src/hotspot/share/gc/parallel/gcAdaptivePolicyCounters.hpp
changeset 47216 71c04702a3d5
parent 30764 fec48bf5a827
child 53244 9807daeb47c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/parallel/gcAdaptivePolicyCounters.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,233 @@
+/*
+ * Copyright (c) 2004, 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP
+#define SHARE_VM_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP
+
+#include "gc/shared/adaptiveSizePolicy.hpp"
+#include "gc/shared/gcPolicyCounters.hpp"
+#include "utilities/macros.hpp"
+
+// 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_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP