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src/hotspot/share/gc/g1/g1StringDedupStat.cpp

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   1 /*
   2  * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"


  26 #include "gc/g1/g1StringDedupStat.hpp"
  27 #include "logging/log.hpp"
  28 
  29 G1StringDedupStat::G1StringDedupStat() :
  30   _inspected(0),
  31   _skipped(0),
  32   _hashed(0),
  33   _known(0),
  34   _new(0),
  35   _new_bytes(0),
  36   _deduped(0),
  37   _deduped_bytes(0),
  38   _deduped_young(0),
  39   _deduped_young_bytes(0),
  40   _deduped_old(0),
  41   _deduped_old_bytes(0),
  42   _idle(0),
  43   _exec(0),
  44   _block(0),
  45   _start_concurrent(0.0),
  46   _end_concurrent(0.0),
  47   _start_phase(0.0),
  48   _idle_elapsed(0.0),
  49   _exec_elapsed(0.0),
  50   _block_elapsed(0.0) {
  51 }
  52 
  53 void G1StringDedupStat::add(const G1StringDedupStat& stat) {
  54   _inspected           += stat._inspected;
  55   _skipped             += stat._skipped;
  56   _hashed              += stat._hashed;
  57   _known               += stat._known;
  58   _new                 += stat._new;
  59   _new_bytes           += stat._new_bytes;
  60   _deduped             += stat._deduped;
  61   _deduped_bytes       += stat._deduped_bytes;
  62   _deduped_young       += stat._deduped_young;
  63   _deduped_young_bytes += stat._deduped_young_bytes;
  64   _deduped_old         += stat._deduped_old;
  65   _deduped_old_bytes   += stat._deduped_old_bytes;
  66   _idle                += stat._idle;
  67   _exec                += stat._exec;
  68   _block               += stat._block;
  69   _idle_elapsed        += stat._idle_elapsed;
  70   _exec_elapsed        += stat._exec_elapsed;
  71   _block_elapsed       += stat._block_elapsed;
  72 }
  73 
  74 void G1StringDedupStat::print_start(const G1StringDedupStat& last_stat) {
  75   log_info(gc, stringdedup)(
  76      "Concurrent String Deduplication (" G1_STRDEDUP_TIME_FORMAT ")",
  77      G1_STRDEDUP_TIME_PARAM(last_stat._start_concurrent));



  78 }
  79 
  80 void G1StringDedupStat::print_end(const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat) {
  81   double total_deduped_bytes_percent = 0.0;
  82 
  83   if (total_stat._new_bytes > 0) {
  84     // Avoid division by zero
  85     total_deduped_bytes_percent = percent_of(total_stat._deduped_bytes, total_stat._new_bytes);
  86   }





