src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.hpp

Sat, 27 Sep 2008 00:33:13 -0700

author
iveresov
date
Sat, 27 Sep 2008 00:33:13 -0700
changeset 808
06df86c2ec37
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6740923: NUMA allocator: Ensure the progress of adaptive chunk resizing
Summary: Treat a chuck where the allocation has failed as fully used.
Reviewed-by: ysr

     1 /*
     2  * Copyright 2004-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 // This class keeps statistical information and computes the
    26 // size of the heap.
    28 class GCAdaptivePolicyCounters : public GCPolicyCounters {
    29  protected:
    30   PerfVariable*         _eden_size_counter;
    31   PerfVariable*         _promo_size_counter;
    33   PerfVariable*         _young_capacity_counter;
    35   PerfVariable*         _minor_gc_cost_counter;
    36   PerfVariable*         _major_gc_cost_counter;
    37   PerfVariable*         _mutator_cost_counter;
    39   PerfVariable*         _avg_young_live_counter;
    40   PerfVariable*         _avg_old_live_counter;
    42   PerfVariable*         _avg_minor_pause_counter;
    43   PerfVariable*         _avg_minor_interval_counter;
    45 #ifdef NOT_PRODUCT
    46   PerfVariable*         _minor_pause_counter;
    47 #endif
    49   PerfVariable*         _change_young_gen_for_min_pauses_counter;
    50   PerfVariable*         _change_young_gen_for_throughput_counter;
    51   PerfVariable*         _change_old_gen_for_maj_pauses_counter;
    52   PerfVariable*         _change_old_gen_for_throughput_counter;
    53   PerfVariable*         _decrease_for_footprint_counter;
    55   PerfVariable*         _minor_pause_young_slope_counter;
    56   PerfVariable*         _major_pause_old_slope_counter;
    58   PerfVariable*         _decide_at_full_gc_counter;
    60   PerfVariable*         _survived_counter;
    61   PerfVariable*         _promoted_counter;
    63   PerfVariable*         _avg_survived_avg_counter;
    64   PerfVariable*         _avg_survived_dev_counter;
    65   PerfVariable*         _avg_survived_padded_avg_counter;
    67   PerfVariable*         _survivor_overflowed_counter;
    68   PerfVariable*         _increment_tenuring_threshold_for_gc_cost_counter;
    69   PerfVariable*         _decrement_tenuring_threshold_for_gc_cost_counter;
    70   PerfVariable*        _decrement_tenuring_threshold_for_survivor_limit_counter;
    72   PerfVariable*         _minor_collection_slope_counter;
    73   PerfVariable*         _major_collection_slope_counter;
    75   AdaptiveSizePolicy* _size_policy;
    77   inline void update_eden_size() {
    78     size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes();
    79     _eden_size_counter->set_value(eden_size_in_bytes);
    80   }
    82   inline void update_promo_size() {
    83     _promo_size_counter->set_value(
    84       size_policy()->calculated_promo_size_in_bytes());
    85   }
    87   inline void update_avg_minor_pause_counter() {
    88     _avg_minor_pause_counter->set_value((jlong)
    89       (size_policy()->avg_minor_pause()->average() * 1000.0));
    90   }
    91   inline void update_avg_minor_interval_counter() {
    92     _avg_minor_interval_counter->set_value((jlong)
    93       (size_policy()->avg_minor_interval()->average() * 1000.0));
    94   }
    96 #ifdef NOT_PRODUCT
    97   inline void update_minor_pause_counter() {
    98     _minor_pause_counter->set_value((jlong)
    99       (size_policy()->avg_minor_pause()->last_sample() * 1000.0));
   100   }
   101 #endif
   102   inline void update_minor_gc_cost_counter() {
   103     _minor_gc_cost_counter->set_value((jlong)
   104       (size_policy()->minor_gc_cost() * 100.0));
   105   }
   107   inline void update_avg_young_live_counter() {
   108     _avg_young_live_counter->set_value(
   109       (jlong)(size_policy()->avg_young_live()->average())
   110     );
   111   }
   113   inline void update_avg_survived_avg_counters() {
   114     _avg_survived_avg_counter->set_value(
   115       (jlong)(size_policy()->_avg_survived->average())
   116     );
   117   }
   118   inline void update_avg_survived_dev_counters() {
   119     _avg_survived_dev_counter->set_value(
   120       (jlong)(size_policy()->_avg_survived->deviation())
