tschatzl@5204: /*
tschatzl@5204:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
tschatzl@5204:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
tschatzl@5204:  *
tschatzl@5204:  * This code is free software; you can redistribute it and/or modify it
tschatzl@5204:  * under the terms of the GNU General Public License version 2 only, as
tschatzl@5204:  * published by the Free Software Foundation.
tschatzl@5204:  *
tschatzl@5204:  * This code is distributed in the hope that it will be useful, but WITHOUT
tschatzl@5204:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
tschatzl@5204:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
tschatzl@5204:  * version 2 for more details (a copy is included in the LICENSE file that
tschatzl@5204:  * accompanied this code).
tschatzl@5204:  *
tschatzl@5204:  * You should have received a copy of the GNU General Public License version
tschatzl@5204:  * 2 along with this work; if not, write to the Free Software Foundation,
tschatzl@5204:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
tschatzl@5204:  *
tschatzl@5204:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
tschatzl@5204:  * or visit www.oracle.com if you need additional information or have any
tschatzl@5204:  * questions.
tschatzl@5204:  *
tschatzl@5204:  */
tschatzl@5204: 
tschatzl@5204: #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSETSUMMARY_HPP
tschatzl@5204: #define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSETSUMMARY_HPP
tschatzl@5204: 
tschatzl@5204: #include "utilities/ostream.hpp"
tschatzl@5204: 
tschatzl@5204: class G1RemSet;
tschatzl@5204: 
tschatzl@5204: // A G1RemSetSummary manages statistical information about the G1RemSet
tschatzl@5204: 
tschatzl@5204: class G1RemSetSummary VALUE_OBJ_CLASS_SPEC {
tschatzl@5204: private:
tschatzl@5204:   friend class GetRSThreadVTimeClosure;
tschatzl@5204: 
tschatzl@5204:   G1RemSet* _remset;
tschatzl@5204: 
tschatzl@5204:   G1RemSet* remset() const {
tschatzl@5204:     return _remset;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t _num_refined_cards;
tschatzl@5204:   size_t _num_processed_buf_mutator;
tschatzl@5204:   size_t _num_processed_buf_rs_threads;
tschatzl@5204: 
tschatzl@5204:   size_t _num_coarsenings;
tschatzl@5204: 
tschatzl@5204:   double* _rs_threads_vtimes;
tschatzl@5204:   size_t _num_vtimes;
tschatzl@5204: 
tschatzl@5204:   double _sampling_thread_vtime;
tschatzl@5204: 
tschatzl@5204:   void set_rs_thread_vtime(uint thread, double value);
tschatzl@5204:   void set_sampling_thread_vtime(double value) {
tschatzl@5204:     _sampling_thread_vtime = value;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   void free_and_null() {
tschatzl@5204:     if (_rs_threads_vtimes) {
tschatzl@5204:       FREE_C_HEAP_ARRAY(double, _rs_threads_vtimes, mtGC);
tschatzl@5204:       _rs_threads_vtimes = NULL;
tschatzl@5204:       _num_vtimes = 0;
tschatzl@5204:     }
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   // update this summary with current data from various places
tschatzl@5204:   void update();
tschatzl@5204: 
tschatzl@5204: public:
tschatzl@5204:   G1RemSetSummary() : _remset(NULL), _num_refined_cards(0),
tschatzl@5204:     _num_processed_buf_mutator(0), _num_processed_buf_rs_threads(0), _num_coarsenings(0),
tschatzl@5204:     _rs_threads_vtimes(NULL), _num_vtimes(0), _sampling_thread_vtime(0.0f) {
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   ~G1RemSetSummary() {
tschatzl@5204:     free_and_null();
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   // set the counters in this summary to the values of the others
tschatzl@5204:   void set(G1RemSetSummary* other);
tschatzl@5204:   // subtract all counters from the other summary, and set them in the current
tschatzl@5204:   void subtract_from(G1RemSetSummary* other);
tschatzl@5204: 
tschatzl@5204:   // initialize and get the first sampling
tschatzl@5812:   void initialize(G1RemSet* remset);
tschatzl@5204: 
tschatzl@5204:   void print_on(outputStream* out);
tschatzl@5204: 
tschatzl@5204:   double rs_thread_vtime(uint thread) const;
tschatzl@5204: 
tschatzl@5204:   double sampling_thread_vtime() const {
tschatzl@5204:     return _sampling_thread_vtime;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t num_concurrent_refined_cards() const {
tschatzl@5204:     return _num_refined_cards;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t num_processed_buf_mutator() const {
tschatzl@5204:     return _num_processed_buf_mutator;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t num_processed_buf_rs_threads() const {
tschatzl@5204:     return _num_processed_buf_rs_threads;
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t num_processed_buf_total() const {
tschatzl@5204:     return num_processed_buf_mutator() + num_processed_buf_rs_threads();
tschatzl@5204:   }
tschatzl@5204: 
tschatzl@5204:   size_t num_coarsenings() const {
tschatzl@5204:     return _num_coarsenings;
tschatzl@5204:   }
tschatzl@5204: };
tschatzl@5204: 
tschatzl@5204: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSETSUMMARY_HPP