  87 
  88   log_info(gc, stringdedup)(
  89     "Concurrent String Deduplication "
  90     G1_STRDEDUP_BYTES_FORMAT_NS "->" G1_STRDEDUP_BYTES_FORMAT_NS "(" G1_STRDEDUP_BYTES_FORMAT_NS ") "
  91     "avg " G1_STRDEDUP_PERCENT_FORMAT_NS " "
  92     "(" G1_STRDEDUP_TIME_FORMAT ", " G1_STRDEDUP_TIME_FORMAT ") " G1_STRDEDUP_TIME_FORMAT_MS,
  93     G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes),
  94     G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes - last_stat._deduped_bytes),
  95     G1_STRDEDUP_BYTES_PARAM(last_stat._deduped_bytes),
  96     total_deduped_bytes_percent,
  97     G1_STRDEDUP_TIME_PARAM(last_stat._start_concurrent),
  98     G1_STRDEDUP_TIME_PARAM(last_stat._end_concurrent),
  99     G1_STRDEDUP_TIME_PARAM_MS(last_stat._exec_elapsed));
 100 }
 101 
 102 void G1StringDedupStat::print_statistics(const G1StringDedupStat& stat, bool total) {
 103   double skipped_percent             = percent_of(stat._skipped, stat._inspected);
 104   double hashed_percent              = percent_of(stat._hashed, stat._inspected);
 105   double known_percent               = percent_of(stat._known, stat._inspected);
 106   double new_percent                 = percent_of(stat._new, stat._inspected);
 107   double deduped_percent             = percent_of(stat._deduped, stat._new);
 108   double deduped_bytes_percent       = percent_of(stat._deduped_bytes, stat._new_bytes);
 109   double deduped_young_percent       = percent_of(stat._deduped_young, stat._deduped);
 110   double deduped_young_bytes_percent = percent_of(stat._deduped_young_bytes, stat._deduped_bytes);
 111   double deduped_old_percent         = percent_of(stat._deduped_old, stat._deduped);
 112   double deduped_old_bytes_percent   = percent_of(stat._deduped_old_bytes, stat._deduped_bytes);
 113 
 114   if (total) {
 115     log_debug(gc, stringdedup)(
 116       "  Total Exec: " UINTX_FORMAT "/" G1_STRDEDUP_TIME_FORMAT_MS
 117       ", Idle: " UINTX_FORMAT "/" G1_STRDEDUP_TIME_FORMAT_MS
 118       ", Blocked: " UINTX_FORMAT "/" G1_STRDEDUP_TIME_FORMAT_MS,
 119       stat._exec, G1_STRDEDUP_TIME_PARAM_MS(stat._exec_elapsed),
 120       stat._idle, G1_STRDEDUP_TIME_PARAM_MS(stat._idle_elapsed),
 121       stat._block, G1_STRDEDUP_TIME_PARAM_MS(stat._block_elapsed));
 122   } else {
 123     log_debug(gc, stringdedup)(
 124       "  Last Exec: " G1_STRDEDUP_TIME_FORMAT_MS
 125       ", Idle: " G1_STRDEDUP_TIME_FORMAT_MS
 126       ", Blocked: " UINTX_FORMAT "/" G1_STRDEDUP_TIME_FORMAT_MS,
 127       G1_STRDEDUP_TIME_PARAM_MS(stat._exec_elapsed),
 128       G1_STRDEDUP_TIME_PARAM_MS(stat._idle_elapsed),
 129       stat._block, G1_STRDEDUP_TIME_PARAM_MS(stat._block_elapsed));
 130   }
 131   log_debug(gc, stringdedup)("    Inspected:    " G1_STRDEDUP_OBJECTS_FORMAT, stat._inspected);
 132   log_debug(gc, stringdedup)("      Skipped:    " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")", stat._skipped, skipped_percent);
 133   log_debug(gc, stringdedup)("      Hashed:     " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")", stat._hashed, hashed_percent);
 134   log_debug(gc, stringdedup)("      Known:      " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")", stat._known, known_percent);
 135   log_debug(gc, stringdedup)("      New:        " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT,
 136                              stat._new, new_percent, G1_STRDEDUP_BYTES_PARAM(stat._new_bytes));
 137   log_debug(gc, stringdedup)("    Deduplicated: " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")",
 138                              stat._deduped, deduped_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_bytes), deduped_bytes_percent);
 139   log_debug(gc, stringdedup)("      Young:      " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")",
 140                              stat._deduped_young, deduped_young_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_young_bytes), deduped_young_bytes_percent);
 141   log_debug(gc, stringdedup)("      Old:        " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")",
 142                              stat._deduped_old, deduped_old_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_old_bytes), deduped_old_bytes_percent);
 143 }
   1 /*
   2  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 
  27 #include "gc/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc/g1/g1StringDedupStat.hpp"
  29 #include "logging/log.hpp"
  30 
  31 G1StringDedupStat::G1StringDedupStat() : StringDedupStat(),








  32   _deduped_young(0),
  33   _deduped_young_bytes(0),
  34   _deduped_old(0),
  35   _deduped_old_bytes(0),
  36   _heap(G1CollectedHeap::heap()) {








  37 }
  38 
  39 
  40 
  41 void G1StringDedupStat::deduped(oop obj, uintx bytes) {
  42   StringDedupStat::deduped(obj, bytes);
  43   if (_heap->is_in_young(obj)) {
  44     _deduped_young ++;
  45     _deduped_young_bytes += bytes;
  46   } else {
  47     _deduped_old ++;
  48     _deduped_old_bytes += bytes;
  49   }








  50 }
  51 
  52 void G1StringDedupStat::add(const StringDedupStat* const stat) {
  53   StringDedupStat::add(stat);
  54   const G1StringDedupStat* const g1_stat = (const G1StringDedupStat* const)stat;
  55   _deduped_young += g1_stat->_deduped_young;
  56   _deduped_young_bytes += g1_stat->_deduped_young_bytes;
  57   _deduped_old += g1_stat->_deduped_old;
  58   _deduped_old_bytes += g1_stat->_deduped_old_bytes;
  59 }
  60 
  61 void G1StringDedupStat::print_statistics(bool total) const {
  62   StringDedupStat::print_statistics(total);
  63 
  64   double deduped_young_percent       = percent_of(_deduped_young, _deduped);
  65   double deduped_young_bytes_percent = percent_of(_deduped_young_bytes, _deduped_bytes);
  66   double deduped_old_percent         = percent_of(_deduped_old, _deduped);
  67   double deduped_old_bytes_percent   = percent_of(_deduped_old_bytes, _deduped_bytes);
  68 
  69   log_debug(gc, stringdedup)("      Young:      " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",
  70                              _deduped_young, deduped_young_percent, STRDEDUP_BYTES_PARAM(_deduped_young_bytes), deduped_young_bytes_percent);
  71   log_debug(gc, stringdedup)("      Old:        " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",
  72                              _deduped_old, deduped_old_percent, STRDEDUP_BYTES_PARAM(_deduped_old_bytes), deduped_old_bytes_percent);
  73 












  74 }
  75 
  76 void G1StringDedupStat::reset() {
  77   StringDedupStat::reset();
  78   _deduped_young = 0;
  79   _deduped_young_bytes = 0;
  80   _deduped_old = 0;
  81   _deduped_old_bytes = 0;



































  82 }
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