   121     );
   122   }
   123   inline void update_avg_survived_padded_avg_counters() {
   124     _avg_survived_padded_avg_counter->set_value(
   125       (jlong)(size_policy()->_avg_survived->padded_average())
   126     );
   127   }
   129   inline void update_change_old_gen_for_throughput() {
   130     _change_old_gen_for_throughput_counter->set_value(
   131       size_policy()->change_old_gen_for_throughput());
   132   }
   133   inline void update_change_young_gen_for_throughput() {
   134     _change_young_gen_for_throughput_counter->set_value(
   135       size_policy()->change_young_gen_for_throughput());
   136   }
   137   inline void update_decrease_for_footprint() {
   138     _decrease_for_footprint_counter->set_value(
   139       size_policy()->decrease_for_footprint());
   140   }
   142   inline void update_decide_at_full_gc_counter() {
   143     _decide_at_full_gc_counter->set_value(
   144       size_policy()->decide_at_full_gc());
   145   }
   147   inline void update_minor_pause_young_slope_counter() {
   148     _minor_pause_young_slope_counter->set_value(
   149       (jlong)(size_policy()->minor_pause_young_slope() * 1000)
   150     );
   151   }
   153   virtual void update_counters_from_policy();
   155  protected:
   156   virtual AdaptiveSizePolicy* size_policy() { return _size_policy; }
   158  public:
   159   GCAdaptivePolicyCounters(const char* name,
   160                            int collectors,
   161                            int generations,
   162                            AdaptiveSizePolicy* size_policy);
   164   inline void update_survived(size_t survived) {
   165     _survived_counter->set_value(survived);
   166   }
   167   inline void update_promoted(size_t promoted) {
   168     _promoted_counter->set_value(promoted);
   169   }
   170   inline void update_young_capacity(size_t size_in_bytes) {
   171     _young_capacity_counter->set_value(size_in_bytes);
   172   }
   174   virtual void update_counters();
   176   inline void update_survivor_size_counters() {
   177     desired_survivor_size()->set_value(
   178       size_policy()->calculated_survivor_size_in_bytes());
   179   }
   180   inline void update_survivor_overflowed(bool survivor_overflowed) {
   181     _survivor_overflowed_counter->set_value(survivor_overflowed);
   182   }
   183   inline void update_tenuring_threshold(int threshold) {
   184     tenuring_threshold()->set_value(threshold);
   185   }
   186   inline void update_increment_tenuring_threshold_for_gc_cost() {
   187     _increment_tenuring_threshold_for_gc_cost_counter->set_value(
   188       size_policy()->increment_tenuring_threshold_for_gc_cost());
   189   }
   190   inline void update_decrement_tenuring_threshold_for_gc_cost() {
   191     _decrement_tenuring_threshold_for_gc_cost_counter->set_value(
   192       size_policy()->decrement_tenuring_threshold_for_gc_cost());
   193   }
   194   inline void update_decrement_tenuring_threshold_for_survivor_limit() {
   195     _decrement_tenuring_threshold_for_survivor_limit_counter->set_value(
   196       size_policy()->decrement_tenuring_threshold_for_survivor_limit());
   197   }
   198   inline void update_change_young_gen_for_min_pauses() {
   199     _change_young_gen_for_min_pauses_counter->set_value(
   200       size_policy()->change_young_gen_for_min_pauses());
   201   }
   202   inline void update_change_old_gen_for_maj_pauses() {
   203     _change_old_gen_for_maj_pauses_counter->set_value(
   204       size_policy()->change_old_gen_for_maj_pauses());
   205   }
   207   inline void update_minor_collection_slope_counter() {
   208     _minor_collection_slope_counter->set_value(
   209       (jlong)(size_policy()->minor_collection_slope() * 1000)
   210     );
   211   }
   213   inline void update_major_collection_slope_counter() {
   214     _major_collection_slope_counter->set_value(
   215       (jlong)(size_policy()->major_collection_slope() * 1000)
   216     );
   217   }
   219   void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; }
   221   virtual GCPolicyCounters::Name kind() const {
   222     return GCPolicyCounters::GCAdaptivePolicyCountersKind;
   223   }
   224 };

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