/*

 * Copyright (c) 2014, 2018, 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/shared/stringdedup/stringDedupStat.hpp"

#include "logging/log.hpp"

StringDedupStat::StringDedupStat() :

  _inspected(0),

  _skipped(0),

  _hashed(0),

  _known(0),

  _new(0),

  _new_bytes(0),

  _deduped(0),

  _deduped_bytes(0),

  _idle(0),

  _exec(0),

  _block(0),

  _start_concurrent(0.0),

  _end_concurrent(0.0),

  _start_phase(0.0),

  _idle_elapsed(0.0),

  _exec_elapsed(0.0),

  _block_elapsed(0.0) {

}

void StringDedupStat::add(const StringDedupStat* const 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;

  _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 StringDedupStat::print_start(const StringDedupStat* last_stat) {

  log_info(gc, stringdedup)(

     "Concurrent String Deduplication (" STRDEDUP_TIME_FORMAT ")",

     STRDEDUP_TIME_PARAM(last_stat->_start_concurrent));

}

void StringDedupStat::print_end(const StringDedupStat* last_stat, const StringDedupStat* total_stat) {

  double total_deduped_bytes_percent = 0.0;

  if (total_stat->_new_bytes > 0) {

    // Avoid division by zero

    total_deduped_bytes_percent = percent_of(total_stat->_deduped_bytes, total_stat->_new_bytes);

  }

  log_info(gc, stringdedup)(

    "Concurrent String Deduplication "

    STRDEDUP_BYTES_FORMAT_NS "->" STRDEDUP_BYTES_FORMAT_NS "(" STRDEDUP_BYTES_FORMAT_NS ") "

    "avg " STRDEDUP_PERCENT_FORMAT_NS " "

    "(" STRDEDUP_TIME_FORMAT ", " STRDEDUP_TIME_FORMAT ") " STRDEDUP_TIME_FORMAT_MS,

    STRDEDUP_BYTES_PARAM(last_stat->_new_bytes),

    STRDEDUP_BYTES_PARAM(last_stat->_new_bytes - last_stat->_deduped_bytes),

    STRDEDUP_BYTES_PARAM(last_stat->_deduped_bytes),

    total_deduped_bytes_percent,

    STRDEDUP_TIME_PARAM(last_stat->_start_concurrent),

    STRDEDUP_TIME_PARAM(last_stat->_end_concurrent),

    STRDEDUP_TIME_PARAM_MS(last_stat->_exec_elapsed));

}

void StringDedupStat::reset() {

  _inspected = 0;

  _skipped = 0;

  _hashed = 0;

  _known = 0;

  _new = 0;

  _new_bytes = 0;

  _deduped = 0;

  _deduped_bytes = 0;

  _idle = 0;

  _exec = 0;

  _block = 0;

  _start_concurrent = 0.0;

  _end_concurrent = 0.0;

  _start_phase = 0.0;

  _idle_elapsed = 0.0;

  _exec_elapsed = 0.0;

  _block_elapsed = 0.0;

}

void StringDedupStat::print_statistics(bool total) const {

  double skipped_percent             = percent_of(_skipped, _inspected);

  double hashed_percent              = percent_of(_hashed, _inspected);

  double known_percent               = percent_of(_known, _inspected);

  double new_percent                 = percent_of(_new, _inspected);

  double deduped_percent             = percent_of(_deduped, _new);

  double deduped_bytes_percent       = percent_of(_deduped_bytes, _new_bytes);

/*

  double deduped_young_percent       = percent_of(stat._deduped_young, stat._deduped);

  double deduped_young_bytes_percent = percent_of(stat._deduped_young_bytes, stat._deduped_bytes);

  double deduped_old_percent         = percent_of(stat._deduped_old, stat._deduped);

  double deduped_old_bytes_percent   = percent_of(stat._deduped_old_bytes, stat._deduped_bytes);

*/

  if (total) {

    log_debug(gc, stringdedup)(

      "  Total Exec: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS

      ", Idle: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS

      ", Blocked: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS,

      _exec, STRDEDUP_TIME_PARAM_MS(_exec_elapsed),

      _idle, STRDEDUP_TIME_PARAM_MS(_idle_elapsed),

      _block, STRDEDUP_TIME_PARAM_MS(_block_elapsed));

  } else {

    log_debug(gc, stringdedup)(

      "  Last Exec: " STRDEDUP_TIME_FORMAT_MS

      ", Idle: " STRDEDUP_TIME_FORMAT_MS

      ", Blocked: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS,

      STRDEDUP_TIME_PARAM_MS(_exec_elapsed),

      STRDEDUP_TIME_PARAM_MS(_idle_elapsed),

      _block, STRDEDUP_TIME_PARAM_MS(_block_elapsed));

  }

  log_debug(gc, stringdedup)("    Inspected:    " STRDEDUP_OBJECTS_FORMAT, _inspected);

  log_debug(gc, stringdedup)("      Skipped:    " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _skipped, skipped_percent);

  log_debug(gc, stringdedup)("      Hashed:     " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _hashed, hashed_percent);

  log_debug(gc, stringdedup)("      Known:      " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _known, known_percent);

  log_debug(gc, stringdedup)("      New:        " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT,

                             _new, new_percent, STRDEDUP_BYTES_PARAM(_new_bytes));

  log_debug(gc, stringdedup)("    Deduplicated: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",

                             _deduped, deduped_percent, STRDEDUP_BYTES_PARAM(_deduped_bytes), deduped_bytes_percent);

}