/g1StringDedupStat.hpp" + +G1StringDedupStat::G1StringDedupStat() : + _inspected(0), + _skipped(0), + _hashed(0), + _known(0), + _new(0), + _new_bytes(0), + _deduped(0), + _deduped_bytes(0), + _deduped_young(0), + _deduped_young_bytes(0), + _deduped_old(0), + _deduped_old_bytes(0), + _idle(0), + _exec(0), + _block(0), + _start(0.0), + _idle_elapsed(0.0), + _exec_elapsed(0.0), + _block_elapsed(0.0) { +} + +void G1StringDedupStat::add(const G1StringDedupStat& stat) { + _inspected += stat._inspected; + _skipped += stat._skipped; + _hashed += stat._hashed; + _known += stat._known; + _new += stat._new; + _new_bytes += stat._new_bytes; + _deduped += stat._deduped; + _deduped_bytes += stat._deduped_bytes; + _deduped_young += stat._deduped_young; + _deduped_young_bytes += stat._deduped_young_bytes; + _deduped_old += stat._deduped_old; + _deduped_old_bytes += stat._deduped_old_bytes; + _idle += stat._idle; + _exec += stat._exec; + _block += stat._block; + _idle_elapsed += stat._idle_elapsed; + _exec_elapsed += stat._exec_elapsed; + _block_elapsed += stat._block_elapsed; +} + +void G1StringDedupStat::print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat) { + double total_deduped_bytes_percent = 0.0; + + if (total_stat._new_bytes > 0) { + // Avoid division by zero + total_deduped_bytes_percent = (double)total_stat._deduped_bytes / (double)total_stat._new_bytes * 100.0; + } + + st->date_stamp(PrintGCDateStamps); + st->stamp(PrintGCTimeStamps); + st->print_cr( + "[GC concurrent-string-deduplication, " + G1_STRDEDUP_BYTES_FORMAT_NS"->"G1_STRDEDUP_BYTES_FORMAT_NS"("G1_STRDEDUP_BYTES_FORMAT_NS"), avg " + G1_STRDEDUP_PERCENT_FORMAT_NS", "G1_STRDEDUP_TIME_FORMAT"]", + G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes), + G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes - last_stat._deduped_bytes), + G1_STRDEDUP_BYTES_PARAM(last_stat._deduped_bytes), + total_deduped_bytes_percent, + last_stat._exec_elapsed); +} + +void G1StringDedupStat::print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total) { + double young_percent = 0.0; + double old_percent = 0.0; + double skipped_percent = 0.0; + double hashed_percent = 0.0; + double known_percent = 0.0; + double new_percent = 0.0; + double deduped_percent = 0.0; + double deduped_bytes_percent = 0.0; + double deduped_young_percent = 0.0; + double deduped_young_bytes_percent = 0.0; + double deduped_old_percent = 0.0; + double deduped_old_bytes_percent = 0.0; + + if (stat._inspected > 0) { + // Avoid division by zero + skipped_percent = (double)stat._skipped / (double)stat._inspected * 100.0; + hashed_percent = (double)stat._hashed / (double)stat._inspected * 100.0; + known_percent = (double)stat._known / (double)stat._inspected * 100.0; + new_percent = (double)stat._new / (double)stat._inspected * 100.0; + } + + if (stat._new > 0) { + // Avoid division by zero + deduped_percent = (double)stat._deduped / (double)stat._new * 100.0; + } + + if (stat._deduped > 0) { + // Avoid division by zero + deduped_young_percent = (double)stat._deduped_young / (double)stat._deduped * 100.0; + deduped_old_percent = (double)stat._deduped_old / (double)stat._deduped * 100.0; + } + + if (stat._new_bytes > 0) { + // Avoid division by zero + deduped_bytes_percent = (double)stat._deduped_bytes / (double)stat._new_bytes * 100.0; + } + + if (stat._deduped_bytes > 0) { + // Avoid division by zero + deduped_young_bytes_percent = (double)stat._deduped_young_bytes / (double)stat._deduped_bytes * 100.0; + deduped_old_bytes_percent = (double)stat._deduped_old_bytes / (double)stat._deduped_bytes * 100.0; + } + + if (total) { + st->print_cr( + " [Total Exec: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT", Idle: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT", Blocked: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT"]", + stat._exec, stat._exec_elapsed, stat._idle, stat._idle_elapsed, stat._block, stat._block_elapsed); + } else { + st->print_cr( + " [Last Exec: "G1_STRDEDUP_TIME_FORMAT", Idle: "G1_STRDEDUP_TIME_FORMAT", Blocked: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT"]", + stat._exec_elapsed, stat._idle_elapsed, stat._block, stat._block_elapsed); + } + st->print_cr( + " [Inspected: "G1_STRDEDUP_OBJECTS_FORMAT"]\n" + " [Skipped: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n" + " [Hashed: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n" + " [Known: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n" + " [New: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"]\n" + " [Deduplicated: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n" + " [Young: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n" + " [Old: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]", + stat._inspected, + stat._skipped, skipped_percent, + stat._hashed, hashed_percent, + stat._known, known_percent, + stat._new, new_percent, G1_STRDEDUP_BYTES_PARAM(stat._new_bytes), + stat._deduped, deduped_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_bytes), deduped_bytes_percent, + stat._deduped_young, deduped_young_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_young_bytes), deduped_young_bytes_percent, + stat._deduped_old, deduped_old_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_old_bytes), deduped_old_bytes_percent); +} |