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