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 /*

  * Copyright (c) 2004, 2010, 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.

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  */

 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP

 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP

 #include "utilities/macros.hpp"

 #if INCLUDE_ALL_GCS

 #include "gc_implementation/shared/adaptiveSizePolicy.hpp"

 #include "gc_implementation/shared/gcPolicyCounters.hpp"

 #endif // INCLUDE_ALL_GCS

 // This class keeps statistical information and computes the

 // size of the heap.

 class GCAdaptivePolicyCounters : public GCPolicyCounters {

  protected:

   PerfVariable*         _eden_size_counter;

   PerfVariable*         _promo_size_counter;

   PerfVariable*         _young_capacity_counter;

   PerfVariable*         _minor_gc_cost_counter;

   PerfVariable*         _major_gc_cost_counter;

   PerfVariable*         _mutator_cost_counter;

   PerfVariable*         _avg_young_live_counter;

   PerfVariable*         _avg_old_live_counter;

   PerfVariable*         _avg_minor_pause_counter;

   PerfVariable*         _avg_minor_interval_counter;

 #ifdef NOT_PRODUCT

   PerfVariable*         _minor_pause_counter;

 #endif

   PerfVariable*         _change_young_gen_for_min_pauses_counter;

   PerfVariable*         _change_young_gen_for_throughput_counter;

   PerfVariable*         _change_old_gen_for_maj_pauses_counter;

   PerfVariable*         _change_old_gen_for_throughput_counter;

   PerfVariable*         _decrease_for_footprint_counter;

   PerfVariable*         _minor_pause_young_slope_counter;

   PerfVariable*         _major_pause_old_slope_counter;

   PerfVariable*         _decide_at_full_gc_counter;

   PerfVariable*         _survived_counter;

   PerfVariable*         _promoted_counter;

   PerfVariable*         _avg_survived_avg_counter;

   PerfVariable*         _avg_survived_dev_counter;

   PerfVariable*         _avg_survived_padded_avg_counter;

   PerfVariable*         _survivor_overflowed_counter;

   PerfVariable*         _increment_tenuring_threshold_for_gc_cost_counter;

   PerfVariable*         _decrement_tenuring_threshold_for_gc_cost_counter;

   PerfVariable*        _decrement_tenuring_threshold_for_survivor_limit_counter;

   PerfVariable*         _minor_collection_slope_counter;

   PerfVariable*         _major_collection_slope_counter;

   AdaptiveSizePolicy* _size_policy;

   inline void update_eden_size() {

     size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes();

     _eden_size_counter->set_value(eden_size_in_bytes);

   }

   inline void update_promo_size() {

     _promo_size_counter->set_value(

       size_policy()->calculated_promo_size_in_bytes());

   }

   inline void update_avg_minor_pause_counter() {

     _avg_minor_pause_counter->set_value((jlong)

       (size_policy()->avg_minor_pause()->average() * 1000.0));

   }

   inline void update_avg_minor_interval_counter() {

     _avg_minor_interval_counter->set_value((jlong)

       (size_policy()->avg_minor_interval()->average() * 1000.0));

   }

 #ifdef NOT_PRODUCT

   inline void update_minor_pause_counter() {

     _minor_pause_counter->set_value((jlong)

       (size_policy()->avg_minor_pause()->last_sample() * 1000.0));

   }

 #endif

   inline void update_minor_gc_cost_counter() {

     _minor_gc_cost_counter->set_value((jlong)

       (size_policy()->minor_gc_cost() * 100.0));

   }

   inline void update_avg_young_live_counter() {

     _avg_young_live_counter->set_value(

       (jlong)(size_policy()->avg_young_live()->average())

     );

   }

   inline void update_avg_survived_avg_counters() {

     _avg_survived_avg_counter->set_value(

       (jlong)(size_policy()->_avg_survived->average())

     );

   }

   inline void update_avg_survived_dev_counters() {

     _avg_survived_dev_counter->set_value(

       (jlong)(size_policy()->_avg_survived->deviation())

     );

   }

   inline void update_avg_survived_padded_avg_counters() {

     _avg_survived_padded_avg_counter->set_value(

       (jlong)(size_policy()->_avg_survived->padded_average())

     );

   }

   inline void update_change_old_gen_for_throughput() {

     _change_old_gen_for_throughput_counter->set_value(

       size_policy()->change_old_gen_for_throughput());

   }

   inline void update_change_young_gen_for_throughput() {

     _change_young_gen_for_throughput_counter->set_value(

       size_policy()->change_young_gen_for_throughput());

   }

   inline void update_decrease_for_footprint() {

     _decrease_for_footprint_counter->set_value(

       size_policy()->decrease_for_footprint());

   }

   inline void update_decide_at_full_gc_counter() {

     _decide_at_full_gc_counter->set_value(

       size_policy()->decide_at_full_gc());

   }

   inline void update_minor_pause_young_slope_counter() {

     _minor_pause_young_slope_counter->set_value(

       (jlong)(size_policy()->minor_pause_young_slope() * 1000)

     );

   }

   virtual void update_counters_from_policy();

  protected:

   virtual AdaptiveSizePolicy* size_policy() { return _size_policy; }

  public:

   GCAdaptivePolicyCounters(const char* name,

                            int collectors,

                            int generations,

                            AdaptiveSizePolicy* size_policy);

   inline void update_survived(size_t survived) {

     _survived_counter->set_value(survived);

   }

   inline void update_promoted(size_t promoted) {

     _promoted_counter->set_value(promoted);

   }

   inline void update_young_capacity(size_t size_in_bytes) {

     _young_capacity_counter->set_value(size_in_bytes);

   }

   virtual void update_counters();

   inline void update_survivor_size_counters() {

     desired_survivor_size()->set_value(

       size_policy()->calculated_survivor_size_in_bytes());

   }

   inline void update_survivor_overflowed(bool survivor_overflowed) {

     _survivor_overflowed_counter->set_value(survivor_overflowed);

   }

   inline void update_tenuring_threshold(uint threshold) {

     tenuring_threshold()->set_value(threshold);

   }

   inline void update_increment_tenuring_threshold_for_gc_cost() {

     _increment_tenuring_threshold_for_gc_cost_counter->set_value(

       size_policy()->increment_tenuring_threshold_for_gc_cost());

   }

   inline void update_decrement_tenuring_threshold_for_gc_cost() {

     _decrement_tenuring_threshold_for_gc_cost_counter->set_value(

       size_policy()->decrement_tenuring_threshold_for_gc_cost());

   }

   inline void update_decrement_tenuring_threshold_for_survivor_limit() {

     _decrement_tenuring_threshold_for_survivor_limit_counter->set_value(

       size_policy()->decrement_tenuring_threshold_for_survivor_limit());

   }

   inline void update_change_young_gen_for_min_pauses() {

     _change_young_gen_for_min_pauses_counter->set_value(

       size_policy()->change_young_gen_for_min_pauses());

   }

   inline void update_change_old_gen_for_maj_pauses() {

     _change_old_gen_for_maj_pauses_counter->set_value(

       size_policy()->change_old_gen_for_maj_pauses());

   }

   inline void update_minor_collection_slope_counter() {

     _minor_collection_slope_counter->set_value(

       (jlong)(size_policy()->minor_collection_slope() * 1000)

     );

   }

   inline void update_major_collection_slope_counter() {

     _major_collection_slope_counter->set_value(

       (jlong)(size_policy()->major_collection_slope() * 1000)

     );

   }

   void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; }

   virtual GCPolicyCounters::Name kind() const {

     return GCPolicyCounters::GCAdaptivePolicyCountersKind;

   }

 };

 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP