/*

 * Copyright (c) 2014, 2015, 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/g1/g1StringDedupStat.hpp"

#include "logging/log.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(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;

  }

  log_info(gc, stringdedup)(

    "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(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) {

    log_debug(gc, stringdedup)(

      "   [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 {

    log_debug(gc, stringdedup)(

      "   [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);

  }

  log_debug(gc, stringdedup)("      [Inspected:    " G1_STRDEDUP_OBJECTS_FORMAT "]", stat._inspected);

  log_debug(gc, stringdedup)("         [Skipped:   " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]", stat._skipped, skipped_percent);

  log_debug(gc, stringdedup)("         [Hashed:    " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]", stat._hashed, hashed_percent);

  log_debug(gc, stringdedup)("         [Known:     " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]", stat._known, known_percent);

  log_debug(gc, stringdedup)("         [New:       " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "]",

                             stat._new, new_percent, G1_STRDEDUP_BYTES_PARAM(stat._new_bytes));

  log_debug(gc, stringdedup)("      [Deduplicated: " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]",

                             stat._deduped, deduped_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_bytes), deduped_bytes_percent);

  log_debug(gc, stringdedup)("         [Young:     " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]",

                             stat._deduped_young, deduped_young_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_young_bytes), deduped_young_bytes_percent);

  log_debug(gc, stringdedup)("         [Old:       " G1_STRDEDUP_OBJECTS_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ") " G1_STRDEDUP_BYTES_FORMAT "(" G1_STRDEDUP_PERCENT_FORMAT ")]",

                             stat._deduped_old, deduped_old_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_old_bytes), deduped_old_bytes_percent);

}