/*

 * Copyright (c) 2003, 2019, 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

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 */

#include "precompiled.hpp"

#include "gc/parallel/psGCAdaptivePolicyCounters.hpp"

#include "memory/resourceArea.hpp"

#include "runtime/arguments.hpp"

PSGCAdaptivePolicyCounters::PSGCAdaptivePolicyCounters(const char* name_arg,

                                      int collectors,

                                      int generations,

                                      PSAdaptiveSizePolicy* size_policy_arg)

        : GCAdaptivePolicyCounters(name_arg,

                                   collectors,

                                   generations,

                                   size_policy_arg) {

  if (UsePerfData) {

    EXCEPTION_MARK;

    ResourceMark rm;

    const char* cname;

    cname = PerfDataManager::counter_name(name_space(), "oldPromoSize");

    _old_promo_size = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "oldEdenSize");

    _old_eden_size = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, ps_size_policy()->calculated_eden_size_in_bytes(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "oldCapacity");

    _old_capacity = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, (jlong) InitialHeapSize, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "boundaryMoved");

    _boundary_moved = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgPromotedAvg");

    _avg_promoted_avg_counter =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

        ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgPromotedDev");

    _avg_promoted_dev_counter =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

        (jlong) 0 , CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgPromotedPaddedAvg");

    _avg_promoted_padded_avg_counter =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

        ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);

    cname = PerfDataManager::counter_name(name_space(),

      "avgPretenuredPaddedAvg");

    _avg_pretenured_padded_avg =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

        (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(),

      "changeYoungGenForMajPauses");

    _change_young_gen_for_maj_pauses_counter =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,

        (jlong)0, CHECK);

    cname = PerfDataManager::counter_name(name_space(),

      "changeOldGenForMinPauses");

    _change_old_gen_for_min_pauses =

      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,

        (jlong)0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgMajorPauseTime");

    _avg_major_pause = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_pause->average(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgMajorIntervalTime");

    _avg_major_interval = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_interval->average(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "majorGcCost");

    _major_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,

       PerfData::U_Ticks, (jlong) ps_size_policy()->major_gc_cost(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "liveSpace");

    _live_space = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, ps_size_policy()->live_space(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "freeSpace");

    _free_space = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, ps_size_policy()->free_space(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint");

    _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc");

    _live_at_last_full_gc_counter =

      PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK);

    cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope");

    _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_None, (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "minorPauseOldSlope");

    _minor_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_None, (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "majorPauseYoungSlope");

    _major_pause_young_slope = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_None, (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped");

    _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, (jlong) 0, CHECK);

    cname = PerfDataManager::counter_name(name_space(), "fullFollowsScavenge");

    _full_follows_scavenge = PerfDataManager::create_variable(SUN_GC, cname,

      PerfData::U_Bytes, (jlong) 0, CHECK);

    _counter_time_stamp.update();

  }

  assert(size_policy()->is_gc_ps_adaptive_size_policy(),

    "Wrong type of size policy");

}

void PSGCAdaptivePolicyCounters::update_counters_from_policy() {

  if (UsePerfData) {

    GCAdaptivePolicyCounters::update_counters_from_policy();

    update_eden_size();

    update_promo_size();

    update_avg_old_live();

    update_survivor_size_counters();

    update_avg_promoted_avg();

    update_avg_promoted_dev();

    update_avg_promoted_padded_avg();

    update_avg_pretenured_padded_avg();

    update_avg_major_pause();

    update_avg_major_interval();

    update_minor_gc_cost_counter();

    update_major_gc_cost_counter();

    update_mutator_cost_counter();

    update_decrement_tenuring_threshold_for_gc_cost();

    update_increment_tenuring_threshold_for_gc_cost();

    update_decrement_tenuring_threshold_for_survivor_limit();

    update_live_space();

    update_free_space();

    update_avg_base_footprint();

    update_change_old_gen_for_maj_pauses();

    update_change_young_gen_for_maj_pauses();

    update_change_old_gen_for_min_pauses();

    update_change_old_gen_for_throughput();

    update_change_young_gen_for_throughput();

    update_decrease_for_footprint();

    update_decide_at_full_gc_counter();

    update_major_pause_old_slope();

    update_minor_pause_old_slope();

    update_major_pause_young_slope();

    update_minor_collection_slope_counter();

    update_gc_overhead_limit_exceeded_counter();

    update_live_at_last_full_gc_counter();

  }

}

void PSGCAdaptivePolicyCounters::update_counters() {

  if (UsePerfData) {

    update_counters_from_policy();

  }

}